ALIYUN::DNS::AccessStrategy-Resource Orchestration Service(ROS)-阿里云帮助中心

Syntax

{
  "Type": "ALIYUN::DNS::AccessStrategy",
  "Properties": {
    "DefaultAddrPoolType": String,
    "DefaultMinAvailableAddrNum": Integer,
    "DefaultAddrPool": List,
    "InstanceId": String,
    "StrategyName": String,
    "StrategyMode": String,
    "AccessMode": String,
    "DefaultLatencyOptimization": String,
    "DefaultMaxReturnAddrNum": Integer,
    "DefaultLbaStrategy": String,
    "FailoverMinAvailableAddrNum": Integer,
    "FailoverAddrPoolType": String,
    "FailoverAddrPool": List,
    "FailoverLatencyOptimization": String,
    "FailoverLbaStrategy": String,
    "FailoverMaxReturnAddrNum": Integer,
    "Lines": List
  }
}

Properties

Parameter	Type	Required	Update allowed	Description	Constraints
DefaultAddrPool	List	Yes	Yes	The default address pool for the access strategy.	Length: 1 to 100. For more information, see DefaultAddrPool properties.
DefaultAddrPoolType	String	Yes	No	The type of the default address pool.	Allowed values: IPV4 IPV6 DOMAIN
DefaultMinAvailableAddrNum	Integer	Yes	Yes	The minimum number of available addresses in the default address pool.	Range: 1 to 400.
InstanceId	String	Yes	No	The ID of the DNS instance.	None
StrategyMode	String	Yes	No	The mode of the access strategy.	Allowed values: GEO: An access strategy based on geographic location. LATENCY: An access strategy based on latency.
StrategyName	String	Yes	Yes	The name of the access strategy.	None
AccessMode	String	No	Yes	The access mode of the access strategy.	None
DefaultLatencyOptimization	String	No	Yes	Specifies whether to enable latency optimization for the default address pool.	Allowed values: OPEN: enabled CLOSE: disabled
DefaultLbaStrategy	String	No	Yes	The load balancing strategy for the default address pool.	Allowed values: ALL_RR: Returns all available addresses in the address pool. RATIO: Returns addresses based on their configured weights.
DefaultMaxReturnAddrNum	Integer	No	Yes	The maximum number of addresses to return from the default address pool.	Range: 1 to 8.
FailoverAddrPool	List	No	Yes	The failover address pool for the access strategy.	Length: 1 to 100. For more information, see FailoverAddrPool properties.
FailoverAddrPoolType	String	No	Yes	The type of the failover address pool.	Allowed values: IPV4 IPV6 DOMAIN
FailoverLatencyOptimization	String	No	Yes	Specifies whether to enable latency optimization for the failover address pool.	Allowed values: OPEN: enabled CLOSE: disabled
FailoverLbaStrategy	String	No	Yes	The load balancing strategy for the failover address pool.	Allowed values: ALL_RR: Returns all available addresses in the address pool. RATIO: Returns addresses based on their configured weights.
FailoverMaxReturnAddrNum	Integer	No	Yes	The maximum number of addresses to return from the failover address pool.	Range: 1 to 8.
FailoverMinAvailableAddrNum	Integer	No	Yes	The minimum number of available addresses in the failover address pool.	Range: 1 to 400.
Lines	List	No	Yes	The request source lines for the access strategy.	None

FailoverAddrPool syntax

"FailoverAddrPool": [
  {
    "LbaWeight": Integer,
    "Id": String
  }
]

FailoverAddrPool properties

Parameter	Type	Required	Update allowed	Description	Constraints
Id	String	No	No	The ID of the address pool.	None
LbaWeight	Integer	No	No	The load balancing weight of the address pool.	None

DefaultAddrPool syntax

"DefaultAddrPool": [
  {
    "LbaWeight": Integer,
    "Id": String
  }
]

DefaultAddrPool properties

Parameter	Type	Required	Update allowed	Description	Constraints
Id	String	No	No	The ID of the address pool.	None
LbaWeight	Integer	No	No	The load balancing weight of the address pool.	None

Return values

Fn::GetAtt

StrategyId: The ID of the access strategy.

Examples

YAML

ROSTemplateFormatVersion: '2015-09-01'
Parameters:
  DefaultAddrPoolType:
    Type: String
    Description: The type of the default address pool.
    AllowedValues:
      - IPV4
      - IPV6
      - DOMAIN
    Required: true
  InstanceId:
    Type: String
    Description: The ID of the DNS instance.
    Required: true
  DefaultMinAvailableAddrNum:
    Type: Number
    Description: The minimum number of available addresses in the default address pool.
    Required: true
    MinValue: 1
    MaxValue: 400
  DefaultAddrPool:
    AssociationPropertyMetadata:
      Parameters:
        LbaWeight:
          Type: Number
          Description: The load balancing weight of the address pool.
          Required: false
        Id:
          Type: String
          Description: The ID of the address pool.
          Required: false
    AssociationProperty: List[Parameters]
    Type: Json
    Description: The default address pool for the access strategy.
    Required: true
    MinLength: 1
    MaxLength: 100
  StrategyName:
    Type: String
    Description: The name of the access strategy.
    Required: true
  StrategyMode:
    Type: String
    Description: The mode of the access strategy.
    AllowedValues:
      - GEO
      - LATENCY
    Required: true
Resources:
  AccessStrategy:
    Type: ALIYUN::DNS::AccessStrategy
    Properties:
      DefaultAddrPoolType:
        Ref: DefaultAddrPoolType
      InstanceId:
        Ref: InstanceId
      DefaultMinAvailableAddrNum:
        Ref: DefaultMinAvailableAddrNum
      DefaultAddrPool:
        Ref: DefaultAddrPool
      StrategyName:
        Ref: StrategyName
      StrategyMode:
        Ref: StrategyMode
Outputs:
  StrategyId:
    Description: The ID of the access strategy.
    Value:
      Fn::GetAtt:
        - AccessStrategy
        - StrategyId

JSON

{
  "ROSTemplateFormatVersion": "2015-09-01",
  "Parameters": {
    "DefaultAddrPoolType": {
      "Type": "String",
      "Description": "The type of the default address pool.",
      "AllowedValues": [
        "IPV4",
        "IPV6",
        "DOMAIN"
      ],
      "Required": true
    },
    "InstanceId": {
      "Type": "String",
      "Description": "The ID of the DNS instance.",
      "Required": true
    },
    "DefaultMinAvailableAddrNum": {
      "Type": "Number",
      "Description": "The minimum number of available addresses in the default address pool.",
      "Required": true,
      "MinValue": 1,
      "MaxValue": 400
    },
    "DefaultAddrPool": {
      "AssociationPropertyMetadata": {
        "Parameters": {
          "LbaWeight": {
            "Type": "Number",
            "Description": "The load balancing weight of the address pool.",
            "Required": false
          },
          "Id": {
            "Type": "String",
            "Description": "The ID of the address pool.",
            "Required": false
          }
        }
      },
      "AssociationProperty": "List[Parameters]",
      "Type": "Json",
      "Description": "The default address pool for the access strategy.",
      "Required": true,
      "MinLength": 1,
      "MaxLength": 100
    },
    "StrategyName": {
      "Type": "String",
      "Description": "The name of the access strategy.",
      "Required": true
    },
    "StrategyMode": {
      "Type": "String",
      "Description": "The mode of the access strategy.",
      "AllowedValues": [
        "GEO",
        "LATENCY"
      ],
      "Required": true
    }
  },
  "Resources": {
    "AccessStrategy": {
      "Type": "ALIYUN::DNS::AccessStrategy",
      "Properties": {
        "DefaultAddrPoolType": {
          "Ref": "DefaultAddrPoolType"
        },
        "InstanceId": {
          "Ref": "InstanceId"
        },
        "DefaultMinAvailableAddrNum": {
          "Ref": "DefaultMinAvailableAddrNum"
        },
        "DefaultAddrPool": {
          "Ref": "DefaultAddrPool"
        },
        "StrategyName": {
          "Ref": "StrategyName"
        },
        "StrategyMode": {
          "Ref": "StrategyMode"
        }
      }
    }
  },
  "Outputs": {
    "StrategyId": {
      "Description": "The ID of the access strategy.",
      "Value": {
        "Fn::GetAtt": [
          "AccessStrategy",
          "StrategyId"
        ]
      }
    }
  }
}