OpenShift CI/CD Concepts
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External
- https://blog.openshift.com/cicd-with-openshift/, youtu.be demos: 65BnTLcDAJI, wSFyg6Etwx8
- https://github.com/OpenShiftDemos/openshift-cd-demo, https://github.com/OpenShiftDemos/openshift-cd-demo/tree/ocp-3.5
- https://docs.openshift.com/container-platform/3.6/install_config/configuring_pipeline_execution.html
- https://github.com/openshift/jenkins
Internal
Overview
OpenShift provides a certified Jenkins container for building Continuous Delivery pipelines. When necessary, it scales the pipeline execution by on-demand provisioning of multiple Jenkins containers, allowing Jenkins to run many jobs in parallel.
Resources
This is the memory consumption based on a test installation:
- jenkins/jenkins-jnlp pod: 720 MB
- nexus pod: 610 MB
- gogs pod: 110 MB
Security Considerations
Jenkins components need to access the OpenShift API for various operations: access container images, etc. so they need to be granted sufficient privileges to invoke the OpenShift API for the projects requiring CI/CD pipeline services.
Example: Grant Jenkins Needed Privileges for the Projects that Require CI/CD Services