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/ | ||
| − | + | * <code>[[kubectl get statefulsets]]</code> | |
| − | + | * <code>[[kubectl describe statefulsets]]</code> | |
| − | |||
kubectl get statefulsets -n your_namespace | kubectl get statefulsets -n your_namespace | ||
| Line 16: | Line 15: | ||
apiVersion: v1 | apiVersion: v1 | ||
| − | kind: Service | + | [[kind: Service]] |
metadata: | metadata: | ||
name: nginx | name: nginx | ||
| Line 30: | Line 29: | ||
--- | --- | ||
apiVersion: apps/v1 | apiVersion: apps/v1 | ||
| − | kind: StatefulSet | + | [[kind: StatefulSet]] |
metadata: | metadata: | ||
name: web | name: web | ||
| Line 45: | Line 44: | ||
app: nginx # has to match .spec.selector.matchLabels | app: nginx # has to match .spec.selector.matchLabels | ||
spec: | spec: | ||
| − | terminationGracePeriodSeconds: 10 | + | [[terminationGracePeriodSeconds]]: 10 |
containers: | containers: | ||
- name: nginx | - name: nginx | ||
| Line 52: | Line 51: | ||
- containerPort: 80 | - containerPort: 80 | ||
name: web | name: web | ||
| − | volumeMounts: | + | [[volumeMounts:]] |
- name: www | - name: www | ||
| − | mountPath: /usr/share/nginx/html | + | [[mountPath:]] /usr/share/nginx/html |
[[volumeClaimTemplates:]] | [[volumeClaimTemplates:]] | ||
- metadata: | - metadata: | ||
| Line 68: | Line 67: | ||
* [[Peloton]] | * [[Peloton]] | ||
* <code>[[kubectl rollout]]</code> | * <code>[[kubectl rollout]]</code> | ||
| + | * [[Elastic Cloud on Kubernetes (ECK)]] (May 2019) | ||
== See also == | == See also == | ||
Latest revision as of 13:14, 9 December 2022
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[edit]
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[edit]
See also[edit]
- StatefulSets (sts):
kubectl [ get | describe | scale ] statefulset - Kubernetes storage, storage classes, PersistentVolume (PV), PVC, CSI,
kind: StorageClass, kind: PersistentVolumeClaim, kind: PersistentVolume,kubectl [ get | describe | edit ] pvc,volumeClaimTemplates:,kubectl patch pv,FailedMount, Volume Expansion, Volume Cloning, snapshots, ExtraVolumes, NotTriggerScaleUp,volumePVCDataSource, AllowVolumeExpansion, EKS storage, provisioner, Storage Capacity Tracking,VolumeBinding, VolumeClaimTemplate, storage.k8s.io, CKA Storage, DoKC, EmptyDir, Volume populators
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