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Container Adoption Lab

CI/CD Concepts

Expected Outcome:

  • CI/CD concepts

  • Automate container build on code checkin

  • Perform testing - functional, unit, regression

  • Deploy to various environments - dev(local), staging, prod

Lab Requirements:

Average Lab Time: 30 - 45 minutes

Introduction

This section will demonstrate building a delivery pipeline that takes your code changes from a source control repository and deploy it into your container cluster with no manual intervention.

Setup

Kubernetes secrets

Copy your kubeconfig, from your Cloud9 IDE copy the contents of:

cat ~/.kube/config

Create a file on your Jenkins instance with the contents of the above at ~/.kube/config

Jenkins

From the main workshop cloudformation output section, look for your JenkinsIP, open this up in a browser and login:

username: jenkins
password: jenkins101

Click on the job aws-workshop and to the left click on the configure link.

Check the box labeled GitHub Project and then enter your GitHub URL in the Project url section.

Scroll down to the parameters section and enter your ECR respository name as the default value for the ECR_REPO parameter.

Scroll down to the Build Triggers section and check the box labeled GitHub hook trigger for GITScm polling.

Scroll down to the Advanced Project Options section and change the Repository URL and point this to https://github.com/christopherhein/aws-container-migration-workshop.

Then change the Script Path and set that to cicd-concepts/Jenkinsfile.

Scroll all the way down and click Apply and then Save.

Github

Open a browser window to the GitHub fork and click on the Settings tab in the upper right hand corner.

Click on the Webhooks link on the left side of the screen and then click the Add Webhook button in the upper right hand corner.

In the Payload URL dialog box enter http://<JenkinsIP>/github-webhook/, replacing <JenkinsIP> with the IP address of your Jenkins instance.

Deploy a change

Make a change to containerize-application/app/src/main/webapp/shopping/main.xhtml and then check in and commit your code at the root of your repo:

git add . && git commit -m "testing ci/cd" && git push origin master

Go back to your Jenkins browser and watch as your code change moves through the various stages.

Once the deployment is completed you can go back to your petstore application and see your change reflected.