Modifying an ECS

Function

This API is used to modify ECS information. Only the name, description, and hostname of an ECS can be modified currently.

Constraints

After the hostname of an ECS is changed, you need to restart the ECS for the configuration to take effect.

URI

PUT /v1/{project_id}/cloudservers/{server_id}

Table 1 describes the parameters in the URI.

**Table 1** Parameter description
Parameter	Mandatory	Description
project_id	Yes	Specifies the project ID. For details about how to obtain the ID, see Obtaining a Project ID.
server_id	Yes	Specifies the ECS ID.

Request

Table 2 describes the request parameters.

**Table 2** Request parameters
Parameter	Mandatory	Type	Description
server	Yes	Object	Specifies the ECS data structure. For details, see Table 3.

**Table 3** **server** field description
Parameter	Mandatory	Type	Description
name	No	String	Specifies the name of the modified ECS. The parameter value consists of 1 to 64 characters, including letters, digits, underscores (_), and hyphens (-).
description	No	String	Describes the ECS. The value consists of 0-85 characters and cannot contain brackets (<>).
hostname	No	String	Specifies the ECS hostname. The name consists of 1-64 characters. It can be segmented using periods (.). Only letters, digits, and hyphens (-) are allowed in each segment. A name cannot contain consecutive periods (.) or hyphens (-), and cannot start or end with a period (.) or hyphen (-). Additionally, the combinations of (.-) and (-.) are not allowed.

Response

Table 4 describes the response parameters.

**Table 4** Response parameters
Parameter	Type	Description
server	Object	Specifies the ECS. For details, see Table 5.

**Table 5** **server** field description
Parameter	Type	Description
tenant_id	String	Specifies the tenant or project ID.
image	String	Specifies the image ID.
accessIPv4	String	Reserved
addresses	Object	Specifies the attributed network information of the ECS. The structure is Map<String, Object>. For details, see Table 6.
metadata	Object	Specifies the ECS metadata.
accessIPv6	String	Reserved
created	String	Specifies the time when the ECS was created. The time is in the format of "2019-05-22T03:19:19Z".
hostId	String	Specifies the host ID of the ECS.
flavor	Object	Specifies the ECS flavor. For details, see Table 7.
OS-DCF:diskConfig	String	Specifies the disk configuration mode. This is an extended attribute. This field is valid for the ECS started using an image.
user_id	String	Specifies the ID of the user to which an ECS belongs.
name	String	Specifies the name of the modified ECS.
progress	Integer	Reserved
links	Array of Object	Specifies ECS shortcut links for ECS. For details, see Table 8.
id	String	Specifies the unique ID of an ECS.
updated	String	Specifies the time when the ECS was updated last time. The time is in the format of "2019-05-22T03:19:19Z".
locked	Boolean	Specifies the ECS lock status, which is True when the ECS is locked and False when the ECS is unlocked. This parameter is supported in microversion 2.9 and later.
description	String	Describes the ECS. This parameter is supported in microversion 2.19 and later.
tags	Array of strings	Specifies ECS tags. This parameter is supported in microversion 2.26 and later. If the microversion is not used for query, the response does not contain the tags field. Tag functions have been upgraded on the cloud service platform. After the upgrade, the tag values returned by the system comply with the following rules: The key and value of a tag are connected using an equal sign (=), for example, key=value. If the value is empty, only the key is returned.
status	String	Specifies the ECS status. Options: ACTIVE, BUILD, ERROR, HARD_REBOOT, MIGRATING, REBOOT, RESIZE, REVERT_RESIZE, SHELVED, SHELVED_OFFLOADED, SHUTOFF, UNKNOWN, and VERIFY_RESIZE For details, see ECS Statuses.
OS-EXT-SRV-ATTR:hostname	String	Specifies the ECS hostname.

**Table 6** Data structure of the network which an ECS accesses
Parameter	Type	Description
addr	String	Specifies the IP address.
version	Integer	Specifies the type of an IP address. The value of this parameter can be 4 or 6. 4: The type of the IP address is IPv4. 6: The type of the IP address is IPv6.

**Table 7** **flavor** field description
Parameter	Type	Description
id	String	Specifies the ECS ID.
links	Array of objects	Specifies shortcut links for ECS types. For details, see Table 8.

**Table 8** **links** field description
Parameter	Type	Description
rel	String	Specifies the shortcut link marker name.
href	String	Provides the shortcut link.

Example Request

PUT  https://{endpoint}/v1/{project_id}/cloudservers/{server_id}

{
    "server": {
        "name": "new-server-test"
    }
}

Example Response

{
  "server": {
    "tenant_id": "66c860cb130b465fbafcdee43fb09c64",
    "image": "",
    "accessIPv4": "",
    "addresses": {
      "01d7aef8-442b-408e-b82f-13afff51e4e4": [
        {
          "addr": "192.168.26.22",
          "version": 4
        }
      ]
    },
    "metadata": {
      "virtual_env_type": "FusionCompute"
    },
    "description": "",
    "accessIPv6": "",
    "created": "2019-04-25T11:52:53Z",
    "hostId": "57d278e7c53d07cd34fad3ba4fdc9f3d779017d0879726d83b45a22a",
    "OS-EXT-SRV-ATTR:hostname": "new-test-hostname",
    "flavor": {
      "links": [
        {
          "rel": "bookmark",
          "href": "https://None/66c860cb130b465fbafcdee43fb09c64/flavors/s2.large.2"
        }
      ],
      "id": "s2.large.2"
    },
    "OS-DCF:diskConfig": "MANUAL",
    "user_id": "f88581d53be64716a985c66ca28c75f6",
    "name": "new-test-hostname",
    "progress": 0,
    "links": [
      {
        "rel": "self",
        "href": "https://None/v2/66c860cb130b465fbafcdee43fb09c64/servers/24930df0-db4c-4a8b-8914-d0bd558564b0"
      },
      {
        "rel": "bookmark",
        "href": "https://None/66c860cb130b465fbafcdee43fb09c64/servers/24930df0-db4c-4a8b-8914-d0bd558564b0"
      }
    ],
    "id": "24930df0-db4c-4a8b-8914-d0bd558564b0",
    "updated": "2019-04-28T08:15:36Z",
    "status": "ACTIVE"
  }
}