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| # http://www.apache.org/licenses/LICENSE-2.0 |
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| # software distributed under the License is distributed on an |
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| # |
| |
| ## A reference of https://github.com/kubernetes/contrib/blob/master/statefulsets/zookeeper/zookeeper.yaml |
| |
| --- |
| apiVersion: v1 |
| kind: Service |
| metadata: |
| name: zookeeper |
| labels: |
| app: bookkeeper |
| component: zookeeper |
| spec: |
| ports: |
| - port: 2888 |
| name: server |
| - port: 3888 |
| name: leader-election |
| clusterIP: None |
| selector: |
| app: bookkeeper |
| component: zookeeper |
| --- |
| apiVersion: v1 |
| kind: ConfigMap |
| metadata: |
| name: zk-cm |
| data: |
| jvm.heap: "1G" |
| tick: "2000" |
| init: "10" |
| sync: "5" |
| client.cnxns: "60" |
| snap.retain: "3" |
| purge.interval: "0" |
| --- |
| apiVersion: policy/v1beta1 |
| kind: PodDisruptionBudget |
| metadata: |
| name: zk-pdb |
| spec: |
| selector: |
| matchLabels: |
| app: zk |
| minAvailable: 2 |
| --- |
| apiVersion: apps/v1beta1 |
| kind: StatefulSet |
| metadata: |
| name: zk |
| labels: |
| app: bookkeeper |
| component: zookeeper |
| spec: |
| serviceName: zookeeper |
| replicas: 3 |
| template: |
| metadata: |
| labels: |
| app: bookkeeper |
| component: zookeeper |
| cluster: bookkeeper-gke |
| annotations: |
| pod.alpha.kubernetes.io/initialized: "true" |
| prometheus.io/scrape: "true" |
| prometheus.io/port: "8080" |
| |
| spec: |
| affinity: |
| podAntiAffinity: |
| requiredDuringSchedulingIgnoredDuringExecution: |
| - labelSelector: |
| matchExpressions: |
| - key: "app" |
| operator: In |
| values: |
| - zookeeper |
| topologyKey: "kubernetes.io/hostname" |
| containers: |
| - name: k8szk |
| imagePullPolicy: Always |
| image: gcr.io/google_samples/k8szk:v2 |
| resources: |
| requests: |
| memory: "1Gi" |
| cpu: "500m" |
| ports: |
| - containerPort: 2181 |
| name: client |
| - containerPort: 2888 |
| name: server |
| - containerPort: 3888 |
| name: leader-election |
| env: |
| - name : ZK_REPLICAS |
| value: "3" |
| - name : ZK_HEAP_SIZE |
| valueFrom: |
| configMapKeyRef: |
| name: zk-cm |
| key: jvm.heap |
| - name : ZK_TICK_TIME |
| valueFrom: |
| configMapKeyRef: |
| name: zk-cm |
| key: tick |
| - name : ZK_INIT_LIMIT |
| valueFrom: |
| configMapKeyRef: |
| name: zk-cm |
| key: init |
| - name : ZK_SYNC_LIMIT |
| valueFrom: |
| configMapKeyRef: |
| name: zk-cm |
| key: tick |
| - name : ZK_MAX_CLIENT_CNXNS |
| valueFrom: |
| configMapKeyRef: |
| name: zk-cm |
| key: client.cnxns |
| - name: ZK_SNAP_RETAIN_COUNT |
| valueFrom: |
| configMapKeyRef: |
| name: zk-cm |
| key: snap.retain |
| - name: ZK_PURGE_INTERVAL |
| valueFrom: |
| configMapKeyRef: |
| name: zk-cm |
| key: purge.interval |
| - name: ZK_CLIENT_PORT |
| value: "2181" |
| - name: ZK_SERVER_PORT |
| value: "2888" |
| - name: ZK_ELECTION_PORT |
| value: "3888" |
| command: |
| - sh |
| - -c |
| - zkGenConfig.sh && zkServer.sh start-foreground |
| readinessProbe: |
| exec: |
| command: |
| - "zkOk.sh" |
| initialDelaySeconds: 10 |
| timeoutSeconds: 5 |
| livenessProbe: |
| exec: |
| command: |
| - "zkOk.sh" |
| initialDelaySeconds: 10 |
| timeoutSeconds: 5 |
| volumeMounts: |
| - name: datadir |
| mountPath: /var/lib/zookeeper |
| securityContext: |
| runAsUser: 1000 |
| fsGroup: 1000 |
| volumeClaimTemplates: |
| - metadata: |
| name: datadir |
| spec: |
| accessModes: [ "ReadWriteOnce" ] |
| resources: |
| requests: |
| storage: 5Gi |