kubenetes部署jenkins

jenkins_rbac.yml

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

---

kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: jenkins
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: ["extensions","networking.k8s.io"]
    resources: ["ingresses"]
    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/v1beta1
kind: ClusterRoleBinding
metadata:
  name: jenkins
  namespace: jenkins
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: jenkins
subjects:
  - kind: ServiceAccount
    name: jenkins
    namespace: jenkins

jenkins_pv.yml

apiVersion: v1
kind: PersistentVolume
metadata:
  name: opspv
  labels:
    pv: opspv 
spec:
  capacity:
    storage: 100Gi
  accessModes:
  - ReadWriteMany
  persistentVolumeReclaimPolicy: Delete
  nfs:
    server: 10.10.253.109
    path: /jenkins_data

---
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: opspvc
  namespace: jenkins
spec:
  accessModes:
    - ReadWriteMany
  storageClassName: ""
  resources:
    requests:
      storage: 100Gi
  selector:
    matchLabels:
      pv: opspv

jenkins_svc.yml

apiVersion: v1
kind: Service
metadata:
  name: jenkins
  namespace: jenkins
  labels:
    app: jenkins
spec:
  selector:
    app: jenkins
  type: NodePort
  ports:
  - name: web
    port: 8080
    targetPort: web
    nodePort: 30002
  - name: agent
    port: 50000
    targetPort: agent

jenkins-deployment.yml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: jenkins         #deployment名称
  namespace: jenkins      #命名空间
spec:
  selector:
    matchLabels:
      app: jenkins
  template:
    metadata:
      labels:
        app: jenkins
    spec:
      terminationGracePeriodSeconds: 10     #优雅停止pod
      serviceAccount: jenkins               #后面还需要创建服务账户
      containers:
      - name: jenkins
        image: jenkins/jenkins:lts               #镜像版本
        imagePullPolicy: IfNotPresent
        ports:
        - containerPort: 8080                #外部访问端口
          name: web
          protocol: TCP
        - containerPort: 50000              #jenkins save发现端口
          name: agent
          protocol: TCP
        resources:
          limits:
            cpu: 1000m
            memory: 1Gi
          requests:
            cpu: 500m
            memory: 512Mi
        livenessProbe:
          httpGet:
            path: /login
            port: 8080
          initialDelaySeconds: 60          #容器初始化完成后，等待60秒进行探针检查
          timeoutSeconds: 5
          failureThreshold: 12          #当Pod成功启动且检查失败时，Kubernetes将在放弃之前尝试failureThreshold次。放弃生存检查意味着重新启动Pod。而放弃就绪检查，Pod将被标记为未就绪。默认为3.最小值为1
        readinessProbe:
          httpGet:
            path: /login
            port: 8080
          initialDelaySeconds: 60
          timeoutSeconds: 5
          failureThreshold: 12
        volumeMounts:                       #需要将jenkins_home目录挂载出来
        - name: jenkinshome
          subPath: jenkins
          mountPath: /var/jenkins_home
        env:
        - name: LIMITS_MEMORY
          valueFrom:
            resourceFieldRef:
              resource: limits.memory
              divisor: 1Mi
        - name: JAVA_OPTS
          value: -Xmx$(LIMITS_MEMORY)m -XshowSettings:vm -Dhudson.slaves.NodeProvisioner.initialDelay=0 -Dhudson.slaves.NodeProvisioner.MARGIN=50 -Dhudson.slaves.NodeProvisioner.MARGIN0=0.85 -Duser.timezone=Asia/Shanghai
      securityContext:
        fsGroup: 1000
      volumes:
      - name: jenkinshome
        persistentVolumeClaim:
          claimName: opspvc             #这里将上面创建的pv关联到pvc上

jenkins_ingress.yml

apiVersion: networking.k8s.io/v1beta1
kind: Ingress
metadata:
  name: jenkins-ingress
  namespace: jenkins
  annotations:
    nginx.ingress.kubernetes.io/rewrite-target: /
    nginx.ingress.kubernetes.io/load-balance: "ip_hash"
    nginx.ingress.kubernetes.io/upstream-hash-by: "$request_uri"
spec:
  rules:
  - host: jenkins.meitianiot.lo
    http:
      paths:
      - path: /
        backend:
          serviceName: jenkins
          servicePort: 8080