--- apiVersion: apps/v1 kind: StatefulSet metadata: name: zk namespace: qa spec: selector: matchLabels: app: zk serviceName: zk-hs replicas: 3 updateStrategy: type: RollingUpdate podManagementPolicy: OrderedReady template: metadata: labels: app: zk spec: terminationGracePeriodSeconds: 180 affinity: podAntiAffinity: requiredDuringSchedulingIgnoredDuringExecution: - labelSelector: matchExpressions: - key: "app" operator: In values: - zk topologyKey: "kubernetes.io/hostname" containers: - name: kubernetes-zookeeper imagePullPolicy: Always image: "leolee32/kubernetes-library:kubernetes-zookeeper1.0-3.4.10" resources: requests: memory: "1Gi" cpu: "0.5" ports: - containerPort: 2181 name: client - containerPort: 2888 name: server - containerPort: 3888 name: leader-election command: - sh - -c - "start-zookeeper \ --servers=3 \ --data_dir=/data/zookeeper \ --data_log_dir=/data/zookeeper/log \ --conf_dir=/opt/zookeeper/conf \ --client_port=2181 \ --election_port=3888 \ --server_port=2888 \ --tick_time=2000 \ --init_limit=10 \ --sync_limit=5 \ --heap=512M \ --max_client_cnxns=60 \ --snap_retain_count=3 \ --purge_interval=12 \ --max_session_timeout=40000 \ --min_session_timeout=4000 \ --log_level=INFO" readinessProbe: exec: command: - sh - -c - "zookeeper-ready 2181" initialDelaySeconds: 10 timeoutSeconds: 5 livenessProbe: exec: command: - sh - -c - "zookeeper-ready 2181" initialDelaySeconds: 10 timeoutSeconds: 5 volumeMounts: - name: volume mountPath: /data/zookeeper securityContext: runAsUser: 1000 fsGroup: 1000 volumeClaimTemplates: - metadata: name: volume annotations: volume.alpha.kubernetes.io/storage-class: anything spec: accessModes: [ "ReadWriteOnce" ] storageClassName: rbd resources: requests: storage: 5Gi --- apiVersion: v1 kind: Service metadata: name: zk-hs namespace: qa labels: app: zk spec: ports: - port: 2888 name: server - port: 3888 name: leader-election clusterIP: None selector: app: zk --- apiVersion: v1 kind: Service metadata: name: zk-cs namespace: qa labels: app: zk spec: type: NodePort ports: - port: 2181 name: client nodePort: 31812 selector: app: zk --- apiVersion: policy/v1beta1 kind: PodDisruptionBudget metadata: name: zk-pdb namespace: qa spec: selector: matchLabels: app: zk maxUnavailable: 1