Achieving CI/CD with Kubernetes
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Kubernetes has evolved from Borg at Google to provide an open source platform for automating deployment, scaling, and management of containerized applications. The presentation discusses how to use Jenkins, Fabric8, and other tools to achieve continuous integration and delivery (CI/CD) with Kubernetes. It provides examples of configuring Jenkins and Fabric8 to build, test, and deploy container images to a Kubernetes cluster, illustrating an end-to-end CI/CD workflow on Kubernetes.
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Achieving CI/CD with Kubernetes
- 1. Achieving CI/CD withKubernetes Ramit Surana @ramitsurana /in/ramitsurana
- 2. Agenda • History ofKubernetes • The evolution • How google uses it ? • About Jenkins • How to configure it ? • Fabric8 • How to configure it ? • The Final Picture • Other Tools • Awesome Kubernetes • Future of Kubernetes
- 3. About Me • OpenSource Guy • Contributor to Kubernetes community • Author of awesome-kubernetes • [email protected]
- 4. History of kubernetes •Earlier known as Borg • Borg -> Omega -> Kubernetes • Google used MPM (Midas Package Manager) to build and deploy container images.
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- 6. Evolution of Kubernetes •Benefits of containerization go beyond merely enabling higher levels of utilization. • Need for an orchestration engine with capablities. • Need of a stable model,to use docker at large scale that could run on several cloud platforms.
- 7. About Jenkins • Earlierknown as Hudson. • Primarily a java-based program • Leading open source CI server • Used by leading companies such as Github,Netflix,Linkedin etc.
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- 9. How to configureit ? • Find the k8s-jenkins plugin at https://github.com/jenkinsci/k ubernetes-plugin • Works using JNLP(Java Network Launch Protocol)
- 10. How to configureit ? • Running the Jenkins image docker run –rm –name jenkins – p 8080:8080 – p 50000:50000 –v /var/jenkins_home csanchez/jenkins-kubernetes
- 11. How to configureit ? • Problem • It works only one time • Because of stateless containers the data gets erased after a restart. • A better solution is to use a container to store and use data to run the jenkins container • Better Solution docker create --name jenkins-k8s csanchez/jenkins-kubernetes docker run --volumes-from jenkins-k8s -p 8080:8080 -p 50000:50000 -v /var/jenkins_home csanchez/jenkins-kubernetes
- 12. How to configureit ? • Checkout http://localhost:8080 in your browser
- 13. Behind the scenes •Jenkins image is automatically connected to the Jenkins master • Slaves are launched using JNLP • Some of the environment variables that are automatically injected: • JENKINS_URL: Jenkins web interface url • JENKINS_JNLP_URL: url for the jnlp definition of the specific slave • JENKINS_SECRET: the secret key for authentication
- 14. How to configureit? • Go to Manage Jenkins -> Configure System -> Cloud -> Kubernetes
- 15. How to configureit? • Sample Configuration file
- 16. How to configureit? • Sample Configuration file for slave pod template
- 17. How to configureit with adding new jobs ? • Sample configuration while adding a new job
- 18. Continuous Delivery withKubernetes
- 19. Rkt by CoreOS •Container project by CoreOS • Supports ACI and pods by default • Main focus is to build containers keeping in mind the security aspect for containers.
- 20. Workflow with rkta.k.a. rktnetes
- 21. Practical example withKubernetes
- 22. Fabric8 • Microservices platformby RedHat Guys • Uses openshift, Jenkins and kubernetes • Contains several different apps for integrations.
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- 24. Features • CI/CD partof fabric8: • Jenkins • Gogs • Fabric8 registry • Nexus • SonarQube
- 25. How to doit ? • Install gofabric8 on your local $PATH • Ensure that you have a running kubernetes cluster
- 26. How to doit ? • Run $ gofabric8 deploy –y
- 27. How to doit ? • Run $ gofabric8 secrets –y
- 28. How to doit ? • $ Kubectl get pods This will take a while.So try going out for a Coffee :) • In case anything fails try using $ kubectl describe pods.
- 29. How to doit ? • If everything works out fine, then you should see • Try using Kubernetes dashboard for the same and fabric8 console to see your results.
- 30. How to doit ? • Kubernetes Dashboard • Fabric8 console
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- 33. Other Tools • TeamCity •Codeship • Travis CI • Circle CI • Drone.io • Semaphore and many more
- 34. Awesome-Kubernetes • Official listfor the Kubernetes Community • Awesome collection of resources of kubernetes. • Find articles, blogs, videos, conferences and much more. • Find out more at: http://github.com/ramitsurana/awe some-kubernetes
- 35. Future of Kubernetes •Helm • Kubernetes Chart • Minikube • Kops • Kubedash • Persistent Storage • Use of Stateful Containers And many more...
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- 37. Thank You Happy Birthday Kubernetes! May you live a thousand years old !