Using the jenkins operator to install Jenkins on Kubernetes, it is a Kubernetes native style to install jenkins on Kubernetes. The core for this style is the Jenkins Pipeline and Caas(Configuration as Code). Detail info can be found github and jenkins operator docs.
- A kubernetes cluster(version is 1.11+)
- kubectl version is 1.11+
- sops with gpg
Enter into the dir you want to install jenkins, for example, installing jenkins with dev environment, replace the ingress info with the actual environment's info, then run the below command
$ kustomize build --enable-alpha-plugins . | kubectl -n jenkins apply -f -
Checking the pods under jenkins namespace
$ kubectl -n jenkins get pods
NAME READY STATUS RESTARTS AGE
jenkins-jenkins 2/2 Running 0 28h
jenkins-operator-5cd7d8887c-f74vg 1/1 Running 0 25d
seed-job-agent-jenkins-64d6fdd89f-7nbdw 1/1 Running 0 28h
Getting the login url
$ kubectl -n jenkins get ing
NAME CLASS HOSTS ADDRESS PORTS AGE
jenkins <none> jenkins.dev.devops.com x.x.x.x 80, 443 25d
Getting the init login password
$ kubectl -n jenkins get secret jenkins-operator-credentials-jenkins -o yaml | grep password | head -n 1 | awk -F ":" '{print $2}' | base64 -D
Login https://jenkins.dev.devops.com with username jenkins-operator and password obtained in last step.