k8s中将Jenkins安装到master节点上的yaml

Node

将 pod 指定到特定的 node上有几种方式,使用label是个很好的方法,在执行前需要给每个node打个标签命令如下

$ kubectl label node master nodename=master

这句命令的意思是给master节点上打上 nodename=master 的标签,如此可以为其他节点也打上各自的标签

yaml 配置

---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: traefik-ingress-controller
rules:
  - apiGroups:
      - ""
    resources:
      - services
      - endpoints
      - secrets
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - extensions
    resources:
      - ingresses
    verbs:
      - get
      - list
      - watch
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: traefik-ingress-controller
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: traefik-ingress-controller
subjects:
- kind: ServiceAccount
  name: traefik-ingress-controller
  namespace: kube-system
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: traefik-ingress-controller
  namespace: kube-system
---
kind: DaemonSet
apiVersion: extensions/v1beta1
metadata:
  name: traefik-ingress-controller
  namespace: kube-system
  labels:
    k8s-app: traefik-ingress-lb
spec:
  template:
    metadata:
      labels:
        k8s-app: traefik-ingress-lb
        name: traefik-ingress-lb
    spec:
      serviceAccountName: traefik-ingress-controller
      terminationGracePeriodSeconds: 60
      hostNetwork: true
      containers:
      - image: traefik
        name: traefik-ingress-lb
        ports:
        - name: http
          containerPort: 80
          hostPort: 80
        - name: admin
          containerPort: 8080
        securityContext:
          capabilities:
            drop:
            - ALL
            add:
            - NET_BIND_SERVICE
        args:
        - --api
        - --kubernetes
        - --logLevel=INFO
---
apiVersion: v1
kind: Service
metadata:
  name: traefik-web-ui
  namespace: kube-system
spec:
  selector:
    k8s-app: traefik-ingress-lb
  ports:
  - name: web
    port: 80
    targetPort: 8080
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: jenkins-deployment
  namespace: kube-system
  labels:
    app: jenkins
spec:
  replicas: 1
  selector:
    matchLabels:
      app: jenkins
  template:
    metadata:
      labels:
        app: jenkins
    spec:
      terminationGracePeriodSeconds: 60
      containers:
      - name: jenkins
        image: jenkins/jenkins:lts
        imagePullPolicy: IfNotPresent
        env:
          - name: JENKINS_OPTS
            value: "--prefix=/jenkins"
        ports:
        - name: web
          containerPort: 8080
          protocol: TCP
        - name: agent
          containerPort: 50000
          protocol: TCP
        volumeMounts:
        - name: jenkins-home
          mountPath: /var/jenkins_home
      volumes:
      - name: jenkins-home
        hostPath:
          path: /root/jenkins-home
      nodeSelector:
        nodename: master
---
apiVersion: v1
kind: Service
metadata:
  name: jenkins-service
  namespace: kube-system
  labels:
    app: jenkins
spec:
  ports:
  - port: 8888
    targetPort: 8080
    name: web
  - port: 50000
    targetPort: 50000
    name: agent
  selector:
    app: jenkins
---
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: traefik-web-ui
  namespace: kube-system
  annotations:
    kubernetes.io/ingress.class: traefik
    traefik.frontend.rule.type: PathPrefixStrip
spec:
  rules:
  - host: c4.k8s.com
    http:
      paths:
      - path: /ingress
        backend:
          serviceName: traefik-web-ui
          servicePort: web
---
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: jenkins-ingress
  namespace: kube-system
  annotations:
    kubernetes.io/ingress.class: traefik
    traefik.ingress.kubernetes.io/app-root: /jenkins
    traefik.ingress.kubernetes.io/rule-type: PathPrefix
    traefik.frontend.passHostHeader: "true"
spec:
  rules:
  - host: c4.k8s.com
    http:
      paths:
      - path: /jenkins
        backend:
          serviceName: jenkins-service
          servicePort: web
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