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Using the Automation Toolkit with Jenkins

Jenkins integration with the toolkit is provided to jump start your journey with CI/CD for IaC in OCI. A beginner level of understanding of Jenkins is required.

Pre-reqs for Jenkins Configuration

The configurations are done when executing createTenancyConfig.py in Connect CD3 Container to OCI Tenancy. Here are the validation steps:

  • jenkins.properties file is created under /cd3user/tenancies/jenkins_home as per input parameters in tenancyconfig. properties
  • An Object Storage bucket is created in OCI in the specified compartment to manage tfstate remotely.
  • Customer Secret Key is configured for the user for S3 credentials of the bucket.
  • A DevOps Project, Repo and Topic are created in OCI in the specified compartment to store terraform_files. GIT is configured on the container with config file at /cd3user/.ssh/config

Bootstrapping of Jenkins in the toolkit

  • Execute below cmd to start Jenkins -
    /usr/share/jenkins/jenkins.sh &

Important

  • If createTenancyConfig.py has been run again for a new prefix, then first kill the existing jenkins process and start new after that.
  • Command to get Jenkins process id - ps -ef | grep jenkins
  • Command to kill - kill -9 <process_id>
  • Start Jenkins using - /usr/share/jenkins/jenkins.sh &
  • Access Jenkins URL using: https://<IP of the Jenkins Host>:<Port>

Note

  • <Port> is the port mapped with local system while docker container creation Eg: 8443.
  • Network Connectivity should be allowed on this host and port.
  • Please make sure to use a private server or a bastion connected server with restricted access(i.e. not publicly available).
  • It will prompt to create the first user to access Jenkins URL if accessing for the first time. This will be the admin user.
  • The Automation Toolkit only supports a single user Jenkins setup in this release.
  • After logging in, Jenkins Dashboard will be displayed with folders as <prefix> values.

High Level Steps to use toolkit with Jenkins

  1. Login to the CD3 Container.

  2. Check out CD3 Toolkit Process for workflows supported by the toolkit and choose the workflow.

  3. Use one of the templates from Excel Templates based on the workflow chosen.

  4. Execute setUpOCI pipeline from Jenkins Dashboard.