Function

This API is used to update a StatefulSet under a specific namespace.

The following fields can be updated:

• metadata.labels
• metadata.clusterName
• metadata.generateName
• metadata.annotations
• spec.replicas
• template.containers

The other fields cannot be updated.

URI

PATCH /apis/apps/v1/namespaces/{namespace}/statefulsets/{name} (for clusters of v1.9 and later)

PATCH /apis/apps/v1beta1/namespaces/{namespace}/statefulsets/{name} (for clusters of v1.15 and earlier)

Table 1 describes the parameters of this API.

Request

Request parameters:

For the description about the Content-Type field, see Patch Request Method Operation Description.

Example request:

Content-Type: application/merge-patch+json
{
    "metadata": {
        "labels": {
            "app": "mysql-0"
        }
    }
}

Response

Response parameters:

For the description about response parameters, see Table 2.

Example response:

{
    "kind": "StatefulSet",
    "apiVersion": "apps/v1beta1",
    "metadata": {
        "name": "mysql",
        "generateName": "sz",
        "namespace": "default",
        "selfLink": "/apis/apps/v1beta1/namespaces/default/statefulsets/mysql",
        "uid": "1688bdcb-24da-11e7-9c83-fa163ec08232",
        "resourceVersion": "1924739",
        "generation": 1,
        "creationTimestamp": "2017-04-19T08:27:55Z",
        "labels": {
            "app": "mysql-0"
        }
    },
    "spec": {
        "replicas": 1,
        "selector": {
            "matchLabels": {
                "app": "mysql"
            }
        },
        "template": {
            "metadata": {
                "creationTimestamp": null,
                "labels": {
                    "app": "mysql"
                }
            },
            "spec": {
                "containers": [
                    {
                        "name": "container01",
                        "image": "10.154.52.159:443/test/nginx:latest",
                        "ports": [
                            {
                                "containerPort": 80,
                                "protocol": "TCP"
                            }
                        ],
                        "resources": {},
                        "terminationMessagePath": "/dev/termination-log",
                        "imagePullPolicy": "IfNotPresent"
                    }
                ],
                "restartPolicy": "Always",
                "terminationGracePeriodSeconds": 30,
                "dnsPolicy": "ClusterFirst",
                "securityContext": {}
            }
        },
        "volumeClaimTemplates": [
            {
                "metadata": {
                    "name": "db",
                    "creationTimestamp": null
                },
                "spec": {
                    "accessModes": [
                        "ReadWriteOnce"
                    ],
                    "resources": {
                        "requests": {
                            "storage": "1Gi"
                        }
                    }
                },
                "status": {
                    "phase": "Pending"
                }
            }
        ],
        "serviceName": "mysql-service"
    },
    "status": {
        "replicas": 1
    }
}

Status Code

Table 2 describes the status code of this API.

For the description about error status codes, see Status Code.