ALIYUN::SLB::VServerGroup is used to create a vServer group and attach backend servers to a Server Load Balancer (SLB) instance.
Syntax
{
"Type": "ALIYUN::SLB::VServerGroup",
"Properties": {
"VServerGroupName": String,
"BackendServers": List,
"LoadBalancerId": String
}
}
Properties
Property | Type | Required | Editable | Description | Constraint |
---|---|---|---|---|---|
VServerGroupName | String | Yes | No | The name of the vServer group. | None |
BackendServers | List | No | Yes | The list of backend servers. | You can attach a maximum of 20 Elastic Compute Service (ECS) instances. For more information, see BackendServers properties. |
LoadBalancerId | String | Yes | No | The ID of the SLB instance. | None |
BackendServers syntax
"BackendServers": [
{
"ServerId": String,
"Port": Integer,
"Weight": Integer,
"Type": String,
"Description": String,
"ServerIp": String
}
]
BackendServers properties
Property | Type | Required | Editable | Description | Constraint |
---|---|---|---|---|---|
ServerId | String | Yes | Yes | The ID of the backend server. | None |
Port | Integer | Yes | Yes | The port that is used by the backend server. | Valid values: 1 to 65535. |
Weight | Integer | No | Yes | The weight of the backend server. | Valid values: 0 to 100. |
Type | String | No | Yes | The type of the backend server. | Default value: ecs. Valid values:
|
Description | String | No | Yes | The description of the backend server. | The description must be 1 to 80 characters in length and can contain letters, digits, hyphens (-), forward slashes (/), periods (.),and underscores (_). |
ServerIp | String | No | Yes | The IP address of the backend server. | The IP addresses of ECS instances or ENIs are supported. |
Response parameters
Fn::GetAtt
- VServerGroupId: the ID of the vServer group.
- BackendServers: the list of backend servers attached to the SLB instance.
Examples
JSON
format{ "ROSTemplateFormatVersion": "2015-09-01", "Parameters": { "LoadBalancerId": { "AssociationProperty":"ALIYUN::SLB::Instance::InstanceId", "Type":"String", "Description": "The id of load balancer." }, "ECSInstanceId": { "Type": "String", "AssociationProperty": "ALIYUN::ECS::Instance::InstanceId" } }, "Resources": { "VServerGroup": { "Type": "ALIYUN::SLB::VServerGroup", "Properties": { "VServerGroupName": { "Ref": "ALIYUN::StackName" }, "LoadBalancerId": { "Ref": "LoadBalancerId" }, "BackendServers": [ { "ServerId": { "Ref": "ECSInstanceId" }, "Port": "80" } ] } } }, "Outputs": { "VServerGroupId": { "Description": "The id of VServerGroup created.", "Value": { "Fn::GetAtt": [ "VServerGroup", "VServerGroupId" ] } }, "BackendServers": { "Description": "Backend server list in this VServerGroup.", "Value": { "Fn::GetAtt": [ "VServerGroup", "BackendServers" ] } } } }