Modify instance hostname
Updated at：2025-10-20
This API is used to modify the hostname of a specified BCC instance.
Request structure
Plain Text
1PUT /v{version}/instance/{instanceId}?{action} HTTP/1.1
2Host: bcc.bj.baidubce.com
3Authorization: authorization string
4
5{
6 "hostname": hostname,
7 "isOpenHostnameDomain": isOpenHostnameDomain,
8 "reboot": reboot，
9 "isAllowHostnameRepeat": isAllowHostnameRepeat
10}Request headers
There are no special headers required beyond the common headers.
Request parameters
| Parameter name | Types | Whether required | Parameter location | Description |
|---|---|---|---|---|
| version | String | Yes | URL parameter | API version number |
| instanceId | String | Yes | URL parameter | Specified instance ID |
| action | String | Yes | Query | Action executed on the instance, current value: changeHostname |
| hostname | String | Yes | RequestBody | Instance hostname |
| isOpenHostnameDomain | Boolean | No | RequestBody | Whether to enable hostname domain. True: yes; false: no. The default is false |
| reboot | Boolean | No | RequestBody | Whether to automatically reboot. The default is false |
| isAllowHostnameRepeat | Boolean | No | RequestBody | Whether to allow replicate hostnames. True: yes; false: no. The default is false |
Response headers
No special headers are required beyond the standard ones.
Response parameters
There are no special response parameters
Error codes
| Error code | Error description | HTTP status code | Chinese explanation |
|---|---|---|---|
| BadRequest | Illegal name format. | 400 | Invalid hostname |
| NoSuchObject | The specified object is not found or resource do not exist. | 404 | Resource does not exist |
| BadRequest | Hostname duplicate in same vpc. | 400 | Replicate hostname within the same VPC |
Request example
Plain Text
1PUT /v2/instance/i-YufwpQAe?changeHostname HTTP/1.1
2Host: bcc.bj.baidubce.com
3ContentType: application/json
4Authorization: bce-auth-v1/f81d3b34e48048fbb2634dc7882d7e21/2015-08-11T04:17:29Z/3600/host/74c506f68c65e26c633bfa104c863fffac5190fdec1ec24b7c03eb5d67d2e1de
5
6{
7 "hostname": "example"
8}Response example
Plain Text
1HTTP/1.1 200 OK
2x-bce-request-id: 1214cca7-4ad5-451d-9215-71cb844c0a50
3Date: Wed, 03 Dec 2014 06:42:19 GMT
4Content-Type: application/json;charset=UTF-8
5Server: BWS