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|
# A headless service to create DNS records
apiVersion: v1
kind: Service
metadata:
annotations:
service.alpha.kubernetes.io/tolerate-unready-endpoints: "true"
name: zk
labels:
app: zk
spec:
ports:
- port: 2888
name: peer
- port: 3888
name: leader-election
# *.zk.default.svc.cluster.local
clusterIP: None
selector:
app: zk
---
apiVersion: apps/v1alpha1
kind: PetSet
metadata:
name: zoo
spec:
serviceName: "zk"
replicas: 3
template:
metadata:
labels:
app: zk
annotations:
pod.alpha.kubernetes.io/initialized: "true"
pod.alpha.kubernetes.io/init-containers: '[
{
"name": "install",
"image": "gcr.io/google_containers/zookeeper-install:0.1",
"imagePullPolicy": "Always",
"args": ["--version=3.5.2-alpha", "--install-into=/opt", "--work-dir=/work-dir"],
"volumeMounts": [
{
"name": "opt",
"mountPath": "/opt/"
},
{
"name": "workdir",
"mountPath": "/work-dir"
}
]
},
{
"name": "bootstrap",
"image": "java:openjdk-8-jre",
"command": ["/work-dir/peer-finder"],
"args": ["-on-start=\"/work-dir/on-start.sh\"", "-service=zk"],
"env": [
{
"name": "POD_NAMESPACE",
"valueFrom": {
"fieldRef": {
"apiVersion": "v1",
"fieldPath": "metadata.namespace"
}
}
}
],
"volumeMounts": [
{
"name": "opt",
"mountPath": "/opt/"
},
{
"name": "workdir",
"mountPath": "/work-dir"
},
{
"name": "datadir",
"mountPath": "/tmp/zookeeper"
}
]
}
]'
spec:
containers:
- name: zk
image: java:openjdk-8-jre
ports:
- containerPort: 2181
name: client
- containerPort: 2888
name: peer
- containerPort: 3888
name: leader-election
command:
- /opt/zookeeper/bin/zkServer.sh
args:
- start-foreground
readinessProbe:
exec:
command:
- sh
- -c
- "/opt/zookeeper/bin/zkCli.sh ls /"
initialDelaySeconds: 15
timeoutSeconds: 5
volumeMounts:
- name: datadir
mountPath: /tmp/zookeeper
- name: opt
mountPath: /opt/
volumes:
- name: opt
emptyDir: {}
- name: workdir
emptyDir: {}
volumeClaimTemplates:
- metadata:
name: datadir
annotations:
volume.alpha.kubernetes.io/storage-class: anything
spec:
accessModes: [ "ReadWriteOnce" ]
resources:
requests:
storage: 20Gi
|
