apiVersion: extensions/v1beta1
kind: DaemonSet
metadata:
  labels:
    name: cassandra
  name: cassandra
spec:
  template:
    metadata:
      labels:
        name: cassandra
    spec:
      # Filter to specific nodes:
      # nodeSelector:
      #  app: cassandra
      containers:
        - command:
            - /run.sh
          env:
            - name: MAX_HEAP_SIZE
              value: 512M
            - name: HEAP_NEWSIZE
              value: 100M
            - name: POD_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
          image: "gcr.io/google_containers/cassandra:v6"
          name: cassandra
          ports:
            - containerPort: 9042
              name: cql
            - containerPort: 9160
              name: thrift
          resources:
            request:
              cpu: 0.1
          volumeMounts:
            - mountPath: /cassandra_data
              name: data
      volumes:
        - name: data
          hostPath:
            path: /var/lib/cassandra