利用 Helm 安裝 Jenkins

安裝 Go

sudo apt-get install golang-go

wget https://dl.google.com/go/go1.12.13.linux-amd64.tar.gz

sudo tar -C /usr/local -xzf go1.12.13.linux-amd64.tar.gz

sudo vim /etc/profile

加入這行到最後面

export PATH=$PATH:/usr/local/go/bin

go version

利用 apt(Ubuntu) 安裝 Helm

curl https://baltocdn.com/helm/signing.asc | sudo apt-key add -
sudo apt-get install apt-transport-https --yes
echo "deb https://baltocdn.com/helm/stable/debian/ all main" | sudo tee /etc/apt/sources.list.d/helm-stable-debian.list
sudo apt-get update
sudo apt-get install helm

git clone https://github.com/helm/helm.git

cd helm

make

建立 Jenkins 的 namespace

sudo kubectl create namespace jenkins

sudo kubectl get namespaces

helm repo add jenkinsci https://charts.jenkins.io

helm repo update

helm search repo jenkinsci

jenkins-volume.yaml

apiVersion: v1
kind: PersistentVolume
metadata:
  name: jenkins-pv
  namespace: jenkins-project
spec:
  storageClassName: jenkins-pv
  accessModes:
    - ReadWriteOnce
  capacity:
    storage: 20Gi
  persistentVolumeReclaimPolicy: Retain
  hostPath:
    path: /data/jenkins-volume/

sudo kubectl apply -f jenkins-volume.yaml

jenkins-sa.yaml

---
  apiVersion: v1
  kind: ServiceAccount
  metadata:
    name: jenkins
---
  apiVersion: rbac.authorization.k8s.io/v1
  kind: ClusterRole
  metadata:
    annotations:
      rbac.authorization.kubernetes.io/autoupdate: "true"
    labels:
      kubernetes.io/bootstrapping: rbac-defaults
    name: jenkins
  rules:
  - apiGroups:
    - '*'
    resources:
    - statefulsets
    - services
    - replicationcontrollers
    - replicasets
    - podtemplates
    - podsecuritypolicies
    - pods
    - pods/log
    - pods/exec
    - podpreset
    - poddisruptionbudget
    - persistentvolumes
    - persistentvolumeclaims
    - jobs
    - endpoints
    - deployments
    - deployments/scale
    - daemonsets
    - cronjobs
    - configmaps
    - namespaces
    - events
    - secrets
    verbs:
    - create
    - get
    - watch
    - delete
    - list
    - patch
    - apply
    - update
    - apiGroups:
    - ""
    resources:
    - nodes
    verbs:
    - get
    - list
    - watch
    - update
---
  apiVersion: rbac.authorization.k8s.io/v1
  kind: ClusterRoleBinding
  metadata:
    annotations:
      rbac.authorization.kubernetes.io/autoupdate: "true"
    labels:
      kubernetes.io/bootstrapping: rbac-defaults
    name: jenkins
  roleRef:
    apiGroup: rbac.authorization.k8s.io
    kind: ClusterRole
    name: jenkins
  subjects:
  - apiGroup: rbac.authorization.k8s.io
    kind: Group
    name: system:serviceaccounts:jenkins

sudo kubectl apply -f jenkins-sa.yaml

使用 yaml 檔安裝 Jenkins

jenkins-deployment.yaml

---
    apiVersion: apps/v1
    kind: Deployment
    metadata:
      name: jenkins
    spec:
      replicas: 1
      selector:
        matchLabels:
          app: jenkins
      template:
        metadata:
          labels:
            app: jenkins
        spec:
          containers:
          - name: jenkins
            image: jenkins/jenkins:lts
            ports:
            - containerPort: 8080
            volumeMounts:
              - name: jenkins-home
                mountPath: /var/jenkins_home
          volumes:
            - name: jenkins-home
              emptyDir: {}

sudo kubectl create -f jenkins-deployment.yaml -n jenkins

sudo kubectl get deployments -n jenkins

jenkins-service.yaml

apiVersion: v1
kind: Service
metadata:
  name: jenkins
spec:
  type: NodePort
  ports:
    - port: 8080
      targetPort: 8080
  selector:
    app: jenkins

sudo kubectl create -f jenkins-service.yaml -n jenkins

sudo kubectl get services -n jenkins

查看 Jenkins Dashboard

IP:port

密碼認證

sudo kubectl get pods -n jenkins

sudo kubectl logs <pod_name> -n jenkins

參考資料
https://dotblogs.com.tw/DizzyDizzy/2019/11/22/GoToInstall
https://helm.sh/docs/intro/install/
https://medium.com/@BuzonXXXX/ci-%E8%A8%AD%E5%AE%9Ajenkins%E9%80%A3%E7%B5%90github-private-repo-111c53d29047