m3dbnode-statefulset.yaml

# Headless service for the statefulset
apiVersion: v1
kind: Service
metadata:
  name: m3dbnode
  labels:
    app: m3dbnode
  namespace: m3db
spec:
  ports:
  - port: 9000
    name: client
  - port: 9001
    name: cluster
  - port: 9002
    name: http-node
  - port: 9003
    name: http-cluster
  - port: 9004
    name: debug
  - port: 7201
    name: coordinator
  - port: 7203
    name: coordinator-metrics
  # NOTE: There MUST be a headless (clusterIP == None) service with name equal
  # to the `spec.serviceName` field of the stateful set. Search "headless" on
  # https://v1-10.docs.kubernetes.io/docs/concepts/workloads/controllers/statefulset/
  # for more info
  clusterIP: None
  selector:
    app: m3dbnode
---
apiVersion: v1
kind: Service
metadata:
  name: m3coordinator
  labels:
    app: m3dbnode
  namespace: m3db
spec:
  selector:
    app: m3dbnode
  ports:
  - port: 7201
    name: coordinator
  - port: 7203
    name: coordinator-metrics
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  labels:
    app: m3dbnode
  name: m3dbnode
  namespace: m3db
spec:
  serviceName: m3dbnode
  replicas: 3
  selector:
    matchLabels:
      app: m3dbnode
  updateStrategy:
    type: RollingUpdate
  template:
    metadata:
      labels:
        app: m3dbnode
    spec:
      tolerations:
        - key: "dedicated-m3db"
          effect: NoSchedule
          operator: Exists
      affinity:
        nodeAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
          - preference:
              matchExpressions:
              - key: m3db.io/dedicated-m3db
                operator: In
                values:
                  - "true"
            weight: 10
      containers:
      - name: m3db
        image: quay.io/m3/m3dbnode:latest
        # Allows m3dbnode to raise its own file limits. Comment this out if you
        # have a restrictive Pod Security Policy or similar enforcement
        # mechanisms.
        securityContext:
          capabilities:
            add:
            - SYS_RESOURCE
        imagePullPolicy: Always
        # resources:
        #   limits:
        #     memory: 15Gi
        #   requests:
        #     memory: 10Gi
        args:
          - "-f"
          - "/etc/m3db/m3dbnode.yml"
        volumeMounts:
        - name: config-vol
          mountPath: /etc/m3db/
        - name: m3db-db
          mountPath: /var/lib/m3db
        ports:
        - containerPort: 9000
          name: client
          protocol: TCP
        - containerPort: 9001
          name: cluster
          protocol: TCP
        - containerPort: 9002
          name: http-node
          protocol: TCP
        - containerPort: 9003
          name: http-cluster
          protocol: TCP
        - containerPort: 9004
          name: debug
          protocol: TCP
        - containerPort: 7201
          name: coordinator
          protocol: TCP
        - containerPort: 7203
          # max name length == 15 chars
          name: coord-metrics
          protocol: TCP
      volumes:
      - name: config-vol
        configMap:
          name: m3dbnode-config
      dnsPolicy: ClusterFirst
      restartPolicy: Always
      schedulerName: default-scheduler
      securityContext: {}
      terminationGracePeriodSeconds: 30
  volumeClaimTemplates:
    - metadata:
        name: m3db-db
      spec:
        accessModes:
          - ReadWriteOnce
        storageClassName: fast
        resources:
          requests:
            storage: 200Gi