kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: default-mongo-pvc
  namespace: default
  labels:
    dir: default-mongo
spec:
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 500Mi
  storageClassName: nfs-subdir-client  //需安装nfs-client插件
  volumeMode: Filesystem

---
kind: ConfigMap
metadata:
  name: mongodb-conf
  namespace: default
apiVersion: v1
data:
  mongod.conf: |-
    #dbpath=/mongo/data
    #logpath=/mongo/log/mongodb.log
    #pidfilepath=/mongo/key/master.pid
    directoryperdb=true
    logappend=true
    bind_ip=0.0.0.0
    port=27017

---

apiVersion: apps/v1
kind: StatefulSet
metadata: 
  name: mongo-1
  namespace: default
  app: mongo-cluster
spec: 
  selector: 
    matchLabels: 
      name: mongo-1
  serviceName: "mongo-1"
  replicas: 1
  podManagementPolicy: Parallel
  template: 
    metadata: 
      labels: 
        name: mongo-1
        app: mongo-cluster
    spec: 
      terminationGracePeriodSeconds: 10
      affinity: 
         podAntiAffinity: 
           requiredDuringSchedulingIgnoredDuringExecution: 
           - labelSelector: 
               matchExpressions: 
               - key: "name"
                 operator: In
                 values: 
                 - mongo
             topologyKey: "kubernetes.io/hostname"
      containers: 
      - name: mongo
        image: mongo:4.2
        imagePullPolicy: IfNotPresent
        command:  
        - mongod 
        - "-f"
        - "/etc/mongod.conf"
        - "--bind_ip_all"
        ports: 
        - containerPort: 27017
        volumeMounts: 
        - name: mongo-cnf-volume
          mountPath: /etc/mongod.conf/
          subPath: mongod.conf
        - name: mongo-dir
          mountPath: /mongo
      volumes:
        - name: mongo-cnf-volume     #映射configMap信息
          configMap:
            name: mongodb-conf
            items:
              - key: mongod.conf
                path: mongod.conf
        - name: mongo-dir
          persistentVolumeClaim:
            claimName: default-mongo-pvc
---


kind: Service
apiVersion: v1
metadata:
  name: mongo
  namespace: default
spec:
  ports:
    - protocol: TCP
      port: 37017
      targetPort: 27017 
  selector:
    name: mongo-1
  type: LoadBalancer