cassandra.yml

# Persistent volume for cassandra0
kind: PersistentVolume
apiVersion: v1
metadata:
  name: datadir-cassandra-0
  labels:
    type: local
spec:
  capacity:
    storage: 10Gi
  accessModes:
    - ReadWriteOnce
  hostPath:
    path: "/tmp/cassandra0"
---
# Stateful set
apiVersion: "apps/v1beta1"
kind: StatefulSet
metadata:
  name: cassandra
spec:
  serviceName: cassandra
  replicas: 1
  template:
    metadata:
      labels:
        app: cassandra
    spec:
      containers:
      - name: cassandra
        image: gcr.io/google-samples/cassandra:v11
        imagePullPolicy: IfNotPresent
        ports:
        - containerPort: 7000
          name: intra-node
        - containerPort: 7001
          name: tls-intra-node
        - containerPort: 7199
          name: jmx
        - containerPort: 9042
          name: cql
        resources:
          limits:
            cpu: "500m"
            memory: 1Gi # Cannot be less than 1Gi
          requests:
           cpu: "500m"
           memory: 1Gi # Cannot be less than 1Gi
        securityContext:
          capabilities:
            add:
              - IPC_LOCK
        env:
          - name: MAX_HEAP_SIZE
            value: 512M
          - name: HEAP_NEWSIZE
            value: 100M
          - name: CASSANDRA_SEEDS
            value: "cassandra-0.cassandra.default.svc.cluster.local"
          - name: CASSANDRA_CLUSTER_NAME
            value: "cassandra-cluster"
          - name: CASSANDRA_DC
            value: "cassandra-dc"
          - name: CASSANDRA_RACK
            value: "cassandra-rack"
          - name: CASSANDRA_AUTO_BOOTSTRAP
            value: "false"
          - name: POD_IP
            valueFrom:
              fieldRef:
                fieldPath: status.podIP
        readinessProbe:
          exec:
            command:
            - /bin/bash
            - -c
            - /ready-probe.sh
          initialDelaySeconds: 15
          timeoutSeconds: 5
        volumeMounts:
        - name: datadir
          mountPath: /cassandra_data
  volumeClaimTemplates:
  - metadata:
      name: datadir
      namespace: default
    spec:
      accessModes: [ "ReadWriteOnce" ]
      resources:
        requests:
          storage: 10Gi
---
# Headless service
apiVersion: v1
kind: Service
metadata:
  name: cassandra
  labels:
    app: cassandra
spec:
  type: NodePort
  ports:
    - port: 9042
      name: cql
  selector:
    app: cassandra
---