Querying Backend Servers
Function
This API is used to query backend servers in a specific backend server group. Filter query and pagination query are supported. Unless otherwise specified, exact match is applied.
URI
GET /v2/{project_id}/elb/pools/{pool_id}/members
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
project_id |
Yes |
String |
Specifies the project ID. |
pool_id |
Yes |
String |
Specifies the ID of the backend server group. |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
marker |
No |
String |
Specifies the ID of the backend server from which pagination query starts, that is, the ID of the last backend server on the previous page. If this parameter is not specified, the first page will be queried. This parameter must be used together with limit. |
limit |
No |
Integer |
Specifies the number of backend servers on each page. If this parameter is not set, all backend servers are queried by default. |
page_reverse |
No |
Boolean |
Specifies the page direction. The value can be true or false, and the default value is false. The last page in the list requested with page_reverse set to false will not contain the "next" link, and the last page in the list requested with page_reverse set to true will not contain the "previous" link. This parameter must be used with limit. |
id |
No |
String |
Specifies the backend server ID.
NOTE:
The value of this parameter is not the ID of server. It is the ID automatically generated for the backend server associated with the load balancer. |
tenant_id |
No |
String |
Specifies the ID of the project where the backend server is used. The value contains a maximum of 255 characters. |
project_id |
No |
String |
Specifies the ID of the project to which the backend server belongs. This parameter has the same meaning as tenant_id. |
name |
No |
String |
Specifies the backend server name. The value contains a maximum of 255 characters.
NOTE:
The value of this parameter is not the name of server. It is the name automatically generated for the backend server associated with the load balancer. |
address |
No |
String |
Specifies the private IP address of the backend server. The value contains a maximum of 64 characters. |
protocol_port |
No |
Integer |
Specifies the port used by the backend server. |
subnet_id |
No |
String |
Specifies the ID of the subnet where the backend server resides. |
admin_state_up |
No |
Boolean |
Specifies the administrative status of the backend server. This parameter is reserved, and the default value is true. |
weight |
No |
Integer |
Specifies the backend server weight. |
Request
None
Response
Parameter |
Type |
Description |
---|---|---|
members |
Array of Members objects |
Lists backend servers in the backend server group. For details, see Table 4. |
Parameter |
Type |
Description |
---|---|---|
id |
String |
Specifies the backend server ID.
NOTE:
The value of this parameter is not the ID of server. It is the ID automatically generated for the backend server associated with the load balancer. |
tenant_id |
String |
Specifies the ID of the project where the backend server is used. The value contains a maximum of 255 characters. |
project_id |
String |
Specifies the ID of the project to which the backend server belongs. This parameter has the same meaning as tenant_id. |
name |
String |
Specifies the backend server name. The value contains a maximum of 255 characters. |
address |
String |
Specifies the private IP address of the backend server. This IP address must be in the subnet specified by subnet_id. This parameter can be set only to the IP address of the primary NIC, for example, 192.168.3.11. The value contains a maximum of 64 characters. |
protocol_port |
Integer |
Specifies the port used by the backend server. The port number ranges from 1 to 65535. |
subnet_id |
String |
Specifies the ID of the subnet where the backend server resides. The private IP address of the backend server is in this subnet. IPv6 subnets are not supported. |
admin_state_up |
Boolean |
Specifies the administrative status of the backend server. This parameter is reserved. The value can be true or false.
|
weight |
Integer |
Specifies the backend server weight. The value ranges from 0 to 100. If the value is 0, the backend server will not accept new requests. The default value is 1. |
operating_status |
String |
Specifies the health check result of the backend server. The value can be one of the following:
|
Example Request
- Example request 1: Querying all backend servers
GET https://{Endpoint}/v2/1a3e005cf9ce40308c900bcb08e5320c/elb/pools/5a9a3e9e-d1aa-448e-af37-a70171f2a332/members
- Example request 2: Querying the backend cloud server whose IP address is 10.0.0.8 and port number is 80
GET https://{Endpoint}/v2/1a3e005cf9ce40308c900bcb08e5320c/elb/pools/5a9a3e9e-d1aa-448e-af37-a70171f2a332/members?address=10.0.0.8&protocol_port=80
Example Response
- Example response 1
{ "members": [ { "address": "10.0.0.8", "admin_state_up": true, "id": "9a7aff27-fd41-4ec1-ba4c-3eb92c629313", "protocol_port": 80, "subnet_id": "013d3059-87a4-45a5-91e9-d721068ae0b2", "tenant_id": "1a3e005cf9ce40308c900bcb08e5320c", "project_id": "1a3e005cf9ce40308c900bcb08e5320c", "weight": 1, "operating_status": "ONLINE", "name": "member-name" } ] }
- Example response 2
{ "members": [ { "address": "10.0.0.8", "admin_state_up": true, "id": "9a7aff27-fd41-4ec1-ba4c-3eb92c629313", "protocol_port": 80, "subnet_id": "013d3059-87a4-45a5-91e9-d721068ae0b2", "tenant_id": "1a3e005cf9ce40308c900bcb08e5320c", "project_id": "1a3e005cf9ce40308c900bcb08e5320c", "weight": 1, "operating_status": "ONLINE", "name": "member-name" } ] }
Status Code
For details, see Status Codes.
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