| apiVersion: apps/v1 |
| kind: StatefulSet |
| metadata: |
| name: cassandra |
| spec: |
| serviceName: cassandra |
| replicas: 3 |
| selector: |
| matchLabels: |
| app: cassandra |
| template: |
| metadata: |
| labels: |
| app: cassandra |
| spec: |
| containers: |
| - name: cassandra |
| image: gcr.io/google-samples/cassandra:v13 |
| imagePullPolicy: Always |
| ports: |
| - containerPort: 7000 |
| name: intra-node |
| - containerPort: 7001 |
| name: tls-intra-node |
| - containerPort: 7199 |
| name: jmx |
| - containerPort: 9042 |
| name: cql |
| resources: |
| requests: |
| cpu: "300m" |
| memory: 1Gi |
| securityContext: |
| capabilities: |
| add: |
| - IPC_LOCK |
| lifecycle: |
| preStop: |
| exec: |
| command: |
| - /bin/sh |
| - -c |
| - nodetool drain |
| env: |
| - name: MAX_HEAP_SIZE |
| value: 512M |
| - name: HEAP_NEWSIZE |
| value: 100M |
| - name: POD_NAMESPACE |
| valueFrom: |
| fieldRef: |
| fieldPath: metadata.namespace |
| - name: CASSANDRA_SEEDS |
| value: "cassandra-0.cassandra.$(POD_NAMESPACE).svc.cluster.local" |
| - name: CASSANDRA_CLUSTER_NAME |
| value: "K8Demo" |
| - name: CASSANDRA_DC |
| value: "DC1-K8Demo" |
| - name: CASSANDRA_RACK |
| value: "Rack1-K8Demo" |
| - name: POD_IP |
| valueFrom: |
| fieldRef: |
| fieldPath: status.podIP |
| readinessProbe: |
| exec: |
| command: |
| - /bin/bash |
| - -c |
| - /ready-probe.sh |
| initialDelaySeconds: 15 |
| timeoutSeconds: 5 |
| # These volume mounts are persistent. They are like inline claims, |
| # but not exactly because the names need to match exactly one of |
| # the stateful pod volumes. |
| volumeMounts: |
| - name: cassandra-data |
| mountPath: /cassandra_data |
| # These are converted to volume claims by the controller |
| # and mounted at the paths mentioned above. |
| # do not use these in production until ssd GCEPersistentDisk or other ssd pd |
| volumeClaimTemplates: |
| - metadata: |
| name: cassandra-data |
| spec: |
| accessModes: [ "ReadWriteOnce" ] |
| resources: |
| requests: |
| storage: 1Gi |
| |