Difference between revisions of "StatefulSets"

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* https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/
 
* https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/
 +
 +
<pre>
 +
apiVersion: v1
 +
kind: Service
 +
metadata:
 +
  name: nginx
 +
  labels:
 +
    app: nginx
 +
spec:
 +
  ports:
 +
  - port: 80
 +
    name: web
 +
  clusterIP: None
 +
  selector:
 +
    app: nginx
 +
---
 +
apiVersion: apps/v1
 +
kind: StatefulSet
 +
metadata:
 +
  name: web
 +
spec:
 +
  selector:
 +
    matchLabels:
 +
      app: nginx # has to match .spec.template.metadata.labels
 +
  serviceName: "nginx"
 +
  replicas: 3 # by default is 1
 +
  minReadySeconds: 10 # by default is 0
 +
  template:
 +
    metadata:
 +
      labels:
 +
        app: nginx # has to match .spec.selector.matchLabels
 +
    spec:
 +
      terminationGracePeriodSeconds: 10
 +
      containers:
 +
      - name: nginx
 +
        image: k8s.gcr.io/nginx-slim:0.8
 +
        ports:
 +
        - containerPort: 80
 +
          name: web
 +
        volumeMounts:
 +
        - name: www
 +
          mountPath: /usr/share/nginx/html
 +
  volumeClaimTemplates:
 +
  - metadata:
 +
      name: www
 +
    spec:
 +
      accessModes: [ "ReadWriteOnce" ]
 +
      storageClassName: "my-storage-class"
 +
      resources:
 +
        requests:
 +
          storage: 1Gi
 +
</pre>
  
  

Revision as of 12:50, 4 July 2022

apiVersion: v1
kind: Service
metadata:
  name: nginx
  labels:
    app: nginx
spec:
  ports:
  - port: 80
    name: web
  clusterIP: None
  selector:
    app: nginx
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: web
spec:
  selector:
    matchLabels:
      app: nginx # has to match .spec.template.metadata.labels
  serviceName: "nginx"
  replicas: 3 # by default is 1
  minReadySeconds: 10 # by default is 0
  template:
    metadata:
      labels:
        app: nginx # has to match .spec.selector.matchLabels
    spec:
      terminationGracePeriodSeconds: 10
      containers:
      - name: nginx
        image: k8s.gcr.io/nginx-slim:0.8
        ports:
        - containerPort: 80
          name: web
        volumeMounts:
        - name: www
          mountPath: /usr/share/nginx/html
  volumeClaimTemplates:
  - metadata:
      name: www
    spec:
      accessModes: [ "ReadWriteOnce" ]
      storageClassName: "my-storage-class"
      resources:
        requests:
          storage: 1Gi


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