158 lines
3.7 KiB
YAML
158 lines
3.7 KiB
YAML
apiVersion: v1
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kind: Service
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metadata:
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name: zk-hs
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labels:
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app: zk
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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: Service
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metadata:
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name: zk-cs
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labels:
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app: zk
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spec:
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type: NodePort
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ports:
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- port: 2182
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name: client
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targetPort: 2182
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nodePort: 2182
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selector:
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app: zk
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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-pdb
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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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maxUnavailable: 1
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---
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apiVersion: apps/v1
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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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selector:
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matchLabels:
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app: zk
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serviceName: zk-hs
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replicas: 3 #创建三个pod
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updateStrategy:
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type: RollingUpdate
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podManagementPolicy: Parallel
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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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spec:
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nodeSelector: #进行label匹配，调度pod到目标节点
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travis.io/schedule-only: "kafka"
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tolerations:
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- key: "travis.io/schedule-only"
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operator: "Equal"
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value: "kafka"
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effect: "NoSchedule"
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- key: "travis.io/schedule-only"
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operator: "Equal"
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value: "kafka"
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effect: "NoExecute"
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tolerationSeconds: 3600
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- key: "travis.io/schedule-only"
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operator: "Equal"
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value: "kafka"
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effect: "PreferNoSchedule"
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affinity: #配置每个机器只能运行一个pod
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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
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topologyKey: "kubernetes.io/hostname"
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imagePullSecrets: # 指定自己的私有镜像秘钥
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- name: registry-key
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containers:
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- name: kubernetes-zookeeper
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securityContext:
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runAsUser: 0
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imagePullPolicy: Always
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image: 192.168.40.153:9080/k8s/k8s.gcr.io/kubernetes-zookeeper:1.0-3.4.10
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resources:
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requests:
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memory: "20Mi"
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cpu: "0.1"
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ports:
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- containerPort: 2182
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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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command:
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- sh
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- -c
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- "start-zookeeper \
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--servers=3 \
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--data_dir=/var/lib/zookeeper/data \
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--data_log_dir=/var/lib/zookeeper/data/log \
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--conf_dir=/opt/zookeeper/conf \
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--client_port=2182 \
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--election_port=3888 \
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--server_port=2888 \
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--tick_time=2000 \
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--init_limit=10 \
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--sync_limit=5 \
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--heap=512M \
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--max_client_cnxns=60 \
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--snap_retain_count=3 \
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--purge_interval=12 \
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--max_session_timeout=40000 \
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--min_session_timeout=4000 \
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--log_level=INFO"
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readinessProbe: # pod 健康监测
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exec:
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command:
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- sh
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- -c
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- "zookeeper-ready 2182"
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initialDelaySeconds: 10
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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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- sh
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- -c
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- "zookeeper-ready 2182"
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initialDelaySeconds: 10
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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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volumeClaimTemplates: #nfs 映射模版配置
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- metadata:
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name: datadir
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spec:
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accessModes: [ "ReadWriteMany" ]
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storageClassName: nfs
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resources:
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requests:
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storage: 10Gi
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