DescribeMasterSlaveServerGroups - Server Load Balancer - Alibaba Cloud Documentation Center

Queries primary/secondary server groups.

Debugging

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Debug

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

Operation: the value that you can use in the Action element to specify the operation on a resource.
Access level: the access level of each operation. The levels are read, write, and list.
Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
Condition Key: the condition key that is defined by the cloud service.
Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.

Operation	Access level	Resource type	Condition key	Associated operation
slb:DescribeMasterSlaveServerGroups	READ	loadbalancer acs:slb:{#regionId}:{#accountId}:loadbalancer/{#loadbalancerId}	slb:tag	none

Request parameters

Parameter	Type	Required	Description	Example
RegionId	string	Yes	The region ID of the CLB instance.	cn-hangzhou
LoadBalancerId	string	Yes	The CLB instance ID.	lb-bp14zi0n66zpg6o******
IncludeListener	boolean	No	Specifies whether to return information about the associated listeners. Valid values: true false	false
Tag	object []	No	The tags.
Key	string	No	The key of tag N. Valid values of N: 1 to 20. The tag key cannot be an empty string. The tag key can be up to 64 characters in length, and cannot contain `http://` or `https://`. The tag key cannot start with `aliyun` or `acs:`.	TestKey
Value	string	No	The value of tag N. Valid values of N: 1 to 20. The tag value can be an empty string. The tag value can be up to 128 characters in length and cannot contain `http://` or `https://`. The tag value cannot start with `aliyun` and `acs:`.	value
Description	string	No	The description of the primary/secondary server group.	test-112

Response parameters

Parameter	Type	Description	Example
	object
RequestId	string	The request ID.	9DEC9C28-AB05-4DDF-9A78-6B08EC9CE18C
MasterSlaveServerGroups	object []	The primary/secondary server groups.
MasterSlaveServerGroupId	string	The ID of the primary/secondary server group.	rsp-0bfuc******
MasterSlaveServerGroupName	string	The name of the primary/secondary server group.	Group3
AssociatedObjects	object	The associated resources.
Listeners	object []	The listeners.
Port	integer	The listener port.	80
Protocol	string	The listener protocol.	tcp
CreateTime	string	The time when the CLB instance was created. Specify the time in the `YYYY-MM-DDThh:mm:ssZ` format.	2022-12-02T02:49:05Z
Tags	object []	The tags to add to the resource.
TagKey	string	The tag key.	test_slb_yaochi_tag_key-0
TagValue	string	The tag value.	000098dab00323fb

Examples

Sample success responses

JSONformat

{
  "RequestId": "9DEC9C28-AB05-4DDF-9A78-6B08EC9CE18C",
  "MasterSlaveServerGroups": {
    "MasterSlaveServerGroup": [
      {
        "MasterSlaveServerGroupId": "rsp-0bfuc******",
        "MasterSlaveServerGroupName": "Group3",
        "AssociatedObjects": {
          "Listeners": {
            "Listener": [
              {
                "Port": 80,
                "Protocol": "tcp"
              }
            ]
          }
        },
        "CreateTime": "2022-12-02T02:49:05Z",
        "Tags": {
          "Tag": [
            {
              "TagKey": "test_slb_yaochi_tag_key-0",
              "TagValue": "000098dab00323fb"
            }
          ]
        }
      }
    ]
  }
}

Error codes

HTTP status code	Error code	Error message
400	MissingParam.TagKey	The param of TagKey is missing.

For a list of error codes, visit the Service error codes.

Change history

Change time

Summary of changes

Operation

2023-10-25

The Error code has changed. The request parameters of the API has changed

see changesets

Change item	Change content
Error Codes	The Error code has changed.
	delete Error Codes: 400
Input Parameters	The request parameters of the API has changed.
	Added Input Parameters: Description

2023-07-04

The Error code has changed

see changesets

Change item	Change content
Error Codes	The Error code has changed.
	delete Error Codes: 400