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@@ -0,0 +1,148 @@
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+---
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+apiVersion: v1
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+kind: ConfigMap
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+metadata:
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+ name: zk-config
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+data:
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+ ensemble: "zk-0;zk-1;zk-2"
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+ jvm.heap: "2G"
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+ tick: "2000"
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+ init: "10"
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+ sync: "5"
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+ client.cnxns: "60"
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+ snap.retain: "3"
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+ purge.interval: "1"
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+---
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+apiVersion: policy/v1beta1
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+kind: PodDisruptionBudget
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+metadata:
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+ name: zk-budget
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+spec:
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+ selector:
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+ matchLabels:
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+ app: zk
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+ minAvailable: 2
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+---
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+apiVersion: apps/v1beta1
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+kind: StatefulSet
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+metadata:
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+ name: zk
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+spec:
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+ serviceName: zk-headless
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+ replicas: 3
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+ template:
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+ metadata:
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+ labels:
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+ app: zk
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+ annotations:
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+ pod.alpha.kubernetes.io/initialized: "true"
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+
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+ spec:
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+ affinity:
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+ podAntiAffinity:
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+ requiredDuringSchedulingIgnoredDuringExecution:
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+ - labelSelector:
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+ matchExpressions:
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+ - key: "app"
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+ operator: In
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+ values:
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+ - zk-headless
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+ topologyKey: "kubernetes.io/hostname"
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+ volumes:
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+ - name: datadir
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+ emptyDir: {}
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+ containers:
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+ - name: k8szk
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+ imagePullPolicy: Always
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+ image: dotbalo/k8szk:v1
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+ resources:
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+ requests:
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+ memory: "256Mi"
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+ # cpu: "1"
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+ ports:
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+ - containerPort: 2181
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+ name: client
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+ - containerPort: 2888
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+ name: server
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+ - containerPort: 3888
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+ name: leader-election
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+ env:
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+ - name : ZK_ENSEMBLE
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+ valueFrom:
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+ configMapKeyRef:
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+ name: zk-config
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+ key: ensemble
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+ - name : ZK_HEAP_SIZE
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+ valueFrom:
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+ configMapKeyRef:
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+ name: zk-config
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+ key: jvm.heap
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+ - name : ZK_TICK_TIME
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+ valueFrom:
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+ configMapKeyRef:
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+ name: zk-config
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+ key: tick
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+ - name : ZK_INIT_LIMIT
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+ valueFrom:
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+ configMapKeyRef:
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+ name: zk-config
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+ key: init
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+ - name : ZK_SYNC_LIMIT
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+ valueFrom:
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+ configMapKeyRef:
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+ name: zk-config
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+ key: tick
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+ - name : ZK_MAX_CLIENT_CNXNS
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+ valueFrom:
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+ configMapKeyRef:
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+ name: zk-config
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+ key: client.cnxns
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+ - name: ZK_SNAP_RETAIN_COUNT
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+ valueFrom:
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+ configMapKeyRef:
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+ name: zk-config
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+ key: snap.retain
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+ - name: ZK_PURGE_INTERVAL
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+ valueFrom:
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+ configMapKeyRef:
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+ name: zk-config
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+ key: purge.interval
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+ - name: ZK_CLIENT_PORT
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+ value: "2181"
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+ - name: ZK_SERVER_PORT
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+ value: "2888"
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+ - name: ZK_ELECTION_PORT
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+ value: "3888"
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+ command:
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+ - sh
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+ - -c
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+ - zkGenConfig.sh && zkServer.sh start-foreground
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+ readinessProbe:
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+ exec:
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+ command:
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+ - "zkOk.sh"
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+ initialDelaySeconds: 15
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+ timeoutSeconds: 5
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+ livenessProbe:
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+ exec:
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+ command:
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+ - "zkOk.sh"
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+ initialDelaySeconds: 15
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+ timeoutSeconds: 5
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+ volumeMounts:
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+ - name: datadir
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+ mountPath: /var/lib/zookeeper
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+ securityContext:
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+ runAsUser: 1000
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+ fsGroup: 1000
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+
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+# volumeClaimTemplates:
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+# - metadata:
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+# name: datadir
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+# spec:
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+# accessModes: [ "ReadWriteOnce" ]
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+# storageClassName: "gluster-heketi-2"
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+# resources:
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+# requests:
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+# storage: 2Gi
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+#
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root