Tag: kubernetes

  • How To Implement Chaos Engineering For Microservices Using Istio

    “Embrace Failures. Chaos and failures are your friends, not enemies.” A microservice ecosystem is going to fail at some point. The issue is not if you fail, but when you fail, will you notice or not. It’s between whether it will affect your users because all of your services are down, or it will affect only a few users and you can fix it at your own time.

    Chaos Engineering is a practice to intentionally introduce faults and failures into your microservice architecture to test the resilience and stability of your system. Istio can be a great tool to do so. Let’s have a look at how Istio made it easy.

    For more information on how to setup Istio and what are virtual service and Gateways, please have a look at the following blog, how to setup Istio on GKE.

    Fault Injection With Istio

    Fault injection is a testing method to introduce errors into your microservice architecture to ensure it can withstand the error conditions. Istio lets you injects errors at HTTP layer instead of delaying the packets or killing the pods at network layer. This way, you can generate various types of HTTP error codes and test the reaction of your services under those conditions. 

    Generating HTTP 503 Error

    Here we see that two pods are running two different versions of recommendation service using the recommended tutorial while installing the sample application.

    Currently, the traffic on the recommendation service is automatically load balanced between those two pods.

    kubectl get pods -l app=recommendation
    NAME                                  READY     STATUS    RESTARTS   AGE
    recommendation-v1-798bf87d96-d9d95   2/2       Running   0          1h
    recommendation-v2-7bc4f7f696-d9j2m   2/2       Running   0          1h

    Now let’s apply a fault injection using virtual service which will send 503 HTTP error codes in 30% of the traffic serving the above pods.

    To test whether it is working, check the output from the curl of customer service microservice endpoint. 

    You will find the 503 error on approximately 30% of the request coming to recommendation service.

    To restore normal operation, please delete the above virtual service using:

    kubectl delete -f recommendation-fault.yaml

    Delay

    The most common failure we see in production is not the down service, rather a delay service. To inject network latency as a chaos experiment, you can create another virtual service. Sometimes, it happens that your application doesn’t respond on time and creates chaos in the complete ecosystem. How to simulate that behavior, let’s have a look.

    Now, if you hit the URL of endpoints of the above service in a loop, you will see the delays in some of the requests. 

    Retry‍

    In some of the production services, we expect that instead of failing instantly, it should retry N number of times to get the desired output. If not succeeded, then only a request should be considered as failed.

    For that mechanism, you can insert retries on those services as follows:

    Now any request coming to recommendation will do 3 attempts before considering it as failed.

    Timeout‍

    In the real world, an application faces most failures due to timeouts. It can be because of more load on the application or any other latency in serving the request. Your application should have proper timeouts defined, before declaring any request as “Failed”. You can use Istio to simulate the timeout mechanism and give our application a limited amount of time to respond before giving up.

    Wait only for N seconds before failing and giving up.

    kind: VirtualService
    metadata:
      name: recommendation
    spec:
      hosts:
      - recommendation
      http:
      - route:
        - destination:
            host: recommendation
        timeout: 1.000s

    Conclusion‍

    Istio lets you inject faults at the HTTP layer for your application and improves its resilience and stability. But, the application must handle the failures and take appropriate course of action. Chaos Engineering is only effective when you know your application can take failures, otherwise, there is no point in testing for chaos if you know your application is definitely broken.

  • Jenkins X – A Cloud-native Approach to CI/CD

    Jenkins X is a project which rethinks how developers should interact with CI/CD in the cloud with a focus on making development teams productive through automation, tooling and DevOps best practices.

    The difference between Jenkins X and Jenkins

    Jenkins is a tool which was developed long before cloud become the norm and it’s definitely not a cloud-native tool, meaning it doesn’t have out of the box capability to survive outages, seamless scaling, etc.

    Basically, Jenkins X is not just a CI/CD tool to run builds and deployments, it automates the whole development process end to end for containerised applications based on Docker and Kubernetes. 

    With Jenkins X, you get not only Kubernetes pipelines for your apps but also a very scalable CI/CD solution.

    Challenges while setting up CI/CD pipelines for container-based applications:

    • Setup the cloud environment
    • Setup kubernetes cluster and set up multiple environments like development, staging, testing
    • Migrate application to the container so that user can start building docker images
    • Figure out how to deploy the application on Kubernetes and generate some yml and helm charts
    • Figure out how to do continuous delivery including promotion processes – eg Promote versions of the application from testing to staging to production.
    • Store all operational configurations like web application source code on the GitHub repository.
    • Then automate everything

    So all this stuff which developers have to do is kind of unnecessary heavy lifting. Jenkins X is designed to get the above stuff done and focus on delivering actual value to customers.

    How does Jenkins X help?

    • Automate the installation, configuration & upgrade of Jenkins + other s/w components (helm, nexus etc) on Kubernetes
    • Automate CI/CD for your applications on Kubernetes
    • Docker images
    • Helm charts
    • Pipelines
    • Uses GitOps to manage promotions between environments
    • Test – Staging – Promotion
    • Lots of feedback. Eg. commenting on issues as they hit Staging + Production

    What does Jenkins X do?

    By using Jenkins X, the developer can type one command jx create or jx import and the following process : get the source code, the git repository and application created, automatically built and deployed to Kubernetes on each Pull Request or git push with full CI/CD complete with Environments and Promotion.

    Developers and teams don’t have to spend time figuring out how to package software as docker images, create the Kubernetes YAML to run their application on kubernetes, create Preview environments or even learn how to implement CI/CD pipelines with declarative pipeline-as-code Jenkinsfiles. It’s all automated in Jenkins X.

    If you want to see Dockerfile, Jenkinsfile or Helm charts for your apps or their environments then those are all available versioned in Git with the rest of your source code with full CI/CD on it all.

    Jenkins X conceptual model

    Automated CI/CD Pipelines

    Create new projects or import existing source code quickly into Jenkins X via the jx command line tool and:

    • Get a Pipeline automatically set up for you that implements best practice CI/CD features:
    • Creates a Jenkinsfile for defining the CI/CD pipelines through declarative pipeline-as-code
    • Creates a Docker file for packaging the application up as an immutable container image (for applications which generate images)
    • Creates a Helm chart for deploying and running your application on Kubernetes
    • Ensures your code is in a git repository (e.g. GitHub) with the necessary webhooks to trigger the Jenkins CI/CD pipelines on push events
    • Triggers the first release pipeline to promote your application to your teams Staging Environment

    On each Pull Request, a CI pipeline is triggered to build your application and run all the tests ensuring you keep the master branch in a ready to release state. When a Pull Request is merged to the master branch the Release pipeline is triggered to create a new release:

    • A new semantic version number is generated
    • The source code is modified for the new version and then tagged in Git
    • New versioned artifacts are published including docker image, helm chart, and any language-specific artifacts

    Jenkins X functionality

    JX is a command line tool for installing and using Jenkins X. Check out how to install jx. To create a new Kubernetes cluster with Jenkins X installed use the jx create cluster command. The command initialises Pods with the following applications in jx namespace of Kubernetes:

    • Chartmuseum (Open-source Helm Chart repository)
    • Docker registry (Docker image storage)
    • Jenkins (Automation server)
    • MongoDB (NoSQL Database)
    • Nexus repository (Artifact storage)

    Let’s have a look at how the JX processes correlate to Git actions. For simplicity, let’s use only master and one feature branch. The table below details the steps of the flow.

    Prerequisites for setting up Kubernetes + Jenkins X using GKE

    Note: Following steps are for Ubuntu 16.04

    • Install Git and set your account’s default identity using Git config
    • Install gcloud – Google Cloud Platform’s CLI tool
    • Install kubectl – Kubernetes CLI tool
    • Download here
    • Move to /usr/local/bin for path binding:
    $ sudo cp /home//Downloads/kubectl /usr/local/bin/kubectl
    $ sudo chmod +x /usr/local/bin/kubectl

    • Install Helm i.e. Kubernetes package manager
    • Download here
    • Move to /usr/local/bin for path binding:
    $ sudo cp /home//Downloads/linux-amd64/helm /usr/local/bin/helm
    $ sudo chmod +x /usr/local/bin/helm

    $ curl -L https://github.com/jenkins-x/jx/releases/download/v1.2.102/jx-linux-amd64.tar.gz | tar xzv

    $ sudo mv jx /usr/local/bin
    $ sudo chmod +x  /usr/local/bin/jx

    How to create a Kubernetes cluster on GKE and install Jenkins X

    jx create cluster gke

    $ jx create cluster gke
    ? Google Cloud Project: private-cloud-198808
    No cluster name provided so using a generated one: carpcoal
    ? Google Cloud Zone: us-west1-a
    ? Google Cloud Machine Type: n1-standard-2
    ? Minimum number of Nodes 3
    ? Maximum number of Nodes 5
    Creating cluster...
    Initialising cluster ...
    Trying to create ClusterRoleBinding gke-private-cloud-198808-us-west1-a-carpcoal-cluster-admin-binding for role: cluster-admin for user gke-private-cloud-198808-us-west1-a-carpcoal
    Created ClusterRoleBinding gke-private-cloud-198808-us-west1-a-carpcoal-cluster-admin-binding
    Created ServiceAccount tiller in namespace kube-system
    Trying to create ClusterRoleBinding tiller for role: cluster-admin and ServiceAccount: kube-system/tiller
    Created ClusterRoleBinding tiller
    Initialising helm using ServiceAccount tiller in namespace kube-system
    helm installed and configured
    ? No existing ingress controller found in the kube-system namespace, shall we install one? Yes
    NAME:   jxing ingress controller found in the kube-system namespace, shall we install one? [? for help] (Y/n) Y
    LAST DEPLOYED: Fri Jun  8 14:27:52 2018
    NAMESPACE: kube-system
    STATUS: DEPLOYED
    
    RESOURCES:
    ==> v1/ConfigMap
    NAME                            DATA  AGE
    jxing-nginx-ingress-controller  1     2s
    
    ==> v1/ServiceAccount
    NAME                 SECRETS  AGE
    jxing-nginx-ingress  1        2s
    
    ==> v1beta1/ClusterRole
    NAME                 AGE
    jxing-nginx-ingress  2s
    
    ==> v1beta1/Deployment
    NAME                                 DESIRED  CURRENT  UP-TO-DATE  AVAILABLE  AGE
    jxing-nginx-ingress-controller       1        1        1           0          1s
    jxing-nginx-ingress-default-backend  1        1        1           0          1s
    
    ==> v1beta1/ClusterRoleBinding
    NAME                 AGE
    jxing-nginx-ingress  2s
    
    ==> v1beta1/Role
    NAME                 AGE
    jxing-nginx-ingress  2s
    
    ==> v1beta1/RoleBinding
    NAME                 AGE
    jxing-nginx-ingress  2s
    
    ==> v1/Service
    NAME                                 TYPE          CLUSTER-IP     EXTERNAL-IP  PORT(S)                     AGE
    jxing-nginx-ingress-controller       LoadBalancer  10.59.244.203  <pending>    80:30890/TCP,443:32429/TCP  2s
    jxing-nginx-ingress-default-backend  ClusterIP     10.59.252.220  <none>       80/TCP                      1s
    
    ==> v1beta1/PodDisruptionBudget
    NAME                                 MIN AVAILABLE  MAX UNAVAILABLE  ALLOWED DISRUPTIONS  AGE
    jxing-nginx-ingress-controller       1              N/A              0                    1s
    jxing-nginx-ingress-default-backend  1              N/A              0                    1s
    
    ==> v1/Pod(related)
    NAME                                                  READY  STATUS             RESTARTS  AGE
    jxing-nginx-ingress-controller-7c4bd99845-kvl59       0/1    ContainerCreating  0         1s
    jxing-nginx-ingress-default-backend-66c54ff74b-z6qj8  0/1    ContainerCreating  0         1s
    
    
    NOTES:
    The nginx-ingress controller has been installed.
    It may take a few minutes for the LoadBalancer IP to be available.
    You can watch the status by running 'kubectl --namespace kube-system get services -o wide -w jxing-nginx-ingress-controller'
    
    An example Ingress that makes use of the controller:
    
      apiVersion: extensions/v1beta1
      kind: Ingress
      metadata:
        annotations:
          kubernetes.io/ingress.class: nginx
        name: example
        namespace: foo
      spec:
        rules:
          - host: www.example.com
            http:
              paths:
                - backend:
                    serviceName: exampleService
                    servicePort: 80
                  path: /
        # This section is only required if TLS is to be enabled for the Ingress
        tls:
            - hosts:
                - www.example.com
              secretName: example-tls
    
    If TLS is enabled for the Ingress, a Secret containing the certificate and key must also be provided:
    
      apiVersion: v1
      kind: Secret
      metadata:
        name: example-tls
        namespace: foo
      data:
        tls.crt: <base64 encoded cert>
        tls.key: <base64 encoded key>
      type: kubernetes.io/tls
    
    Waiting for external loadbalancer to be created and update the nginx-ingress-controller service in kube-system namespace
    Note: this loadbalancer will fail to be provisioned if you have insufficient quotas, this can happen easily on a GKE free account. To view quotas run: gcloud compute project-info describe
    External loadbalancer created
    ? Domain 35.230.49.158.nip.io
    nginx ingress controller installed and configured
    Lets set up a git username and API token to be able to perform CI/CD
    
    ? GitHub username for CI/CD pipelines: grohan2002
    Cloning the Jenkins X cloud environments repo to /home/aditi/.jx/cloud-environments
    ? A local Jenkins X cloud environments repository already exists, recreate with latest? Yes
    Cloning the Jenkins X cloud environments repo to /home/aditi/.jx/cloud-environments
    Counting objects: 574, done.
    Total 574 (delta 0), reused 0 (delta 0), pack-reused 574
    Generated helm values /home/aditi/.jx/extraValues.yaml
    Installing Jenkins X platform helm chart from: /home/aditi/.jx/cloud-environments/env-gke
    helm repo add jenkins-x https://chartmuseum.build.cd.jenkins-x.io
    "jenkins-x" has been added to your repositories
    rm -rf secrets.yaml.dec
    helm repo add jenkins-x https://chartmuseum.build.cd.jenkins-x.io
    "jenkins-x" has been added to your repositories
    helm repo update
    Hang tight while we grab the latest from your chart repositories...
    ...Skip local chart repository
    ...Successfully got an update from the "stable" chart repository
    ...Successfully got an update from the "jenkins-x" chart repository
    Update Complete. ⎈ Happy Helming!⎈ 
    helm install jenkins-x/jenkins-x-platform --name jenkins-x -f ./myvalues.yaml -f ./secrets.yaml --version 0.0.1193 --values=/home/aditi/.jx/gitSecrets.yaml --values=/home/aditi/.jx/adminSecrets.yaml --values=/home/aditi/.jx/extraValues.yaml --namespace=jx --timeout=6000
    NAME:   jenkins-x
    LAST DEPLOYED: Fri Jun  8 14:29:34 2018
    NAMESPACE: jx
    STATUS: DEPLOYED
    
    RESOURCES:
    ==> v1beta1/ClusterRoleBinding
    NAME                  AGE
    jenkins-role-binding  58s
    
    ==> v1beta1/Deployment
    NAME                           DESIRED  CURRENT  UP-TO-DATE  AVAILABLE  AGE
    jenkins-x-chartmuseum          1        1        1           1          58s
    jenkins-x-docker-registry      1        1        1           1          58s
    jenkins-x-heapster             1        1        1           1          58s
    jenkins                        1        1        1           0          58s
    jenkins-x-mongodb              1        1        1           0          58s
    jenkins-x-monocular-api        1        1        1           0          57s
    jenkins-x-monocular-prerender  1        1        1           1          57s
    jenkins-x-monocular-ui         1        1        1           1          57s
    jenkins-x-nexus                1        1        1           0          57s
    pipelinecontroller             1        1        1           1          57s
    
    ==> v1beta1/CustomResourceDefinition
    NAME                  AGE
    pipelines.jenkins.io  57s
    runs.jenkins.io       57s
    
    ==> v1/Pod(related)
    NAME                                            READY  STATUS             RESTARTS  AGE
    jenkins-x-chartmuseum-77dcdf7f87-txxrx          1/1    Running            0         58s
    jenkins-x-docker-registry-76dd6bddd4-498dr      1/1    Running            0         58s
    jenkins-x-heapster-57b558bf9b-9nbg8             2/2    Running            0         58s
    jenkins-58848b44cd-fp9kt                        0/1    Running            0         57s
    jenkins-x-mongodb-5fb7868bd-qp6q2               0/1    ContainerCreating  0         57s
    jenkins-x-monocular-api-d7d6cc9b7-2pxn4         0/1    Error              0         57s
    jenkins-x-monocular-prerender-74f49ffdc7-jdbhp  1/1    Running            0         57s
    jenkins-x-monocular-ui-5dcfbf9d7c-mvxgs         1/1    Running            0         57s
    jenkins-x-nexus-786fcdbd98-fgtq7                0/1    ContainerCreating  0         57s
    pipelinecontroller-5c5f5df7ff-4ljj5             1/1    Running            0         57s
    
    ==> v1/Secret
    NAME                              TYPE    DATA  AGE
    jenkins-x-chartmuseum             Opaque  2     58s
    jenkins-x-docker-registry-secret  Opaque  1     58s
    jenkins                           Opaque  2     58s
    jenkins-x-mongodb                 Opaque  2     58s
    nexus                             Opaque  1     58s
    jenkins-docker-cfg                Opaque  1     58s
    jenkins-git-credentials           Opaque  1     58s
    jenkins-hub-api-token             Opaque  1     58s
    jenkins-git-ssh                   Opaque  2     58s
    jx-basic-auth                     Opaque  1     58s
    jenkins-release-gpg               Opaque  4     58s
    jenkins-maven-settings            Opaque  1     58s
    jenkins-npm-token                 Opaque  1     58s
    jenkins-ssh-config                Opaque  1     58s
    
    ==> v1/ConfigMap
    NAME                              DATA  AGE
    jenkins-x-docker-registry-config  1     58s
    exposecontroller                  1     58s
    jenkins                           7     58s
    jenkins-x-git-kinds               2     58s
    jenkins-tests                     1     58s
    jenkins-x-monocular-api-config    1     58s
    jenkins-x-monocular-ui-config     1     58s
    jenkins-x-monocular-ui-vhost      1     58s
    jenkins-x-pod-templates           12    58s
    
    ==> v1/PersistentVolumeClaim
    NAME                       STATUS  VOLUME                                    CAPACITY  ACCESS MODES  STORAGECLASS  AGE
    jenkins-x-chartmuseum      Bound   pvc-43b61a9d-6afa-11e8-818a-42010a8a007f  8Gi       RWO           standard      58s
    jenkins-x-docker-registry  Bound   pvc-43ba02df-6afa-11e8-818a-42010a8a007f  100Gi     RWO           standard      58s
    jenkins                    Bound   pvc-43bda529-6afa-11e8-818a-42010a8a007f  30Gi      RWO           standard      58s
    jenkins-x-mongodb          Bound   pvc-43bedec4-6afa-11e8-818a-42010a8a007f  8Gi       RWO           standard      58s
    jenkins-x-nexus            Bound   pvc-43c0b170-6afa-11e8-818a-42010a8a007f  8Gi       RWO           standard      58s
    
    ==> v1/ServiceAccount
    NAME                SECRETS  AGE
    cleanup             1        58s
    expose              1        58s
    jenkins             1        58s
    pipelinecontroller  1        58s
    
    ==> v1/Role
    NAME     AGE
    cleanup  58s
    expose   58s
    
    ==> v1/RoleBinding
    NAME     AGE
    cleanup  58s
    expose   58s
    
    ==> v1/Service
    NAME                           TYPE       CLUSTER-IP     EXTERNAL-IP  PORT(S)    AGE
    jenkins-x-chartmuseum          ClusterIP  10.59.247.18   <none>       8080/TCP   58s
    jenkins-x-docker-registry      ClusterIP  10.59.251.152  <none>       5000/TCP   58s
    heapster                       ClusterIP  10.59.255.13   <none>       8082/TCP   58s
    jenkins-agent                  ClusterIP  10.59.242.200  <none>       50000/TCP  58s
    jenkins                        ClusterIP  10.59.252.154  <none>       8080/TCP   58s
    jenkins-x-mongodb              ClusterIP  10.59.243.233  <none>       27017/TCP  58s
    jenkins-x-monocular-api        ClusterIP  10.59.242.193  <none>       80/TCP     58s
    jenkins-x-monocular-prerender  ClusterIP  10.59.255.226  <none>       80/TCP     58s
    jenkins-x-monocular-ui         ClusterIP  10.59.242.187  <none>       80/TCP     58s
    nexus                          ClusterIP  10.59.240.56   <none>       80/TCP     58s
    
    
    waiting for install to be ready, if this is the first time then it will take a while to download images
    Jenkins X deployments ready in namespace jx
    
    	
    	********************************************************
    	
    	     NOTE: Your admin password is: pirateclear
    	
    	********************************************************
    	
    	Getting Jenkins API Token
    unable to automatically find API token with chromedp using URL http://jenkins.jx.35.230.49.158.nip.io/me/configure
    Please go to http://jenkins.jx.35.230.49.158.nip.io/me/configure and click Show API Token to get your API Token
    Then COPY the token and enter in into the form below:
    
    Created user admin API Token for Jenkins server jenkins.jx.35.230.49.158.nip.io at http://jenkins.jx.35.230.49.158.nip.io
    Creating default staging and production environments
    Using git provider GitHub at https://github.com
    
    
    About to create repository environment-carpcoal-staging on server https://github.com with user grohan2002
    ? Which organisation do you want to use? grohan2002
    
    
    Creating repository grohan2002/environment-carpcoal-staging
    Creating git repository grohan2002/environment-carpcoal-staging
    Cloning into '/home/aditi/.jx/environments/grohan2002/environment-carpcoal-staging'...
    remote: Counting objects: 67, done.
    remote: Total 67 (delta 0), reused 0 (delta 0), pack-reused 67
    Unpacking objects: 100% (67/67), done.
    Checking connectivity... done.
    [master f2045e1] Use correct namespace for environment
     1 file changed, 1 insertion(+), 1 deletion(-)
    [master 85e3e03] Add environment configuration
     1 file changed, 9 insertions(+)
    Counting objects: 74, done.
    Delta compression using up to 4 threads.
    Compressing objects: 100% (71/71), done.
    Writing objects: 100% (74/74), 13.71 KiB | 0 bytes/s, done.
    Total 74 (delta 39), reused 0 (delta 0)
    remote: Resolving deltas: 100% (39/39), done.
    To https://grohan2002:0468f81bbf086353d5a03a2a8125d5642bd1d6f6@github.com/grohan2002/environment-carpcoal-staging.git
     * [new branch]      master -> master
    Branch master set up to track remote branch master from origin.
    Pushed git repository to https://github.com/grohan2002/environment-carpcoal-staging
    
    Created environment staging
    ? user name for the Jenkins Pipeline grohan2002
    Created Jenkins Project: http://jenkins.jx.35.230.49.158.nip.io/job/grohan2002/job/environment-carpcoal-staging/
    
    Note that your first pipeline may take a few minutes to start while the necessary docker images get downloaded!
    
    Creating github webhook for grohan2002/environment-carpcoal-staging for url http://jenkins.jx.35.230.49.158.nip.io/github-webhook/
    Using git provider GitHub at https://github.com
    
    
    About to create repository environment-carpcoal-production on server https://github.com with user grohan2002
    ? Which organisation do you want to use? grohan2002
    
    
    Creating repository grohan2002/environment-carpcoal-production
    Creating git repository grohan2002/environment-carpcoal-production
    Cloning into '/home/aditi/.jx/environments/grohan2002/environment-carpcoal-production'...
    remote: Counting objects: 67, done.
    remote: Total 67 (delta 0), reused 0 (delta 0), pack-reused 67
    Unpacking objects: 100% (67/67), done.
    Checking connectivity... done.
    [master 841d795] Use correct namespace for environment
     1 file changed, 1 insertion(+), 1 deletion(-)
    [master 064603d] Add environment configuration
     1 file changed, 9 insertions(+)
    Counting objects: 74, done.
    Delta compression using up to 4 threads.
    Compressing objects: 100% (71/71), done.
    Writing objects: 100% (74/74), 13.72 KiB | 0 bytes/s, done.
    Total 74 (delta 39), reused 0 (delta 0)
    remote: Resolving deltas: 100% (39/39), done.
    To https://grohan2002:0468f81bbf086353d5a03a2a8125d5642bd1d6f6@github.com/grohan2002/environment-carpcoal-production.git
     * [new branch]      master -> master
    Branch master set up to track remote branch master from origin.
    Pushed git repository to https://github.com/grohan2002/environment-carpcoal-production
    
    Created environment production
    Created Jenkins Project: http://jenkins.jx.35.230.49.158.nip.io/job/grohan2002/job/environment-carpcoal-production/
    
    Note that your first pipeline may take a few minutes to start while the necessary docker images get downloaded!
    
    Creating github webhook for grohan2002/environment-carpcoal-production for url http://jenkins.jx.35.230.49.158.nip.io/github-webhook/
    
    Jenkins X installation completed successfully
    
    	
    	********************************************************
    	
    	     NOTE: Your admin password is: pirateclear
    	
    	********************************************************
    	
    	
    To import existing projects into Jenkins: jx import
    To create a new Spring Boot microservice: jx create spring -d web -d actuator

    After triggering this command, we are prompted to authenticate Google Cloud account. It also prompts for some questions on how to create our cluster. It generates a random admin password which is used to access all the applications that we’ve installed.

    jx get build logs

    We can now get logs for the build jobs which are actually provisioning the staging environment. Please find detailed logs of the above command displayed below.

    $ jx get build logs
    ? Which pipeline do you want to view the logs of?:  grohan2002/environment-carpcoal-staging/master
    view the log at: http://jenkins.jx.35.230.49.158.nip.io/job/grohan2002/job/environment-carpcoal-staging/job/master/1/console
    tailing the log of grohan2002/environment-carpcoal-staging/master #1
    Branch indexing
    Connecting to https://api.github.com using grohan2002/****** (API Token for acccessing https://github.com git service inside pipelines)
    Obtained Jenkinsfile from 85e3e0347b4d8ad42f4a8d422e53b9d5691c8e6d
    Running in Durability level: MAX_SURVIVABILITY
    [Pipeline] node
    Still waiting to schedule task
    Waiting for next available executor
    Running on maven-5xzh0 in /home/jenkins/workspace/ent-carpcoal-staging_master-6QDKMJ2XMNMFA5GSJVDMXNPODJHK2OTAAIO23EZOPYXO5MLNXDQQ
    [Pipeline] {
    [Pipeline] stage
    [Pipeline] { (Declarative: Checkout SCM)
    [Pipeline] checkout
    Cloning the remote Git repository
    Cloning with configured refspecs honoured and without tags
    Cloning repository https://github.com/grohan2002/environment-carpcoal-staging.git
     > git init /home/jenkins/workspace/ent-carpcoal-staging_master-6QDKMJ2XMNMFA5GSJVDMXNPODJHK2OTAAIO23EZOPYXO5MLNXDQQ # timeout=10
    Fetching upstream changes from https://github.com/grohan2002/environment-carpcoal-staging.git
     > git --version # timeout=10
    using GIT_ASKPASS to set credentials API Token for acccessing https://github.com git service inside pipelines
     > git fetch --no-tags --progress https://github.com/grohan2002/environment-carpcoal-staging.git +refs/heads/master:refs/remotes/origin/master
     > git config remote.origin.url https://github.com/grohan2002/environment-carpcoal-staging.git # timeout=10
     > git config --add remote.origin.fetch +refs/heads/master:refs/remotes/origin/master # timeout=10
     > git config remote.origin.url https://github.com/grohan2002/environment-carpcoal-staging.git # timeout=10
    Fetching without tags
    Fetching upstream changes from https://github.com/grohan2002/environment-carpcoal-staging.git
    using GIT_ASKPASS to set credentials API Token for acccessing https://github.com git service inside pipelines
     > git fetch --no-tags --progress https://github.com/grohan2002/environment-carpcoal-staging.git +refs/heads/master:refs/remotes/origin/master
    Checking out Revision 85e3e0347b4d8ad42f4a8d422e53b9d5691c8e6d (master)
     > git config core.sparsecheckout # timeout=10
     > git checkout -f 85e3e0347b4d8ad42f4a8d422e53b9d5691c8e6d
    Commit message: "Add environment configuration"
    First time build. Skipping changelog.
    [Pipeline] }
    [Pipeline] // stage
    [Pipeline] withEnv
    [Pipeline] {
    [Pipeline] stage
    [Pipeline] { (Validate Environment)
    [Pipeline] container
    [Pipeline] {
    [Pipeline] sh
    [ent-carpcoal-staging_master-6QDKMJ2XMNMFA5GSJVDMXNPODJHK2OTAAIO23EZOPYXO5MLNXDQQ] Running shell script
    + make build
    rm -rf requirements.lock
    helm version
    Client: &version.Version{SemVer:"v2.8.2", GitCommit:"a80231648a1473929271764b920a8e346f6de844", GitTreeState:"clean"}
    Server: &version.Version{SemVer:"v2.9.1", GitCommit:"20adb27c7c5868466912eebdf6664e7390ebe710", GitTreeState:"clean"}
    helm init
    Creating /home/jenkins/.helm 
    Creating /home/jenkins/.helm/repository 
    Creating /home/jenkins/.helm/repository/cache 
    Creating /home/jenkins/.helm/repository/local 
    Creating /home/jenkins/.helm/plugins 
    Creating /home/jenkins/.helm/starters 
    Creating /home/jenkins/.helm/cache/archive 
    Creating /home/jenkins/.helm/repository/repositories.yaml 
    Adding stable repo with URL: https://kubernetes-charts.storage.googleapis.com 
    Adding local repo with URL: http://127.0.0.1:8879/charts 
    $HELM_HOME has been configured at /home/jenkins/.helm.
    Warning: Tiller is already installed in the cluster.
    (Use --client-only to suppress this message, or --upgrade to upgrade Tiller to the current version.)
    Happy Helming!
    helm repo add releases http://jenkins-x-chartmuseum:8080
    "releases" has been added to your repositories
    helm repo add jenkins-x http://chartmuseum.build.cd.jenkins-x.io
    "jenkins-x" has been added to your repositories
    helm dependency build "env"
    Hang tight while we grab the latest from your chart repositories...
    ...Unable to get an update from the "local" chart repository (http://127.0.0.1:8879/charts):
    	Get http://127.0.0.1:8879/charts/index.yaml: dial tcp 127.0.0.1:8879: getsockopt: connection refused
    ...Successfully got an update from the "releases" chart repository
    ...Successfully got an update from the "stable" chart repository
    ...Successfully got an update from the "jenkins-x" chart repository
    Update Complete. ⎈Happy Helming!
    Saving 2 charts
    Downloading exposecontroller from repo http://chartmuseum.build.cd.jenkins-x.io
    Downloading exposecontroller from repo http://chartmuseum.build.cd.jenkins-x.io
    Deleting outdated charts
    helm lint "env"
    ==> Linting env
    Lint OK
    
    1 chart(s) linted, no failures
    [Pipeline] }
    [Pipeline] // container
    [Pipeline] }
    [Pipeline] // stage
    [Pipeline] stage
    [Pipeline] { (Update Environment)
    [Pipeline] container
    [Pipeline] {
    [Pipeline] sh
    [ent-carpcoal-staging_master-6QDKMJ2XMNMFA5GSJVDMXNPODJHK2OTAAIO23EZOPYXO5MLNXDQQ] Running shell script
    + make install
    helm upgrade "jx-staging" "env" --install --namespace "jx-staging" --debug
    [debug] Created tunnel using local port: '36938'
    
    [debug] SERVER: "127.0.0.1:36938"
    
    Release "jx-staging" does not exist. Installing it now.
    [debug] CHART PATH: /home/jenkins/workspace/ent-carpcoal-staging_master-6QDKMJ2XMNMFA5GSJVDMXNPODJHK2OTAAIO23EZOPYXO5MLNXDQQ/env
    
    NAME:   jx-staging
    REVISION: 1
    RELEASED: Fri Jun  8 09:06:21 2018
    CHART: env-0.0.1
    USER-SUPPLIED VALUES:
    {}
    
    COMPUTED VALUES:
    cleanup:
      Annotations:
        helm.sh/hook: pre-delete
        helm.sh/hook-delete-policy: hook-succeeded
      Args:
      - --cleanup
      BackoffLimit: 5
      Image: jenkinsxio/exposecontroller
      ImageTag: 2.3.58
      global: {}
    expose:
      Annotations:
        helm.sh/hook: post-install,post-upgrade
        helm.sh/hook-delete-policy: hook-succeeded
      BackoffLimit: 5
      Image: jenkinsxio/exposecontroller
      ImageTag: 2.3.58
      config:
        domain: 35.230.49.158.nip.io
        exposer: Ingress
        http: "true"
        tlsacme: "false"
      global: {}
    
    HOOKS:
    ---
    # expose
    apiVersion: batch/v1
    kind: Job
    metadata:
      name: expose
      labels:
        heritage: "Tiller"
        release: "jx-staging"
        chart: "expose-2.3.58"
        component: "jx-staging-expose"
      name: expose
      annotations:
        helm.sh/hook: post-install,post-upgrade
        helm.sh/hook-delete-policy: hook-succeeded
        
    spec:
      # backoffLimit: 5
      template:
        metadata:
          name: "jx-staging"
          labels:
            heritage: "Tiller"
            release: "jx-staging"
            chart: "expose-2.3.58"
        spec:
          containers:
          - env:
            - name: KUBERNETES_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
            image: "jenkinsxio/exposecontroller:2.3.58"
            name: expose
            command: ["/exposecontroller"]
            args:
          serviceAccountName: expose
          restartPolicy: Never
    ---
    # cleanup
    apiVersion: batch/v1
    kind: Job
    metadata:
      name: cleanup
      labels:
        heritage: "Tiller"
        release: "jx-staging"
        chart: "cleanup-2.3.58"
        component: "jx-staging-cleanup"
      name: cleanup
      annotations:
        helm.sh/hook: pre-delete
        helm.sh/hook-delete-policy: hook-succeeded
        
    spec:
      # backoffLimit: 5
      template:
        metadata:
          name: "jx-staging"
          labels:
            heritage: "Tiller"
            release: "jx-staging"
            chart: "cleanup-2.3.58"
        spec:
          containers:
          - env:
            - name: KUBERNETES_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
            image: "jenkinsxio/exposecontroller:2.3.58"
            name: cleanup
            command: ["/exposecontroller"]
            args:
            - "--cleanup"
          serviceAccountName: cleanup
          restartPolicy: Never
    MANIFEST:
    
    ---
    # Source: env/charts/expose/templates/configmap.yaml
    apiVersion: v1
    data:
      config.yml: |-
        exposer: Ingress
        domain: 35.230.49.158.nip.io
        http: true
        tls-acme: false
    kind: ConfigMap
    metadata:
      name: exposecontroller
    ---
    # Source: env/charts/cleanup/templates/serviceaccount.yaml
    apiVersion: v1
    kind: ServiceAccount
    metadata:
      labels:
        app: cleanup
        chart: "cleanup-2.3.58"
        release: "jx-staging"
        heritage: "Tiller"
      name: cleanup
    ---
    # Source: env/charts/expose/templates/serviceaccount.yaml
    apiVersion: v1
    kind: ServiceAccount
    metadata:
      labels:
        app: expose
        chart: "expose-2.3.58"
        release: "jx-staging"
        heritage: "Tiller"
      name: expose
    ---
    # Source: env/charts/cleanup/templates/role.yaml
    apiVersion: rbac.authorization.k8s.io/v1
    kind: Role
    metadata:
      name: cleanup
    rules:
    - apiGroups:
      - extensions
      resources:
      - ingresses
      verbs:
      - get
      - list
      - watch
      - patch
      - create
      - update
      - delete
    - apiGroups:
      - ""
      resources:
      - configmaps
      - services
      verbs:
      - get
      - list
      - watch
      - patch
      - update
    - apiGroups:
      - apps
      resources:
      - deployments
      verbs:
      - get
      - list
      - watch
      - patch
      - update
    - apiGroups:
      - ""
      - "route.openshift.io"
      resources:
      - routes
      verbs:
      - get
      - list
      - watch
      - patch
      - create
      - update
      - delete
    ---
    # Source: env/charts/expose/templates/role.yaml
    apiVersion: rbac.authorization.k8s.io/v1
    kind: Role
    metadata:
      name: expose
    rules:
    - apiGroups:
      - extensions
      resources:
      - ingresses
      verbs:
      - get
      - list
      - watch
      - patch
      - create
      - update
      - delete
    - apiGroups:
      - ""
      resources:
      - configmaps
      - services
      verbs:
      - get
      - list
      - watch
      - patch
      - update
    - apiGroups:
      - apps
      resources:
      - deployments
      verbs:
      - get
      - list
      - watch
      - patch
      - update
    - apiGroups:
      - ""
      - "route.openshift.io"
      resources:
      - routes
      verbs:
      - get
      - list
      - watch
      - patch
      - create
      - update
      - delete
    ---
    # Source: env/charts/cleanup/templates/rolebinding.yaml
    apiVersion: rbac.authorization.k8s.io/v1
    kind: RoleBinding
    metadata:
      name: cleanup
      namespace: jx-staging
    roleRef:
      apiGroup: rbac.authorization.k8s.io
      kind: Role
      name: cleanup
    subjects:
    - kind: ServiceAccount
      name: cleanup
      namespace: jx-staging
    ---
    # Source: env/charts/expose/templates/rolebinding.yaml
    apiVersion: rbac.authorization.k8s.io/v1
    kind: RoleBinding
    metadata:
      name: expose
      namespace: jx-staging
    roleRef:
      apiGroup: rbac.authorization.k8s.io
      kind: Role
      name: expose
    subjects:
    - kind: ServiceAccount
      name: expose
      namespace: jx-staging
    LAST DEPLOYED: Fri Jun  8 09:06:21 2018
    NAMESPACE: jx-staging
    STATUS: DEPLOYED
    
    RESOURCES:
    ==> v1/ConfigMap
    NAME              DATA  AGE
    exposecontroller  1     9s
    
    ==> v1/ServiceAccount
    NAME     SECRETS  AGE
    cleanup  1        9s
    expose   1        9s
    
    ==> v1/Role
    NAME     AGE
    cleanup  9s
    expose   9s
    
    ==> v1/RoleBinding
    NAME     AGE
    cleanup  9s
    expose   9s
    
    
    [Pipeline] }
    [Pipeline] // container
    [Pipeline] }
    [Pipeline] // stage
    [Pipeline] }
    [Pipeline] // withEnv
    [Pipeline] }
    [Pipeline] // node
    [Pipeline] End of Pipeline
    
    GitHub has been notified of this commit’s build result
    
    Finished: SUCCESS

    Please find detailed logs of the above command from the Production environment displayed below.

    $ jx get build logs
    ? Which pipeline do you want to view the logs of?:  grohan2002/environment-carpcoal-production/master
    view the log at: http://jenkins.jx.35.230.49.158.nip.io/job/grohan2002/job/environment-carpcoal-production/job/master/1/console
    tailing the log of grohan2002/environment-carpcoal-production/master #1
    Branch indexing
    Connecting to https://api.github.com using grohan2002/****** (API Token for acccessing https://github.com git service inside pipelines)
    Obtained Jenkinsfile from 064603de5cc9f03d0b893fa4aaa6950b7bfe99f1
    Running in Durability level: MAX_SURVIVABILITY
    [Pipeline] node
    Still waiting to schedule task
    maven-5xzh0 is offline
    Running on maven-8hhjb in /home/jenkins/workspace/-carpcoal-production_master-TXWJBDNX3PPVBA42Y2NQBLQ5UXXIJZQJRN5IAG7FWTSCBVLG7VCQ
    [Pipeline] {
    [Pipeline] stage
    [Pipeline] { (Declarative: Checkout SCM)
    [Pipeline] checkout
    Cloning the remote Git repository
    Cloning with configured refspecs honoured and without tags
    Cloning repository https://github.com/grohan2002/environment-carpcoal-production.git
     > git init /home/jenkins/workspace/-carpcoal-production_master-TXWJBDNX3PPVBA42Y2NQBLQ5UXXIJZQJRN5IAG7FWTSCBVLG7VCQ # timeout=10
    Fetching upstream changes from https://github.com/grohan2002/environment-carpcoal-production.git
     > git --version # timeout=10
    using GIT_ASKPASS to set credentials API Token for acccessing https://github.com git service inside pipelines
     > git fetch --no-tags --progress https://github.com/grohan2002/environment-carpcoal-production.git +refs/heads/master:refs/remotes/origin/master
     > git config remote.origin.url https://github.com/grohan2002/environment-carpcoal-production.git # timeout=10
     > git config --add remote.origin.fetch +refs/heads/master:refs/remotes/origin/master # timeout=10
     > git config remote.origin.url https://github.com/grohan2002/environment-carpcoal-production.git # timeout=10
    Fetching without tags
    Fetching upstream changes from https://github.com/grohan2002/environment-carpcoal-production.git
    using GIT_ASKPASS to set credentials API Token for acccessing https://github.com git service inside pipelines
     > git fetch --no-tags --progress https://github.com/grohan2002/environment-carpcoal-production.git +refs/heads/master:refs/remotes/origin/master
    Checking out Revision 064603de5cc9f03d0b893fa4aaa6950b7bfe99f1 (master)
     > git config core.sparsecheckout # timeout=10
     > git checkout -f 064603de5cc9f03d0b893fa4aaa6950b7bfe99f1
    Commit message: "Add environment configuration"
    First time build. Skipping changelog.
    [Pipeline] }
    [Pipeline] // stage
    [Pipeline] withEnv
    [Pipeline] {
    [Pipeline] stage
    [Pipeline] { (Validate Environment)
    [Pipeline] container
    [Pipeline] {
    [Pipeline] sh
    [-carpcoal-production_master-TXWJBDNX3PPVBA42Y2NQBLQ5UXXIJZQJRN5IAG7FWTSCBVLG7VCQ] Running shell script
    + make build
    rm -rf requirements.lock
    helm version
    Client: &version.Version{SemVer:"v2.8.2", GitCommit:"a80231648a1473929271764b920a8e346f6de844", GitTreeState:"clean"}
    Server: &version.Version{SemVer:"v2.9.1", GitCommit:"20adb27c7c5868466912eebdf6664e7390ebe710", GitTreeState:"clean"}
    helm init
    Creating /home/jenkins/.helm 
    Creating /home/jenkins/.helm/repository 
    Creating /home/jenkins/.helm/repository/cache 
    Creating /home/jenkins/.helm/repository/local 
    Creating /home/jenkins/.helm/plugins 
    Creating /home/jenkins/.helm/starters 
    Creating /home/jenkins/.helm/cache/archive 
    Creating /home/jenkins/.helm/repository/repositories.yaml 
    Adding stable repo with URL: https://kubernetes-charts.storage.googleapis.com 
    Adding local repo with URL: http://127.0.0.1:8879/charts 
    $HELM_HOME has been configured at /home/jenkins/.helm.
    Warning: Tiller is already installed in the cluster.
    (Use --client-only to suppress this message, or --upgrade to upgrade Tiller to the current version.)
    Happy Helming!
    helm repo add releases http://jenkins-x-chartmuseum:8080
    "releases" has been added to your repositories
    helm repo add jenkins-x http://chartmuseum.build.cd.jenkins-x.io
    "jenkins-x" has been added to your repositories
    helm dependency build "env"
    Hang tight while we grab the latest from your chart repositories...
    ...Unable to get an update from the "local" chart repository (http://127.0.0.1:8879/charts):
    	Get http://127.0.0.1:8879/charts/index.yaml: dial tcp 127.0.0.1:8879: getsockopt: connection refused
    ...Successfully got an update from the "releases" chart repository
    ...Successfully got an update from the "stable" chart repository
    ...Successfully got an update from the "jenkins-x" chart repository
    Update Complete. ⎈Happy Helming!
    Saving 2 charts
    Downloading exposecontroller from repo http://chartmuseum.build.cd.jenkins-x.io
    Downloading exposecontroller from repo http://chartmuseum.build.cd.jenkins-x.io
    Deleting outdated charts
    helm lint "env"
    ==> Linting env
    Lint OK
    
    1 chart(s) linted, no failures
    [Pipeline] }
    [Pipeline] // container
    [Pipeline] }
    [Pipeline] // stage
    [Pipeline] stage
    [Pipeline] { (Update Environment)
    [Pipeline] container
    [Pipeline] {
    [Pipeline] sh
    [-carpcoal-production_master-TXWJBDNX3PPVBA42Y2NQBLQ5UXXIJZQJRN5IAG7FWTSCBVLG7VCQ] Running shell script
    + make install
    helm upgrade "jx-production" "env" --install --namespace "jx-production" --debug
    [debug] Created tunnel using local port: '38796'
    
    [debug] SERVER: "127.0.0.1:38796"
    
    Release "jx-production" does not exist. Installing it now.
    [debug] CHART PATH: /home/jenkins/workspace/-carpcoal-production_master-TXWJBDNX3PPVBA42Y2NQBLQ5UXXIJZQJRN5IAG7FWTSCBVLG7VCQ/env
    
    NAME:   jx-production
    REVISION: 1
    RELEASED: Fri Jun  8 09:08:34 2018
    CHART: env-0.0.1
    USER-SUPPLIED VALUES:
    {}
    
    COMPUTED VALUES:
    cleanup:
      Annotations:
        helm.sh/hook: pre-delete
        helm.sh/hook-delete-policy: hook-succeeded
      Args:
      - --cleanup
      BackoffLimit: 5
      Image: jenkinsxio/exposecontroller
      ImageTag: 2.3.58
      global: {}
    expose:
      Annotations:
        helm.sh/hook: post-install,post-upgrade
        helm.sh/hook-delete-policy: hook-succeeded
      BackoffLimit: 5
      Image: jenkinsxio/exposecontroller
      ImageTag: 2.3.58
      config:
        domain: 35.230.49.158.nip.io
        exposer: Ingress
        http: "true"
        tlsacme: "false"
      global: {}
    
    HOOKS:
    ---
    # cleanup
    apiVersion: batch/v1
    kind: Job
    metadata:
      name: cleanup
      labels:
        heritage: "Tiller"
        release: "jx-production"
        chart: "cleanup-2.3.58"
        component: "jx-production-cleanup"
      name: cleanup
      annotations:
        helm.sh/hook: pre-delete
        helm.sh/hook-delete-policy: hook-succeeded
        
    spec:
      # backoffLimit: 5
      template:
        metadata:
          name: "jx-production"
          labels:
            heritage: "Tiller"
            release: "jx-production"
            chart: "cleanup-2.3.58"
        spec:
          containers:
          - env:
            - name: KUBERNETES_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
            image: "jenkinsxio/exposecontroller:2.3.58"
            name: cleanup
            command: ["/exposecontroller"]
            args:
            - "--cleanup"
          serviceAccountName: cleanup
          restartPolicy: Never
    ---
    # expose
    apiVersion: batch/v1
    kind: Job
    metadata:
      name: expose
      labels:
        heritage: "Tiller"
        release: "jx-production"
        chart: "expose-2.3.58"
        component: "jx-production-expose"
      name: expose
      annotations:
        helm.sh/hook: post-install,post-upgrade
        helm.sh/hook-delete-policy: hook-succeeded
        
    spec:
      # backoffLimit: 5
      template:
        metadata:
          name: "jx-production"
          labels:
            heritage: "Tiller"
            release: "jx-production"
            chart: "expose-2.3.58"
        spec:
          containers:
          - env:
            - name: KUBERNETES_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
            image: "jenkinsxio/exposecontroller:2.3.58"
            name: expose
            command: ["/exposecontroller"]
            args:
          serviceAccountName: expose
          restartPolicy: Never
    MANIFEST:
    
    ---
    # Source: env/charts/expose/templates/configmap.yaml
    apiVersion: v1
    data:
      config.yml: |-
        exposer: Ingress
        domain: 35.230.49.158.nip.io
        http: true
        tls-acme: false
    kind: ConfigMap
    metadata:
      name: exposecontroller
    ---
    # Source: env/charts/cleanup/templates/serviceaccount.yaml
    apiVersion: v1
    kind: ServiceAccount
    metadata:
      labels:
        app: cleanup
        chart: "cleanup-2.3.58"
        release: "jx-production"
        heritage: "Tiller"
      name: cleanup
    ---
    # Source: env/charts/expose/templates/serviceaccount.yaml
    apiVersion: v1
    kind: ServiceAccount
    metadata:
      labels:
        app: expose
        chart: "expose-2.3.58"
        release: "jx-production"
        heritage: "Tiller"
      name: expose
    ---
    # Source: env/charts/cleanup/templates/role.yaml
    apiVersion: rbac.authorization.k8s.io/v1
    kind: Role
    metadata:
      name: cleanup
    rules:
    - apiGroups:
      - extensions
      resources:
      - ingresses
      verbs:
      - get
      - list
      - watch
      - patch
      - create
      - update
      - delete
    - apiGroups:
      - ""
      resources:
      - configmaps
      - services
      verbs:
      - get
      - list
      - watch
      - patch
      - update
    - apiGroups:
      - apps
      resources:
      - deployments
      verbs:
      - get
      - list
      - watch
      - patch
      - update
    - apiGroups:
      - ""
      - "route.openshift.io"
      resources:
      - routes
      verbs:
      - get
      - list
      - watch
      - patch
      - create
      - update
      - delete
    ---
    # Source: env/charts/expose/templates/role.yaml
    apiVersion: rbac.authorization.k8s.io/v1
    kind: Role
    metadata:
      name: expose
    rules:
    - apiGroups:
      - extensions
      resources:
      - ingresses
      verbs:
      - get
      - list
      - watch
      - patch
      - create
      - update
      - delete
    - apiGroups:
      - ""
      resources:
      - configmaps
      - services
      verbs:
      - get
      - list
      - watch
      - patch
      - update
    - apiGroups:
      - apps
      resources:
      - deployments
      verbs:
      - get
      - list
      - watch
      - patch
      - update
    - apiGroups:
      - ""
      - "route.openshift.io"
      resources:
      - routes
      verbs:
      - get
      - list
      - watch
      - patch
      - create
      - update
      - delete
    ---
    # Source: env/charts/cleanup/templates/rolebinding.yaml
    apiVersion: rbac.authorization.k8s.io/v1
    kind: RoleBinding
    metadata:
      name: cleanup
      namespace: jx-production
    roleRef:
      apiGroup: rbac.authorization.k8s.io
      kind: Role
      name: cleanup
    subjects:
    - kind: ServiceAccount
      name: cleanup
      namespace: jx-production
    ---
    # Source: env/charts/expose/templates/rolebinding.yaml
    apiVersion: rbac.authorization.k8s.io/v1
    kind: RoleBinding
    metadata:
      name: expose
      namespace: jx-production
    roleRef:
      apiGroup: rbac.authorization.k8s.io
      kind: Role
      name: expose
    subjects:
    - kind: ServiceAccount
      name: expose
      namespace: jx-production
    LAST DEPLOYED: Fri Jun  8 09:08:34 2018
    NAMESPACE: jx-production
    STATUS: DEPLOYED
    
    RESOURCES:
    ==> v1/ConfigMap
    NAME              DATA  AGE
    exposecontroller  1     9s
    
    ==> v1/ServiceAccount
    NAME     SECRETS  AGE
    cleanup  1        9s
    expose   1        9s
    
    ==> v1/Role
    NAME     AGE
    cleanup  9s
    expose   8s
    
    ==> v1/RoleBinding
    NAME     AGE
    cleanup  8s
    expose   8s
    
    
    [Pipeline] }
    [Pipeline] // container
    [Pipeline] }
    [Pipeline] // stage
    [Pipeline] }
    [Pipeline] // withEnv
    [Pipeline] }
    [Pipeline] // node
    [Pipeline] End of Pipeline
    
    GitHub has been notified of this commit’s build result
    
    Finished: SUCCESS

    Jenkins X has been successfully installed and default environments are created on our new GKE cluster.

    How to create an application on Jenkins X

    The following steps creates a sample Spring Boot application and import it into Jenkins X.

    1. Command to create Spring Application 

    jx create spring

    It will prompt for some questions like the type of project, mvn group ID, artefact name, spring boot dependencies etc. It initializes this project as a Git repository. It adds some extra files to the repo i.e. Dockerfile, Jenkinsfile, charts etc. This will create a repository in GitHub. Also creates a project in Jenkins and registers webhooks in the Git repository.

    2. Command to get build logs

    jx get build logs

    aditi@EMP:/tmp$ jx get build logs
    ? Which pipeline do you want to view the logs of?:  grohan2002/demo08/master
    view the log at: http://jenkins.jx.35.230.49.158.nip.io/job/grohan2002/job/demo08/job/master/1/console
    tailing the log of grohan2002/demo08/master #1
    Branch indexing
    Connecting to https://api.github.com using grohan2002/****** (API Token for acccessing https://github.com git service inside pipelines)
    Obtained Jenkinsfile from efc077e94f0b7820ee4a626bd921e5da208ecf8a
    Running in Durability level: MAX_SURVIVABILITY
    [Pipeline] node
    Still waiting to schedule task
    Waiting for next available executor
    Running on maven-0tbjd in /home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A
    [Pipeline] {
    [Pipeline] stage
    [Pipeline] { (Declarative: Checkout SCM)
    [Pipeline] checkout
    Cloning the remote Git repository
    Cloning with configured refspecs honoured and without tags
    Cloning repository https://github.com/grohan2002/demo08.git
     > git init /home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A # timeout=10
    Fetching upstream changes from https://github.com/grohan2002/demo08.git
     > git --version # timeout=10
    using GIT_ASKPASS to set credentials API Token for acccessing https://github.com git service inside pipelines
     > git fetch --no-tags --progress https://github.com/grohan2002/demo08.git +refs/heads/master:refs/remotes/origin/master
     > git config remote.origin.url https://github.com/grohan2002/demo08.git # timeout=10
     > git config --add remote.origin.fetch +refs/heads/master:refs/remotes/origin/master # timeout=10
     > git config remote.origin.url https://github.com/grohan2002/demo08.git # timeout=10
    Fetching without tags
    Fetching upstream changes from https://github.com/grohan2002/demo08.git
    using GIT_ASKPASS to set credentials API Token for acccessing https://github.com git service inside pipelines
     > git fetch --no-tags --progress https://github.com/grohan2002/demo08.git +refs/heads/master:refs/remotes/origin/master
    Checking out Revision efc077e94f0b7820ee4a626bd921e5da208ecf8a (master)
     > git config core.sparsecheckout # timeout=10
     > git checkout -f efc077e94f0b7820ee4a626bd921e5da208ecf8a
    Commit message: "Draft create"
    First time build. Skipping changelog.
    [Pipeline] }
    [Pipeline] // stage
    [Pipeline] withEnv
    [Pipeline] {
    [Pipeline] withCredentials
    [Pipeline] {
    [Pipeline] withEnv
    [Pipeline] {
    [Pipeline] stage
    [Pipeline] { (CI Build and push snapshot)
    Stage 'CI Build and push snapshot' skipped due to when conditional
    [Pipeline] }
    [Pipeline] // stage
    [Pipeline] stage
    [Pipeline] { (Build Release)
    [Pipeline] container
    [Pipeline] {
    [Pipeline] sh
    [grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A] Running shell script
    + git checkout master
    Switched to a new branch 'master'
    Branch master set up to track remote branch master from origin.
    [Pipeline] sh
    [grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A] Running shell script
    + git config --global credential.helper store
    [Pipeline] sh
    [grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A] Running shell script
    + jx step validate --min-jx-version 1.1.73
    [Pipeline] sh
    [grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A] Running shell script
    + jx step git credentials
    Generated git credentials file /home/jenkins/git/credentials
    [Pipeline] sh
    [grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A] Running shell script
    ++ jx-release-version
    + echo 0.0.1
    [Pipeline] sh
    [grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A] Running shell script
    ++ cat VERSION
    + mvn versions:set -DnewVersion=0.0.1
    Picked up _JAVA_OPTIONS: -XX:+UnlockExperimentalVMOptions -XX:+UseCGroupMemoryLimitForHeap -Dsun.zip.disableMemoryMapping=true -XX:+UseParallelGC -XX:MinHeapFreeRatio=5 -XX:MaxHeapFreeRatio=10 -XX:GCTimeRatio=4 -XX:AdaptiveSizePolicyWeight=90 -Xms10m -Xmx192m
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    [INFO] Searching for local aggregator root...
    [INFO] Local aggregation root: /home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A
    [INFO] Processing change of com.example:demo08:0.0.1-SNAPSHOT -> 0.0.1
    [INFO] Processing com.example:demo08
    [INFO]     Updating project com.example:demo08
    [INFO]         from version 0.0.1-SNAPSHOT to 0.0.1
    [INFO] 
    [INFO] ------------------------------------------------------------------------
    [INFO] BUILD SUCCESS
    [INFO] ------------------------------------------------------------------------
    [INFO] Total time: 36.712 s
    [INFO] Finished at: 2018-06-08T09:26:19+00:00
    [INFO] Final Memory: 17M/22M
    [INFO] ------------------------------------------------------------------------
    [Pipeline] }
    [Pipeline] // container
    [Pipeline] dir
    Running in /home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/charts/demo08
    [Pipeline] {
    [Pipeline] container
    [Pipeline] {
    [Pipeline] sh
    [demo08] Running shell script
    + make tag
    sed -i -e "s/version:.*/version: 0.0.1/" Chart.yaml
    sed -i -e "s/repository: .*/repository: 10.59.251.152:5000\/grohan2002\/demo08/" values.yaml
    sed -i -e "s/tag: .*/tag: 0.0.1/" values.yaml
    git add --all
    git commit -m "release 0.0.1" --allow-empty # if first release then no verion update is performed
    [master 782ce19] release 0.0.1
     7 files changed, 66 insertions(+), 4 deletions(-)
     create mode 100644 VERSION
     create mode 100644 charts/demo08@tmp/durable-e73f59b2/jenkins-log.txt
     create mode 100755 charts/demo08@tmp/durable-e73f59b2/script.sh
     create mode 100644 pom.xml.versionsBackup
    git tag -fa v0.0.1 -m "Release version 0.0.1"
    git push origin v0.0.1
    To https://github.com/grohan2002/demo08.git
     * [new tag]         v0.0.1 -> v0.0.1
    [Pipeline] }
    [Pipeline] // container
    [Pipeline] }
    [Pipeline] // dir
    [Pipeline] container
    [Pipeline] {
    [Pipeline] sh
    [grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A] Running shell script
    + mvn clean deploy
    Picked up _JAVA_OPTIONS: -XX:+UnlockExperimentalVMOptions -XX:+UseCGroupMemoryLimitForHeap -Dsun.zip.disableMemoryMapping=true -XX:+UseParallelGC -XX:MinHeapFreeRatio=5 -XX:MaxHeapFreeRatio=10 -XX:GCTimeRatio=4 -XX:AdaptiveSizePolicyWeight=90 -Xms10m -Xmx192m
    [INFO] Scanning for projects...
    [INFO]                                                                         
    [INFO] ------------------------------------------------------------------------
    [INFO] Building demo 0.0.1
    [INFO] ------------------------------------------------------------------------
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    [INFO] 
    [INFO] -------------------------------------------------------
    [INFO]  T E S T S
    [INFO] -------------------------------------------------------
    [INFO] Running com.example.demo08.DemoApplicationTests
    09:27:00.364 [main] DEBUG org.springframework.test.context.junit4.SpringJUnit4ClassRunner - SpringJUnit4ClassRunner constructor called with [class com.example.demo08.DemoApplicationTests]
    09:27:00.415 [main] DEBUG org.springframework.test.context.BootstrapUtils - Instantiating CacheAwareContextLoaderDelegate from class [org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate]
    09:27:00.426 [main] DEBUG org.springframework.test.context.BootstrapUtils - Instantiating BootstrapContext using constructor [public org.springframework.test.context.support.DefaultBootstrapContext(java.lang.Class,org.springframework.test.context.CacheAwareContextLoaderDelegate)]
    09:27:00.523 [main] DEBUG org.springframework.test.context.BootstrapUtils - Instantiating TestContextBootstrapper for test class [com.example.demo08.DemoApplicationTests] from class [org.springframework.boot.test.context.SpringBootTestContextBootstrapper]
    09:27:00.543 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Neither @ContextConfiguration nor @ContextHierarchy found for test class [com.example.demo08.DemoApplicationTests], using SpringBootContextLoader
    09:27:00.560 [main] DEBUG org.springframework.test.context.support.AbstractContextLoader - Did not detect default resource location for test class [com.example.demo08.DemoApplicationTests]: class path resource [com/example/demo08/DemoApplicationTests-context.xml] does not exist
    09:27:00.561 [main] DEBUG org.springframework.test.context.support.AbstractContextLoader - Did not detect default resource location for test class [com.example.demo08.DemoApplicationTests]: class path resource [com/example/demo08/DemoApplicationTestsContext.groovy] does not exist
    09:27:00.563 [main] INFO org.springframework.test.context.support.AbstractContextLoader - Could not detect default resource locations for test class [com.example.demo08.DemoApplicationTests]: no resource found for suffixes {-context.xml, Context.groovy}.
    09:27:00.564 [main] INFO org.springframework.test.context.support.AnnotationConfigContextLoaderUtils - Could not detect default configuration classes for test class [com.example.demo08.DemoApplicationTests]: DemoApplicationTests does not declare any static, non-private, non-final, nested classes annotated with @Configuration.
    09:27:00.718 [main] DEBUG org.springframework.test.context.support.ActiveProfilesUtils - Could not find an 'annotation declaring class' for annotation type [org.springframework.test.context.ActiveProfiles] and class [com.example.demo08.DemoApplicationTests]
    09:27:00.727 [main] DEBUG org.springframework.core.env.StandardEnvironment - Adding PropertySource 'systemProperties' with lowest search precedence
    09:27:00.728 [main] DEBUG org.springframework.core.env.StandardEnvironment - Adding PropertySource 'systemEnvironment' with lowest search precedence
    09:27:00.728 [main] DEBUG org.springframework.core.env.StandardEnvironment - Initialized StandardEnvironment with PropertySources [MapPropertySource@13996678 {name='systemProperties', properties={java.runtime.name=OpenJDK Runtime Environment, sun.boot.library.path=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/lib/i386, java.vm.version=25.171-b10, java.vm.vendor=Oracle Corporation, java.vendor.url=http://java.oracle.com/, path.separator=:, java.vm.name=OpenJDK Server VM, file.encoding.pkg=sun.io, user.country=US, sun.java.launcher=SUN_STANDARD, sun.os.patch.level=unknown, java.vm.specification.name=Java Virtual Machine Specification, user.dir=/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A, java.runtime.version=1.8.0_171-b10, basedir=/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A, java.awt.graphicsenv=sun.awt.X11GraphicsEnvironment, java.endorsed.dirs=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/lib/endorsed, os.arch=i386, surefire.real.class.path=/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/surefire/surefirebooter8695429534331311209.jar, java.io.tmpdir=/tmp, line.separator=
    , java.vm.specification.vendor=Oracle Corporation, os.name=Linux, sun.jnu.encoding=ANSI_X3.4-1968, java.library.path=/usr/java/packages/lib/i386:/lib:/usr/lib, surefire.test.class.path=/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/test-classes:/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/classes:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-actuator/2.0.2.RELEASE/spring-boot-starter-actuator-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter/2.0.2.RELEASE/spring-boot-starter-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot/2.0.2.RELEASE/spring-boot-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-autoconfigure/2.0.2.RELEASE/spring-boot-autoconfigure-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-logging/2.0.2.RELEASE/spring-boot-starter-logging-2.0.2.RELEASE.jar:/root/.mvnrepository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/root/.mvnrepository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/root/.mvnrepository/org/apache/logging/log4j/log4j-to-slf4j/2.10.0/log4j-to-slf4j-2.10.0.jar:/root/.mvnrepository/org/apache/logging/log4j/log4j-api/2.10.0/log4j-api-2.10.0.jar:/root/.mvnrepository/org/slf4j/jul-to-slf4j/1.7.25/jul-to-slf4j-1.7.25.jar:/root/.mvnrepository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/root/.mvnrepository/org/yaml/snakeyaml/1.19/snakeyaml-1.19.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-actuator-autoconfigure/2.0.2.RELEASE/spring-boot-actuator-autoconfigure-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-actuator/2.0.2.RELEASE/spring-boot-actuator-2.0.2.RELEASE.jar:/root/.mvnrepository/com/fasterxml/jackson/core/jackson-databind/2.9.5/jackson-databind-2.9.5.jar:/root/.mvnrepository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/root/.mvnrepository/com/fasterxml/jackson/core/jackson-core/2.9.5/jackson-core-2.9.5.jar:/root/.mvnrepository/org/springframework/spring-context/5.0.6.RELEASE/spring-context-5.0.6.RELEASE.jar:/root/.mvnrepository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.5/jackson-datatype-jsr310-2.9.5.jar:/root/.mvnrepository/io/micrometer/micrometer-core/1.0.4/micrometer-core-1.0.4.jar:/root/.mvnrepository/org/hdrhistogram/HdrHistogram/2.1.10/HdrHistogram-2.1.10.jar:/root/.mvnrepository/org/latencyutils/LatencyUtils/2.0.3/LatencyUtils-2.0.3.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-web/2.0.2.RELEASE/spring-boot-starter-web-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-json/2.0.2.RELEASE/spring-boot-starter-json-2.0.2.RELEASE.jar:/root/.mvnrepository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.5/jackson-datatype-jdk8-2.9.5.jar:/root/.mvnrepository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.5/jackson-module-parameter-names-2.9.5.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-tomcat/2.0.2.RELEASE/spring-boot-starter-tomcat-2.0.2.RELEASE.jar:/root/.mvnrepository/org/apache/tomcat/embed/tomcat-embed-core/8.5.31/tomcat-embed-core-8.5.31.jar:/root/.mvnrepository/org/apache/tomcat/embed/tomcat-embed-el/8.5.31/tomcat-embed-el-8.5.31.jar:/root/.mvnrepository/org/apache/tomcat/embed/tomcat-embed-websocket/8.5.31/tomcat-embed-websocket-8.5.31.jar:/root/.mvnrepository/org/hibernate/validator/hibernate-validator/6.0.9.Final/hibernate-validator-6.0.9.Final.jar:/root/.mvnrepository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/root/.mvnrepository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/root/.mvnrepository/com/fasterxml/classmate/1.3.4/classmate-1.3.4.jar:/root/.mvnrepository/org/springframework/spring-web/5.0.6.RELEASE/spring-web-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-beans/5.0.6.RELEASE/spring-beans-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-webmvc/5.0.6.RELEASE/spring-webmvc-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-aop/5.0.6.RELEASE/spring-aop-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-expression/5.0.6.RELEASE/spring-expression-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-test/2.0.2.RELEASE/spring-boot-starter-test-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-test/2.0.2.RELEASE/spring-boot-test-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-test-autoconfigure/2.0.2.RELEASE/spring-boot-test-autoconfigure-2.0.2.RELEASE.jar:/root/.mvnrepository/com/jayway/jsonpath/json-path/2.4.0/json-path-2.4.0.jar:/root/.mvnrepository/net/minidev/json-smart/2.3/json-smart-2.3.jar:/root/.mvnrepository/net/minidev/accessors-smart/1.2/accessors-smart-1.2.jar:/root/.mvnrepository/org/ow2/asm/asm/5.0.4/asm-5.0.4.jar:/root/.mvnrepository/org/slf4j/slf4j-api/1.7.25/slf4j-api-1.7.25.jar:/root/.mvnrepository/junit/junit/4.12/junit-4.12.jar:/root/.mvnrepository/org/assertj/assertj-core/3.9.1/assertj-core-3.9.1.jar:/root/.mvnrepository/org/mockito/mockito-core/2.15.0/mockito-core-2.15.0.jar:/root/.mvnrepository/net/bytebuddy/byte-buddy/1.7.11/byte-buddy-1.7.11.jar:/root/.mvnrepository/net/bytebuddy/byte-buddy-agent/1.7.11/byte-buddy-agent-1.7.11.jar:/root/.mvnrepository/org/objenesis/objenesis/2.6/objenesis-2.6.jar:/root/.mvnrepository/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar:/root/.mvnrepository/org/hamcrest/hamcrest-library/1.3/hamcrest-library-1.3.jar:/root/.mvnrepository/org/skyscreamer/jsonassert/1.5.0/jsonassert-1.5.0.jar:/root/.mvnrepository/com/vaadin/external/google/android-json/0.0.20131108.vaadin1/android-json-0.0.20131108.vaadin1.jar:/root/.mvnrepository/org/springframework/spring-core/5.0.6.RELEASE/spring-core-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-jcl/5.0.6.RELEASE/spring-jcl-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-test/5.0.6.RELEASE/spring-test-5.0.6.RELEASE.jar:/root/.mvnrepository/org/xmlunit/xmlunit-core/2.5.1/xmlunit-core-2.5.1.jar:, java.specification.name=Java Platform API Specification, java.class.version=52.0, sun.management.compiler=HotSpot Tiered Compilers, os.version=4.4.111+, user.home=/root, user.timezone=UTC, java.awt.printerjob=sun.print.PSPrinterJob, file.encoding=ANSI_X3.4-1968, java.specification.version=1.8, java.class.path=/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/test-classes:/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/classes:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-actuator/2.0.2.RELEASE/spring-boot-starter-actuator-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter/2.0.2.RELEASE/spring-boot-starter-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot/2.0.2.RELEASE/spring-boot-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-autoconfigure/2.0.2.RELEASE/spring-boot-autoconfigure-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-logging/2.0.2.RELEASE/spring-boot-starter-logging-2.0.2.RELEASE.jar:/root/.mvnrepository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/root/.mvnrepository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/root/.mvnrepository/org/apache/logging/log4j/log4j-to-slf4j/2.10.0/log4j-to-slf4j-2.10.0.jar:/root/.mvnrepository/org/apache/logging/log4j/log4j-api/2.10.0/log4j-api-2.10.0.jar:/root/.mvnrepository/org/slf4j/jul-to-slf4j/1.7.25/jul-to-slf4j-1.7.25.jar:/root/.mvnrepository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/root/.mvnrepository/org/yaml/snakeyaml/1.19/snakeyaml-1.19.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-actuator-autoconfigure/2.0.2.RELEASE/spring-boot-actuator-autoconfigure-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-actuator/2.0.2.RELEASE/spring-boot-actuator-2.0.2.RELEASE.jar:/root/.mvnrepository/com/fasterxml/jackson/core/jackson-databind/2.9.5/jackson-databind-2.9.5.jar:/root/.mvnrepository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/root/.mvnrepository/com/fasterxml/jackson/core/jackson-core/2.9.5/jackson-core-2.9.5.jar:/root/.mvnrepository/org/springframework/spring-context/5.0.6.RELEASE/spring-context-5.0.6.RELEASE.jar:/root/.mvnrepository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.5/jackson-datatype-jsr310-2.9.5.jar:/root/.mvnrepository/io/micrometer/micrometer-core/1.0.4/micrometer-core-1.0.4.jar:/root/.mvnrepository/org/hdrhistogram/HdrHistogram/2.1.10/HdrHistogram-2.1.10.jar:/root/.mvnrepository/org/latencyutils/LatencyUtils/2.0.3/LatencyUtils-2.0.3.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-web/2.0.2.RELEASE/spring-boot-starter-web-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-json/2.0.2.RELEASE/spring-boot-starter-json-2.0.2.RELEASE.jar:/root/.mvnrepository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.5/jackson-datatype-jdk8-2.9.5.jar:/root/.mvnrepository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.5/jackson-module-parameter-names-2.9.5.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-tomcat/2.0.2.RELEASE/spring-boot-starter-tomcat-2.0.2.RELEASE.jar:/root/.mvnrepository/org/apache/tomcat/embed/tomcat-embed-core/8.5.31/tomcat-embed-core-8.5.31.jar:/root/.mvnrepository/org/apache/tomcat/embed/tomcat-embed-el/8.5.31/tomcat-embed-el-8.5.31.jar:/root/.mvnrepository/org/apache/tomcat/embed/tomcat-embed-websocket/8.5.31/tomcat-embed-websocket-8.5.31.jar:/root/.mvnrepository/org/hibernate/validator/hibernate-validator/6.0.9.Final/hibernate-validator-6.0.9.Final.jar:/root/.mvnrepository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/root/.mvnrepository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/root/.mvnrepository/com/fasterxml/classmate/1.3.4/classmate-1.3.4.jar:/root/.mvnrepository/org/springframework/spring-web/5.0.6.RELEASE/spring-web-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-beans/5.0.6.RELEASE/spring-beans-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-webmvc/5.0.6.RELEASE/spring-webmvc-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-aop/5.0.6.RELEASE/spring-aop-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-expression/5.0.6.RELEASE/spring-expression-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-test/2.0.2.RELEASE/spring-boot-starter-test-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-test/2.0.2.RELEASE/spring-boot-test-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-test-autoconfigure/2.0.2.RELEASE/spring-boot-test-autoconfigure-2.0.2.RELEASE.jar:/root/.mvnrepository/com/jayway/jsonpath/json-path/2.4.0/json-path-2.4.0.jar:/root/.mvnrepository/net/minidev/json-smart/2.3/json-smart-2.3.jar:/root/.mvnrepository/net/minidev/accessors-smart/1.2/accessors-smart-1.2.jar:/root/.mvnrepository/org/ow2/asm/asm/5.0.4/asm-5.0.4.jar:/root/.mvnrepository/org/slf4j/slf4j-api/1.7.25/slf4j-api-1.7.25.jar:/root/.mvnrepository/junit/junit/4.12/junit-4.12.jar:/root/.mvnrepository/org/assertj/assertj-core/3.9.1/assertj-core-3.9.1.jar:/root/.mvnrepository/org/mockito/mockito-core/2.15.0/mockito-core-2.15.0.jar:/root/.mvnrepository/net/bytebuddy/byte-buddy/1.7.11/byte-buddy-1.7.11.jar:/root/.mvnrepository/net/bytebuddy/byte-buddy-agent/1.7.11/byte-buddy-agent-1.7.11.jar:/root/.mvnrepository/org/objenesis/objenesis/2.6/objenesis-2.6.jar:/root/.mvnrepository/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar:/root/.mvnrepository/org/hamcrest/hamcrest-library/1.3/hamcrest-library-1.3.jar:/root/.mvnrepository/org/skyscreamer/jsonassert/1.5.0/jsonassert-1.5.0.jar:/root/.mvnrepository/com/vaadin/external/google/android-json/0.0.20131108.vaadin1/android-json-0.0.20131108.vaadin1.jar:/root/.mvnrepository/org/springframework/spring-core/5.0.6.RELEASE/spring-core-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-jcl/5.0.6.RELEASE/spring-jcl-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-test/5.0.6.RELEASE/spring-test-5.0.6.RELEASE.jar:/root/.mvnrepository/org/xmlunit/xmlunit-core/2.5.1/xmlunit-core-2.5.1.jar:, user.name=root, java.vm.specification.version=1.8, sun.java.command=/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/surefire/surefirebooter8695429534331311209.jar /home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/surefire 2018-06-08T09-26-57_236-jvmRun1 surefire4328980770760480765tmp surefire_02400531796289035372tmp, java.home=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre, sun.arch.data.model=32, user.language=en, java.specification.vendor=Oracle Corporation, awt.toolkit=sun.awt.X11.XToolkit, java.vm.info=mixed mode, java.version=1.8.0_171, java.ext.dirs=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/lib/ext:/usr/java/packages/lib/ext, sun.boot.class.path=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/lib/resources.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/lib/rt.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/lib/sunrsasign.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/lib/jsse.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/lib/jce.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/lib/charsets.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/lib/jfr.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/classes, java.vendor=Oracle Corporation, localRepository=/root/.mvnrepository, file.separator=/, java.vendor.url.bug=http://bugreport.sun.com/bugreport/, sun.io.unicode.encoding=UnicodeLittle, sun.cpu.endian=little, sun.cpu.isalist=}}, SystemEnvironmentPropertySource@31556208 {name='systemEnvironment', properties={PATH=/opt/apache-maven-3.3.9/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/google-cloud-sdk/bin:/opt/google/chrome, JENKINS_X_MONOCULAR_UI_PORT_80_TCP_PROTO=tcp, JENKINS_X_MONOCULAR_API_PORT_80_TCP_PORT=80, RUN_DISPLAY_URL=http://unconfigured-jenkins-location/job/grohan2002/job/demo08/job/master/1/display/redirect, HUDSON_HOME=/var/jenkins_home, JENKINS_X_MONOCULAR_UI_PORT=tcp://10.59.242.187:80, RUN_CHANGES_DISPLAY_URL=http://unconfigured-jenkins-location/job/grohan2002/job/demo08/job/master/1/display/redirect?page=changes, APP_NAME=demo08, JENKINS_X_MONOCULAR_PRERENDER_PORT=tcp://10.59.255.226:80, JENKINS_NODE_COOKIE=1e8ba60b-b92c-4c51-a0b3-2db62a36b930, JENKINS_X_MONOCULAR_PRERENDER_PORT_80_TCP_PORT=80, JENKINS_X_MONOCULAR_PRERENDER_PORT_80_TCP_PROTO=tcp, CHARTMUSEUM_CREDS_PSW=****, JENKINS_X_MONGODB_PORT_27017_TCP_PROTO=tcp, JENKINS_X_MONOCULAR_PRERENDER_SERVICE_HOST=10.59.255.226, JENKINS_AGENT_SERVICE_PORT=50000, JENKINS_SERVER_COOKIE=durable-0175af514c7fda992d16faace609e600, PWD=/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A, JENKINS_URL=http://jenkins:8080, JENKINS_SECRET=0ce10b8d424d8d0f21232f7289fd3fbfd8dc7992708d64922c0cbfe468664f47, GIT_AUTHOR_EMAIL=jenkins-x@googlegroups.com, JENKINS_SERVICE_HOST=10.59.252.154, maven.home=/opt/apache-maven-3.3.9, STAGE_NAME=Build Release, JENKINS_X_CHARTMUSEUM_SERVICE_PORT_JENKINS_X=8080, JENKINS_X_MONOCULAR_UI_PORT_80_TCP_ADDR=10.59.242.187, JENKINS_AGENT_SERVICE_HOST=10.59.242.200, JENKINS_PORT_8080_TCP=tcp://10.59.252.154:8080, GIT_AUTHOR_NAME=jenkins-x-bot, JENKINS_HOME=/var/jenkins_home, NODE_NAME=maven-0tbjd, BUILD_DISPLAY_NAME=#1, JENKINS_X_MONOCULAR_UI_SERVICE_PORT_MONOCULAR_UI=80, JENKINS_X_MONGODB_PORT_27017_TCP=tcp://10.59.243.233:27017, JENKINS_PORT_8080_TCP_PORT=8080, KUBERNETES_SERVICE_PORT_HTTPS=443, JENKINS_AGENT_SERVICE_PORT_SLAVELISTENER=50000, SHLVL=4, JENKINS_PORT=tcp://10.59.252.154:8080, JX_RELEASE_VERSION=1.0.10, KUBERNETES_PORT=tcp://10.59.240.1:443, DOCKER_VERSION=17.12.0, JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386, JENKINS_AGENT_PORT_50000_TCP_PROTO=tcp, NEXUS_PORT_80_TCP_ADDR=10.59.240.56, NEXUS_PORT=tcp://10.59.240.56:80, JENKINS_X_CHARTMUSEUM_PORT=tcp://10.59.247.18:8080, JENKINS_PORT_8080_TCP_PROTO=tcp, JENKINS_PORT_8080_TCP_ADDR=10.59.252.154, NEXUS_PORT_80_TCP=tcp://10.59.240.56:80, NEXUS_SERVICE_PORT=80, GCLOUD_VERSION=187.0.0, WORKSPACE=/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A, JENKINS_X_MONGODB_SERVICE_HOST=10.59.243.233, JENKINS_NAME=maven-0tbjd, JENKINS_X_DOCKER_REGISTRY_PORT=tcp://10.59.251.152:5000, _=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/bin/java, SKAFFOLD_VERSION=0.4.0, GIT_COMMIT=efc077e94f0b7820ee4a626bd921e5da208ecf8a, KUBERNETES_PORT_443_TCP_ADDR=10.59.240.1, NEXUS_SERVICE_HOST=10.59.240.56, 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KUBERNETES_PORT_443_TCP_PORT=443, BRANCH_NAME=master, HOME=/home/jenkins}}]
    09:27:00.748 [main] DEBUG org.springframework.core.io.support.PathMatchingResourcePatternResolver - Resolved classpath location [com/example/demo08/] to resources [URL [file:/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/test-classes/com/example/demo08/], URL [file:/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/classes/com/example/demo08/]]
    09:27:00.748 [main] DEBUG org.springframework.core.io.support.PathMatchingResourcePatternResolver - Looking for matching resources in directory tree [/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/test-classes/com/example/demo08]
    09:27:00.749 [main] DEBUG org.springframework.core.io.support.PathMatchingResourcePatternResolver - Searching directory [/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/test-classes/com/example/demo08] for files matching pattern [/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/test-classes/com/example/demo08/*.class]
    09:27:00.754 [main] DEBUG org.springframework.core.io.support.PathMatchingResourcePatternResolver - Looking for matching resources in directory tree [/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/classes/com/example/demo08]
    09:27:00.754 [main] DEBUG org.springframework.core.io.support.PathMatchingResourcePatternResolver - Searching directory [/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/classes/com/example/demo08] for files matching pattern [/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/classes/com/example/demo08/*.class]
    09:27:00.754 [main] DEBUG org.springframework.core.io.support.PathMatchingResourcePatternResolver - Resolved location pattern [classpath*:com/example/demo08/*.class] to resources [file [/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/test-classes/com/example/demo08/DemoApplicationTests.class], file [/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/classes/com/example/demo08/DemoApplication.class]]
    09:27:00.935 [main] DEBUG org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider - Identified candidate component class: file [/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/classes/com/example/demo08/DemoApplication.class]
    09:27:00.937 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Found @SpringBootConfiguration com.example.demo08.DemoApplication for test class com.example.demo08.DemoApplicationTests
    09:27:01.351 [main] DEBUG org.springframework.boot.test.context.SpringBootTestContextBootstrapper - @TestExecutionListeners is not present for class [com.example.demo08.DemoApplicationTests]: using defaults.
    09:27:01.352 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Loaded default TestExecutionListener class names from location [META-INF/spring.factories]: [org.springframework.boot.test.mock.mockito.MockitoTestExecutionListener, org.springframework.boot.test.mock.mockito.ResetMocksTestExecutionListener, org.springframework.boot.test.autoconfigure.restdocs.RestDocsTestExecutionListener, org.springframework.boot.test.autoconfigure.web.client.MockRestServiceServerResetTestExecutionListener, org.springframework.boot.test.autoconfigure.web.servlet.MockMvcPrintOnlyOnFailureTestExecutionListener, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverTestExecutionListener, org.springframework.test.context.web.ServletTestExecutionListener, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener, org.springframework.test.context.support.DependencyInjectionTestExecutionListener, org.springframework.test.context.support.DirtiesContextTestExecutionListener, org.springframework.test.context.transaction.TransactionalTestExecutionListener, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener]
    09:27:01.425 [main] DEBUG org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Skipping candidate TestExecutionListener [org.springframework.test.context.transaction.TransactionalTestExecutionListener] due to a missing dependency. Specify custom listener classes or make the default listener classes and their required dependencies available. Offending class: [org/springframework/transaction/TransactionDefinition]
    09:27:01.426 [main] DEBUG org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Skipping candidate TestExecutionListener [org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener] due to a missing dependency. Specify custom listener classes or make the default listener classes and their required dependencies available. Offending class: [org/springframework/transaction/interceptor/TransactionAttribute]
    09:27:01.427 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Using TestExecutionListeners: [org.springframework.test.context.web.ServletTestExecutionListener@5f66e3, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener@23df74, org.springframework.boot.test.mock.mockito.MockitoTestExecutionListener@13ac989, org.springframework.boot.test.autoconfigure.SpringBootDependencyInjectionTestExecutionListener@162e04d, org.springframework.test.context.support.DirtiesContextTestExecutionListener@65fe7c, org.springframework.boot.test.mock.mockito.ResetMocksTestExecutionListener@135c3b, org.springframework.boot.test.autoconfigure.restdocs.RestDocsTestExecutionListener@102bbb1, org.springframework.boot.test.autoconfigure.web.client.MockRestServiceServerResetTestExecutionListener@1304f14, org.springframework.boot.test.autoconfigure.web.servlet.MockMvcPrintOnlyOnFailureTestExecutionListener@a3d150, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverTestExecutionListener@4fb17b]
    09:27:01.430 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved @ProfileValueSourceConfiguration [null] for test class [com.example.demo08.DemoApplicationTests]
    09:27:01.431 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved ProfileValueSource type [class org.springframework.test.annotation.SystemProfileValueSource] for class [com.example.demo08.DemoApplicationTests]
    09:27:01.432 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved @ProfileValueSourceConfiguration [null] for test class [com.example.demo08.DemoApplicationTests]
    09:27:01.433 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved ProfileValueSource type [class org.springframework.test.annotation.SystemProfileValueSource] for class [com.example.demo08.DemoApplicationTests]
    09:27:01.435 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved @ProfileValueSourceConfiguration [null] for test class [com.example.demo08.DemoApplicationTests]
    09:27:01.436 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved ProfileValueSource type [class org.springframework.test.annotation.SystemProfileValueSource] for class [com.example.demo08.DemoApplicationTests]
    09:27:01.440 [main] DEBUG org.springframework.test.context.support.AbstractDirtiesContextTestExecutionListener - Before test class: context [DefaultTestContext@190fc5b testClass = DemoApplicationTests, testInstance = [null], testMethod = [null], testException = [null], mergedContextConfiguration = [WebMergedContextConfiguration@197fbdb testClass = DemoApplicationTests, locations = '{}', classes = '{class com.example.demo08.DemoApplication}', contextInitializerClasses = '[]', activeProfiles = '{}', propertySourceLocations = '{}', propertySourceProperties = '{org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true}', contextCustomizers = set[org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@1f99a05, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@a3e297, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0, org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer@1723e30, org.springframework.boot.test.autoconfigure.properties.PropertyMappingContextCustomizer@0, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverContextCustomizerFactory$Customizer@16e2f39], resourceBasePath = 'src/main/webapp', contextLoader = 'org.springframework.boot.test.context.SpringBootContextLoader', parent = [null]], attributes = map['org.springframework.test.context.web.ServletTestExecutionListener.activateListener' -> true]], class annotated with @DirtiesContext [false] with mode [null].
    09:27:01.441 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved @ProfileValueSourceConfiguration [null] for test class [com.example.demo08.DemoApplicationTests]
    09:27:01.442 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved ProfileValueSource type [class org.springframework.test.annotation.SystemProfileValueSource] for class [com.example.demo08.DemoApplicationTests]
    09:27:01.538 [main] DEBUG org.springframework.core.env.StandardEnvironment - Adding PropertySource 'systemProperties' with lowest search precedence
    09:27:01.539 [main] DEBUG org.springframework.core.env.StandardEnvironment - Adding PropertySource 'systemEnvironment' with lowest search precedence
    09:27:01.542 [main] DEBUG org.springframework.core.env.StandardEnvironment - Initialized StandardEnvironment with PropertySources [MapPropertySource@25913137 {name='systemProperties', properties={java.runtime.name=OpenJDK Runtime Environment, sun.boot.library.path=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/lib/i386, java.vm.version=25.171-b10, java.vm.vendor=Oracle Corporation, java.vendor.url=http://java.oracle.com/, path.separator=:, java.vm.name=OpenJDK Server VM, file.encoding.pkg=sun.io, user.country=US, sun.java.launcher=SUN_STANDARD, sun.os.patch.level=unknown, java.vm.specification.name=Java Virtual Machine Specification, user.dir=/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A, java.runtime.version=1.8.0_171-b10, basedir=/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A, java.awt.graphicsenv=sun.awt.X11GraphicsEnvironment, java.endorsed.dirs=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/lib/endorsed, os.arch=i386, surefire.real.class.path=/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/surefire/surefirebooter8695429534331311209.jar, java.io.tmpdir=/tmp, line.separator=
    , java.vm.specification.vendor=Oracle Corporation, os.name=Linux, sun.jnu.encoding=ANSI_X3.4-1968, java.library.path=/usr/java/packages/lib/i386:/lib:/usr/lib, surefire.test.class.path=/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/test-classes:/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/classes:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-actuator/2.0.2.RELEASE/spring-boot-starter-actuator-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter/2.0.2.RELEASE/spring-boot-starter-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot/2.0.2.RELEASE/spring-boot-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-autoconfigure/2.0.2.RELEASE/spring-boot-autoconfigure-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-logging/2.0.2.RELEASE/spring-boot-starter-logging-2.0.2.RELEASE.jar:/root/.mvnrepository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/root/.mvnrepository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/root/.mvnrepository/org/apache/logging/log4j/log4j-to-slf4j/2.10.0/log4j-to-slf4j-2.10.0.jar:/root/.mvnrepository/org/apache/logging/log4j/log4j-api/2.10.0/log4j-api-2.10.0.jar:/root/.mvnrepository/org/slf4j/jul-to-slf4j/1.7.25/jul-to-slf4j-1.7.25.jar:/root/.mvnrepository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/root/.mvnrepository/org/yaml/snakeyaml/1.19/snakeyaml-1.19.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-actuator-autoconfigure/2.0.2.RELEASE/spring-boot-actuator-autoconfigure-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-actuator/2.0.2.RELEASE/spring-boot-actuator-2.0.2.RELEASE.jar:/root/.mvnrepository/com/fasterxml/jackson/core/jackson-databind/2.9.5/jackson-databind-2.9.5.jar:/root/.mvnrepository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/root/.mvnrepository/com/fasterxml/jackson/core/jackson-core/2.9.5/jackson-core-2.9.5.jar:/root/.mvnrepository/org/springframework/spring-context/5.0.6.RELEASE/spring-context-5.0.6.RELEASE.jar:/root/.mvnrepository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.5/jackson-datatype-jsr310-2.9.5.jar:/root/.mvnrepository/io/micrometer/micrometer-core/1.0.4/micrometer-core-1.0.4.jar:/root/.mvnrepository/org/hdrhistogram/HdrHistogram/2.1.10/HdrHistogram-2.1.10.jar:/root/.mvnrepository/org/latencyutils/LatencyUtils/2.0.3/LatencyUtils-2.0.3.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-web/2.0.2.RELEASE/spring-boot-starter-web-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-json/2.0.2.RELEASE/spring-boot-starter-json-2.0.2.RELEASE.jar:/root/.mvnrepository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.5/jackson-datatype-jdk8-2.9.5.jar:/root/.mvnrepository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.5/jackson-module-parameter-names-2.9.5.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-tomcat/2.0.2.RELEASE/spring-boot-starter-tomcat-2.0.2.RELEASE.jar:/root/.mvnrepository/org/apache/tomcat/embed/tomcat-embed-core/8.5.31/tomcat-embed-core-8.5.31.jar:/root/.mvnrepository/org/apache/tomcat/embed/tomcat-embed-el/8.5.31/tomcat-embed-el-8.5.31.jar:/root/.mvnrepository/org/apache/tomcat/embed/tomcat-embed-websocket/8.5.31/tomcat-embed-websocket-8.5.31.jar:/root/.mvnrepository/org/hibernate/validator/hibernate-validator/6.0.9.Final/hibernate-validator-6.0.9.Final.jar:/root/.mvnrepository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/root/.mvnrepository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/root/.mvnrepository/com/fasterxml/classmate/1.3.4/classmate-1.3.4.jar:/root/.mvnrepository/org/springframework/spring-web/5.0.6.RELEASE/spring-web-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-beans/5.0.6.RELEASE/spring-beans-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-webmvc/5.0.6.RELEASE/spring-webmvc-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-aop/5.0.6.RELEASE/spring-aop-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-expression/5.0.6.RELEASE/spring-expression-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-test/2.0.2.RELEASE/spring-boot-starter-test-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-test/2.0.2.RELEASE/spring-boot-test-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-test-autoconfigure/2.0.2.RELEASE/spring-boot-test-autoconfigure-2.0.2.RELEASE.jar:/root/.mvnrepository/com/jayway/jsonpath/json-path/2.4.0/json-path-2.4.0.jar:/root/.mvnrepository/net/minidev/json-smart/2.3/json-smart-2.3.jar:/root/.mvnrepository/net/minidev/accessors-smart/1.2/accessors-smart-1.2.jar:/root/.mvnrepository/org/ow2/asm/asm/5.0.4/asm-5.0.4.jar:/root/.mvnrepository/org/slf4j/slf4j-api/1.7.25/slf4j-api-1.7.25.jar:/root/.mvnrepository/junit/junit/4.12/junit-4.12.jar:/root/.mvnrepository/org/assertj/assertj-core/3.9.1/assertj-core-3.9.1.jar:/root/.mvnrepository/org/mockito/mockito-core/2.15.0/mockito-core-2.15.0.jar:/root/.mvnrepository/net/bytebuddy/byte-buddy/1.7.11/byte-buddy-1.7.11.jar:/root/.mvnrepository/net/bytebuddy/byte-buddy-agent/1.7.11/byte-buddy-agent-1.7.11.jar:/root/.mvnrepository/org/objenesis/objenesis/2.6/objenesis-2.6.jar:/root/.mvnrepository/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar:/root/.mvnrepository/org/hamcrest/hamcrest-library/1.3/hamcrest-library-1.3.jar:/root/.mvnrepository/org/skyscreamer/jsonassert/1.5.0/jsonassert-1.5.0.jar:/root/.mvnrepository/com/vaadin/external/google/android-json/0.0.20131108.vaadin1/android-json-0.0.20131108.vaadin1.jar:/root/.mvnrepository/org/springframework/spring-core/5.0.6.RELEASE/spring-core-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-jcl/5.0.6.RELEASE/spring-jcl-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-test/5.0.6.RELEASE/spring-test-5.0.6.RELEASE.jar:/root/.mvnrepository/org/xmlunit/xmlunit-core/2.5.1/xmlunit-core-2.5.1.jar:, java.specification.name=Java Platform API Specification, java.class.version=52.0, sun.management.compiler=HotSpot Tiered Compilers, os.version=4.4.111+, user.home=/root, user.timezone=UTC, java.awt.printerjob=sun.print.PSPrinterJob, file.encoding=ANSI_X3.4-1968, java.specification.version=1.8, java.class.path=/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/test-classes:/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/classes:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-actuator/2.0.2.RELEASE/spring-boot-starter-actuator-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter/2.0.2.RELEASE/spring-boot-starter-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot/2.0.2.RELEASE/spring-boot-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-autoconfigure/2.0.2.RELEASE/spring-boot-autoconfigure-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-logging/2.0.2.RELEASE/spring-boot-starter-logging-2.0.2.RELEASE.jar:/root/.mvnrepository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/root/.mvnrepository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/root/.mvnrepository/org/apache/logging/log4j/log4j-to-slf4j/2.10.0/log4j-to-slf4j-2.10.0.jar:/root/.mvnrepository/org/apache/logging/log4j/log4j-api/2.10.0/log4j-api-2.10.0.jar:/root/.mvnrepository/org/slf4j/jul-to-slf4j/1.7.25/jul-to-slf4j-1.7.25.jar:/root/.mvnrepository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/root/.mvnrepository/org/yaml/snakeyaml/1.19/snakeyaml-1.19.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-actuator-autoconfigure/2.0.2.RELEASE/spring-boot-actuator-autoconfigure-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-actuator/2.0.2.RELEASE/spring-boot-actuator-2.0.2.RELEASE.jar:/root/.mvnrepository/com/fasterxml/jackson/core/jackson-databind/2.9.5/jackson-databind-2.9.5.jar:/root/.mvnrepository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/root/.mvnrepository/com/fasterxml/jackson/core/jackson-core/2.9.5/jackson-core-2.9.5.jar:/root/.mvnrepository/org/springframework/spring-context/5.0.6.RELEASE/spring-context-5.0.6.RELEASE.jar:/root/.mvnrepository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.5/jackson-datatype-jsr310-2.9.5.jar:/root/.mvnrepository/io/micrometer/micrometer-core/1.0.4/micrometer-core-1.0.4.jar:/root/.mvnrepository/org/hdrhistogram/HdrHistogram/2.1.10/HdrHistogram-2.1.10.jar:/root/.mvnrepository/org/latencyutils/LatencyUtils/2.0.3/LatencyUtils-2.0.3.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-web/2.0.2.RELEASE/spring-boot-starter-web-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-json/2.0.2.RELEASE/spring-boot-starter-json-2.0.2.RELEASE.jar:/root/.mvnrepository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.5/jackson-datatype-jdk8-2.9.5.jar:/root/.mvnrepository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.5/jackson-module-parameter-names-2.9.5.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-tomcat/2.0.2.RELEASE/spring-boot-starter-tomcat-2.0.2.RELEASE.jar:/root/.mvnrepository/org/apache/tomcat/embed/tomcat-embed-core/8.5.31/tomcat-embed-core-8.5.31.jar:/root/.mvnrepository/org/apache/tomcat/embed/tomcat-embed-el/8.5.31/tomcat-embed-el-8.5.31.jar:/root/.mvnrepository/org/apache/tomcat/embed/tomcat-embed-websocket/8.5.31/tomcat-embed-websocket-8.5.31.jar:/root/.mvnrepository/org/hibernate/validator/hibernate-validator/6.0.9.Final/hibernate-validator-6.0.9.Final.jar:/root/.mvnrepository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/root/.mvnrepository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/root/.mvnrepository/com/fasterxml/classmate/1.3.4/classmate-1.3.4.jar:/root/.mvnrepository/org/springframework/spring-web/5.0.6.RELEASE/spring-web-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-beans/5.0.6.RELEASE/spring-beans-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-webmvc/5.0.6.RELEASE/spring-webmvc-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-aop/5.0.6.RELEASE/spring-aop-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-expression/5.0.6.RELEASE/spring-expression-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-starter-test/2.0.2.RELEASE/spring-boot-starter-test-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-test/2.0.2.RELEASE/spring-boot-test-2.0.2.RELEASE.jar:/root/.mvnrepository/org/springframework/boot/spring-boot-test-autoconfigure/2.0.2.RELEASE/spring-boot-test-autoconfigure-2.0.2.RELEASE.jar:/root/.mvnrepository/com/jayway/jsonpath/json-path/2.4.0/json-path-2.4.0.jar:/root/.mvnrepository/net/minidev/json-smart/2.3/json-smart-2.3.jar:/root/.mvnrepository/net/minidev/accessors-smart/1.2/accessors-smart-1.2.jar:/root/.mvnrepository/org/ow2/asm/asm/5.0.4/asm-5.0.4.jar:/root/.mvnrepository/org/slf4j/slf4j-api/1.7.25/slf4j-api-1.7.25.jar:/root/.mvnrepository/junit/junit/4.12/junit-4.12.jar:/root/.mvnrepository/org/assertj/assertj-core/3.9.1/assertj-core-3.9.1.jar:/root/.mvnrepository/org/mockito/mockito-core/2.15.0/mockito-core-2.15.0.jar:/root/.mvnrepository/net/bytebuddy/byte-buddy/1.7.11/byte-buddy-1.7.11.jar:/root/.mvnrepository/net/bytebuddy/byte-buddy-agent/1.7.11/byte-buddy-agent-1.7.11.jar:/root/.mvnrepository/org/objenesis/objenesis/2.6/objenesis-2.6.jar:/root/.mvnrepository/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar:/root/.mvnrepository/org/hamcrest/hamcrest-library/1.3/hamcrest-library-1.3.jar:/root/.mvnrepository/org/skyscreamer/jsonassert/1.5.0/jsonassert-1.5.0.jar:/root/.mvnrepository/com/vaadin/external/google/android-json/0.0.20131108.vaadin1/android-json-0.0.20131108.vaadin1.jar:/root/.mvnrepository/org/springframework/spring-core/5.0.6.RELEASE/spring-core-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-jcl/5.0.6.RELEASE/spring-jcl-5.0.6.RELEASE.jar:/root/.mvnrepository/org/springframework/spring-test/5.0.6.RELEASE/spring-test-5.0.6.RELEASE.jar:/root/.mvnrepository/org/xmlunit/xmlunit-core/2.5.1/xmlunit-core-2.5.1.jar:, user.name=root, java.vm.specification.version=1.8, sun.java.command=/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/surefire/surefirebooter8695429534331311209.jar /home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/target/surefire 2018-06-08T09-26-57_236-jvmRun1 surefire4328980770760480765tmp surefire_02400531796289035372tmp, java.home=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre, sun.arch.data.model=32, user.language=en, java.specification.vendor=Oracle Corporation, awt.toolkit=sun.awt.X11.XToolkit, java.vm.info=mixed mode, java.version=1.8.0_171, java.ext.dirs=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/lib/ext:/usr/java/packages/lib/ext, sun.boot.class.path=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/lib/resources.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/lib/rt.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/lib/sunrsasign.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/lib/jsse.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/lib/jce.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/lib/charsets.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/lib/jfr.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/classes, java.vendor=Oracle Corporation, localRepository=/root/.mvnrepository, file.separator=/, java.vendor.url.bug=http://bugreport.sun.com/bugreport/, sun.io.unicode.encoding=UnicodeLittle, sun.cpu.endian=little, sun.cpu.isalist=}}, SystemEnvironmentPropertySource@6883543 {name='systemEnvironment', properties={PATH=/opt/apache-maven-3.3.9/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/google-cloud-sdk/bin:/opt/google/chrome, JENKINS_X_MONOCULAR_UI_PORT_80_TCP_PROTO=tcp, JENKINS_X_MONOCULAR_API_PORT_80_TCP_PORT=80, RUN_DISPLAY_URL=http://unconfigured-jenkins-location/job/grohan2002/job/demo08/job/master/1/display/redirect, HUDSON_HOME=/var/jenkins_home, JENKINS_X_MONOCULAR_UI_PORT=tcp://10.59.242.187:80, RUN_CHANGES_DISPLAY_URL=http://unconfigured-jenkins-location/job/grohan2002/job/demo08/job/master/1/display/redirect?page=changes, APP_NAME=demo08, JENKINS_X_MONOCULAR_PRERENDER_PORT=tcp://10.59.255.226:80, JENKINS_NODE_COOKIE=1e8ba60b-b92c-4c51-a0b3-2db62a36b930, JENKINS_X_MONOCULAR_PRERENDER_PORT_80_TCP_PORT=80, JENKINS_X_MONOCULAR_PRERENDER_PORT_80_TCP_PROTO=tcp, CHARTMUSEUM_CREDS_PSW=****, JENKINS_X_MONGODB_PORT_27017_TCP_PROTO=tcp, JENKINS_X_MONOCULAR_PRERENDER_SERVICE_HOST=10.59.255.226, JENKINS_AGENT_SERVICE_PORT=50000, JENKINS_SERVER_COOKIE=durable-0175af514c7fda992d16faace609e600, PWD=/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A, JENKINS_URL=http://jenkins:8080, JENKINS_SECRET=0ce10b8d424d8d0f21232f7289fd3fbfd8dc7992708d64922c0cbfe468664f47, GIT_AUTHOR_EMAIL=jenkins-x@googlegroups.com, JENKINS_SERVICE_HOST=10.59.252.154, maven.home=/opt/apache-maven-3.3.9, STAGE_NAME=Build Release, JENKINS_X_CHARTMUSEUM_SERVICE_PORT_JENKINS_X=8080, JENKINS_X_MONOCULAR_UI_PORT_80_TCP_ADDR=10.59.242.187, JENKINS_AGENT_SERVICE_HOST=10.59.242.200, JENKINS_PORT_8080_TCP=tcp://10.59.252.154:8080, GIT_AUTHOR_NAME=jenkins-x-bot, JENKINS_HOME=/var/jenkins_home, NODE_NAME=maven-0tbjd, BUILD_DISPLAY_NAME=#1, JENKINS_X_MONOCULAR_UI_SERVICE_PORT_MONOCULAR_UI=80, JENKINS_X_MONGODB_PORT_27017_TCP=tcp://10.59.243.233:27017, JENKINS_PORT_8080_TCP_PORT=8080, KUBERNETES_SERVICE_PORT_HTTPS=443, JENKINS_AGENT_SERVICE_PORT_SLAVELISTENER=50000, SHLVL=4, JENKINS_PORT=tcp://10.59.252.154:8080, JX_RELEASE_VERSION=1.0.10, KUBERNETES_PORT=tcp://10.59.240.1:443, DOCKER_VERSION=17.12.0, JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386, JENKINS_AGENT_PORT_50000_TCP_PROTO=tcp, NEXUS_PORT_80_TCP_ADDR=10.59.240.56, NEXUS_PORT=tcp://10.59.240.56:80, JENKINS_X_CHARTMUSEUM_PORT=tcp://10.59.247.18:8080, JENKINS_PORT_8080_TCP_PROTO=tcp, JENKINS_PORT_8080_TCP_ADDR=10.59.252.154, NEXUS_PORT_80_TCP=tcp://10.59.240.56:80, NEXUS_SERVICE_PORT=80, GCLOUD_VERSION=187.0.0, WORKSPACE=/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A, JENKINS_X_MONGODB_SERVICE_HOST=10.59.243.233, JENKINS_NAME=maven-0tbjd, JENKINS_X_DOCKER_REGISTRY_PORT=tcp://10.59.251.152:5000, _=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.i386/jre/bin/java, SKAFFOLD_VERSION=0.4.0, GIT_COMMIT=efc077e94f0b7820ee4a626bd921e5da208ecf8a, KUBERNETES_PORT_443_TCP_ADDR=10.59.240.1, NEXUS_SERVICE_HOST=10.59.240.56, KUBERNETES_PORT_443_TCP_PROTO=tcp, MAVEN_PROJECTBASEDIR=/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A, JOB_BASE_NAME=master, JENKINS_X_DOCKER_REGISTRY_PORT_5000_TCP_PORT=5000, JENKINS_X_MONOCULAR_UI_PORT_80_TCP_PORT=80, JENKINS_AGENT_PORT_50000_TCP_PORT=50000, UPDATEBOT_VERSION=1.1.10, BUILD_NUMBER=1, JENKINS_X_MONOCULAR_PRERENDER_SERVICE_PORT=80, JENKINS_X_MONOCULAR_API_PORT=tcp://10.59.242.193:80, GIT_COMMITTER_EMAIL=jenkins-x@googlegroups.com, GIT_URL=https://github.com/grohan2002/demo08.git, JENKINS_X_MONOCULAR_API_SERVICE_PORT=80, JENKINS_X_MONOCULAR_API_PORT_80_TCP_PROTO=tcp, JENKINS_X_MONOCULAR_UI_SERVICE_HOST=10.59.242.187, HEAPSTER_PORT_8082_TCP_PORT=8082, NEXUS_PORT_80_TCP_PROTO=tcp, JENKINS_X_MONGODB_SERVICE_PORT=27017, JENKINS_X_MONOCULAR_UI_SERVICE_PORT=80, JENKINS_X_MONOCULAR_API_PORT_80_TCP=tcp://10.59.242.193:80, M2=/opt/apache-maven-3.3.9/bin, JENKINS_X_CHARTMUSEUM_SERVICE_PORT=8080, JENKINS_X_MONOCULAR_API_PORT_80_TCP_ADDR=10.59.242.193, JENKINS_X_MONOCULAR_PRERENDER_PORT_80_TCP=tcp://10.59.255.226:80, DOCKER_CONFIG=/home/jenkins/.docker/, JENKINS_X_MONGODB_PORT=tcp://10.59.243.233:27017, JENKINS_X_MONOCULAR_API_SERVICE_HOST=10.59.242.193, JENKINS_AGENT_PORT_50000_TCP_ADDR=10.59.242.200, JENKINS_AGENT_PORT=tcp://10.59.242.200:50000, JENKINS_X_DOCKER_REGISTRY_PORT_5000_TCP=tcp://10.59.251.152:5000, JENKINS_X_MONOCULAR_PRERENDER_SERVICE_PORT_PRERENDER=80, KUBERNETES_PORT_443_TCP=tcp://10.59.240.1:443, JENKINS_X_DOCKER_REGISTRY_PORT_5000_TCP_PROTO=tcp, JENKINS_AGENT_PORT_50000_TCP=tcp://10.59.242.200:50000, JENKINS_X_MONOCULAR_API_SERVICE_PORT_MONOCULAR_API=80, BUILD_TAG=jenkins-grohan2002-demo08-master-1, HEAPSTER_PORT_8082_TCP=tcp://10.59.255.13:8082, MAVEN_VERSION=3.3.9, HEAPSTER_PORT_8082_TCP_PROTO=tcp, JENKINS_X_DOCKER_REGISTRY_SERVICE_HOST=10.59.251.152, OLDPWD=/home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A, JENKINS_X_MONGODB_PORT_27017_TCP_ADDR=10.59.243.233, JENKINS_X_CHARTMUSEUM_PORT_8080_TCP_PORT=8080, NEXUS_PORT_80_TCP_PORT=80, NEXUS_SERVICE_PORT_NEXUS=80, JOB_DISPLAY_URL=http://unconfigured-jenkins-location/job/grohan2002/job/demo08/job/master/display/redirect, M2_HOME=/opt/apache-maven-3.3.9, _JAVA_OPTIONS=-XX:+UnlockExperimentalVMOptions -XX:+UseCGroupMemoryLimitForHeap -Dsun.zip.disableMemoryMapping=true -XX:+UseParallelGC -XX:MinHeapFreeRatio=5 -XX:MaxHeapFreeRatio=10 -XX:GCTimeRatio=4 -XX:AdaptiveSizePolicyWeight=90 -Xms10m -Xmx192m, JENKINS_X_CHARTMUSEUM_SERVICE_HOST=10.59.247.18, GIT_BRANCH=master, JENKINS_X_MONOCULAR_PRERENDER_PORT_80_TCP_ADDR=10.59.255.226, JENKINS_X_MONOCULAR_UI_PORT_80_TCP=tcp://10.59.242.187:80, HEAPSTER_SERVICE_PORT=8082, JENKINS_TUNNEL=jenkins-agent:50000, JENKINS_X_CHARTMUSEUM_PORT_8080_TCP_PROTO=tcp, ORG=grohan2002, CHARTMUSEUM_CREDS=****, JENKINS_X_CHARTMUSEUM_PORT_8080_TCP_ADDR=10.59.247.18, HEAPSTER_PORT=tcp://10.59.255.13:8082, JENKINS_SERVICE_PORT_HTTP=8080, BUILD_ID=1, KUBERNETES_SERVICE_HOST=10.59.240.1, JOB_NAME=grohan2002/demo08/master, JENKINS_SERVICE_PORT=8080, EXPOSECONTROLLER_VERSION=2.3.34, JENKINS_X_CHARTMUSEUM_PORT_8080_TCP=tcp://10.59.247.18:8080, JENKINS_X_MONGODB_SERVICE_PORT_MONGODB=27017, CHARTMUSEUM_CREDS_USR=****, NODE_LABELS=jenkins-maven maven-0tbjd, JX_VERSION=1.2.101, JENKINS_X_DOCKER_REGISTRY_SERVICE_PORT_REGISTRY=5000, JENKINS_X_MONGODB_PORT_27017_TCP_PORT=27017, MAVEN_CMD_LINE_ARGS= clean deploy, HEAPSTER_PORT_8082_TCP_ADDR=10.59.255.13, JENKINS_X_DOCKER_REGISTRY_PORT_5000_TCP_ADDR=10.59.251.152, EXECUTOR_NUMBER=0, GIT_COMMITTER_NAME=jenkins-x-bot, HUDSON_SERVER_COOKIE=d2e418b0327786cb, CLASSPATH=, XDG_CONFIG_HOME=/home/jenkins, JENKINS_X_DOCKER_REGISTRY_SERVICE_PORT=5000, KUBERNETES_SERVICE_PORT=443, HOSTNAME=maven-0tbjd, HELM_VERSION=2.8.2, HEAPSTER_SERVICE_HOST=10.59.255.13, KUBERNETES_PORT_443_TCP_PORT=443, BRANCH_NAME=master, HOME=/home/jenkins}}]
    09:27:01.549 [main] DEBUG org.springframework.test.context.support.TestPropertySourceUtils - Adding inlined properties to environment: {spring.jmx.enabled=false, org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true, server.port=-1}
    09:27:01.561 [main] DEBUG org.springframework.core.env.StandardEnvironment - Adding PropertySource 'Inlined Test Properties' with highest search precedence
    
    
      .   ____          _            __ _ _
     /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
    ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
     \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
      '  |____| .__|_| |_|_| |_\__, | / / / /
     =========|_|==============|___/=/_/_/_/
     :: Spring Boot ::        (v2.0.2.RELEASE)
    
    2018-06-08 09:27:02.738  INFO 279 --- [           main] com.example.demo08.DemoApplicationTests  : Starting DemoApplicationTests on maven-0tbjd with PID 279 (started by root in /home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A)
    2018-06-08 09:27:02.748  INFO 279 --- [           main] com.example.demo08.DemoApplicationTests  : No active profile set, falling back to default profiles: default
    2018-06-08 09:27:02.948  INFO 279 --- [           main] o.s.w.c.s.GenericWebApplicationContext   : Refreshing org.springframework.web.context.support.GenericWebApplicationContext@152216b: startup date [Fri Jun 08 09:27:02 UTC 2018]; root of context hierarchy
    2018-06-08 09:27:09.746  INFO 279 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
    2018-06-08 09:27:10.826  INFO 279 --- [           main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.web.context.support.GenericWebApplicationContext@152216b: startup date [Fri Jun 08 09:27:02 UTC 2018]; root of context hierarchy
    2018-06-08 09:27:11.125  INFO 279 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
    2018-06-08 09:27:11.130  INFO 279 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
    2018-06-08 09:27:11.230  INFO 279 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
    2018-06-08 09:27:11.231  INFO 279 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
    2018-06-08 09:27:14.040  INFO 279 --- [           main] o.s.b.a.e.web.EndpointLinksResolver      : Exposing 2 endpoint(s) beneath base path '/actuator'
    2018-06-08 09:27:14.055  INFO 279 --- [           main] s.b.a.e.w.s.WebMvcEndpointHandlerMapping : Mapped "{[/actuator/health],methods=[GET],produces=[application/vnd.spring-boot.actuator.v2+json || application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.web.servlet.AbstractWebMvcEndpointHandlerMapping$OperationHandler.handle(javax.servlet.http.HttpServletRequest,java.util.Map<java.lang.String, java.lang.String>)
    2018-06-08 09:27:14.056  INFO 279 --- [           main] s.b.a.e.w.s.WebMvcEndpointHandlerMapping : Mapped "{[/actuator/info],methods=[GET],produces=[application/vnd.spring-boot.actuator.v2+json || application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.web.servlet.AbstractWebMvcEndpointHandlerMapping$OperationHandler.handle(javax.servlet.http.HttpServletRequest,java.util.Map<java.lang.String, java.lang.String>)
    2018-06-08 09:27:14.057  INFO 279 --- [           main] s.b.a.e.w.s.WebMvcEndpointHandlerMapping : Mapped "{[/actuator],methods=[GET],produces=[application/vnd.spring-boot.actuator.v2+json || application/json]}" onto protected java.util.Map<java.lang.String, java.util.Map<java.lang.String, org.springframework.boot.actuate.endpoint.web.Link>> org.springframework.boot.actuate.endpoint.web.servlet.WebMvcEndpointHandlerMapping.links(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
    2018-06-08 09:27:14.350  INFO 279 --- [           main] com.example.demo08.DemoApplicationTests  : Started DemoApplicationTests in 12.725 seconds (JVM running for 15.43)
    [INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 14.996 s - in com.example.demo08.DemoApplicationTests
    2018-06-08 09:27:14.752  INFO 279 --- [       Thread-4] o.s.w.c.s.GenericWebApplicationContext   : Closing org.springframework.web.context.support.GenericWebApplicationContext@152216b: startup date [Fri Jun 08 09:27:02 UTC 2018]; root of context hierarchy
    [INFO] 
    [INFO] Results:
    [INFO] 
    [INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
    [INFO] 
    [INFO] 
    [INFO] --- maven-jar-plugin:3.0.2:jar (default-jar) @ demo08 ---
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    [INFO] Final Memory: 27M/39M
    [INFO] ------------------------------------------------------------------------
    [Pipeline] sh
    [grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A] Running shell script
    ++ cat VERSION
    + export VERSION=0.0.1
    + VERSION=0.0.1
    + skaffold run -f skaffold.yaml
    Starting build...
    2018/06/08 09:27:32 No matching credentials found for index.docker.io, falling back on anoynmous
    2018/06/08 09:27:33 manifest digest: "sha256:5985362b4248867a18850aa2904097ea1250cf347170c67d3c04b8a9331d579a" does not match Docker-Content-Digest: "sha256:48b5e75d2a1cf179b9046360d959702c69dd45d8fd934325a5b3e0f3b4b0d63e" for "index.docker.io/library/openjdk:8-jdk-slim"
    Sending build context to Docker daemon  17.47MB
    Step 1/8 : FROM openjdk:8-jdk-slim
    8-jdk-slim: Pulling from library/openjdk
    f2aa67a397c4: Pulling fs layer
    a44ea3e7c4ff: Pulling fs layer
    8ffd93428115: Pulling fs layer
    bd00e3c2b114: Pulling fs layer
    d7381531c429: Pulling fs layer
    85fcc82e8f1f: Pulling fs layer
    bd00e3c2b114: Waiting
    d7381531c429: Waiting
    85fcc82e8f1f: Waiting
    8ffd93428115: Download complete
    a44ea3e7c4ff: Download complete
    85fcc82e8f1f: Verifying Checksum
    85fcc82e8f1f: Download complete
    d7381531c429: Verifying Checksum
    d7381531c429: Download complete
    f2aa67a397c4: Verifying Checksum
    f2aa67a397c4: Download complete
    f2aa67a397c4: Pull complete
    a44ea3e7c4ff: Pull complete
    8ffd93428115: Pull complete
    bd00e3c2b114: Pull complete
    d7381531c429: Pull complete
    85fcc82e8f1f: Pull complete
    Digest: sha256:48b5e75d2a1cf179b9046360d959702c69dd45d8fd934325a5b3e0f3b4b0d63e
    Status: Downloaded newer image for openjdk:8-jdk-slim
     ---> 954f983e50de
    Step 2/8 : ENV PORT 8080
     ---> Running in 4e6c7b5a84fd
     ---> c43f805d938c
    Step 3/8 : ENV CLASSPATH /opt/lib
     ---> Running in 8a9605bb3fe2
     ---> e07b60e062ef
    Step 4/8 : EXPOSE 8080
     ---> Running in 0ce6e915975e
     ---> 8bfe4d911eec
    Step 5/8 : COPY pom.xml target/lib* /opt/lib/
     ---> 16e4ca793bbf
    Step 6/8 : COPY target/*.jar /opt/app.jar
     ---> 3914513668cc
    Step 7/8 : WORKDIR /opt
     ---> 33583508ec6e
    Step 8/8 : CMD java -jar app.jar
     ---> Running in eb2302455cd5
     ---> f43f122eea24
    Successfully built f43f122eea24
    Successfully tagged 10.59.251.152:5000/grohan2002/demo08:0.0.1
    The push refers to a repository [10.59.251.152:5000/grohan2002/demo08]
    ec7ba7301e4c: Preparing
    b46837de8488: Preparing
    7f3cf739707b: Preparing
    3541b9af137e: Preparing
    253e0bb91f27: Preparing
    8670d085042c: Preparing
    07090e4cb2bc: Preparing
    d626a8ad97a1: Preparing
    8670d085042c: Waiting
    07090e4cb2bc: Waiting
    d626a8ad97a1: Waiting
    253e0bb91f27: Pushed
    b46837de8488: Pushed
    7f3cf739707b: Pushed
    07090e4cb2bc: Pushed
    8670d085042c: Pushed
    ec7ba7301e4c: Pushed
    d626a8ad97a1: Pushed
    3541b9af137e: Pushed
    0.0.1: digest: sha256:109dca61f0896901cdf319d40bc7b840f30b6a2a4ce43e4d14e1964b13abc814 size: 1994
    Build complete in 32.898917606s
    Starting deploy...
    deployment.extensions "skaffold" created
    Deploy complete in 808.651443ms
    [Pipeline] sh
    [grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A] Running shell script
    + jx step validate --min-jx-version 1.2.36
    [Pipeline] sh
    [grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A] Running shell script
    ++ cat VERSION
    + jx step post build --image 10.59.251.152:5000/grohan2002/demo08:0.0.1
    no CVE provider running in the current jx namespace so skip adding image to be analysed[Pipeline] }
    [Pipeline] // container
    [Pipeline] }
    [Pipeline] // stage
    [Pipeline] stage
    [Pipeline] { (Promote to Environments)
    [Pipeline] dir
    Running in /home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/charts/demo08
    [Pipeline] {
    [Pipeline] container
    [Pipeline] {
    [Pipeline] sh
    [demo08] Running shell script
    ++ cat ../../VERSION
    + jx step changelog --version v0.0.1
    Using batch mode as inside a pipeline
    Generating change log from git ref bb76504e6bd766135c733c5121925332d694f638 => 782ce196ba9dc310f1daf7668abba9558567c89b
    Unable to find user: jenkins-x.googlegroups.com -- users.jenkins.io "jenkins-x.googlegroups.com" not found
    Unable to find user: jenkins-x.googlegroups.com -- users.jenkins.io "jenkins-x.googlegroups.com" not found
    Finding issues in commit messages using git format
    Unable to find user: aditi.sangave.velotio.com -- users.jenkins.io "aditi.sangave.velotio.com" not found
    Unable to find user: aditi.sangave.velotio.com -- users.jenkins.io "aditi.sangave.velotio.com" not found
    No release found for grohan2002/demo08 and tag v0.0.1 so creating a new release
    Updated the release information at https://github.com/grohan2002/demo08/releases/tag/v0.0.1
    generated: templates/release.yaml
    [Pipeline] sh
    [demo08] Running shell script
    + make release
    rm -rf charts
    rm -rf demo08*.tgz
    helm dependency build
    No requirements found in ./charts.
    helm lint
    ==> Linting .
    Lint OK
    
    1 chart(s) linted, no failures
    helm init --client-only
    Creating /home/jenkins/.helm 
    Creating /home/jenkins/.helm/repository 
    Creating /home/jenkins/.helm/repository/cache 
    Creating /home/jenkins/.helm/repository/local 
    Creating /home/jenkins/.helm/plugins 
    Creating /home/jenkins/.helm/starters 
    Creating /home/jenkins/.helm/cache/archive 
    Creating /home/jenkins/.helm/repository/repositories.yaml 
    Adding stable repo with URL: https://kubernetes-charts.storage.googleapis.com 
    Adding local repo with URL: http://127.0.0.1:8879/charts 
    $HELM_HOME has been configured at /home/jenkins/.helm.
    Not installing Tiller due to 'client-only' flag having been set
    Happy Helming!
    helm package .
    Successfully packaged chart and saved it to: /home/jenkins/workspace/grohan2002_demo08_master-RD3QO22PAWMJZZSUAQ7BDHSXZJM3KTMXLXI7U7BD3ZBUQUZFCX2A/charts/demo08/demo08-0.0.1.tgz
    curl --fail -u **** --data-binary "@demo08-0.0.1.tgz" http://jenkins-x-chartmuseum:8080/api/charts
      % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                     Dload  Upload   Total   Spent    Left  Speed
    100  2900  100    14  100  2886    331  68251 --:--:-- --:--:-- --:--:-- 68714
    {"saved":true}rm -rf demo08*.tgz%
    [Pipeline] sh
    [demo08] Running shell script
    ++ cat ../../VERSION
    + jx promote -b --all-auto --timeout 1h --version 0.0.1
    Promoting app demo08 version 0.0.1 to namespace jx-staging
    Using pipeline: grohan2002/demo08/master build: #1
    Cloning into '/home/jenkins/.jx/environments/grohan2002/environment-carpcoal-staging'...
    Found remote branch names master, HEAD -> origin/master, master
    Switched to branch 'promote-demo08-0.0.1'
    [promote-demo08-0.0.1 d74c381] Promote demo08 to version 0.0.1
     1 file changed, 8 insertions(+), 5 deletions(-)
    To https://github.com/grohan2002/environment-carpcoal-staging.git
     * [new branch]      HEAD -> promote-demo08-0.0.1
    Created Pull Request: https://github.com/grohan2002/environment-carpcoal-staging/pull/1
    
    Using pipeline: grohan2002/demo08/master build: #1
    WARNING: Failed to query the Pull Request last commit status for https://github.com/grohan2002/environment-carpcoal-staging/pull/1 ref d74c381b0cdaa2568b405e4cd21af5a83788f260 Could not find a status for repository grohan2002/environment-carpcoal-staging with ref d74c381b0cdaa2568b405e4cd21af5a83788f260
    Pull Request https://github.com/grohan2002/environment-carpcoal-staging/pull/1 is merged at sha 0cca71e15070fb485714bf8ce5763fd9c9ba72f6
    Merge commit has not yet any statuses on repo grohan2002/environment-carpcoal-staging merge sha 0cca71e15070fb485714bf8ce5763fd9c9ba72f6
    merge status: pending for URL https://api.github.com/repos/grohan2002/environment-carpcoal-staging/statuses/0cca71e15070fb485714bf8ce5763fd9c9ba72f6 with target: http://unconfigured-jenkins-location/job/grohan2002/job/environment-carpcoal-staging/job/master/2/display/redirect description: This commit is being built
    EXITCODE   0merge status: success for URL https://api.github.com/repos/grohan2002/environment-carpcoal-staging/statuses/0cca71e15070fb485714bf8ce5763fd9c9ba72f6 with target: http://unconfigured-jenkins-location/job/grohan2002/job/environment-carpcoal-staging/job/master/2/display/redirect description: This commit looks good
    Merge status checks all passed so the promotion worked!
    Application is available at: http://demo08.jx-staging.35.230.49.158.nip.io
    [Pipeline] }
    [Pipeline] // container
    [Pipeline] }
    [Pipeline] // dir
    [Pipeline] }
    [Pipeline] // stage
    [Pipeline] stage
    [Pipeline] { (Declarative: Post Actions)
    [Pipeline] cleanWs
    [WS-CLEANUP] Deleting project workspace...[WS-CLEANUP] done
    [Pipeline] }
    [Pipeline] // stage
    [Pipeline] }
    [Pipeline] // withEnv
    [Pipeline] }
    [Pipeline] // withCredentials
    [Pipeline] }
    [Pipeline] // withEnv
    [Pipeline] }
    [Pipeline] // node
    [Pipeline] End of Pipeline
    
    GitHub has been notified of this commit’s build result
    
    Finished: SUCCESS

    • The first build takes time because it downloads some dependencies from maven central.
    • We are using Nexus which was installed as a part of Jenkins X platform so that remaining builds will be faster because dependencies will be cached.
    • After that it tags our potential release & push tags to Github.It then builds application using maven.
    • It uploads artefacts to Nexus so that it can be shared between the teams.
    • Docker image is been built for this application & pushed to docker registry.
    • It then generates change log and publish it to chartmuseum registry.
    • Pipeline waits for pull request for staging environment to be merged and then waits for another pipeline to be triggered & perform deployment for our new application on staging environment using helm.
    • Now we can see staging environment with our application running in it.

    3. Application deployment onto staging environment 

    Using CLI, we can see our application is now deployed to staging environment with version 0.0.1

    $ jx get apps
    APPLICATION STAGING PODS URL
    
    PRODUCTION PODS URL
    demo08 0.0.1 1/1 http://demo08.jx-staging.35.230.49.158.nip.io

    4. Application URL

    We can get application URL with following command

    $ jx open --env staging
    Name URL
    demo08 http://demo08.jx-staging.35.230.49.158.nip.io

    5. Start working on the project

    Now we can start working on our new project. Go to your project location and from there you can actually create a Github issue.

    $ cd demo08/
    $ jx create issue -t 'add a homepage'

    6. Add HTML Page

    Now switch to your working branch and add a simple HTML page.

    $ git checkout -b wip
    $ vi src/main/resources/static/index.html

    $ git add src
    $ git commit -a -m 'add a homepage fixes #1'
    $ git push origin wip

    7. Create a pull request 

    Then create a pull request from working branch to master branch. After that our CI pipeline is automatically triggered.

    After some time, our CI checks pass.

    8. There we can see a comment has been added to the pull request saying our application is been built and deployed into the preview environment.

    9. Now our application is deployed in preview environment.

    $ jx get apps 

    10. Now, you can see the application running on the given URL.

    So where is Jenkins?

    As you have seen, there was no direct interaction with Jenkins, but it is there, running the pipelines for continuous integration and continuous delivery of the repository, and orchestrating things with Kubernetes.

    If you run jx get pipelines you can see URLs to the various pipelines that have been setup for you are part of interacting with Jenkins X.

    Additional JX Commands:

    jx open

    • open apps, services or pipelines in your browser

    jx activity

    • explains how things got to where they are, a history

    jx get environments

    • list environments

    jx get apps

    • show the state of applications, what versions are in what environments.

    Conclusion

    So this is how Jenkins X automates installation, configuration of Jenkins and some other software components. It also automates CI/CD for your applications on Kubernetes along with promotions through GitHub.

  • Continuous Integration & Delivery (CI/CD) for Kubernetes Using CircleCI & Helm

    Introduction

    Kubernetes is getting adopted rapidly across the software industry and is becoming the most preferred option for deploying and managing containerized applications. Once we have a fully functional Kubernetes cluster we need to have an automated process to deploy our applications on it. In this blog post, we will create a fully automated “commit to deploy” pipeline for Kubernetes. We will use CircleCI & helm for it.

    What is CircleCI?

    CircleCI is a fully managed saas offering which allows us to build, test or deploy our code on every check in. For getting started with circle we need to log into their web console with our GitHub or bitbucket credentials then add a project for the repository we want to build and then add the CircleCI config file to our repository. The CircleCI config file is a yaml file which lists the steps we want to execute on every time code is pushed to that repository.

    Some salient features of CircleCI is:

    1. Little or no operational overhead as the infrastructure is managed completely by CircleCI.
    2. User authentication is done via GitHub or bitbucket so user management is quite simple.
    3. It automatically notifies the build status on the github/bitbucket email ids of the users who are following the project on CircleCI.
    4. The UI is quite simple and gives a holistic view of builds.
    5. Can be integrated with Slack, hipchat, jira, etc.

    What is Helm?

    Helm is chart manager where chart refers to package of Kubernetes resources. Helm allows us to bundle related Kubernetes objects into charts and treat them as a single unit of deployment referred to as release.  For example, you have an application app1 which you want to run on Kubernetes. For this app1 you create multiple Kubernetes resources like deployment, service, ingress, horizontal pod scaler, etc. Now while deploying the application you need to create all the Kubernetes resources separately by applying their manifest files. What helm does is it allows us to group all those files into one chart (Helm chart) and then we just need to deploy the chart. This also makes deleting and upgrading the resources quite simple.

    Some other benefits of Helm is:

    1. It makes the deployment highly configurable. Thus just by changing the parameters, we can use the same chart for deploying on multiple environments like stag/prod or multiple cloud providers.
    2. We can rollback to a previous release with a single helm command.
    3. It makes managing and sharing Kubernetes specific application much simpler.

    Note: Helm is composed of two components one is helm client and the other one is tiller server. Tiller is the component which runs inside the cluster as deployment and serves the requests made by helm client. Tiller has potential security vulnerabilities thus we will use tillerless helm in our pipeline which runs tiller only when we need it.

    Building the Pipeline

    Overview:

    We will create the pipeline for a Golang application. The pipeline will first build the binary, create a docker image from it, push the image to ECR, then deploy it on the Kubernetes cluster using its helm chart.

    We will use a simple app which just exposes a `hello` endpoint and returns the hello world message:

    package main
    
    import (
    	"encoding/json"
    	"net/http"
    	"log"
    	"github.com/gorilla/mux"
    )
    
    type Message struct {
    	Msg string
    }
    
    func helloWorldJSON(w http.ResponseWriter, r *http.Request) {
    	m := Message{"Hello World"}
    	response, _ := json.Marshal(m)
    	w.Header().Set("Content-Type", "application/json")
    	w.WriteHeader(http.StatusOK)
    	w.Write(response)
    }
    func main() {
    	r := mux.NewRouter()
    	r.HandleFunc("/hello", helloWorldJSON).Methods("GET")
    	if err := http.ListenAndServe(":8080", r); err != nil {
    		log.Fatal(err)
    	}
    }

    We will create a docker image for hello app using the following Dockerfile:

    FROM centos/systemd
    
    MAINTAINER "Akash Gautam" <akash.gautam@velotio.com>
    
    COPY hello-app  /
    
    ENTRYPOINT ["/hello-app"]

    Creating Helm Chart:

    Now we need to create the helm chart for hello app.

    First, we create the Kubernetes manifest files. We will create a deployment and a service file:

    apiVersion: apps/v1beta1
    kind: Deployment
    metadata:
      name: helloapp
    spec:
      replicas: 1
      strategy:
      type: RollingUpdate
      rollingUpdate:
        maxSurge: 1
        maxUnavailable: 1
      template:
        metadata:
          labels:
            app: helloapp
            env: {{ .Values.labels.env }}
            cluster: {{ .Values.labels.cluster }}
        spec:
          containers:
          - name: helloapp
            image: {{ .Values.image.repository }}:{{ .Values.image.tag }}
            imagePullPolicy: {{ .Values.image.imagePullPolicy }}
            readinessProbe:
              httpGet:
                path: /hello
                port: 8080
                initialDelaySeconds: 5
                periodSeconds: 5
                successThreshold: 1

    apiVersion: v1
    kind: Service
    metadata:
      name: helloapp
    spec:
      type: {{ .Values.service.type }}
      ports:
      - name: helloapp
        port: {{ .Values.service.port }}
        protocol: TCP
        targetPort: {{ .Values.service.targetPort }}
      selector:
        app: helloapp

    In the above file, you must have noticed that we have used .Values object. All the values that we specify in the values.yaml file in our helm chart can be accessed using the .Values object inside the template.

    Let’s create the helm chart now:

    helm create helloapp

    Above command will create a chart helm chart folder structure for us.

    helloapp/
    |
    |- .helmignore # Contains patterns to ignore when packaging Helm charts.
    |
    |- Chart.yaml # Information about your chart
    |
    |- values.yaml # The default values for your templates
    |
    |- charts/ # Charts that this chart depends on
    |
    |- templates/ # The template files

    We can remove the charts/ folder inside our helloapp chart as our chart won’t have any sub-charts. Now we need to move our Kubernetes manifest files to the template folder and update our values.yaml and Chart.yaml

    Our values.yaml looks like:

    image:
      tag: 0.0.1
      repository: 123456789870.dkr.ecr.us-east-1.amazonaws.com/helloapp
      imagePullPolicy: Always
    
    labels:
      env: "staging"
      cluster: "eks-cluster-blog"
    
    service:
      port: 80
      targetPort: 8080
      type: LoadBalancer

    This allows us to make our deployment more configurable. For example, here we have set our service type as LoadBalancer in values.yaml but if we want to change it to nodePort we just need to set is as NodePort while installing the chart (–set service.type=NodePort). Similarly, we have set the image pull policy as Always which is fine for development/staging environment but when we deploy to production we may want to set is as ifNotPresent. In our chart, we need to identify the parameters/values which may change from one environment to another and make them configurable. This allows us to be flexible with our deployment and reuse the same chart

    Finally, we need to update Chart.yaml file. This file mostly contains metadata about the chart like the name, version, maintainer, etc, where name & version are two mandatory fields for Chart.yaml.

    version: 1.0.0
    appVersion: 0.0.1
    name: helloapp
    description: Helm chart for helloapp
    source:
      - https://github.com/akash-gautam/helloapp

    Now our Helm chart is ready we can start with the pipeline. We need to create a folder named .circleci in the root folder of our repository and create a file named config.yml in it. In our config.yml we have defined two jobs one is build&pushImage and deploy.

    Configure the pipeline:

    build&pushImage:
        working_directory: /go/src/hello-app (1)
        docker:
          - image: circleci/golang:1.10 (2)
        steps:
          - checkout (3)
          - run: (4)
              name: build the binary
              command: go build -o hello-app
          - setup_remote_docker: (5)
              docker_layer_caching: true
          - run: (6)
              name: Set the tag for the image, we will concatenate the app verson and circle build number with a `-` char in between
              command:  echo 'export TAG=$(cat VERSION)-$CIRCLE_BUILD_NUM' >> $BASH_ENV
          - run: (7)
              name: Build the docker image
              command: docker build . -t ${CIRCLE_PROJECT_REPONAME}:$TAG
          - run: (8)
              name: Install AWS cli
              command: export TZ=Europe/Minsk && sudo ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > sudo  /etc/timezone && sudo apt-get update && sudo apt-get install -y awscli
          - run: (9)
              name: Login to ECR
              command: $(aws ecr get-login --region $AWS_REGION | sed -e 's/-e none//g')
          - run: (10)
              name: Tag the image with ECR repo name 
              command: docker tag ${CIRCLE_PROJECT_REPONAME}:$TAG ${HELLOAPP_ECR_REPO}:$TAG    
          - run: (11)
              name: Push the image the ECR repo
              command: docker push ${HELLOAPP_ECR_REPO}:$TAG

    1. We set the working directory for our job, we are setting it on the gopath so that we don’t need to do anything additional.
    2. We set the docker image inside which we want the job to run, as our app is built using golang we are using the image which already has golang installed in it.
    3. This step checks out our repository in the working directory
    4. In this step, we build the binary
    5. Here we setup docker with the help of  setup_remote_docker  key provided by CircleCI.
    6. In this step we create the tag we will be using while building the image, we use the app version available in the VERSION file and append the $CIRCLE_BUILD_NUM value to it, separated by a dash (`-`).
    7. Here we build the image and tag.
    8. Installing AWS CLI to interact with the ECR later.
    9. Here we log into ECR
    10. We tag the image build in step 7 with the ECR repository name.
    11. Finally, we push the image to ECR.

    Now we will deploy our helm charts. For this, we have a separate job deploy.

    deploy:
        docker: (1)
            - image: circleci/golang:1.10
        steps: (2)
          - checkout
          - run: (3)
              name: Install AWS cli
              command: export TZ=Europe/Minsk && sudo ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > sudo  /etc/timezone && sudo apt-get update && sudo apt-get install -y awscli
          - run: (4)
              name: Set the tag for the image, we will concatenate the app verson and circle build number with a `-` char in between
              command:  echo 'export TAG=$(cat VERSION)-$CIRCLE_PREVIOUS_BUILD_NUM' >> $BASH_ENV
          - run: (5)
              name: Install and confgure kubectl
              command: sudo curl -L https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl -o /usr/local/bin/kubectl && sudo chmod +x /usr/local/bin/kubectl  
          - run: (6)
              name: Install and confgure kubectl aws-iam-authenticator
              command: curl -o aws-iam-authenticator https://amazon-eks.s3-us-west-2.amazonaws.com/1.10.3/2018-07-26/bin/linux/amd64/aws-iam-authenticator && sudo chmod +x ./aws-iam-authenticator && sudo cp ./aws-iam-authenticator /bin/aws-iam-authenticator
           - run: (7)
              name: Install latest awscli version
              command: sudo apt install unzip && curl "https://s3.amazonaws.com/aws-cli/awscli-bundle.zip" -o "awscli-bundle.zip" && unzip awscli-bundle.zip &&./awscli-bundle/install -b ~/bin/aws
          - run: (8)
              name: Get the kubeconfig file 
              command: export KUBECONFIG=$HOME/.kube/kubeconfig && /home/circleci/bin/aws eks --region $AWS_REGION update-kubeconfig --name $EKS_CLUSTER_NAME
          - run: (9)
              name: Install and configuire helm
              command: sudo curl -L https://storage.googleapis.com/kubernetes-helm/helm-v2.11.0-linux-amd64.tar.gz | tar xz && sudo mv linux-amd64/helm /bin/helm && sudo rm -rf linux-amd64
          - run: (10)
              name: Initialize helm
              command:  helm init --client-only --kubeconfig=$HOME/.kube/kubeconfig
          - run: (11)
              name: Install tiller plugin
              command: helm plugin install https://github.com/rimusz/helm-tiller --kubeconfig=$HOME/.kube/kubeconfig        
          - run: (12)
              name: Release helloapp using helm chart 
              command: bash scripts/release-helloapp.sh $TAG

    1. Set the docker image inside which we want to execute the job.
    2. Check out the code using `checkout` key
    3. Install AWS CLI.
    4. Setting the value of tag just like we did in case of build&pushImage job. Note that here we are using CIRCLE_PREVIOUS_BUILD_NUM variable which gives us the build number of build&pushImage job and ensures that the tag values are the same.
    5. Download kubectl and making it executable.
    6. Installing aws-iam-authenticator this is required because my k8s cluster is on EKS.
    7. Here we install the latest version of AWS CLI, EKS is a relatively newer service from AWS and older versions of AWS CLI doesn’t have it.
    8. Here we fetch the kubeconfig file. This step will vary depending upon where the k8s cluster has been set up. As my cluster is on EKS am getting the kubeconfig file via. AWS CLI similarly if your cluster in on GKE then you need to configure gcloud and use the command  `gcloud container clusters get-credentials <cluster-name> –zone=<zone-name>`. We can also have the kubeconfig file on some other secure storage system and fetch it from there.</zone-name></cluster-name>
    9. Download Helm and make it executable
    10. Initializing helm, note that we are initializing helm in client only mode so that it doesn’t start the tiller server.
    11. Download the tillerless helm plugin
    12. Execute the release-helloapp.sh shell script and pass it TAG value from step 4.

    In the release-helloapp.sh script we first start tiller, after this, we check if the release is already present or not if it is present then we upgrade otherwise we make a new release. Here we override the value of tag for the image present in the chart by setting it to the tag of the newly built image, finally, we stop the tiller server.

    #!/bin/bash
    TAG=$1
    echo "start tiller"
    export KUBECONFIG=$HOME/.kube/kubeconfig
    helm tiller start-ci
    export HELM_HOST=127.0.0.1:44134
    result=$(eval helm ls | grep helloapp) 
    if [ $? -ne "0" ]; then 
       helm install --timeout 180 --name helloapp --set image.tag=$TAG charts/helloapp
    else 
       helm upgrade --timeout 180 helloapp --set image.tag=$TAG charts/helloapp
    fi
    echo "stop tiller"
    helm tiller stop 

    The complete CircleCI config.yml file looks like:

    version: 2
    
    jobs:
      build&pushImage:
        working_directory: /go/src/hello-app
        docker:
          - image: circleci/golang:1.10
        steps:
          - checkout
          - run:
              name: build the binary
              command: go build -o hello-app
          - setup_remote_docker:
              docker_layer_caching: true
          - run:
              name: Set the tag for the image, we will concatenate the app verson and circle build number with a `-` char in between
              command:  echo 'export TAG=$(cat VERSION)-$CIRCLE_BUILD_NUM' >> $BASH_ENV
          - run:
              name: Build the docker image
              command: docker build . -t ${CIRCLE_PROJECT_REPONAME}:$TAG
          - run:
              name: Install AWS cli
              command: export TZ=Europe/Minsk && sudo ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > sudo  /etc/timezone && sudo apt-get update && sudo apt-get install -y awscli
          - run:
              name: Login to ECR
              command: $(aws ecr get-login --region $AWS_REGION | sed -e 's/-e none//g')
          - run: 
              name: Tag the image with ECR repo name 
              command: docker tag ${CIRCLE_PROJECT_REPONAME}:$TAG ${HELLOAPP_ECR_REPO}:$TAG    
          - run: 
              name: Push the image the ECR repo
              command: docker push ${HELLOAPP_ECR_REPO}:$TAG
      deploy:
        docker:
            - image: circleci/golang:1.10
        steps:
          - attach_workspace:
              at: /tmp/workspace
          - checkout
          - run:
              name: Install AWS cli
              command: export TZ=Europe/Minsk && sudo ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > sudo  /etc/timezone && sudo apt-get update && sudo apt-get install -y awscli
          - run:
              name: Set the tag for the image, we will concatenate the app verson and circle build number with a `-` char in between
              command:  echo 'export TAG=$(cat VERSION)-$CIRCLE_PREVIOUS_BUILD_NUM' >> $BASH_ENV
          - run:
              name: Install and confgure kubectl
              command: sudo curl -L https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl -o /usr/local/bin/kubectl && sudo chmod +x /usr/local/bin/kubectl  
          - run:
              name: Install and confgure kubectl aws-iam-authenticator
              command: curl -o aws-iam-authenticator https://amazon-eks.s3-us-west-2.amazonaws.com/1.10.3/2018-07-26/bin/linux/amd64/aws-iam-authenticator && sudo chmod +x ./aws-iam-authenticator && sudo cp ./aws-iam-authenticator /bin/aws-iam-authenticator
           - run:
              name: Install latest awscli version
              command: sudo apt install unzip && curl "https://s3.amazonaws.com/aws-cli/awscli-bundle.zip" -o "awscli-bundle.zip" && unzip awscli-bundle.zip &&./awscli-bundle/install -b ~/bin/aws
          - run:
              name: Get the kubeconfig file 
              command: export KUBECONFIG=$HOME/.kube/kubeconfig && /home/circleci/bin/aws eks --region $AWS_REGION update-kubeconfig --name $EKS_CLUSTER_NAME
          - run:
              name: Install and configuire helm
              command: sudo curl -L https://storage.googleapis.com/kubernetes-helm/helm-v2.11.0-linux-amd64.tar.gz | tar xz && sudo mv linux-amd64/helm /bin/helm && sudo rm -rf linux-amd64
          - run:
              name: Initialize helm
              command:  helm init --client-only --kubeconfig=$HOME/.kube/kubeconfig
          - run:
              name: Install tiller plugin
              command: helm plugin install https://github.com/rimusz/helm-tiller --kubeconfig=$HOME/.kube/kubeconfig        
          - run:
              name: Release helloapp using helm chart 
              command: bash scripts/release-helloapp.sh $TAG
    workflows:
      version: 2
      primary:
        jobs:
          - build&pushImage
          - deploy:
              requires:
                - build&pushImage

    At the end of the file, we see the workflows, workflows control the order in which the jobs specified in the file are executed and establishes dependencies and conditions for the job. For example, we may want our deploy job trigger only after my build job is complete so we added a dependency between them. Similarly, we may want to exclude the jobs from running on some particular branch then we can specify those type of conditions as well.

    We have used a few environment variables in our pipeline configuration some of them were created by us and some were made available by CircleCI. We created AWS_REGION, HELLOAPP_ECR_REPO, EKS_CLUSTER_NAME, AWS_ACCESS_KEY_ID & AWS_SECRET_ACCESS_KEY variables. These variables are set via. CircleCI web console by going to the projects settings. Other variables that we have used are made available by CircleCI as a part of its environment setup process. Complete list of environment variables set by CircleCI can be found here.

    Verify the working of the pipeline:

    Once everything is set up properly then our application will get deployed on the k8s cluster and should be available for access. Get the external IP of the helloapp service and make a curl request to the hello endpoint

    $ curl http://a31e25e7553af11e994620aebe144c51-242977608.us-west-2.elb.amazonaws.com/hello && printf "n"
    
    {"Msg":"Hello World"}

    Now update the code and change the message “Hello World” to “Hello World Returns” and push your code. It will take a few minutes for the pipeline to complete execution and once it is complete make the curl request again to see the changes getting reflected.

    $ curl http://a31e25e7553af11e994620aebe144c51-242977608.us-west-2.elb.amazonaws.com/hello && printf "n"
    
    {"Msg":"Hello World Returns"}

    Also, verify that a new tag is also created for the helloapp docker image on ECR.

    Conclusion

    In this blog post, we explored how we can set up a CI/CD pipeline for kubernetes and got basic exposure to CircleCI and Helm. Although helm is not absolutely necessary for building a pipeline, it has lots of benefits and is widely used across the industry. We can extend the pipeline to consider the cases where we have multiple environments like dev, staging & production and make the pipeline deploy the application to any of them depending upon some conditions. We can also add more jobs like integration tests. All the codes used in the blog post are available here.

    Related Reads:

    1. Continuous Deployment with Azure Kubernetes Service, Azure Container Registry & Jenkins
    2. Know Everything About Spinnaker & How to Deploy Using Kubernetes Engine
  • Kubernetes CSI in Action: Explained with Features and Use Cases

    Kubernetes Volume plugins have been a great way for the third-party storage providers to support a block or file storage system by extending the Kubernetes volume interface and are “In-Tree” in nature.

    In this post, we will dig into Kubernetes Container Storage Interface. We will use Hostpath CSI Driver locally on a single node bare metal cluster, to get the conceptual understanding of the CSI workflow in provisioning the Persistent Volume and its lifecycle. Also, a cool feature of snapshotting the volume and recover it back is explained.

    Introduction

    CSI is a standard for exposing  storage systems in arbitrary block and file storage to containerized workloads on Container Orchestrations like Kubernetes, Mesos, and Cloud Foundry. It becomes very extensible for third-party storage provider to expose their new storage systems using CSI, without actually touching the Kubernetes code. Single independent implementation of CSI Driver by a storage provider will work on any orchestrator.

    This new plugin mechanism has been one of the most powerful features of Kubernetes. It enables the storage vendors to:

    1. Automatically create storage when required.
    2. Make storage available to containers wherever they’re scheduled.
    3. Automatically delete the storage when no longer needed.

    This decoupling helps the vendors to maintain the independent release and feature cycles and focus on the API implementation without actually worrying about the backward incompatibility and to support their plugin just as easy as deploying a few pods.

     

    Image Source: Weekly Geekly

    Why CSI?

    Prior to CSI, k8s volume plugins have to be “In-tree”, compiled and shipped with core kubernetes binaries. This means, it will require the storage providers to check-in their into the core k8s codebase if they wish to add the support for a new storage system.

    A plugin-based solution, flex-volume, tried to address this issue by exposing the exec based API for external  plugins. Although it also tried to work on the similar notion of being detached with k8s binary, there were several major problems with that approach. Firstly, it needed the root access to the host and master file system to deploy the driver files. 

    Secondly, it comes with the huge baggage of prerequisites and OS dependencies which are assumed to be available on the host. CSI implicitly solves all these issues by being containerized and using the k8s storage primitives.

    CSI has evolved as the one-stop solution addressing all the above issues which enables storage plugins to be out-of-tree and deployed via standard k8s primitives, such as PVC, PV and StorageClasses.

    The main aim of introducing CSI is to establish a standard mechanism of exposing any type of storage system under-the-hood for all the container orchestrators.

    Deploy the Driver Plugin

    The CSI Driver comprises of a few main components which are various side cars and also the implementation of the CSI Services by the vendor, which will be understood by the Cos. The CSI Services will be described later in the blog. Let’s try out deploying hostpath CSI Driver.

    Prerequisites:

    • Kubernetes cluster (not Minikube or Microk8s): Running version 1.13 or later
    • Access to the terminal with Kubectl installed

    Deploying HostPath Driver Plugin:

    1. Clone the repo of HostPath Driver Plugin locally or just copy the deploy and example folder from the root path
    2. Checkout the master branch (if not)
    3. The hostpath driver comprises of manifests for following side-cars: (in ./deploy/master/hostpath/)
      – csi-hostpath-attacher.yaml
      – csi-hostpath-provisioner.yaml
      – csi-hostpath-snapshotter.yaml
      – csi-hostpath-plugin.yaml:
      It will deploy 2 containers, one is node-driver-registrar and a hospath-plugin
    4. The driver also includes separate Service for each component and in the deployment file with statefulsets for the containers
    5. It also deploys Cluster-role-bindings and RBAC rules for each component, maintained in a separate repo
    6. Each Component (side-car) is managed in a separate repository
    7. The /deploy/util/ contains a shell script which handles the complete deployment process
    8. After copying the folder or cloning the repo, just run:    
    $ deploy/kubernetes-latest/deploy-hostpath.sh

         9. The output will be similar to:

    applying RBAC rules
    kubectl apply -f https://raw.githubusercontent.com/kubernetes-csi/external-provisioner/v1.0.1/deploy/kubernetes/rbac.yaml
    serviceaccount/csi-provisioner created
    clusterrole.rbac.authorization.k8s.io/external-provisioner-runner created
    clusterrolebinding.rbac.authorization.k8s.io/csi-provisioner-role created
    role.rbac.authorization.k8s.io/external-provisioner-cfg created
    rolebinding.rbac.authorization.k8s.io/csi-provisioner-role-cfg created
    kubectl apply -f https://raw.githubusercontent.com/kubernetes-csi/external-attacher/v1.0.1/deploy/kubernetes/rbac.yaml
    serviceaccount/csi-attacher created
    clusterrole.rbac.authorization.k8s.io/external-attacher-runner created
    clusterrolebinding.rbac.authorization.k8s.io/csi-attacher-role created
    role.rbac.authorization.k8s.io/external-attacher-cfg created
    rolebinding.rbac.authorization.k8s.io/csi-attacher-role-cfg created
    kubectl apply -f https://raw.githubusercontent.com/kubernetes-csi/external-snapshotter/v1.0.1/deploy/kubernetes/rbac.yaml
    serviceaccount/csi-snapshotter created
    clusterrole.rbac.authorization.k8s.io/external-snapshotter-runner created
    clusterrolebinding.rbac.authorization.k8s.io/csi-snapshotter-role created
    deploying hostpath components
       deploy/kubernetes-1.13/hostpath/csi-hostpath-attacher.yaml
            using           image: quay.io/k8scsi/csi-attacher:v1.0.1
    service/csi-hostpath-attacher created
    statefulset.apps/csi-hostpath-attacher created
       deploy/kubernetes-1.13/hostpath/csi-hostpath-plugin.yaml
            using           image: quay.io/k8scsi/csi-node-driver-registrar:v1.0.2
            using           image: quay.io/k8scsi/hostpathplugin:v1.0.1
            using           image: quay.io/k8scsi/livenessprobe:v1.0.2
    service/csi-hostpathplugin created
    statefulset.apps/csi-hostpathplugin created
       deploy/kubernetes-1.13/hostpath/csi-hostpath-provisioner.yaml
            using           image: quay.io/k8scsi/csi-provisioner:v1.0.1
    service/csi-hostpath-provisioner created
    statefulset.apps/csi-hostpath-provisioner created
       deploy/kubernetes-1.13/hostpath/csi-hostpath-snapshotter.yaml
            using           image: quay.io/k8scsi/csi-snapshotter:v1.0.1
    service/csi-hostpath-snapshotter created
    statefulset.apps/csi-hostpath-snapshotter created
       deploy/kubernetes-1.13/hostpath/csi-hostpath-testing.yaml
            using           image: alpine/socat:1.0.3
    service/hostpath-service created
    statefulset.apps/csi-hostpath-socat created
    11:43:06 waiting for hostpath deployment to complete, attempt #0
    11:43:16 waiting for hostpath deployment to complete, attempt #1
    11:43:26 waiting for hostpath deployment to complete, attempt #2
    deploying snapshotclass
    volumesnapshotclass.snapshot.storage.k8s.io/csi-hostpath-snapclass created

         10. The driver is deployed, we can check:

    $ kubectl get pods
    
    NAME                          READY   STATUS        RESTARTS    AGE
    csi-hostpath-attacher-0       1/1     Running        0          1m06s
    csi-hostpath-provisioner-0    1/1     Running        0          1m06s
    csi-hostpath-snapshotter-0    1/1     Running        0          1m06s
    csi-hostpathplugin-0          2/2     Running        0          1m06s

    CSI API-Resources:

    $ kubectl api-resources | grep -E "^Name|csi|storage|PersistentVolume"
    
    NAME                     APIGROUP                  NAMESPACED     KIND
    persistentvolumesclaims                            true           PersistentVolumeClaim
    persistentvolume                                   false          PersistentVolume
    csidrivers               csi.storage.k8s.io        false          CSIDrivers
    volumesnapshotclasses    snapshot.storage.k8s.io   false          VolumeSnapshotClass
    volumesnapshotcontents   snapshot.storage.k8s.io   false          VolumeSnapshotContent
    Volumesnapshots          snapshot.storage.k8s.io   true           VolumeSnapshot
    csidrivers               storage.k8s.io            false          CSIDriver
    csinodes                 storage.k8s.io            false          CSINode
    storageclasses           storage.k8s.io            false          VolumeAttachment

    There are resources from core apigroups, storage.k8s.io and resources which created by CRDs snapshot.storage.k8s.io and csi.storage.k8s.io.

    CSI SideCars

    K8s CSI containers are sidecars that simplify the development and deployment of the CSI Drivers on a k8s cluster. Different Drivers have some similar logic to trigger the appropriate operations against the “CSI volume driver” container and update the Kubernetes API as appropriate.

    The common controller (common containers) has to be bundled with the provider-specific containers.

    The official sig-k8s contributors maintain the following basic skeleton containers for any CSI Driver:

    Note: In case of Hostpath driver, only ‘csi-hostpath-plugin’ container will be having the specific code. All the others are common CSI sidecar containers. These containers have a socket mounted in the socket-dir volume of type EmptyDir, which makes their communication possible using gRPC

    1. External Provisioner:
      It  is a sidecar container that watches Kubernetes PersistentVolumeClaim objects and triggers CSI CreateVolume and DeleteVolume operations against a driver endpoint.
      The CSI external-attacher also supports the Snapshot DataSource. If a Snapshot CRD is specified as a data source on a PVC object, the sidecar container fetches the information about the snapshot by fetching the SnapshotContent object and populates the data source field indicating to the storage system that new volume should be populated using specified snapshot.
    2. External Attacher :
      It  is a sidecar container that watches Kubernetes VolumeAttachment objects and triggers CSI ControllerPublish and ControllerUnpublish operations against a driver endpoint
    3. Node-Driver Registrar:
      It is a sidecar container that registers the CSI driver with kubelet, and adds the drivers custom NodeId to a label on the Kubernetes Node API Object. The communication of this sidecar is handled by the ‘Identity-Service’ implemented by the driver. The CSI Driver is registered with the kubelet using its device–plugin mechanisms
    4. External Snapshotter:
      It is a sidecar container that watches the Kubernetes API server for VolumeSnapshot and VolumeSnapshotContent CRD objects.The creation of a new VolumeSnapshot object referencing a SnapshotClass CRD object corresponding to this driver causes the sidecar container to provision a new snapshot.
    5. This sidecar listens to the service which indicates the successful creation of VolumeSnapshot, and immediately creates the VolumeSnapshotContent resource
    6. Cluster-driver Registrar:
      CSI driver is registered with the cluster by a sidecar container CSI cluster-driver-registrar creating a CSIDriver object. This CSIDriver enables the driver to customize the way of k8s interaction with it.

    Developing a CSI Driver

    To start the implementation of CSIDriver, an application must implement the gRPC services described by the CSI Specification.

    The minimum service a CSI application should implement are following:

    • CSI Identity service: Enables Kubernetes components and CSI containers to identify the driver
    • CSI Node service: Required methods enable callers to make volume available at a specified path.

    All the required services may be implemented independently or in the same driver application. The CSI driver application should be containerised to make it easy to deploy on Kubernetes. Once the main specific logic of the driver is containerized, they can be attached to the sidecars and deployed, in node and/or controller mode.

    Capabilities

    CSI also have provisions to enable the custom CSI driver to support many additional features/services by using the “Capabilities”. It contains a list of all the features the driver supports.

    Note: Refer the link for detailed explanation for developing a CSI Driver.

    Try out provisioning the PV:

    1. A storage class with:

    volumeBindingMode: WaitForFirstConsumer
    kind: StorageClass
    apiVersion: storage.k8s.io/v1
    metadata:
      name: csi-hostpath-sc
    provisioner: hostpath.csi.k8s.io
    volumeBindingMode: WaitForFirstConsumer

    2. Now, A PVC is also needed to be consumed by the sample Pod.

    And also a sample pod is also required, so that it can be bounded with the PV created by the PVC from above step
    The above files are found in ./exmples directory and can be deployed using create or apply kubectl commands

    Validate the deployed components:

    apiVersion: v1
    kind: PersistentVolumeClaim
    metadata:
      name: pvc-fs
    spec:
      accessModes:
      - ReadWriteOnce
      resources:
        requests:
          storage: 1Gi
      storageClassName: csi-hostpath-sc # defined in csi-setup.yaml

    3. The Pod to consume the PV

    kind: Pod
    apiVersion: v1
    metadata:
      name: pod-fs
    spec:
      affinity:
        podAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchExpressions:
              - key: app
                operator: In
                values:
                - csi-hostpathplugin
            topologyKey: kubernetes.io/hostname
      containers:
        - name: my-frontend
          image: busybox
          volumeMounts:
          - mountPath: "/data"
            name: my-csi-volume
          command: [ "sleep", "1000000" ]
      volumes:
        - name: my-csi-volume
          persistentVolumeClaim:
            claimName: pvc-fs # defined in csi-pvc.yaml

    Validate the deployed components:

    $ kubectl get pv
    
    NAME                                    CAPACITY ACCESSMODES STATUS CLAIM         STORAGECLASS     
    pvc-58d5ec38-03e5-11e9-be51-000c29e88ff1  1Gi       RWO      Bound  default/pvc-fs csi-hostpath-sc
    $ kubectl get pvc
    
    NAME      STATUS   VOLUME                                     CAPACITY  ACCESS MODES    STORAGECLASS
    csi-pvc   Bound    pvc-58d5ec38-03e5-11e9-be51-000c29e88ff1     1Gi         RWO         csi-hostpath-sc

    Brief on how it works:

    • csi-provisioner issues CreateVolumeRequest call to the CSI socket, then hostpath-plugin calls CreateVolume and informs CSI about its creation
    • csi-provisioner creates PV and updates PVC to be bound and the VolumeAttachment object is created by controller-manager
    • csi-attacher which watches for VolumeAttachments submits ControllerPublishVolume rpc call to hostpath-plugin, then hostpaths-plugin gets ControllerPublishVolume and calls hostpath AttachVolume csi-attacher update VolumeAttachment status
    • All this time kubelet waits for volume to be attached and submits NodeStageVolume (format and mount to the node to the staging dir) to the csi-node.hostpath-plugin
    • csi-node.hostpath-plugin gets NodeStageVolume call and mounts to `/var/lib/kubelet/plugins/kubernetes.io/csi/pv/<pv-name>/globalmount`, then responses to kubelet</pv-name>
    • kubelet calls NodePublishVolume (mount volume to the pod’s dir)
    • csi-node.hostpath-plugin performs NodePublishVolume and mounts the volume to `/var/lib/kubelet/pods/<pod-uuid>/volumes/</pod-uuid>kubernetes.io~csi/<pvc-name>/mount`</pvc-name>

      Finally, kubelet starts container of the pod with the provisioned volume.


    Let’s confirm the working of Hostpath CSI driver:

    The Hostpath driver is configured to create new volumes in the hostpath container in the plugin daemonset under the ‘/tmp’ directory. This path persist as long as the DaemonSet pod is up and running.

    If a file is written in the hostpath mounted volume in an application pod, should be seen in the hostpath cotainer.A file written in a properly mounted Hostpath volume inside an application should show up inside the Hostpath container.

    1. To try out the above statement, Create a file on application pod

    $ kubectl exec -it pod-fs /bin/sh
    
    / # touch /data/my-test
    / # exit

    2. And then exec in the hostpath container and run ‘ls’ command to check

    $ kubectl exec -it $(kubectl get pods --selector app=csi-hostpathplugin 
    -o jsonpath='{.items[*].metadata.name}') -c hostpath /bin/sh
    
    / # find /tmp -name my-test
    /tmp/057485ab-c714-11e8-bb16-000c2967769a/my-test
    / # exit

    Note: The better way of the verification is to inspect the VolumeAttachment object created that represents the attached volume API object created that represents the attached volume

    Support for Snapshot

    Volume Snapshotting is introduced as an Alpha feature for the Kubernetes persistent volume in v1.12. 

    Being an alpha feature, ‘VolumeSnapshotDataSource’ feature gate needs to be enabled. This feature opens a pool of use cases of keeping the snapshot of data locally. The API objects used are VolumeSnapshot, VolumeSnapshotContent and VolumeSnapshotClass. It was developed with a similar notion and relationship of PV, PVC and StorageClass. 

    To create a snapshot, the VolumeSnapshot object needs to be created with the source as PVC and VolumeSnapshotClass

    and the CSI-Snapshotter container will create a VolumeSnaphsotContent.

    Let’s try out with an example:

    Just like the provisioner create a PV for us when a PVC is created, similarly a VolumeSnapshotContent object will be created when VolumeSnapshot object is created.

    apiVersion: snapshot.storage.k8s.io/v1alpha1
    kind: VolumeSnapshot
    metadata:
      name: fs-pv-snapshot
    spec:
      snapshotClassName: csi-hostpath-snapclass
      source:
        name: pvc-fs
        kind: PersistentVolumeClaim

    The volumesnapshotcontent is created. The output will look like:

    $ kubectl get volumesnapshotcontent
     
    NAME                                                  AGE
    snapcontent-f55db632-c716-11e8-8911-000c2967769a      14s

    Restore from the snapshot:

    The DataSource field in the PVC can accept the source of kind: VolumeSnapsot which will create a new PV from that volume snapshot, when a Pod is bound to this PVC.

    The new PV will be having the same data as of the PV from which the snapshot was taken and it can be attached to any other pod. The new pod having that PV, proves of the possible “Restore” and “Cloning” use cases.

    Tear Down CSI-Hostpath installation:

    apiVersion: v1
    kind: PersistentVolumeClaim
    metadata:
      name: fs-pvc-restore
    spec:
      storageClassName: csi-hostpath-sc
      dataSource:
        name: fs-pv-snapshot
        kind: VolumeSnapshot
        apiGroup: snapshot.storage.k8s.io
      accessModes:
        - ReadWriteOnce
      resources:
        requests:
          storage: 1Gi

    And we’re done here.

    Conclusion

    Since Kubernetes has started supporting the Raw Block Device type of Persistent Volume, hospath driver and any other driver may also support it, which will be explained in the next part of the blog. In this blog, we got deep understanding of the CSI, its components and services. The new features of CSI and the problems it solves. The CSI Hostpath driver was deeply in this blog to experiment and understand the provisioner, snapshotter flows for PV and VolumeSnapshots. Also, the PV snapshot, restore and cloning use cases were demonstrated.

  • A Comprehensive Tutorial to Implementing OpenTracing With Jaeger

    Introduction

    Recently, there has been a lot of discussion around OpenTracing. We’ll start this blog by introducing OpenTracing, explaining what it is and why it is gaining attention. Next, we will discuss distributed tracing system Jaeger and how it helps in troubleshooting microservices-based distributed systems. We will also set up Jaeger and learn to use it for monitoring and troubleshooting purposes.

    Drift to Microservice Architecture

    Microservice Architecture has now become the obvious choice for application developers. In the Microservice Architecture,  a monolithic application is broken down into a group of independently deployed services. In simple words,  an application is more like a collection of microservices. When we have millions of such intertwined microservices working together, it’s almost impossible to map the inter-dependencies of these services and understand the execution of a request.

    If a monolithic application fails then it is more feasible to do the root cause analysis and understand the path of a transaction using some logging frameworks. But in a microservice architecture, logging alone fails to deliver the complete picture.

    Is this service called first in the chain? How do I span all these services to get insight into the application? With questions like these, it becomes a significantly larger problem to debug a set of interdependent distributed services in comparison to a single monolithic application, making OpenTracing more and more popular.

    OpenTracing

    What is Distributed Tracing?

    Distributed tracing is a method used to monitor applications, mostly those built using the microservices architecture. Distributed tracing helps to highlight what causes poor performance and where failures occur.

    How OpenTracing Fits Into This?

    The OpenTracing API provides a standard, vendor neutral framework for instrumentation. This means that if a developer wants to try out a different distributed tracing system, then instead of repeating the whole instrumentation process for the new distributed tracing system, the developer can easily change the configuration of Tracer.

    OpenTracing uses basic terminologies, such as Span and Trace. You can read about them in detail here.

    OpenTracing is a way for services to “describe and propagate distributed traces without knowledge of the underlying OpenTracing implementation.

    Let us take the example of a service like renting a movie on any rental service like iTunes. A service like this requires many other microservices to check that the movie is available, proper payment credentials are received, and enough space exists on the viewer’s device for download. If either one of those microservice fail, then the entire transaction fails. In such a case, having logs just for the main rental service wouldn’t be very useful for debugging. However, if you were able to analyze each service you wouldn’t have to scratch your head to troubleshoot  which microservice failed and what made it fail.

    In real life, applications are even more complex and with the increasing complexity of applications, monitoring the applications has been a tedious task. Opentracing helps us to easily monitor:

    • Spans of services
    • Time taken by each service
    • Latency between the services
    • Hierarchy of services
    • Errors or exceptions during execution of each service.

    Jaeger: A Distributed Tracing System by Uber

    Jaeger, is released as an open source distributed tracing system by Uber Technologies. It is used for monitoring and troubleshooting microservices-based distributed systems, including:

    • Distributed transaction monitoring
    • Performance and latency optimization
    • Root cause analysis
    • Service dependency analysis
    • Distributed context propagation

    Major Components of Jaeger

    1. Jaeger Client Libraries
    2. Agent
    3. Collector
    4. Query
    5. Ingester

    Running Jaeger in a Docker Container

    1.  First, install Jaeger Client on your machine:

    $ pip install jaeger-client

    2.  Now, let’s run Jaeger backend as an all-in-one Docker image. The image launches the Jaeger UI, collector, query, and agent:

    $ docker run -d -p6831:6831/udp -p16686:16686 jaegertracing/all-in-one:latest

    TIP:  To check if the docker container is running, use: Docker ps.

    Once the container starts, open http://localhost:16686/  to access the Jaeger UI. The container runs the Jaeger backend with an in-memory store, which is initially empty, so there is not much we can do with the UI right now since the store has no traces.

    Creating Traces on Jaeger UI

    1.   Create a Python program to create Traces:

    Let’s generate some traces using a simple python program. You can clone the Jaeger-Opentracing repository given below for a sample program that is used in this blog.

    import sys
    import time
    import logging
    import random
    from jaeger_client import Config
    from opentracing_instrumentation.request_context import get_current_span, span_in_context
    
    def init_tracer(service):
        logging.getLogger('').handlers = []
        logging.basicConfig(format='%(message)s', level=logging.DEBUG)    
        config = Config(
            config={
                'sampler': {
                    'type': 'const',
                    'param': 1,
                },
                'logging': True,
            },
            service_name=service,
        )
        return config.initialize_tracer()
    
    def booking_mgr(movie):
        with tracer.start_span('booking') as span:
            span.set_tag('Movie', movie)
            with span_in_context(span):
                cinema_details = check_cinema(movie)
                showtime_details = check_showtime(cinema_details)
                book_show(showtime_details)
    
    def check_cinema(movie):
        with tracer.start_span('CheckCinema', child_of=get_current_span()) as span:
            with span_in_context(span):
                num = random.randint(1,30)
                time.sleep(num)
                cinema_details = "Cinema Details"
                flags = ['false', 'true', 'false']
                random_flag = random.choice(flags)
                span.set_tag('error', random_flag)
                span.log_kv({'event': 'CheckCinema' , 'value': cinema_details })
                return cinema_details
    
    def check_showtime( cinema_details ):
        with tracer.start_span('CheckShowtime', child_of=get_current_span()) as span:
            with span_in_context(span):
                num = random.randint(1,30)
                time.sleep(num)
                showtime_details = "Showtime Details"
                flags = ['false', 'true', 'false']
                random_flag = random.choice(flags)
                span.set_tag('error', random_flag)
                span.log_kv({'event': 'CheckCinema' , 'value': showtime_details })
                return showtime_details
    
    def book_show(showtime_details):
        with tracer.start_span('BookShow',  child_of=get_current_span()) as span:
            with span_in_context(span):
                num = random.randint(1,30)
                time.sleep(num)
                Ticket_details = "Ticket Details"
                flags = ['false', 'true', 'false']
                random_flag = random.choice(flags)
                span.set_tag('error', random_flag)
                span.log_kv({'event': 'CheckCinema' , 'value': showtime_details })
                print(Ticket_details)
    
    assert len(sys.argv) == 2
    tracer = init_tracer('booking')
    movie = sys.argv[1]
    booking_mgr(movie)
    # yield to IOLoop to flush the spans
    time.sleep(2)
    tracer.close()

    The Python program takes a movie name as an argument and calls three functions that get the cinema details, movie showtime details, and finally book a movie ticket.

    It creates some random delays in all the functions to make it more interesting, as in reality the functions would take certain time to get the details. Also the function throws random errors to give us a feel of how the traces of a real-life application may look like in case of failures.

    Here is a brief description of how OpenTracing has been used in the program:

    • Initializing a tracer:
    def init_tracer(service):
       logging.getLogger('').handlers = []
       logging.basicConfig(format='%(message)s', level=logging.DEBUG)   
       config = Config(
           config={
               'sampler': {
                   'type': 'const',
                   'param': 1,
               },
               'logging': True,
           },
           service_name=service,
       )
       return config.initialize_tracer()

    • Using the tracer instance:
    tracer = init_tracer('booking')

    • Starting new child spans using start_span:  
    with tracer.start_span('CheckCinema', child_of=get_current_span()) as span:

    • Using Tags:
    span.set_tag('Movie', movie)

    • Using Logs:
    span.log_kv({'event': 'CheckCinema' , 'value': cinema_details })

    2. Run the python program:

    $ python booking-mgr.py <movie-name>
    
    Initializing Jaeger Tracer with UDP reporter
    Using sampler ConstSampler(True)
    opentracing.tracer initialized to <jaeger_client.tracer.Tracer object at 0x7f72ffa25b50>[app_name=booking]
    Reporting span cfe1cc4b355aacd9:8d6da6e9161f32ac:cfe1cc4b355aacd9:1 booking.CheckCinema
    Reporting span cfe1cc4b355aacd9:88d294b85345ac7b:cfe1cc4b355aacd9:1 booking.CheckShowtime
    Ticket Details
    Reporting span cfe1cc4b355aacd9:98cbfafca3aa0fe2:cfe1cc4b355aacd9:1 booking.BookShow
    Reporting span cfe1cc4b355aacd9:cfe1cc4b355aacd9:0:1 booking.booking

    Now, check your Jaeger UI, you can see a new service “booking” added. Select the service and click on “Find Traces” to see the traces of your service. Every time you run the program a new trace will be created.

    You can now compare the duration of traces through the graph shown above. You can also filter traces using  “Tags” section under “Find Traces”. For example, Setting “error=true” tag will filter out all the jobs that have errors, as shown:

    To view the detailed trace, you can select a specific trace instance and check details like the time taken by each service, errors during execution and logs.

    The above trace instance has four spans, the first representing the root span “booking”, the second is the “CheckCinema”, the third is the “CheckShowtime” and last is the “BookShow”. In this particular trace instance, both the “CheckCinema” and “CheckShowtime” have reported errors, marked by the error=true tag.

    Conclusion

    In this blog, we’ve described the importance and benefits of OpenTracing, one of the core pillars of modern applications. We also explored how distributed tracer Jaeger collect and store traces while revealing inefficient portions of our applications. It is fully compatible with OpenTracing API and has a number of clients for different programming languages including Java, Go, Node.js, Python, PHP, and more.

    References

    • https://www.jaegertracing.io/docs/1.9/
    • https://opentracing.io/docs/
  • A Beginner’s Guide to Kubernetes Python Client

    A couple of weeks back, we started working with the Kubernetes Python client to carry out basic operations on its components/ resources, and that’s when we realized how few resources there were (guides, docs) on the internet. So, we experimented and decided to share our findings with the community.

    This article is targeted towards an audience that is familiar with Kubernetes, its usage, and its architecture. This is not a simple Kubernetes guide; it’s about Kubernetes using Python, so as we move further, we may shed light on a few things that are required, but a few will be left for self exploration.

    Kubernetes Overview

    Kubernetes is an open-source container orchestration tool, largely used to simplify the process of deployment, maintenance, etc. in application development. Kubernetes is built to offer highly available, scalable, and reliable applications.

    Generally, kubectl commands are used to create, list, and delete the Kubernetes resources, but for this article, we put on a developer’s hat and use the Python way of doing things. In this article, we learn how to create, manage, and interact with Kubernetes resources using the Kubernetes’ Python library.

    But why, you may ask?

    Well, having an option of doing things programmatically creates potential of endless exciting innovations for developers. Using Python, we can:

    • Create and manage Kubernetes resources dynamically
    • Apply algorithms that change the state, amount of resources in our cluster
    • Build a more robust application with solid alerting and monitoring features

    So, let us begin:

    Kubernetes achieves what it does with the help of its resources. These resources are the building blocks for developing a scalable, reliable application.

    Let’s briefly explore these resources to understand what they are and how exactly they work together in Kubernetes:

    • Node: Simple server, a physical/virtual machine.
    • Pod: Smallest unit of Kubernetes, provides abstraction over a container. Creates a running env/layer on top of the container. Usually runs only one application container but can run multiple as well.
    • Service: Static IP address for the pod. Remains the same even after the pod dies. Also doubles as a load-balancer for multiple pods:
      a) External services are used to make the app accessible through external sources.
      b) Internal services are used when accessibility is to be restricted.
    • Ingress: Additional layer of security and address translation for services. All the requests first go to ingress then forwarded to the service.
    • ConfigMap: External configuration of your app like urls of database or other services.
    • Secret: To store secret/sensitive data like db-credentials, etc., encoded in base_64 format.
    • Volumes: Kubernetes does not manage any data persistence on its own. Volumes are used to persist data generated by pods. It attaches a physical storage to the pod that can be both local or remote like cloud or on-premise servers.
    • Deployment: Defines blueprint of the pods and its replication factor. A layer of abstraction over pods makes the configuration convenient.
    • StatefulSet: Applications that are stateful are created using these to avoid data inconsistency. Same as deployment.

    These are a few of the basic Kubernetes resources. If you want to explore the rest of these resources, you can click here.

    Apart from these resources, there are also namespaces in Kubernetes. You will come across them quite a few times in this article, so here are some noteworthy points for Kubernetes namespaces:

    Kubernetes namespaces: Used to group/organize resources in the cluster. It is like a virtual cluster inside a cluster. Namespaces are used to:

    1. Structure resources
    2. Avoid conflicts between teams
    3. Share services between different environments
    4. Access restrictions
    5. Limiting resources.

    Setting up the system

    The Kubernetes library comes to our aid with quite a few modules, the ones featured in this article are client and config modules from the package; we will be using these two heavily. So, let’s install the Kubernetes Python Client:

    To install the Kubernetes Python client, we make use of Python’s standard package installer pip:

    pip install kubernetes

    For installation from the source, we can refer to this guide from the official Python client git repository. 

    Now that we have the python-kubernetes package installed, we can import it as:

    from kubernetes import client, config

    Loading cluster configurations

    To load our cluster configurations, we can use one of the following methods:

    config.load_kube_config()  # for local environment
    # or
    config.load_incluster_config()

    Executing this will load the configurations for your clusters from your local or remote .kube/config file.

    Interacting with Kubernetes Resources

    Now that we have loaded the configurations, we can use the client module to interact with the resources.

    Get Resources: kubectl get commands are used to list all kinds of resources in a cluster for eg:

    – List nodes: To list all the nodes in the cluster, we fire following kubectl command:

    kubectl get nodes  # lists all the nodes

    In Python, we instantiate CoreV1Api class from client module:

    v1 = client.CoreV1Api()
    v1.list_node()  
    # returns a JSON with all the info like spec, metadata etc, for each node

    – List namespaces: To list all the namespaces in your cluster, by-default lists at least four:

    kubectl get namespaces  
    #	NAME          		 STATUS   	AGE
    #	default       		 Active   	94d
    #	kube-public   		 Active   	94d
    #	kube-system   		 Active   	94d

    In the Python client, we can achieve the same by:

    v1.list_namespace()
    """
    returns a JSON with all the info like spec, metadata for each namespace
    For eg:
    {'api_version': 'v1',
     'items': [{'api_version': None,
            	'kind': None,
            	'metadata': {'annotations': None,
                         	'cluster_name': None,
                         	'creation_timestamp': datetime.datetime(2021, 2, 11, 11, 29, 32, tzinfo=tzutc()),
                         	'deletion_grace_period_seconds': None,
                         	'deletion_timestamp': None,
                         	'finalizers': None,
                         	'generate_name': None,
                         	'generation': None,
                         	'labels': None,
                         	'managed_fields': [{'api_version': 'v1',
                                             	'fields_type': 'FieldsV1',
                                             	'fields_v1': {'f:status': {'f:phase': {}}},
                                             	'manager': 'kube-apiserver',
                                             	'operation': 'Update',
                                             	'time': datetime.datetime(2021, 2, 11, 11, 29, 32, tzinfo=tzutc())}],
                         	'name': 'default',
                         	'namespace': None,
                         	'owner_references': None,
                         	'resource_version': '199',
                         	'self_link': None,
                         	'uid': '3a362d64-437d-45b5-af19-4af9ae2c75fc'},
            	'spec': {'finalizers': ['kubernetes']},
            	'status': {'conditions': None, 'phase': 'Active'}}],
    'kind': 'NamespaceList',
     'metadata': {'_continue': None,
              	'remaining_item_count': None,
              	'resource_version': '69139',
              	'self_link': None}}
    """

    Similarly, we can list all the resources or resources in a particular namespace.

    For example, to list pods in all namespaces:

    v1.list_pod_for_all_namespaces()
    v1.list_persistent_volume_claim_for_all_namespaces()

    For all the resources that can be group within a given namespace, we can use:

    # v1.list_namespaced_pod(<namespace>)
    v1.list_namespaced_pod(namespace=’default’)
    
    # v1.list_namespaced_service(<namespace>)
    v1.list_namespaced_service(namespace=’default’)
    and so on.

    Creating Resources: The usual way to create resources in Kubernetes is to use a kubectl create command with required parameters (defaults if not specified) or to use kubectl apply command, which takes a YAML/JSON format configuration file as input. This file contains all the specifications and metadata for the component to be created. For example:

    kubectl create deployment my-nginx-depl --image=nginx
    kubectl apply -f nginx_depl.yaml

    Where the contents of nginx_depl.yaml could be as follows:

    apiVersion: apps/v1
    kind: Deployment
    metadata:
      name: nginx-deployment
      labels:
        app: nginx
    spec:
      replicas: 3
      selector:
        matchLabels:
          app: nginx
      template:
        metadata:
          labels:
            app: nginx
        spec:
          containers:
          - name: nginx
            image: nginx:1.14.2
            ports:
            - containerPort: 80

    To create resources in Python, though, we use create functions from the same instance of CoreV1Api class:

    # v1.create_namespaced_pod(<namespace>, <body>)
    # v1.create_namespaced_persistent_volume_claim(<namespace>, <body>)

    So, basically, we just need two things: a string type namespace in which we want our resource to be in and a body.

    This body is the same as the config.yaml file that we saw earlier. But, how exactly do we create or use that in our code? We utilize the component specific classes that this library offers us for this.

    Let us take an example, to create a pod we use V1Pod class from the Kubernetes.client.

    An instance of this V1Pod contains all the params like kind, metadata, spec, etc., so all we need to pass them and then we are good. And while we are at it, let’s create metadata and spec as well using a couple more classes.

    1. V1ObjectMeta: This takes all the fields that can be part of metadata as parameters, e.g.

    metadata = client.V1ObjectMeta(name='md1')
    
    # We could also set fields by accessing them through instance like:
    metadata.name = 'md2'

    2. V1Container: If you recall the brief definition of Kubernetes pods given earlier, we realize that pods are just layers above containers, which means we will have to provide the container(s) that the pods abstracts over. The V1Container class from Kubernetes client does just what we need.

    These containers run the specified image, with their name taken as a parameter by the object. Containers also have several other parameters like volume_mounts, ports that can also be passed while instantiation or could be set later using object reference.

    We create a container using:

    # container1 = client.V1Container(<name>, <image>) e.g:
    container1 = client.V1Container(‘my_container’, ‘nginx’)

    Kubernetes pods can have multiple containers running inside, hence the V1PodSpec class expects a list of those while we create a pod spec.

    containers = [container1, container2…]

    3. V1PodSpec: Depending on the component we are working on, the class for its spec and params change. For a pod, we can use V1PodSpec as:

    # pod_spec = client.V1PodSpec(<containers_list>)
    pod_spec = client.V1PodSpec(containers=containers)

    Now that we have both metadata and spec, let’s construct the pod’s body:

    pod_body = client.V1Pod(metadata=metadata, spec=pod_spec, kind='Pod', api_version='v1')

    And then, finally we could pass these to create a pod:

    pod = v1.create_namespaced_pod(namespace=my-namespace, body=pod_body)

    And there you have it, that’s how you create a pod.

    Similarly, we can create other resources, although not all resources take the same set of parameters, for example PersistentVolume (PV in short) does not come under namespaces, it is a cluster wide resource, so naturally it won’t be expecting a namespace parameter.

    Fetching Logs:

    When it comes to monitoring and debugging Kubernetes’ resources, logs play a major role. Using the Kubernetes Python client, we can fetch logs for resources. For example, to fetch logs for a pod:

    Using kubectl:

    # kubectl logs pod_name
    kubectl logs my-pod

    Using Python:

    pod_logs = v1.read_namespaced_pod_log(<pod_name>, <namespace>)
    pod_logs = v1.read_namespaced_pod_log(name=’my-app’, namespace=’default’)

    Deleting Resources: For deletion, we will be following the same class that we have been using so far, i.e kubernetes.client.CoreV1Api.

    There are functions that directly deal with deletion of that component, for example:

    #v1.delete_namespaced_pod(<pod_name>, <namespace>)
    v1.delete_namespaced_pod(name=’my-app’, namespace=’default’)

    Pass the required parameters and the deletion will take place as expected.

    Complete Example for creating a Kubernetes Pod:

    from kubernetes import client, config
    	
    config.load_kube_config()
    v1 = client.CoreV1Api()
    	
    namespaces_list = v1.list_namespace()
    namespaces = [item.metadata.name for item in namespaces_list.items]
    	
    pods_list = v1.list_namespaced_pod(namespace=’default’)
    pods = [item.metadata.name for item in pod_list.items]
    
    containers = []
    container1 = client.V1Container(name=’my-nginx-container’, image=’nginx’)
    containers.append(container1)
    	
    pod_spec = client.V1PodSpec(containers=containers)
    pod_metadata = client.V1ObjectMeta(name=’my-pod’, namespace=’default’)
    
    pod_body = client.V1Pod(api_version=’v1’, kind=’Pod’, metadata=pod_metadata, spec=pod_spec)
    	
    v1.create_namespaced_pod(namespace=’default’, body=pod_body)
    	
    pod_logs = v1.read_namespaced_pod_log(name=’my-pod’, namespace='default')
    
    v1.delete_namespaced_pod(namespace=’default’, name=’my-pod’)

    Conclusion

    There are quite a lot of ways this article could have been written, but as we conclude, it’s quite evident that we have barely scratched the surface. There are many more interesting, advanced things that we can do with this library, but those are beyond the scope of this article.

    We can do almost all the operations with the Python client that we usually do with kubectl on Kubernetes resources. We hope that we managed to keep the content both interesting and informative. 

    If you’re looking for a comprehensive guide on Kubernetes or something interesting to do with it, don’t worry, we’ve got you covered. You can refer to a few of our other articles and might find just what you need:

    1. Kubernetes CSI in Action: Explained with Features and Use Cases

    2. Continuous Deployment with Azure Kubernetes Service, Azure Container Registry & Jenkins

    3. Demystifying High Availability in Kubernetes Using Kubeadm

    References

    1. Official Kubernetes documentation: https://kubernetes.io/docs

    2. Kubernetes Resources: https://kubernetes.io/docs/reference/glossary/?core-object=true

    3. Kubernetes Python client: https://github.com/kubernetes-client/python

    4. Kubclt: https://kubernetes.io/docs/reference/kubectl/overview/

  • Automated Containerization and Migration of On-premise Applications to Cloud Platforms

    Containerized applications are becoming more popular with each passing year. All enterprise applications are adopting container technology as they modernize their IT systems. Migrating your applications from VMs or physical machines to containers comes with multiple advantages like optimal resource utilization, faster deployment times, replication, quick cloning, lesser lock-in and so on. Various container orchestration platforms like Kubernetes, Google Container Engine (GKE), Amazon EC2 Container Service (Amazon ECS) help in quick deployment and easy management of your containerized applications. But in order to use these platforms, you need to migrate your legacy applications to containers or rewrite/redeploy your applications from scratch with the containerization approach. Rearchitecting your applications using containerization approach is preferable, but is that possible for complex legacy applications? Is your deployment team capable enough to list down each and every detail about the deployment process of your application? Do you have the patience of authoring a Docker file for each of the components of your complex application stack?

    Automated migrations!

    Velotio has been helping customers with automated migration of VMs and bare-metal servers to various container platforms. We have developed automation to convert these migrated applications as containers on various container deployment platforms like GKE, Amazon ECS and Kubernetes. In this blog post, we will cover one such migration tool developed at Velotio which will migrate your application running on a VM or physical machine to Google Container Engine (GKE) by running a single command.

    Migration tool details

    We have named our migration tool as A2C(Anything to Container). It can migrate applications running on any Unix or Windows operating system. 

    The migration tool requires the following information about the server to be migrated:

    • IP of the server
    • SSH User, SSH Key/Password of the application server
    • Configuration file containing data paths for application/database/components (more details below)
    • Required name of your docker image (The docker image that will get created for your application)
    • GKE Container Cluster details

    In order to store persistent data, volumes can be defined in container definition. Data changes done on volume path remain persistent even if the container is killed or crashes. Volumes are basically filesystem path from host machine on which your container is running, NFS or cloud storage. Containers will mount the filesystem path from your local machine to container, leading to data changes being written on the host machine filesystem instead of the container’s filesystem. Our migration tool supports data volumes which can be defined in the configuration file. It will automatically create disks for the defined volumes and copy data from your application server to these disks in a consistent way.

    The configuration file we have been talking about is basically a YAML file containing filesystem level information about your application server. A sample of this file can be found below:

    includes:
    - /
    volumes:
    - var/log/httpd
    - var/log/mariadb
    - var/www/html
    - var/lib/mysql
    excludes:
    - mnt
    - var/tmp
    - etc/fstab
    - proc
    - tmp

    The configuration file contains 3 sections: includes, volumes and excludes:

    • Includes contains filesystem paths on your application server which you want to add to your container image.
    • Volumes contain filesystem paths on your application server which stores your application data. Generally, filesystem paths containing database files, application code files, configuration files, log files are good candidates for volumes.
    • The excludes section contains filesystem paths which you don’t want to make part of the container. This may include temporary filesystem paths like /proc, /tmp and also NFS mounted paths. Ideally, you would include everything by giving “/” in includes section and exclude specifics in exclude section.

    Docker image name to be given as input to the migration tool is the docker registry path in which the image will be stored, followed by the name and tag of the image. Docker registry is like GitHub of docker images, where you can store all your images. Different versions of the same image can be stored by giving version specific tag to the image. GKE also provides a Docker registry. Since in this demo we are migrating to GKE, we will also store our image to GKE registry.

    GKE container cluster details to be given as input to the migration tool, contains GKE specific details like GKE project name, GKE container cluster name and GKE region name. A container cluster can be created in GKE to host the container applications. We have a separate set of scripts to perform cluster creation operation. Container cluster creation can also be done easily through GKE UI. For now, we will assume that we have a 3 node cluster created in GKE, which we will use to host our application.

    Tasks performed under migration

    Our migration tool (A2C), performs the following set of activities for migrating the application running on a VM or physical machine to GKE Container Cluster:

    1. Install the A2C migration tool with all it’s dependencies to the target application server

    2. Create a docker image of the application server, based on the filesystem level information given in the configuration file

    3. Capture metadata from the application server like configured services information, port usage information, network configuration, external services, etc.

    4.  Push the docker image to GKE container registry

    5. Create disk in Google Cloud for each volume path defined in configuration file and prepopulate disks with data from application server

    6. Create deployment spec for the container application in GKE container cluster, which will open the required ports, configure required services, add multi container dependencies, attach the pre populated disks to containers, etc.

    7. Deploy the application, after which you will have your application running as containers in GKE with application software in running state. New application URL’s will be given as output.

    8. Load balancing, HA will be configured for your application.

    Demo

    For demonstration purpose, we will deploy a LAMP stack (Apache+PHP+Mysql) on a CentOS 7 VM and will run the migration utility for the VM, which will migrate the application to our GKE cluster. After the migration we will show our application preconfigured with the same data as on our VM, running on GKE.

    Step 1

    We setup LAMP stack using Apache, PHP and Mysql on a CentOS 7 VM in GCP. The PHP application can be used to list, add, delete or edit user data. The data is getting stored in MySQL database. We added some data to the database using the application and the UI would show the following:

    Step 2

    Now we run the A2C migration tool, which will migrate this application stack running on a VM into a container and auto-deploy it to GKE.

    # ./migrate.py -c lamp_data_handler.yml -d "tcp://35.202.201.247:4243" -i migrate-lamp -p glassy-chalice-XXXXX -u root -k ~/mykey -l a2c-host --gcecluster a2c-demo --gcezone us-central1-b 130.211.231.58

    Pushing converter binary to target machine
    Pushing data config to target machine
    Pushing installer script to target machine
    Running converter binary on target machine
    [130.211.231.58] out: creating docker image
    [130.211.231.58] out: image created with id 6dad12ba171eaa8615a9c353e2983f0f9130f3a25128708762228f293e82198d
    [130.211.231.58] out: Collecting metadata for image
    [130.211.231.58] out: Generating metadata for cent7
    [130.211.231.58] out: Building image from metadata
    Pushing the docker image to GCP container registryInitiate remote data copy
    Activated service account credentials for: [glassy-chaliceXXXXX@appspot.gserviceaccount.com]
    for volume var/log/httpd
    Creating disk migrate-lamp-0
    Disk Created Successfully
    transferring data from sourcefor volume var/log/mariadb
    Creating disk migrate-lamp-1
    Disk Created Successfully
    transferring data from sourcefor volume var/www/html
    Creating disk migrate-lamp-2
    Disk Created Successfully
    transferring data from sourcefor volume var/lib/mysql
    Creating disk migrate-lamp-3
    Disk Created Successfully
    transferring data from sourceConnecting to GCP cluster for deployment
    Created service file /tmp/gcp-service.yaml
    Created deployment file /tmp/gcp-deployment.yaml

    Deploying to GKE

    $ kubectl get pod
    
    NAMEREADY STATUSRESTARTS AGE
    migrate-lamp-3707510312-6dr5g 0/1 ContainerCreating 058s

    $ kubectl get deployment
    
    NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE
    migrate-lamp 1 1 10 1m

    $ kubectl get service
    
    NAME CLUSTER-IP EXTERNAL-IP PORT(S)AGE
    kubernetes 10.59.240.1443/TCP23hmigrate-lamp 10.59.248.44 35.184.53.100 3306:31494/TCP,80:30909/TCP,22:31448/TCP 53s

    You can access your application using above connection details!

    Step 3

    Access LAMP stack on GKE using the IP 35.184.53.100 on default 80 port as was done on the source machine.

    Here is the Docker image being created in GKE Container Registry:

    We can also see that disks were created with migrate-lamp-x, as part of this automated migration.

    Load Balancer also got provisioned in GCP as part of the migration process

    Following service files and deployment files were created by our migration tool to deploy the application on GKE:

    # cat /tmp/gcp-service.yaml
    apiVersion: v1
    kind: Service
    metadata:
    labels:
    app: migrate-lamp
    name: migrate-lamp
    spec:
    ports:
    - name: migrate-lamp-3306
    port: 3306
    - name: migrate-lamp-80
    port: 80
    - name: migrate-lamp-22
    port: 22
    selector:
    app: migrate-lamp
    type: LoadBalancer

    # cat /tmp/gcp-deployment.yaml
    apiVersion: extensions/v1beta1
    kind: Deployment
    metadata:
    labels:
    app: migrate-lamp
    name: migrate-lamp
    spec:
    replicas: 1
    selector:
    matchLabels:
    app: migrate-lamp
    template:
    metadata:
    labels:
    app: migrate-lamp
    spec:
    containers:
    - image: us.gcr.io/glassy-chalice-129514/migrate-lamp
    name: migrate-lamp
    ports:
    - containerPort: 3306
    - containerPort: 80
    - containerPort: 22
    securityContext:
    privileged: true
    volumeMounts:
    - mountPath: /var/log/httpd
    name: migrate-lamp-var-log-httpd
    - mountPath: /var/www/html
    name: migrate-lamp-var-www-html
    - mountPath: /var/log/mariadb
    name: migrate-lamp-var-log-mariadb
    - mountPath: /var/lib/mysql
    name: migrate-lamp-var-lib-mysql
    volumes:
    - gcePersistentDisk:
    fsType: ext4
    pdName: migrate-lamp-0
    name: migrate-lamp-var-log-httpd
    - gcePersistentDisk:
    fsType: ext4
    pdName: migrate-lamp-2
    name: migrate-lamp-var-www-html
    - gcePersistentDisk:
    fsType: ext4
    pdName: migrate-lamp-1
    name: migrate-lamp-var-log-mariadb
    - gcePersistentDisk:
    fsType: ext4
    pdName: migrate-lamp-3
    name: migrate-lamp-var-lib-mysql

    Conclusion

    Migrations are always hard for IT and development teams. At Velotio, we have been helping customers to migrate to cloud and container platforms using streamlined processes and automation. Feel free to reach out to us at contact@rsystems.com to know more about our cloud and container adoption/migration offerings.

  • An Innovator’s Guide to Kubernetes Storage Using Ceph

    Kubernetes, the awesome container orchestration tool is changing the way applications are being developed and deployed. You can specify the required resources you want and have it available without worrying about the underlying infrastructure. Kubernetes is way ahead in terms of high availability, scaling, managing your application, but storage section in the k8s is still evolving. Many storage supports are getting added and are production ready.

    People are preferring clustered applications to store the data. But, what about the non-clustered applications? Where does these applications store data to make it highly available? Considering these questions, let’s go through the Ceph storage and its integration with Kubernetes.

    What is Ceph Storage?

    Ceph is open source, software-defined storage maintained by RedHat. It’s capable of block, object, and file storage. The clusters of Ceph are designed in order to run on any hardware with the help of an algorithm called CRUSH (Controlled Replication Under Scalable Hashing). This algorithm ensures that all the data is properly distributed across the cluster and data quickly without any constraints. Replication, Thin provisioning, Snapshots are the key features of the Ceph storage.

    There are good storage solutions like Gluster, Swift but we are going with Ceph for following reasons:

    1. File, Block, and Object storage in the same wrapper.
    2. Better transfer speed and lower latency
    3. Easily accessible storage that can quickly scale up or down

    We are going to use 2 types of storage in this blog to integrate with kubernetes.

    1. Ceph-RBD
    2. CephFS

    Ceph Deployment

    Deploying highly available Ceph cluster is pretty straightforward and easy. I am assuming that you are familiar with setting up the Ceph cluster. If not then refer the official document here.

    If you check the status, you should see something like:

    # ceph -s
      cluster:
        id:     ed0bfe4e-f44c-4797-9bc6-21a988b645c7
        health: HEALTH_OK
     
      services:
        mon: 3 daemons, quorum ip-10-0-1-118,ip-10-0-1-172,ip-10-0-1-227
        mgr: ip-10-0-1-118(active), standbys: ip-10-0-1-227, ip-10-0-1-172
        mds: cephfs-1/1/1 up  {0=ip-10-0-1-118=up:active}
        osd: 3 osds: 3 up, 3 in
     
      data:
        pools:   2 pools, 160 pgs
        objects: 22  objects, 19 KiB
        usage:   3.0 GiB used, 21 GiB / 24 GiB avail
        pgs:     160 active+clean
    @velotiotech

    Here notice that my Ceph monitors IPs are 10.0.1.118, 10.0.1.227 and 10.0.1.172

    K8s Integration

    After setting up the Ceph cluster, we would consume it with Kubernetes.  I am assuming that your Kubernetes cluster is up and running. We will be using Ceph-RBD and CephFS as storage in Kubernetes.

    Ceph-RBD and Kubernetes

    We need a Ceph RBD client to achieve interaction between Kubernetes cluster and CephFS. This client is not in the official kube-controller-manager container so let’s try to create the external storage plugin for Ceph.

    kind: ClusterRole
    apiVersion: rbac.authorization.k8s.io/v1
    metadata:
      name: rbd-provisioner
    rules:
      - apiGroups: [""]
        resources: ["persistentvolumes"]
        verbs: ["get", "list", "watch", "create", "delete"]
      - apiGroups: [""]
        resources: ["persistentvolumeclaims"]
        verbs: ["get", "list", "watch", "update"]
      - apiGroups: ["storage.k8s.io"]
        resources: ["storageclasses"]
        verbs: ["get", "list", "watch"]
      - apiGroups: [""]
        resources: ["events"]
        verbs: ["create", "update", "patch"]
      - apiGroups: [""]
        resources: ["services"]
        resourceNames: ["kube-dns","coredns"]
        verbs: ["list", "get"]
      - apiGroups: [""]
        resources: ["endpoints"]
        verbs: ["get", "list", "watch", "create", "update", "patch"]
    ---
    kind: ClusterRoleBinding
    apiVersion: rbac.authorization.k8s.io/v1
    metadata:
      name: rbd-provisioner
    subjects:
      - kind: ServiceAccount
        name: rbd-provisioner
        namespace: kube-system
    roleRef:
      kind: ClusterRole
      name: rbd-provisioner
      apiGroup: rbac.authorization.k8s.io
    ---
    apiVersion: rbac.authorization.k8s.io/v1beta1
    kind: Role
    metadata:
      name: rbd-provisioner
    rules:
    - apiGroups: [""]
      resources: ["secrets"]
      verbs: ["get"]
    ---
    apiVersion: rbac.authorization.k8s.io/v1
    kind: RoleBinding
    metadata:
      name: rbd-provisioner
    roleRef:
      apiGroup: rbac.authorization.k8s.io
      kind: Role
      name: rbd-provisioner
    subjects:
    - kind: ServiceAccount
      name: rbd-provisioner
      namespace: kube-system
    ---
    apiVersion: v1
    kind: ServiceAccount
    metadata:
      name: rbd-provisioner
    ---
    apiVersion: extensions/v1beta1
    kind: Deployment
    metadata:
      name: rbd-provisioner
    spec:
      replicas: 1
      strategy:
        type: Recreate
      template:
        metadata:
          labels:
            app: rbd-provisioner
        spec:
          containers:
          - name: rbd-provisioner
            image: "quay.io/external_storage/rbd-provisioner:latest"
            env:
            - name: PROVISIONER_NAME
              value: ceph.com/rbd
          serviceAccount: rbd-provisioner

    # kubectl create -n kube-system -f  Ceph-RBD-Provisioner.yaml

    • You will get output like this:
    clusterrole.rbac.authorization.k8s.io/rbd-provisioner created
    clusterrolebinding.rbac.authorization.k8s.io/rbd-provisioner created
    role.rbac.authorization.k8s.io/rbd-provisioner created
    rolebinding.rbac.authorization.k8s.io/rbd-provisioner created
    serviceaccount/rbd-provisioner created
    deployment.extensions/rbd-provisioner created

    • Check RBD volume provisioner status and wait till it comes up in running state. You would see something like following:
    [root@ip-10-0-1-226 Ceph-RBD]# kubectl get pods -l app=rbd-provisioner -n kube-system
    NAME                               READY     STATUS    RESTARTS   AGE
    rbd-provisioner-857866b5b7-vc4pr   1/1       Running   0          16s

    • Once the provisioner is up, provisioner needs the admin key for the storage provision. You can run the following command to get the admin key:
    # ceph auth get-key client.admin
    AQDyWw9dOUm/FhAA4JCA9PXkPo6+OXpOj9N2ZQ==
    
    # kubectl create secret generic ceph-secret 
        --type="kubernetes.io/rbd" 
        --from-literal=key='AQDyWw9dOUm/FhAA4JCA9PXkPo6+OXpOj9N2ZQ==' 
        --namespace=kube-system

    • Let’s create a separate Ceph pool for Kubernetes and the new client key:
    # ceph --cluster ceph osd pool create kube 1024 1024
    # ceph --cluster ceph auth get-or-create client.kube mon 'allow r' osd 'allow rwx pool=kube'

    • Get the auth token which we created in the above command and create kubernetes secret for new client secret for kube pool.
    # ceph --cluster ceph auth get-key client.kube
    AQDabg9d4MBeIBAAaOhTjqsYpsNa4X10V0qCfw==
    
    # kubectl create secret generic ceph-secret-kube 
        --type="kubernetes.io/rbd" 
        --from-literal=key=”AQDabg9d4MBeIBAAaOhTjqsYpsNa4X10V0qCfw=='' 
        --namespace=kube-system

    • Now let’s create the storage class.
    apiVersion: storage.k8s.io/v1
    kind: StorageClass
    metadata:
      name: fast-rbd
    provisioner: ceph.com/rbd
    parameters:
      monitors: 10.0.1.118:6789, 10.0.1.227:6789, 10.0.1.172:6789
      adminId: admin
      adminSecretName: ceph-secret
      adminSecretNamespace: kube-system
      pool: kube
      userId: kube
      userSecretName: ceph-secret-kube
      userSecretNamespace: kube-system
      imageFormat: "2"
      imageFeatures: layering

    # kubectl create -f Ceph-RBD-StorageClass.yaml

    • We are all set now. We can test the Ceph-RBD by creating the PVC. After creating the PVC, PV will get created automatically.  Let’s create the PVC now:
    kind: PersistentVolumeClaim
    apiVersion: v1
    metadata:
      name: testclaim
    spec:
      accessModes:
        - ReadWriteOnce
      resources:
        requests:
          storage: 1Gi
      storageClassName: fast-rbd

    # kubectl create -f Ceph-RBD-PVC.yaml
    
    [root@ip-10-0-1-226 Ceph-RBD]# kubectl get pvc
    NAME      STATUS    VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS   AGE
    testclaim  Bound     pvc-c215ad98-95b3-11e9-8b5d-12e154d66096   1Gi        RWO            fast-rbd       2m

    • If you check pvc, you’ll find it shows that it’s been bounded with the pv which got created by storage class.
    • Let’s check the persistent volume
    [root@ip-10-0-1-226 Ceph-RBD]# kubectl get pv
    NAME                                       CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS    CLAIM             STORAGECLASS   REASON    AGE
    pvc-c215ad98-95b3-11e9-8b5d-12e154d66096   1Gi        RWO            Delete           Bound     default/testclaim   fast-rbd                 8m

    Till now we have seen how to use the block based storage i.e Ceph-RBD with kubernetes by creating the dynamic storage provisioner. Now let’s go through the process for setting up the storage using file system based storage i.e. CephFS.  

    CephFS and Kubernetes

    • Let’s create the provisioner and storage class for the CephFS.  Create the dedicated namespace for CephFS
    # kubectl create ns cephfs

    • Create the kubernetes secrete using the Ceph admin auth token
    # ceph auth get-key client.admin
    AQDyWw9dOUm/FhAA4JCA9PXkPo6+OXpOj9N2ZQ==
    
    # kubectl create secret generic ceph-secret-admin --from-literal=key="AQDyWw9dOUm/FhAA4JCA9PXkPo6+OXpOj9N2ZQ==" -n cephfs

    • Create the cluster role, role binding, provisioner
    kind: ClusterRole
    apiVersion: rbac.authorization.k8s.io/v1
    metadata:
      name: cephfs-provisioner
      namespace: cephfs
    rules:
      - apiGroups: [""]
        resources: ["persistentvolumes"]
        verbs: ["get", "list", "watch", "create", "delete"]
      - apiGroups: [""]
        resources: ["persistentvolumeclaims"]
        verbs: ["get", "list", "watch", "update"]
      - apiGroups: ["storage.k8s.io"]
        resources: ["storageclasses"]
        verbs: ["get", "list", "watch"]
      - apiGroups: [""]
        resources: ["events"]
        verbs: ["create", "update", "patch"]
      - apiGroups: [""]
        resources: ["services"]
        resourceNames: ["kube-dns","coredns"]
        verbs: ["list", "get"]
    ---
    kind: ClusterRoleBinding
    apiVersion: rbac.authorization.k8s.io/v1
    metadata:
      name: cephfs-provisioner
    subjects:
      - kind: ServiceAccount
        name: cephfs-provisioner
        namespace: cephfs
    roleRef:
      kind: ClusterRole
      name: cephfs-provisioner
      apiGroup: rbac.authorization.k8s.io
    ---
    apiVersion: rbac.authorization.k8s.io/v1
    kind: Role
    metadata:
      name: cephfs-provisioner
      namespace: cephfs
    rules:
      - apiGroups: [""]
        resources: ["secrets"]
        verbs: ["create", "get", "delete"]
      - apiGroups: [""]
        resources: ["endpoints"]
        verbs: ["get", "list", "watch", "create", "update", "patch"]
    ---
    apiVersion: rbac.authorization.k8s.io/v1
    kind: RoleBinding
    metadata:
      name: cephfs-provisioner
      namespace: cephfs
    roleRef:
      apiGroup: rbac.authorization.k8s.io
      kind: Role
      name: cephfs-provisioner
    subjects:
    - kind: ServiceAccount
      name: cephfs-provisioner
    ---
    apiVersion: v1
    kind: ServiceAccount
    metadata:
      name: cephfs-provisioner
      namespace: cephfs
    ---
    apiVersion: extensions/v1beta1
    kind: Deployment
    metadata:
      name: cephfs-provisioner
      namespace: cephfs
    spec:
      replicas: 1
      strategy:
        type: Recreate
      template:
        metadata:
          labels:
            app: cephfs-provisioner
        spec:
          containers:
          - name: cephfs-provisioner
            image: "quay.io/external_storage/cephfs-provisioner:latest"
            env:
            - name: PROVISIONER_NAME
              value: ceph.com/cephfs
            - name: PROVISIONER_SECRET_NAMESPACE
              value: cephfs
            command:
            - "/usr/local/bin/cephfs-provisioner"
            args:
            - "-id=cephfs-provisioner-1"
          serviceAccount: cephfs-provisioner

    # kubectl create -n cephfs -f Ceph-FS-Provisioner.yaml

    • Create the storage class
    kind: StorageClass
    apiVersion: storage.k8s.io/v1
    metadata:
      name: cephfs
    provisioner: ceph.com/cephfs
    parameters:
        monitors: 10.0.1.226:6789, 10.0.1.205:6789, 10.0.1.82:6789
        adminId: admin
        adminSecretName: ceph-secret-admin
        adminSecretNamespace: cephfs
        claimRoot: /pvc-volumes

    # kubectl create -f Ceph-FS-StorageClass.yaml

    • We are all set now. CephFS provisioner is created. Let’s wait till it gets into running state.
    # kubectl get pods -n cephfs
    NAME                                 READY     STATUS    RESTARTS   AGE
    cephfs-provisioner-8d957f95f-s7mdq   1/1       Running   0          1m

    • Once the CephFS provider is up, try creating the persistent volume claim. In this step, storage class will take care of creating the persistent volume dynamically.
    kind: PersistentVolumeClaim
    apiVersion: v1
    metadata:
      name: claim1
    spec:
      storageClassName: cephfs
      accessModes:
        - ReadWriteMany
      resources:
        requests:
          storage: 1Gi

    # kubectl create -f Ceph-FS-PVC.yaml

    • Let’s check the create PV and PVC
    # kubectl get pvc
    NAME      STATUS    VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS   AGE
    claim1    Bound     pvc-a7db18a7-9641-11e9-ab86-12e154d66096   1Gi        RWX            cephfs         2m
    
    # kubectl get pv
    NAME                                       CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS    CLAIM            STORAGECLASS   REASON    AGE
    pvc-a7db18a7-9641-11e9-ab86-12e154d66096   1Gi        RWX            Delete           Bound     default/claim1   cephfs                   2m

    Conclusion

    We have seen how to integrate the Ceph storage with Kubernetes. In the integration, we covered ceph-rbd and cephfs. This approach is highly useful when your application is not clustered application and if you are looking to make it highly available.