4.4 部署持续集成工具 Jenkins

4.4.1 helm 安装 jenkins

helm repo add jenkins https://charts.jenkins.io
"jenkins" has been added to your repositories

helm repo update

helm fetch jenkins/jenkins --untar
cd jenkins

helm install jenkins jenkins/jenkins \
  --set controller.imagePullPolicy=IfNotPresent \
  --set controller.ingress.enabled=true \
  --set controller.ingress.hostName=jenkins.hzde.com \
  --set controller.ingress.annotations."kubernetes\.io/ingress\.class"=nginx \
  --set backup.enabled=true \
  -n devops
W0130 10:38:23.604618   60972 warnings.go:70] batch/v1beta1 CronJob is deprecated in v1.21+, unavailable in v1.25+; use batch/v1 CronJob
W0130 10:38:24.852312   60972 warnings.go:70] batch/v1beta1 CronJob is deprecated in v1.21+, unavailable in v1.25+; use batch/v1 CronJob
NAME: jenkins
LAST DEPLOYED: Sun Jan 30 10:38:22 2022
NAMESPACE: devops
STATUS: deployed
REVISION: 1
NOTES:
1. Get your 'admin' user password by running:
  kubectl exec --namespace devops -it svc/jenkins -c jenkins -- /bin/cat /run/secrets/chart-admin-password && echo

2. Visit http://jenkins.hzde.com

3. Login with the password from step 1 and the username: admin
4. Configure security realm and authorization strategy
5. Use Jenkins Configuration as Code by specifying configScripts in your values.yaml file, see documentation: http://jenkins.hzde.com/configuration-as-code and examples: https://github.com/jenkinsci/configuration-as-code-plugin/tree/master/demos

For more information on running Jenkins on Kubernetes, visit:
https://cloud.google.com/solutions/jenkins-on-container-engine

For more information about Jenkins Configuration as Code, visit:
https://jenkins.io/projects/jcasc/


NOTE: Consider using a custom image with pre-installed plugins

# 检查运行状态
kubectl get po 
NAME        READY   STATUS    RESTARTS   AGE
jenkins-0   2/2     Running   0          4m53s

kubectl get svc
NAME            TYPE        CLUSTER-IP       EXTERNAL-IP   PORT(S)     AGE
jenkins         ClusterIP   10.98.242.15     <none>        8080/TCP    5m10s
jenkins-agent   ClusterIP   10.104.142.198   <none>        50000/TCP   5m10s

配置 hosts 192.168.122.191 jenkins.hzde.com 打开浏览器，输入：http://jenkins.hzde.com 进行访问

# 用户名
kubectl get secrets -n devops jenkins -o jsonpath={.data.jenkins-admin-user} | base64 -d
# 密码
kubectl get secrets -n devops jenkins -o jsonpath={.data.jenkins-admin-password} | base64 -d

输入上面获取到的用户名和密码进行登录