190 lines
4.6 KiB
YAML
190 lines
4.6 KiB
YAML
#
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# Copyright © 2016-2017 The Thingsboard Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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apiVersion: v1
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kind: Service
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metadata:
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name: zk-headless
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labels:
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app: zk-headless
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spec:
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ports:
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- port: 2888
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name: server
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- port: 3888
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name: leader-election
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clusterIP: None
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selector:
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app: zk
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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"
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replicas: "3"
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jvm.heap: "500m"
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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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client.port: "2181"
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server.port: "2888"
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election.port: "3888"
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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: 2
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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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spec:
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nodeSelector:
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machinetype: other
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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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containers:
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- name: zk
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imagePullPolicy: Always
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image: thingsboard/zk:k8stest
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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_REPLICAS
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valueFrom:
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configMapKeyRef:
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name: zk-config
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key: replicas
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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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valueFrom:
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configMapKeyRef:
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name: zk-config
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key: client.port
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- name: ZK_SERVER_PORT
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valueFrom:
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configMapKeyRef:
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name: zk-config
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key: server.port
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- name: ZK_ELECTION_PORT
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valueFrom:
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configMapKeyRef:
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name: zk-config
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key: election.port
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command:
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- sh
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- -c
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- zk-gen-config.sh && zkServer.sh start-foreground
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readinessProbe:
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exec:
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command:
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- "zk-ok.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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- "zk-ok.sh"
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initialDelaySeconds: 15
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timeoutSeconds: 5
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volumeMounts:
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- name: zkdatadir
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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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volumeClaimTemplates:
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- metadata:
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name: zkdatadir
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annotations:
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volume.beta.kubernetes.io/storage-class: slow
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spec:
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accessModes: [ "ReadWriteOnce" ]
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resources:
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requests:
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storage: 1Gi |