Editing StatefulSets

[[StatefulSet]]
* https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/

* <code>[[kubectl get statefulsets]]</code>
* <code>[[kubectl describe statefulsets]]</code>

 kubectl get statefulsets -n your_namespace
 NAME                   READY   AGE
 your-elasticsearch-master   0/2     2y88d

 33m         Warning   CalculateExpectedPodCountFailed   poddisruptionbudget/xxxx-[[pdb]]                     Failed to calculate the number of  expected pods: statefulsets.apps does not implement the scale subresource


== Official example ==

 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

== Related ==
* [[Peloton]]
* <code>[[kubectl rollout]]</code>
* [[Elastic Cloud on Kubernetes (ECK)]] (May 2019)

== See also ==
* {{StatefulSets}}
* {{Kubernetes storage}}

[[Category:K8s]]
Latest revision		Your text
Line 9:		Line 9:
	your-elasticsearch-master 0/2 2y88d		your-elasticsearch-master 0/2 2y88d

−	33m Warning [[CalculateExpectedPodCountFailed]] poddisruptionbudget/xxxx-[[pdb]] Failed to calculate the number of expected pods: statefulsets.apps does not implement the scale subresource	+	33m Warning CalculateExpectedPodCountFailed poddisruptionbudget/xxxx-[[pdb]] Failed to calculate the number of expected pods: statefulsets.apps does not implement the scale subresource