yaml实例

 deployment：

---
apiVersion: apps/v1beta1
kind: Deployment
metadata:
  name: nginx-deploy
  labels:
    app: nginx
spec:
  # 副本数
  replicas: 3
  # 允许保留历史版本的数量
  revisionHistoryLimit: 15
  # 5秒之后执行操作
  minReadySeconds: 5
  strategy:
    # 升级
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 1
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.10.0
        ports:
        - containerPort: 80

wordpress：

---
# 创建mysql数据库
apiVersion: apps/v1beta1
kind: Deployment
metadata:
  name: mysql-deploy
  # 名称空间
  namespace: blog
  labels:
    app: mysql
spec:
  template:
    metadata:
      labels:
        app: mysql
    spec:
      containers:
      - name: mysql
        image: mysql:5.7
        # 有镜像存在就用，不另外去pull
        imagePullPolicy: IfNotPresent
        ports:
        - containerPort: 3306
          name: dbport
        # 环境变量
        env:
        - name: MYSQL_ROOT_PASSWORD
          value: rootPassW0rd
        - name: MYSQL_DATABASE
          value: wordpress
        - name: MYSQL_USER
          value: wordpress
        - name: MYSQL_PASSWORD
          value: wordpress
        # 挂载
        volumeMounts:
        - name: db
          # 容器内的目录
          mountPath: /var/lib/mysql
      volumes:
      - name: db
        # 宿主机目录
        hostPath:
          path: /var/lib/mysql
---
# 创建service，默认ClusterIP(使各个pod都能访问mysql)
apiVersion: v1
kind: Service
metadata:
  name: mysql
  # 名称空间
  namespace: blog
spec:
  selector:
    app: mysql
  ports:
  - name: mysqlport
    protocol: TCP
    port: 3306
    # mysql容器端口(填写mysql端口name是为了修改mysql端口后无需修改这里的端口，可以说是可扩展性)
    targetPort: dbport
---
# 创建wordpress
apiVersion: apps/v1beta1
kind: Deployment
metadata:
  name: wordpress-deploy
  # 名称空间
  namespace: blog
  labels:
    app: wordpress
spec:
  # 允许保留历史版本的数量
  revisionHistoryLimit: 10
  # 5秒之后执行操作
  minReadySeconds: 5
  # 滚动升级策略
  strategy:
    type: RollingUpdate
    rollingUpdate:
      # 容器副本最大数量
      maxSurge: 1
      # 容器副本停止的最大数量
      maxUnavailable: 1
  template:
    metadata:
      labels:
        app: wordpress
    spec:
      # 在主容器启动前执行(初始化操作)
      initContainers:
      - name: init-db
        image: busybox
        # 通过查询mysql服务名是否可以解析来判定mysql服务是否可用，如果可以解析则init容器退出码为0，应用容器正常初始化；否则直到可以解析mysql服务名才退出
        command: ['sh','-c','until nslookup mysql; do echo waiting for mysql service; sleep 2; done;']
      containers:
      - name: wordpress
        image: wordpress
        imagePullPolicy: IfNotPresent
        ports:
        - containerPort: 80
          name: wdport
        env:
        - name: WORDPRESS_DB_HOST
          value: mysql:3306
        - name: WORDPRESS_DB_USER
          value: wordpress
        - name: WORDPRESS_DB_PASSWORD
          value: wordpress
        # 通过tcpSocket检测应用程序80端口是否正常运行
        livenessProbe:
          tcpSocket:
            port: 80
          # 容器启动后第一次执行探测需要等待多少秒
          initialDelaySeconds: 10
          # 每3秒执行一次探测
          periodSeconds: 3
        # 检测服务是否已经准备好对外提供服务
        readinessProbe:
          tcpSocket:
            port: 80
          initialDelaySeconds: 15
          periodSeconds: 10
        # 资源限制
        resources:
          # 最高上限(不允许突破)
          limits:
            cpu: 200m
            memory: 200Mi
          # 设置资源的一个最小保证值
          requests:
            cpu: 100m
            memory: 100Mi
---
apiVersion: v1
kind: Service
metadata:
  name: wordpress
  # 名称空间
  namespace: blog
spec:
  selector:
    app: wordpress
  type: NodePort
  ports:
  - name: wordpressport
    protocol: TCP
    port: 80
    nodePort: 30746
    targetPort: wdport

Jenkins YAML

apiVersion: v1
kind: Namespace
metadata:
  name: kube-cicd
---
apiVersion: v1
kind: PersistentVolume
metadata:
  name: jenkinspv
  labels:
    name: jenkinspv
spec:
  nfs:
    path: /jenkins
    server: 10.4.7.21
  accessModes: ["ReadWriteMany"]
  capacity:
    storage: 2Gi
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: jenkinspv
  namespace: kube-cicd
spec:
  accessModes: ["ReadWriteMany"]
  resources:
    requests:
      storage: 2Gi
---
kind: Service
apiVersion: v1
metadata:
  labels:
    app: jenkins
  name: jenkins
  namespace: kube-cicd
spec:
  type: NodePort
  ports:
    - port: 8080
      name: web
      nodePort: 30888
      targetPort: jenkinsport
  selector:
    app: jenkins
---
kind: Deployment
apiVersion: apps/v1
metadata:
  name: jenkins
  namespace: kube-cicd
  labels: 
    app: jenkins
spec:
  replicas: 1
  selector:
    matchLabels: 
      app: jenkins
  template:
    metadata:
      labels: 
        app: jenkins 
        name: jenkins
    spec:
      volumes:
      - name: jenkinshome
        persistentVolumeClaim:
          claimName: jenkinspv
      containers:
      - name: jenkins
        image: registry.cn-chengdu.aliyuncs.com/kube-cicd/aweidada/jenkins:pw
        ports:
        - containerPort: 8080
          name: jenkinsport
          protocol: TCP
        env:
        - name: JAVA_OPTS
          value: -Xmx512m -Xms512m
        volumeMounts:
        - name: jenkinshome
          mountPath: /var/jenkins_home
      securityContext: 
        runAsUser: 0
  strategy:
    type: RollingUpdate
    rollingUpdate: 
      maxUnavailable: 1
      maxSurge: 0
  revisionHistoryLimit: 7
  progressDeadlineSeconds: 600