Queries detailed information about a primary/secondary server group.

Debugging

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Request parameters

Parameter Type Required Example Description
Action String Yes DescribeMasterSlaveServerGroupAttribute

The operation that you want to perform.

Set the value to DescribeMasterSlaveServerGroupAttribute.

MasterSlaveServerGroupId String Yes rsp-cige6j******

The ID of the primary/secondary server group.
RegionId String Yes cn-hangzhou

The ID of the region where the SLB instance is created.

Response parameters

Parameter Type Example Description
MasterSlaveServerGroupId String rsp-cige6******

The ID of the primary/secondary server group.
MasterSlaveServerGroupName String Group1

The name of the primary/secondary server group.
MasterSlaveBackendServers Array

The list of backend servers in the primary/secondary server group.
MasterSlaveBackendServer
ServerId String vm-hrf******

The ID of the Elastic Compute Service (ECS) instance or elastic network interface (ENI).

Port Integer 90

The port that is used by the backend server.
Weight Integer 100

The weight of the backend server.
ServerType String Slave

The type of backend server. Valid values: Master and Slave. Default value: Master.

Description String The description of the primary/secondary server group.

The description of the primary/secondary server group.
Type String ecs

The type of backend server. Valid values:

  • ecs: ECS instance. This is the default value.
  • eni: ENI.
LoadBalancerId String lb-14fadafw4343a******

The ID of the SLB instance.
RequestId String 9DEC9C28-AB05-4DDF-9A78-6B08EC9CE18C

The ID of the request.

Examples

Sample request

http(s)://[Endpoint]/? Action=DescribeMasterSlaveServerGroupAttribute
&MasterSlaveServerGroupId=rsp-cige6j******
&RegionId=cn-hangzhou
&<Common request parameters>

Sample success responses

XML format 

<DescribeMasterSlaveServerGroupAttributeResponse>
    <RequestId>9DEC9C28-AB05-4DDF-9A78-6B08EC9CE18C</RequestId>
    <MasterSlaveServerGroupId>rsp-cige6******</MasterSlaveServerGroupId>
    <MasterSlaveBackendServers>
          <MasterSlaveBackendServers>
                <ServerId>vm-sshssh****</ServerId>
                <Port>80</Port>
                <Weight>100</Weight>
                <ServerType>Master</ServerType>
          </MasterSlaveBackendServers>
          <MasterSlaveBackendServers>
                <ServerId>vm-ffff*****</ServerId>
                <Port>90</Port>
                <Weight>100</Weight>
                <ServerType>Slave</ServerType>
          </MasterSlaveBackendServers>
    </MasterSlaveBackendServers>
</DescribeMasterSlaveServerGroupAttributeResponse>

JSON format 

{
  "DescribeMasterSlaveServerGroupAttributeResponse": {
    "RequestId": "9DEC9C28-AB05-4DDF-9A78-6B08EC9CE18C",
    "MasterSlaveServerGroupId": "rsp-cige6******",
    "MasterSlaveBackendServers": {
      "MasterSlaveBackendServers": [
        {
          "ServerId": "vm-sshssh****",
          "Port": "80",
          "Weight": "100",
          "ServerType": "Master"
        },
        {
          "ServerId": "vm-ffff*****",
          "Port": "90",
          "Weight": "100",
          "ServerType": "Slave"
        }
      ]
    }
  }
}

Error codes

For a list of error codes, visit the API Error Center.