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k8s 部署 Jenkins

运维匠
2024-08-12 / 0 评论 / 0 点赞 / 24 阅读 / 6182 字
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k8s 部署 Jenkins

创建namespace

---
apiVersion: v1
kind: Namespace
metadata:
  name: jenkins

创建PVC

---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: jenkins-pvc
  namespace: jenkins
spec:
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 200Gi
  storageClassName: nfs-csi

创建rbac

apiVersion: v1
kind: ServiceAccount
metadata:
  name: jenkins-master
  namespace: jenkins

---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: jenkins-master
rules:
  - apiGroups: ["extensions", "apps"]
    resources: ["deployments"]
    verbs: ["create", "delete", "get", "list", "watch", "patch", "update"]
  - apiGroups: [""]
    resources: ["services"]
    verbs: ["create", "delete", "get", "list", "watch", "patch", "update"]
  - apiGroups: [""]
    resources: ["pods"]
    verbs: ["create","delete","get","list","patch","update","watch"]
  - apiGroups: [""]
    resources: ["pods/exec"]
    verbs: ["create","delete","get","list","patch","update","watch"]
  - apiGroups: [""]
    resources: ["pods/log"]
    verbs: ["get","list","watch"]
  - apiGroups: [""]
    resources: ["secrets"]
    verbs: ["get"]

---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: jenkins-master
roleRef:
  kind: ClusterRole
  name: jenkins-master
  apiGroup: rbac.authorization.k8s.io
subjects:
- kind: ServiceAccount
  name: jenkins-master
  namespace: jenkins

创建deployment

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: jenkins
  namespace: jenkins 
spec:
  replicas: 1
  selector:
    matchLabels:
      app: jenkins
  template:
    metadata:
      labels:
        app: jenkins
    spec:
      serviceAccountName: jenkins-master
      volumes:
      - name: jenkins-store
        persistentVolumeClaim:
          claimName: jenkins-pvc
      initContainers:
      - name: fix-permissions
        image: alpine
        command: ["sh", "-c", "chown -R 1000:1000 /var/jenkins_home/"]
        securityContext:
          privileged: true
        volumeMounts:
        - name: jenkins-store
          mountPath: /var/jenkins_home/
      containers:
      - name: jenkins
        image: jenkins/jenkins:jdk17
        volumeMounts:
        - name: jenkins-store
          mountPath: /var/jenkins_home/
        imagePullPolicy: IfNotPresent
        env:
        - name: JAVA_OPTS
          value: -XshowSettings:vm -Dhudson.slaves.NodeProvisioner.initialDelay=0 -Dhudson.slaves.NodeProvisioner.MARGIN=50 -Dhudson.slaves.NodeProvisioner.MARGIN0=0.85 -Duser.timezone=Asia/Shanghai -Djenkins.install.runSetupWizard=true
        ports:
        - containerPort: 8080
          name: web
          protocol: TCP
        - containerPort: 50000
          name: agent
          protocol: TCP
        resources:
            requests:
              cpu: '2'
              memory: 4G
            limits:
              cpu: '2'
              memory: 4G

创建service

---
apiVersion: v1
kind: Service
metadata:
  name: jenkins
  namespace: jenkins 
  labels:
    app: jenkins
spec:
  selector:
    app: jenkins
  type: ClusterIP
  ports:
  - name: http
    port: 8080
    targetPort: 8080
---
apiVersion: v1
kind: Service
metadata:
  name: jenkins-jnlp
  namespace: jenkins 
  labels:
    app: jenkins
spec:
  selector:
    app: jenkins
  ports:
  - name: agent
    port: 50000
    targetPort: 50000

创建ingress

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: jenkins
  namespace: jenkins
spec:
  ingressClassName: nginx
  rules:
  - host: cicd.yuankun.cc
    http:
      paths:
      - backend:
          service:
            name: jenkins
            port: 
              number: 8080 
        path: /
        pathType: Prefix
  - host: jenkins.yuankun.cc
    http:
      paths:
      - backend:
          service:
            name: jenkins
            port: 
              number: 8080
        path: /
        pathType: Prefix

以下内容需要使用istio服务网格才需创建

创建gateway

apiVersion: networking.istio.io/v1
kind: Gateway
metadata:
  name: test-yuankun-cc-gateway
  namespace: jenkins
spec:
  selector:
    istio: ingressgateway
  servers:
  - hosts:
    - test.yuankun.cc
    port:
      name: http
      number: 80
      protocol: HTTP

创建VirtualService

使用istio服务网格

apiVersion: networking.istio.io/v1
kind: VirtualService
metadata:
  name: jenkins-www
  namespace: jenkins
spec:
  hosts:
  - "test.yuankun.cc"
  gateways:
  - test-yuankun-cc-gateway
  http:
  - match:
    - uri:
        prefix: /
    # rewrite:
    #   uri: /    
    route:
    - destination:
        host: jenkins
        port:
          number: 8080
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