ALIYUN::ALB::ServerGroup资源参考-资源编排-阿里云

ALIYUN::ALB::ServerGroup类型用于创建服务器组。

语法

{
  "Type": "ALIYUN::ALB::ServerGroup",
  "Properties": {
    "VpcId": String,
    "ResourceGroupId": String,
    "Scheduler": String,
    "StickySessionConfig": Map,
    "HealthCheckConfig": Map,
    "Protocol": String,
    "ServerGroupType": String,
    "ServerGroupName": String,
    "Tags": List,
    "ServiceName": String,
    "UpstreamKeepaliveEnabled": Boolean,
    "SlowStartConfig": Map,
    "ConnectionDrainConfig": Map,
    "UchConfig": Map,
    "CrossZoneEnabled": Boolean,
    "Ipv6Enabled": Boolean
  }
}

属性

属性名称	类型	必须	允许更新	描述	约束
HealthCheckConfig	Map	是	是	健康检查相关配置结构。	更多信息，请参见HealthCheckConfig属性。
ServerGroupName	String	是	是	服务器组名称。	长度为2~128个字符，必须以英文字母或汉字开头，可包含数字、半角句点（.）、下划线（_）和短划线（-）。
VpcId	String	否	否	专有网络ID。	只有该VPC下的服务器可以加入服务器组。
Protocol	String	否	否	后端协议。	取值： HTTP（默认值）：支持关联HTTPS、HTTP和QUIC监听。 HTTPS：支持关联HTTPS监听。 gRPC：关联 HTTPS 和 QUIC 监听。说明 ServerGroupType取值为Fc时，仅支持HTTP协议。
ResourceGroupId	String	否	是	资源组ID。	无
Scheduler	String	否	是	调度算法。	取值： Wrr（默认值）：权重值越高的后端服务器，被轮询到的概率也越高。 Wlc：除了根据每台后端服务器设定的权重值来进行轮询，同时还考虑后端服务器的实际负载（即连接数）。当权重值相同时，当前连接数越小的后端服务器被轮询到的概率也越高。 Sch：源IP一致性Hash。
ServerGroupType	String	否	否	服务器组类型。	取值： `Instance`（默认值）：服务器类型。 `Ip`：IP地址类型。 Fc：函数计算类型，该类型支持添加函数计算类型的后端服务器。
ServiceName	String	否	是	服务器组对应的Kubernetes服务名称。	说明本参数仅适用于应用路由场景。
StickySessionConfig	Map	否	是	会话保持配置结构体。	更多信息，请参见StickySessionConfig属性。
Tags	List	否	是	标签。	最多添加20个标签。更多信息，请参见Tags属性。
UpstreamKeepaliveEnabled	Boolean	否	是	是否开启后端长链接。	true：开启 false（默认值）：不开启。
SlowStartConfig	Map	否	是	慢启动相关配置。	开启慢启动后，将会在设定的时间段内对新添加到后端服务器组的后端服务器进行预热，转发到该服务器的请求数量线性增加。更多信息，请参见SlowStartConfig属性。说明基础版实例不支持开启慢启动，仅标准版、WAF 增强版实例支持。服务器类型、IP 类型服务器组支持配置慢启动，函数计算类型不支持。慢启动仅在后端调度算法是加权轮询算法时可开启。
ConnectionDrainConfig	Map	否	是	连接优雅中断相关配置。	开启连接优雅中断，在移除后端服务器或者健康检查失败后，负载均衡使现有连接在一定时间内正常传输。说明基础版实例不支持开启连接优雅中断，仅标准版、WAF 增强版实例支持。服务器类型、IP 类型服务器组支持连接优雅中断，函数计算类型不支持。
UchConfig	Map	否	是	URL一致性 hash 参数配置。	更多信息，请参见UchConfig属性。
CrossZoneEnabled	Boolean	否	是	服务器组是否开启跨 AZ 负载均衡。	取值： true：开启（默认值） false：关闭说明基础版实例不支持绑定关闭跨 AZ 负载均衡的服务器组，仅标准版、WAF 增强版实例支持。服务器类型、IP 类型服务器组支持关闭跨 AZ 负载均衡，函数计算类型不支持。关闭跨 AZ 负载均衡时，不支持开启会话保持。
Ipv6Enabled	Boolean	否	否	是否开启 Ipv6	无

UchConfig语法

"UchConfig": {
  "Type": String,
  "Value": String
}

UchConfig属性

属性名称	类型	必须	允许更新	描述	约束
Type	String	是	否	参数类型。	只能填 QueryString。
Value	String	是	否	一致性 hash 参数值。	无

ConnectionDrainConfig语法

"ConnectionDrainConfig": {
  "ConnectionDrainTimeout": Integer,
  "ConnectionDrainEnabled": Boolean
}

ConnectionDrainConfig属性

属性名称

类型

必须

允许更新

描述

约束

ConnectionDrainTimeout

Integer

是

连接优雅中断超时时间。

取值范围：0～900。

默认值：300。

ConnectionDrainEnabled

Boolean

是

是否开启连接优雅中断。

取值：

true：启用。
false：禁用。

SlowStartConfig语法

"SlowStartConfig": {
  "SlowStartDuration": Integer,
  "SlowStartEnabled": Boolean
}

SlowStartConfig属性

属性名称

类型

必须

允许更新

描述

约束

SlowStartDuration

Integer

是

慢启动持续时间。

取值范围：30~900。

默认值：30。

SlowStartEnabled

Boolean

是

是否开启慢启动。

取值：

true：启用。
false：禁用。

StickySessionConfig语法

"StickySessionConfig": {
  "Cookie": String,
  "CookieTimeout": Integer,
  "StickySessionType": String,
  "StickySessionEnabled": Boolean
}

StickySessionConfig属性

属性名称	类型	必须	允许更新	描述	约束
Cookie	String	否	是	服务器上配置的Cookie。	长度为1～200个字符，不能以美元符号（$）开头，可包含英文字母和数字，不能包含半角逗号（,）、半角分号（;）或空格。说明当StickySessionEnabled取值为true且StickySessionType取值为Server时，必须指定该参数。
CookieTimeout	Integer	否	是	Cookie超时时间。	取值范围：1~86,400。默认值：1000。单位：秒。说明当StickySessionEnabled取值为true且StickySessionType取值为Insert时，必须指定该参数。
StickySessionEnabled	Boolean	否	是	是否启用会话保持。	取值： true：启用。 false：禁用。说明当ServerGroupType取值为`Instance`或`Ip`时，必须指定该参数。
StickySessionType	String	否	是	Cookie的处理方式。	取值： Insert（默认值）：植入Cookie。客户端第一次访问时，负载均衡会在返回请求中植入Cookie（即在HTTP或HTTPS响应报文中插入SERVERID），下次客户端携带此Cookie访问，负载均衡服务会将请求定向转发给之前记录到的后端服务器上。 Server：重写Cookie。负载均衡发现用户自定义了Cookie，将会对原来的Cookie进行重写，下次客户端携带新的Cookie访问，负载均衡服务会将请求定向转发给之前记录到的后端服务器。说明当StickySessionEnabled取值为true时，必须指定该参数。

HealthCheckConfig语法

"HealthCheckConfig": {
  "HealthCheckInterval": Integer,
  "HealthCheckConnectPort": Integer,
  "HealthCheckCodes": List,
  "UnhealthyThreshold": Integer,
  "HealthCheckMethod": String,
  "HealthCheckPath": String,
  "HealthCheckHost": String,
  "HealthyThreshold": Integer,
  "HealthCheckProtocol": String,
  "HealthCheckHttpVersion": String,
  "HealthCheckEnabled": Boolean,
  "HealthCheckTimeout": Integer
}

HealthCheckConfig属性

属性名称	类型	必须	允许更新	描述	约束
HealthCheckEnabled	Boolean	是	是	是否启用健康检查。	取值： true：启用。 false：禁用。
HealthCheckCodes	List	否	是	健康检查的状态码列表。	取值： http_2xx（默认值） http_3xx http_4xx http_5xx 当HealthCheckProtocol取值为gRPC时，HealthCheckCodes状态码范围：0~99，默认值：0。支持范围输入，最多支持 20 个范围值。多个范围值使用半角逗号（,）隔开。说明 HealthCheckProtocol为HTTP或HTTPS或gRPC，该参数生效。
HealthCheckConnectPort	Integer	否	是	健康检查的后端服务器的端口。	取值范围： 0~65,535。默认值：0，表示使用后端服务器的端口进行健康检查。
HealthCheckHost	String	否	是	健康检查域名。	长度为1~80个字符。可包含小写英文字母、数字、短划线（-）和半角句号（.）。取值示例：`www.example.com`。说明当HealthCheckProtocol取值为HTTP时，该参数有效。
HealthCheckHttpVersion	String	否	是	健康检查HTTP协议版本。	取值： HTTP1.0 HTTP1.1（默认值）说明当HealthCheckProtocol取值为HTTP时，该参数有效。
HealthCheckInterval	Integer	否	是	健康检查的时间间隔。	取值范围：1~50。默认值：2。单位：秒。
HealthCheckMethod	String	否	是	健康检查方式。	取值： GET HEAD（默认值） POST：gRPC 监听健康检查默认采用 POST 方法。说明只有HealthCheckProtocol设置为HTTP或HTTPS或gRPC时，该参数生效。
HealthCheckPath	String	否	是	健康检查的路径。	长度为1~80，必须以正斜线（/）开头。可包含英文字母、数字和特殊字符`-/.%?#&=_;~!（)*[]@$^:',+`。说明当HealthCheckProtocol取值为HTTP时，该参数有效。
HealthCheckProtocol	String	否	是	健康检查协议。	取值： HTTP：通过发送 HEAD 或 GET 请求模拟浏览器的访问行为来检查服务器应用是否健康。 HTTPS：通过发送 HEAD 或 GET 请求模拟浏览器的访问行为来检查服务器应用是否健康。（数据加密，相比 HTTP 更安全。） TCP：通过发送 SYN 握手报文来检测服务器端口是否存活。 gRPC：通过发送 POST 或 GET 请求来检查服务器应用是否健康。
HealthCheckTimeout	Integer	否	是	接收来自运行状况检查的响应需要等待的时间。	如果后端ECS在指定的时间内没有正确响应，则判定为健康检查失败。取值范围：1~300。默认值：5。单位：秒。说明如果HealthCheckTimeout的值小于HealthCheckInterval的值，则HealthCheckTimeout无效，超时时间为HealthCheckInterval的值。
HealthyThreshold	Integer	否	是	健康检查连续成功多少次后，将后端服务器的健康检查状态由失败判定为成功。	取值范围：2~10。默认值：3。
UnhealthyThreshold	Integer	否	是	健康检查连续失败多少次后，将后端服务器的健康检查状态由成功判定为失败。	取值范围：2~10。默认值：3。

Tags语法

"Tags": [
  {
    "Key": String,
    "Value": String
  }
]

Tags属性

属性名称	类型	必须	允许更新	描述	约束
Key	String	是	否	标签键。	长度为1~128个字符，不能以`aliyun`和`acs:`开头，不能包含http://或https:// 。
Value	String	否	否	标签值。	长度为0~128个字符，不能以`aliyun`和`acs:`开头，不能包含http://或https:// 。

返回值

Fn::GetAtt

ServerGroupId：服务器组ID。
Arn：阿里云资源名称。

示例

说明

请您根据实际情况更改脱敏的参数取值。

场景 1 ：向服务器组中添加后端服务器。

YAML

ROSTemplateFormatVersion: '2015-09-01'
Parameters:
  VpcId:
    AssociationProperty: ALIYUN::ECS::VPC::VPCId
    Type: String
    Label:
      zh-cn: 现有VPC的实例ID
      en: Existing VPC Instance ID
Resources:
  ServerGroup:
    Type: ALIYUN::ALB::ServerGroup
    Properties:
      VpcId:
        Ref: VpcId
      StickySessionConfig:
        Cookie: B490B5EBF6F3CD402E515D22****
        CookieTimeout: 1000
        StickySessionEnabled: true
        StickySessionType: Insert
      HealthCheckConfig:
        HealthCheckConnectPort: 80
        HealthCheckEnabled: true
        HealthCheckHost: www.example.com
        HealthCheckCodes:
          - http_2xx
        HealthCheckHttpVersion: HTTP1.0
        HealthCheckInterval: 5
        HealthCheckMethod: HEAD
        HealthCheckPath: /test/index.html
        HealthCheckProtocol: HTTP
        HealthCheckTimeout: 3
        HealthyThreshold: 4
        UnhealthyThreshold: 4
      ServerGroupName: TestServerGroup
Outputs:
  ServerGroupId:
    Description: The ID of the server group.
    Value:
      Fn::GetAtt:
        - ServerGroup
        - ServerGroupId

JSON

{
  "ROSTemplateFormatVersion": "2015-09-01",
  "Parameters": {
    "VpcId": {
      "AssociationProperty": "ALIYUN::ECS::VPC::VPCId",
      "Type": "String",
      "Label": {
        "zh-cn": "现有VPC的实例ID",
        "en": "Existing VPC Instance ID"
      }
    }
  },
  "Resources": {
    "ServerGroup": {
      "Type": "ALIYUN::ALB::ServerGroup",
      "Properties": {
        "VpcId": {
          "Ref": "VpcId"
        },
        "StickySessionConfig": {
          "Cookie": "B490B5EBF6F3CD402E515D22****",
          "CookieTimeout": 1000,
          "StickySessionEnabled": true,
          "StickySessionType": "Insert"
        },
        "HealthCheckConfig": {
          "HealthCheckConnectPort": 80,
          "HealthCheckEnabled": true,
          "HealthCheckHost": "www.example.com",
          "HealthCheckCodes": [
            "http_2xx"
          ],
          "HealthCheckHttpVersion": "HTTP1.0",
          "HealthCheckInterval": 5,
          "HealthCheckMethod": "HEAD",
          "HealthCheckPath": "/test/index.html",
          "HealthCheckProtocol": "HTTP",
          "HealthCheckTimeout": 3,
          "HealthyThreshold": 4,
          "UnhealthyThreshold": 4
        },
        "ServerGroupName": "TestServerGroup"
      }
    }
  },
  "Outputs": {
    "ServerGroupId": {
      "Description": "The ID of the server group.",
      "Value": {
        "Fn::GetAtt": [
          "ServerGroup",
          "ServerGroupId"
        ]
      }
    }
  }
}

场景 2 ：创建一个应用型负载均衡ALB实例，并向服务器组中添加后端服务器。

YAML

ROSTemplateFormatVersion: '2015-09-01'
Description:
  zh-cn: 创建双可用区ALB负载均衡。
  en: Create a dual-Availability-Zone ALB.
Parameters:
  CommonName:
    Type: String
    Default: elastic-app
  ZoneId1:
    Type: String
    AssociationProperty: 'ALIYUN::ECS::Instance::ZoneId'
    AssociationPropertyMetadata:
      ExclusiveTo:
        - ZoneId2
    Label:
      en: Availability Zone
      zh-cn: 可用区1
  ZoneId2:
    Type: String
    AssociationProperty: 'ALIYUN::ECS::Instance::ZoneId'
    AssociationPropertyMetadata:
      ExclusiveTo:
        - ZoneId1
    Label:
      en: Availability Zone
      zh-cn: 可用区2
  InstanceType1:
    Type: String
    AssociationProperty: 'ALIYUN::ECS::Instance::InstanceType'
    AssociationPropertyMetadata:
      InstanceChargeType: PostPaid
      SystemDiskCategory: cloud_essd
      ZoneId: ${ZoneId}
    Label:
      en: Instance Type
      zh-cn: 实例规格1
  InstanceType2:
    Type: String
    AssociationProperty: 'ALIYUN::ECS::Instance::InstanceType'
    AssociationPropertyMetadata:
      InstanceChargeType: PostPaid
      SystemDiskCategory: cloud_essd
      ZoneId: ${ZoneId}
    Label:
      en: Instance Type
      zh-cn: 实例规格2
  InstancePassword:
    NoEcho: true
    Type: String
    Description:
      en: >-
        Server login password, Length 8-30, must contain three(Capital letters,
        lowercase letters, numbers, ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/ Special
        symbol in)
      zh-cn: >-
        服务器登录密码,长度8-30，必须包含三项（大写字母、小写字母、数字、 ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/
        中的特殊符号）
    Label:
      en: Instance Password
      zh-cn: 实例密码
    ConstraintDescription:
      en: >-
        Length 8-30, must contain three(Capital letters, lowercase letters,
        numbers, ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/ Special symbol in)
      zh-cn: '长度8-30，必须包含三项（大写字母、小写字母、数字、 ()`~!@#$%^&*_-+=|{}[]:;''<>,.?/ 中的特殊符号）'
    AssociationProperty: 'ALIYUN::ECS::Instance::Password'
    Default: null
Resources:
  Vpc:
    Type: 'ALIYUN::ECS::VPC'
    Properties:
      CidrBlock: 192.168.0.0/16
      VpcName:
        Fn::Sub: ${CommonName}-vpc
  VSwitch1:
    Type: 'ALIYUN::ECS::VSwitch'
    Properties:
      VpcId:
        Ref: Vpc
      CidrBlock: 192.168.1.0/24
      ZoneId:
        Ref: ZoneId1
      VSwitchName:
        Fn::Sub: ${CommonName}-vsw
  VSwitch2:
    Type: 'ALIYUN::ECS::VSwitch'
    Properties:
      VpcId:
        Ref: Vpc
      CidrBlock: 192.168.2.0/24
      ZoneId:
        Ref: ZoneId2
      VSwitchName:
        Fn::Sub: ${CommonName}-vsw
  SecurityGroup:
    Type: 'ALIYUN::ECS::SecurityGroup'
    Properties:
      VpcId:
        Ref: Vpc
      SecurityGroupName:
        Fn::Sub: ${CommonName}-sg
      SecurityGroupIngress:
        - PortRange: 443/443
          SourceCidrIp: 0.0.0.0/0
          IpProtocol: tcp
        - PortRange: 80/80
          SourceCidrIp: 0.0.0.0/0
          IpProtocol: tcp
  EcsInstance1:
    Type: 'ALIYUN::ECS::InstanceGroup'
    Properties:
      VpcId:
        Ref: Vpc
      ZoneId:
        Ref: ZoneId1
      VSwitchId:
        Ref: VSwitch1
      SecurityGroupId:
        Ref: SecurityGroup
      ImageId: aliyun_3_9_x64_20G_alibase_20231219.vhd
      InstanceName:
        Fn::Sub: ${CommonName}-ecs-1
      InstanceType:
        Ref: InstanceType1
      SystemDiskCategory: cloud_essd
      MaxAmount: 1
      InternetMaxBandwidthOut: 0
      Password:
        Ref: InstancePassword
      UserData:
        Fn::Sub: |-
          #!/bin/bash
          yum -y install nginx-1.20.1
          instanceId=`curl http://100.100.100.200/latest/meta-data/instance-id`
          echo "This is instance1, the instance id is $instanceId" > /usr/share/nginx/html/index.html 
          systemctl start nginx 
          systemctl enable nginx
  EcsInstance2:
    Type: 'ALIYUN::ECS::InstanceGroup'
    Properties:
      VpcId:
        Ref: Vpc
      ZoneId:
        Ref: ZoneId2
      VSwitchId:
        Ref: VSwitch2
      SecurityGroupId:
        Ref: SecurityGroup
      ImageId: aliyun_3_9_x64_20G_alibase_20231219.vhd
      InstanceName:
        Fn::Sub: ${CommonName}-ecs-2
      InstanceType:
        Ref: InstanceType2
      SystemDiskCategory: cloud_essd
      MaxAmount: 1
      InternetMaxBandwidthOut: 0
      Password:
        Ref: InstancePassword
      UserData:
        Fn::Sub: |-
          #!/bin/bash
          yum -y install nginx-1.20.1
          instanceId=`curl http://100.100.100.200/latest/meta-data/instance-id`
          echo "This is instance2, the instance id is $instanceId" > /usr/share/nginx/html/index.html 
          systemctl start nginx 
          systemctl enable nginx
  Alb:
    Type: 'ALIYUN::ALB::LoadBalancer'
    Properties:
      LoadBalancerName:
        Fn::Sub: ${CommonName}-alb
      LoadBalancerEdition: Basic
      VpcId:
        Ref: Vpc
      LoadBalancerBillingConfig:
        PayType: PostPay
      AddressType: Internet
      ZoneMappings:
        - ZoneId:
            Ref: ZoneId1
          VSwitchId:
            Ref: VSwitch1
        - ZoneId:
            Ref: ZoneId2
          VSwitchId:
            Ref: VSwitch2
  AlbServerGroup:
    Type: 'ALIYUN::ALB::ServerGroup'
    Properties:
      VpcId:
        Ref: Vpc
      ServerGroupType: Instance
      ServerGroupName:
        Fn::Sub: ${CommonName}-server-group
      HealthCheckConfig:
        HealthCheckConnectPort: 80
        HealthCheckCodes:
          - http_2xx
          - http_3xx
        HealthCheckProtocol: HTTP
        HealthCheckEnabled: true
        HealthCheckPath: /
      StickySessionConfig:
        StickySessionEnabled: false
  AlbBackendServerAttachment:
    Type: 'ALIYUN::ALB::BackendServerAttachment'
    Properties:
      ServerGroupId:
        Ref: AlbServerGroup
      Servers:
        - ServerType: Ecs
          ServerId:
            Ref: EcsInstance1
          Port: 80
        - ServerType: Ecs
          ServerId:
            Ref: EcsInstance2
          Port: 80
Metadata:
  'ALIYUN::ROS::Interface':
    ParameterGroups:
      - Parameters:
          - ZoneId1
          - ZoneId2
          - InstanceType1
          - InstanceType2
          - InstancePassword
    Hidden:
      - CommonName

JSON

{
  "ROSTemplateFormatVersion": "2015-09-01",
  "Description": {
    "zh-cn": "创建双可用区ALB负载均衡。",
    "en": "Create a dual-Availability-Zone ALB."
  },
  "Parameters": {
    "CommonName": {
      "Type": "String",
      "Default": "elastic-app"
    },
    "ZoneId1": {
      "Type": "String",
      "AssociationProperty": "ALIYUN::ECS::Instance::ZoneId",
      "AssociationPropertyMetadata": {
        "ExclusiveTo": [
          "ZoneId2"
        ]
      },
      "Label": {
        "en": "Availability Zone",
        "zh-cn": "可用区1"
      }
    },
    "ZoneId2": {
      "Type": "String",
      "AssociationProperty": "ALIYUN::ECS::Instance::ZoneId",
      "AssociationPropertyMetadata": {
        "ExclusiveTo": [
          "ZoneId1"
        ]
      },
      "Label": {
        "en": "Availability Zone",
        "zh-cn": "可用区2"
      }
    },
    "InstanceType1": {
      "Type": "String",
      "AssociationProperty": "ALIYUN::ECS::Instance::InstanceType",
      "AssociationPropertyMetadata": {
        "InstanceChargeType": "PostPaid",
        "SystemDiskCategory": "cloud_essd",
        "ZoneId": "${ZoneId}"
      },
      "Label": {
        "en": "Instance Type",
        "zh-cn": "实例规格1"
      }
    },
    "InstanceType2": {
      "Type": "String",
      "AssociationProperty": "ALIYUN::ECS::Instance::InstanceType",
      "AssociationPropertyMetadata": {
        "InstanceChargeType": "PostPaid",
        "SystemDiskCategory": "cloud_essd",
        "ZoneId": "${ZoneId}"
      },
      "Label": {
        "en": "Instance Type",
        "zh-cn": "实例规格2"
      }
    },
    "InstancePassword": {
      "NoEcho": true,
      "Type": "String",
      "Description": {
        "en": "Server login password, Length 8-30, must contain three(Capital letters, lowercase letters, numbers, ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/ Special symbol in)",
        "zh-cn": "服务器登录密码,长度8-30，必须包含三项（大写字母、小写字母、数字、 ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/ 中的特殊符号）"
      },
      "Label": {
        "en": "Instance Password",
        "zh-cn": "实例密码"
      },
      "ConstraintDescription": {
        "en": "Length 8-30, must contain three(Capital letters, lowercase letters, numbers, ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/ Special symbol in)",
        "zh-cn": "长度8-30，必须包含三项（大写字母、小写字母、数字、 ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/ 中的特殊符号）"
      },
      "AssociationProperty": "ALIYUN::ECS::Instance::Password",
      "Default": null
    }
  },
  "Resources": {
    "Vpc": {
      "Type": "ALIYUN::ECS::VPC",
      "Properties": {
        "CidrBlock": "192.168.0.0/16",
        "VpcName": {
          "Fn::Sub": "${CommonName}-vpc"
        }
      }
    },
    "VSwitch1": {
      "Type": "ALIYUN::ECS::VSwitch",
      "Properties": {
        "VpcId": {
          "Ref": "Vpc"
        },
        "CidrBlock": "192.168.1.0/24",
        "ZoneId": {
          "Ref": "ZoneId1"
        },
        "VSwitchName": {
          "Fn::Sub": "${CommonName}-vsw"
        }
      }
    },
    "VSwitch2": {
      "Type": "ALIYUN::ECS::VSwitch",
      "Properties": {
        "VpcId": {
          "Ref": "Vpc"
        },
        "CidrBlock": "192.168.2.0/24",
        "ZoneId": {
          "Ref": "ZoneId2"
        },
        "VSwitchName": {
          "Fn::Sub": "${CommonName}-vsw"
        }
      }
    },
    "SecurityGroup": {
      "Type": "ALIYUN::ECS::SecurityGroup",
      "Properties": {
        "VpcId": {
          "Ref": "Vpc"
        },
        "SecurityGroupName": {
          "Fn::Sub": "${CommonName}-sg"
        },
        "SecurityGroupIngress": [
          {
            "PortRange": "443/443",
            "SourceCidrIp": "0.0.0.0/0",
            "IpProtocol": "tcp"
          },
          {
            "PortRange": "80/80",
            "SourceCidrIp": "0.0.0.0/0",
            "IpProtocol": "tcp"
          }
        ]
      }
    },
    "EcsInstance1": {
      "Type": "ALIYUN::ECS::InstanceGroup",
      "Properties": {
        "VpcId": {
          "Ref": "Vpc"
        },
        "ZoneId": {
          "Ref": "ZoneId1"
        },
        "VSwitchId": {
          "Ref": "VSwitch1"
        },
        "SecurityGroupId": {
          "Ref": "SecurityGroup"
        },
        "ImageId": "aliyun_3_9_x64_20G_alibase_20231219.vhd",
        "InstanceName": {
          "Fn::Sub": "${CommonName}-ecs-1"
        },
        "InstanceType": {
          "Ref": "InstanceType1"
        },
        "SystemDiskCategory": "cloud_essd",
        "MaxAmount": 1,
        "InternetMaxBandwidthOut": 0,
        "Password": {
          "Ref": "InstancePassword"
        },
        "UserData": {
          "Fn::Sub": "#!/bin/bash\nyum -y install nginx-1.20.1\ninstanceId=`curl http://100.100.100.200/latest/meta-data/instance-id`\necho \"This is instance1, the instance id is $instanceId\" > /usr/share/nginx/html/index.html \nsystemctl start nginx \nsystemctl enable nginx"
        }
      }
    },
    "EcsInstance2": {
      "Type": "ALIYUN::ECS::InstanceGroup",
      "Properties": {
        "VpcId": {
          "Ref": "Vpc"
        },
        "ZoneId": {
          "Ref": "ZoneId2"
        },
        "VSwitchId": {
          "Ref": "VSwitch2"
        },
        "SecurityGroupId": {
          "Ref": "SecurityGroup"
        },
        "ImageId": "aliyun_3_9_x64_20G_alibase_20231219.vhd",
        "InstanceName": {
          "Fn::Sub": "${CommonName}-ecs-2"
        },
        "InstanceType": {
          "Ref": "InstanceType2"
        },
        "SystemDiskCategory": "cloud_essd",
        "MaxAmount": 1,
        "InternetMaxBandwidthOut": 0,
        "Password": {
          "Ref": "InstancePassword"
        },
        "UserData": {
          "Fn::Sub": "#!/bin/bash\nyum -y install nginx-1.20.1\ninstanceId=`curl http://100.100.100.200/latest/meta-data/instance-id`\necho \"This is instance2, the instance id is $instanceId\" > /usr/share/nginx/html/index.html \nsystemctl start nginx \nsystemctl enable nginx"
        }
      }
    },
    "Alb": {
      "Type": "ALIYUN::ALB::LoadBalancer",
      "Properties": {
        "LoadBalancerName": {
          "Fn::Sub": "${CommonName}-alb"
        },
        "LoadBalancerEdition": "Basic",
        "VpcId": {
          "Ref": "Vpc"
        },
        "LoadBalancerBillingConfig": {
          "PayType": "PostPay"
        },
        "AddressType": "Internet",
        "ZoneMappings": [
          {
            "ZoneId": {
              "Ref": "ZoneId1"
            },
            "VSwitchId": {
              "Ref": "VSwitch1"
            }
          },
          {
            "ZoneId": {
              "Ref": "ZoneId2"
            },
            "VSwitchId": {
              "Ref": "VSwitch2"
            }
          }
        ]
      }
    },
    "AlbServerGroup": {
      "Type": "ALIYUN::ALB::ServerGroup",
      "Properties": {
        "VpcId": {
          "Ref": "Vpc"
        },
        "ServerGroupType": "Instance",
        "ServerGroupName": {
          "Fn::Sub": "${CommonName}-server-group"
        },
        "HealthCheckConfig": {
          "HealthCheckConnectPort": 80,
          "HealthCheckCodes": [
            "http_2xx",
            "http_3xx"
          ],
          "HealthCheckProtocol": "HTTP",
          "HealthCheckEnabled": true,
          "HealthCheckPath": "/"
        },
        "StickySessionConfig": {
          "StickySessionEnabled": false
        }
      }
    },
    "AlbBackendServerAttachment": {
      "Type": "ALIYUN::ALB::BackendServerAttachment",
      "Properties": {
        "ServerGroupId": {
          "Ref": "AlbServerGroup"
        },
        "Servers": [
          {
            "ServerType": "Ecs",
            "ServerId": {
              "Ref": "EcsInstance1"
            },
            "Port": 80
          },
          {
            "ServerType": "Ecs",
            "ServerId": {
              "Ref": "EcsInstance2"
            },
            "Port": 80
          }
        ]
      }
    }
  },
  "Metadata": {
    "ALIYUN::ROS::Interface": {
      "ParameterGroups": [
        {
          "Parameters": [
            "ZoneId1",
            "ZoneId2",
            "InstanceType1",
            "InstanceType2",
            "InstancePassword"
          ]
        }
      ],
      "Hidden": [
        "CommonName"
      ]
    }
  }
}

场景 3 ：搭建高可用的 nginx 网站。

YAML

ROSTemplateFormatVersion: '2015-09-01'
Description:
  zh-cn: 创建双可用区高可用NGINX网站，含VPC、ECS实例、ALB负载均衡、安全组及自动部署配置。
  en: Establish a dual-Availability Zone high-availability NGINX website, encompassing
    a Virtual Private Cloud (VPC), Elastic Cloud Server (ECS) instances, an Application
    Load Balancer (ALB), Security Groups, and automated deployment configurations.
Parameters:
  CommonName:
    Type: String
    Default: elastic-app
  ZoneId1:
    Type: String
    AssociationProperty: 'ALIYUN::ECS::Instance::ZoneId'
    AssociationPropertyMetadata:
      AutoSelectFirst: true
      ExclusiveTo:
        - ZoneId2
    Label:
      en: Availability Zone
      zh-cn: 可用区1
  ZoneId2:
    Type: String
    AssociationProperty: 'ALIYUN::ECS::Instance::ZoneId'
    AssociationPropertyMetadata:
      AutoSelectFirst: true
      ExclusiveTo:
        - ZoneId1
    Label:
      en: Availability Zone
      zh-cn: 可用区2
  InstanceType1:
    Type: String
    AssociationProperty: 'ALIYUN::ECS::Instance::InstanceType'
    AssociationPropertyMetadata:
      SpotStrategy: SpotAsPriceGo
      InstanceChargeType: PostPaid
      SystemDiskCategory: cloud_essd
      ZoneId: ${ZoneId}
    Label:
      en: Instance Type
      zh-cn: 实例规格1
    Description:
      zh-cn: 本方案会创建一个抢占式实例，并且自动部署nginx服务。
      en: >-
        This solution will create a spot instance and automatically deploy a 
        nginx service.
    Default: null
  InstanceType2:
    Type: String
    AssociationProperty: 'ALIYUN::ECS::Instance::InstanceType'
    AssociationPropertyMetadata:
      SpotStrategy: SpotAsPriceGo
      InstanceChargeType: PostPaid
      SystemDiskCategory: cloud_essd
      ZoneId: ${ZoneId}
    Label:
      en: Instance Type
      zh-cn: 实例规格2
    Description:
      zh-cn: 本方案会创建一个抢占式实例，并且自动部署nginx服务。
      en: >-
        This solution will create a spot instance and automatically deploy a 
        nginx service.
    Default: null
  InstancePassword:
    NoEcho: true
    Type: String
    Description:
      en: >-
        Server login password, Length 8-30, must contain three(Capital letters,
        lowercase letters, numbers, ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/ Special
        symbol in)
      zh-cn: >-
        服务器登录密码,长度8-30，必须包含三项（大写字母、小写字母、数字、 ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/
        中的特殊符号）
    Label:
      en: Instance Password
      zh-cn: 实例密码
    ConstraintDescription:
      en: >-
        Length 8-30, must contain three(Capital letters, lowercase letters,
        numbers, ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/ Special symbol in)
      zh-cn: '长度8-30，必须包含三项（大写字母、小写字母、数字、 ()`~!@#$%^&*_-+=|{}[]:;''<>,.?/ 中的特殊符号）'
    AssociationProperty: 'ALIYUN::ECS::Instance::Password'
    Default: null
Resources:
  Vpc:
    Type: 'ALIYUN::ECS::VPC'
    Properties:
      CidrBlock: 192.168.0.0/16
      VpcName:
        Fn::Sub: ${CommonName}-vpc
  VSwitch1:
    Type: 'ALIYUN::ECS::VSwitch'
    Properties:
      VpcId:
        Ref: Vpc
      CidrBlock: 192.168.1.0/24
      ZoneId:
        Ref: ZoneId1
      VSwitchName:
        Fn::Sub: ${CommonName}-vsw
  VSwitch2:
    Type: 'ALIYUN::ECS::VSwitch'
    Properties:
      VpcId:
        Ref: Vpc
      CidrBlock: 192.168.2.0/24
      ZoneId:
        Ref: ZoneId2
      VSwitchName:
        Fn::Sub: ${CommonName}-vsw
  SecurityGroup:
    Type: 'ALIYUN::ECS::SecurityGroup'
    Properties:
      VpcId:
        Ref: Vpc
      SecurityGroupName:
        Fn::Sub: ${CommonName}-sg
      SecurityGroupIngress:
        - PortRange: 443/443
          SourceCidrIp: 0.0.0.0/0
          IpProtocol: tcp
        - PortRange: 80/80
          SourceCidrIp: 0.0.0.0/0
          IpProtocol: tcp
  EcsInstance1:
    Type: 'ALIYUN::ECS::InstanceGroup'
    Properties:
      VpcId:
        Ref: Vpc
      ZoneId:
        Ref: ZoneId1
      VSwitchId:
        Ref: VSwitch1
      SecurityGroupId:
        Ref: SecurityGroup
      ImageId: aliyun_3_9_x64_20G_alibase_
      InstanceName:
        Fn::Sub: ${CommonName}-ecs-1
      InstanceType:
        Ref: InstanceType1
      SystemDiskCategory: cloud_essd
      MaxAmount: 1
      InternetMaxBandwidthOut: 0
      SpotStrategy: SpotAsPriceGo
      Password:
        Ref: InstancePassword
      UserData:
        Fn::Sub: |-
          #!/bin/bash
          yum -y install nginx-1.20.1
          instanceId=`curl http://100.100.100.200/latest/meta-data/instance-id`
          echo "Welcome to Nginx. Current instance is $instanceId" > /usr/share/nginx/html/index.html 
          systemctl start nginx 
          systemctl enable nginx
  EcsInstance2:
    Type: 'ALIYUN::ECS::InstanceGroup'
    Properties:
      VpcId:
        Ref: Vpc
      ZoneId:
        Ref: ZoneId2
      VSwitchId:
        Ref: VSwitch2
      SecurityGroupId:
        Ref: SecurityGroup
      ImageId: aliyun_3_9_x64_20G_alibase_
      InstanceName:
        Fn::Sub: ${CommonName}-ecs-2
      InstanceType:
        Ref: InstanceType2
      SystemDiskCategory: cloud_essd
      MaxAmount: 1
      InternetMaxBandwidthOut: 0
      SpotStrategy: SpotAsPriceGo
      Password:
        Ref: InstancePassword
      UserData:
        Fn::Sub: |-
          #!/bin/bash
          yum -y install nginx-1.20.1
          instanceId=`curl http://100.100.100.200/latest/meta-data/instance-id`
          echo "Welcome to Nginx. Current instance is $instanceId" > /usr/share/nginx/html/index.html 
          systemctl start nginx 
          systemctl enable nginx
  Alb:
    Type: 'ALIYUN::ALB::LoadBalancer'
    Properties:
      LoadBalancerName:
        Fn::Sub: ${CommonName}-alb
      LoadBalancerEdition: Basic
      VpcId:
        Ref: Vpc
      LoadBalancerBillingConfig:
        PayType: PostPay
      AddressType: Internet
      ZoneMappings:
        - ZoneId:
            Ref: ZoneId1
          VSwitchId:
            Ref: VSwitch1
        - ZoneId:
            Ref: ZoneId2
          VSwitchId:
            Ref: VSwitch2
  AlbServerGroup:
    Type: 'ALIYUN::ALB::ServerGroup'
    Properties:
      VpcId:
        Ref: Vpc
      ServerGroupType: Instance
      ServerGroupName:
        Fn::Sub: ${CommonName}-server-group
      HealthCheckConfig:
        HealthCheckConnectPort: 80
        HealthCheckCodes:
          - http_2xx
          - http_3xx
        HealthCheckProtocol: HTTP
        HealthCheckEnabled: true
        HealthCheckPath: /
      StickySessionConfig:
        StickySessionEnabled: false
  AlbBackendServerAttachment:
    Type: 'ALIYUN::ALB::BackendServerAttachment'
    Properties:
      ServerGroupId:
        Ref: AlbServerGroup
      Servers:
        - ServerType: Ecs
          ServerId:
            Ref: EcsInstance1
          Port: 80
        - ServerType: Ecs
          ServerId:
            Ref: EcsInstance2
          Port: 80
  AlbListener:
    Type: 'ALIYUN::ALB::Listener'
    Properties:
      ListenerPort: 80
      DefaultActions:
        - Type: ForwardGroup
          ForwardGroupConfig:
            ServerGroupTuples:
              - ServerGroupId:
                  Ref: AlbServerGroup
      LoadBalancerId:
        Ref: Alb
      ListenerProtocol: HTTP
Outputs:
  WebUrl:
    Description:
      zh-cn: Web 访问地址。
      en: The Addresses of Web.
    Value:
      'Fn::Sub': 'http://${Alb.DNSName}'
Metadata:
  'ALIYUN::ROS::Interface':
    ParameterGroups:
      - Parameters:
          - ZoneId1
          - InstanceType1
          - ZoneId2
          - InstanceType2
          - InstancePassword
    TemplateTags:
      - acs:example:弹性计算:搭建高可用的 nginx 网站
    Hidden:
      - CommonName

JSON

{
  "ROSTemplateFormatVersion": "2015-09-01",
  "Description": {
    "zh-cn": "创建双可用区高可用NGINX网站，含VPC、ECS实例、ALB负载均衡、安全组及自动部署配置。",
    "en": "Establish a dual-Availability Zone high-availability NGINX website, encompassing a Virtual Private Cloud (VPC), Elastic Cloud Server (ECS) instances, an Application Load Balancer (ALB), Security Groups, and automated deployment configurations."
  },
  "Parameters": {
    "CommonName": {
      "Type": "String",
      "Default": "elastic-app"
    },
    "ZoneId1": {
      "Type": "String",
      "AssociationProperty": "ALIYUN::ECS::Instance::ZoneId",
      "AssociationPropertyMetadata": {
        "AutoSelectFirst": true,
        "ExclusiveTo": [
          "ZoneId2"
        ]
      },
      "Label": {
        "en": "Availability Zone",
        "zh-cn": "可用区1"
      }
    },
    "ZoneId2": {
      "Type": "String",
      "AssociationProperty": "ALIYUN::ECS::Instance::ZoneId",
      "AssociationPropertyMetadata": {
        "AutoSelectFirst": true,
        "ExclusiveTo": [
          "ZoneId1"
        ]
      },
      "Label": {
        "en": "Availability Zone",
        "zh-cn": "可用区2"
      }
    },
    "InstanceType1": {
      "Type": "String",
      "AssociationProperty": "ALIYUN::ECS::Instance::InstanceType",
      "AssociationPropertyMetadata": {
        "SpotStrategy": "SpotAsPriceGo",
        "InstanceChargeType": "PostPaid",
        "SystemDiskCategory": "cloud_essd",
        "ZoneId": "${ZoneId}"
      },
      "Label": {
        "en": "Instance Type",
        "zh-cn": "实例规格1"
      },
      "Description": {
        "zh-cn": "本方案会创建一个抢占式实例，并且自动部署nginx服务。",
        "en": "This solution will create a spot instance and automatically deploy a  nginx service."
      },
      "Default": null
    },
    "InstanceType2": {
      "Type": "String",
      "AssociationProperty": "ALIYUN::ECS::Instance::InstanceType",
      "AssociationPropertyMetadata": {
        "SpotStrategy": "SpotAsPriceGo",
        "InstanceChargeType": "PostPaid",
        "SystemDiskCategory": "cloud_essd",
        "ZoneId": "${ZoneId}"
      },
      "Label": {
        "en": "Instance Type",
        "zh-cn": "实例规格2"
      },
      "Description": {
        "zh-cn": "本方案会创建一个抢占式实例，并且自动部署nginx服务。",
        "en": "This solution will create a spot instance and automatically deploy a  nginx service."
      },
      "Default": null
    },
    "InstancePassword": {
      "NoEcho": true,
      "Type": "String",
      "Description": {
        "en": "Server login password, Length 8-30, must contain three(Capital letters, lowercase letters, numbers, ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/ Special symbol in)",
        "zh-cn": "服务器登录密码,长度8-30，必须包含三项（大写字母、小写字母、数字、 ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/ 中的特殊符号）"
      },
      "Label": {
        "en": "Instance Password",
        "zh-cn": "实例密码"
      },
      "ConstraintDescription": {
        "en": "Length 8-30, must contain three(Capital letters, lowercase letters, numbers, ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/ Special symbol in)",
        "zh-cn": "长度8-30，必须包含三项（大写字母、小写字母、数字、 ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/ 中的特殊符号）"
      },
      "AssociationProperty": "ALIYUN::ECS::Instance::Password",
      "Default": null
    }
  },
  "Resources": {
    "Vpc": {
      "Type": "ALIYUN::ECS::VPC",
      "Properties": {
        "CidrBlock": "192.168.0.0/16",
        "VpcName": {
          "Fn::Sub": "${CommonName}-vpc"
        }
      }
    },
    "VSwitch1": {
      "Type": "ALIYUN::ECS::VSwitch",
      "Properties": {
        "VpcId": {
          "Ref": "Vpc"
        },
        "CidrBlock": "192.168.1.0/24",
        "ZoneId": {
          "Ref": "ZoneId1"
        },
        "VSwitchName": {
          "Fn::Sub": "${CommonName}-vsw"
        }
      }
    },
    "VSwitch2": {
      "Type": "ALIYUN::ECS::VSwitch",
      "Properties": {
        "VpcId": {
          "Ref": "Vpc"
        },
        "CidrBlock": "192.168.2.0/24",
        "ZoneId": {
          "Ref": "ZoneId2"
        },
        "VSwitchName": {
          "Fn::Sub": "${CommonName}-vsw"
        }
      }
    },
    "SecurityGroup": {
      "Type": "ALIYUN::ECS::SecurityGroup",
      "Properties": {
        "VpcId": {
          "Ref": "Vpc"
        },
        "SecurityGroupName": {
          "Fn::Sub": "${CommonName}-sg"
        },
        "SecurityGroupIngress": [
          {
            "PortRange": "443/443",
            "SourceCidrIp": "0.0.0.0/0",
            "IpProtocol": "tcp"
          },
          {
            "PortRange": "80/80",
            "SourceCidrIp": "0.0.0.0/0",
            "IpProtocol": "tcp"
          }
        ]
      }
    },
    "EcsInstance1": {
      "Type": "ALIYUN::ECS::InstanceGroup",
      "Properties": {
        "VpcId": {
          "Ref": "Vpc"
        },
        "ZoneId": {
          "Ref": "ZoneId1"
        },
        "VSwitchId": {
          "Ref": "VSwitch1"
        },
        "SecurityGroupId": {
          "Ref": "SecurityGroup"
        },
        "ImageId": "aliyun_3_9_x64_20G_alibase_",
        "InstanceName": {
          "Fn::Sub": "${CommonName}-ecs-1"
        },
        "InstanceType": {
          "Ref": "InstanceType1"
        },
        "SystemDiskCategory": "cloud_essd",
        "MaxAmount": 1,
        "InternetMaxBandwidthOut": 0,
        "SpotStrategy": "SpotAsPriceGo",
        "Password": {
          "Ref": "InstancePassword"
        },
        "UserData": {
          "Fn::Sub": "#!/bin/bash\nyum -y install nginx-1.20.1\ninstanceId=`curl http://100.100.100.200/latest/meta-data/instance-id`\necho \"Welcome to Nginx. Current instance is $instanceId\" > /usr/share/nginx/html/index.html \nsystemctl start nginx \nsystemctl enable nginx"
        }
      }
    },
    "EcsInstance2": {
      "Type": "ALIYUN::ECS::InstanceGroup",
      "Properties": {
        "VpcId": {
          "Ref": "Vpc"
        },
        "ZoneId": {
          "Ref": "ZoneId2"
        },
        "VSwitchId": {
          "Ref": "VSwitch2"
        },
        "SecurityGroupId": {
          "Ref": "SecurityGroup"
        },
        "ImageId": "aliyun_3_9_x64_20G_alibase_",
        "InstanceName": {
          "Fn::Sub": "${CommonName}-ecs-2"
        },
        "InstanceType": {
          "Ref": "InstanceType2"
        },
        "SystemDiskCategory": "cloud_essd",
        "MaxAmount": 1,
        "InternetMaxBandwidthOut": 0,
        "SpotStrategy": "SpotAsPriceGo",
        "Password": {
          "Ref": "InstancePassword"
        },
        "UserData": {
          "Fn::Sub": "#!/bin/bash\nyum -y install nginx-1.20.1\ninstanceId=`curl http://100.100.100.200/latest/meta-data/instance-id`\necho \"Welcome to Nginx. Current instance is $instanceId\" > /usr/share/nginx/html/index.html \nsystemctl start nginx \nsystemctl enable nginx"
        }
      }
    },
    "Alb": {
      "Type": "ALIYUN::ALB::LoadBalancer",
      "Properties": {
        "LoadBalancerName": {
          "Fn::Sub": "${CommonName}-alb"
        },
        "LoadBalancerEdition": "Basic",
        "VpcId": {
          "Ref": "Vpc"
        },
        "LoadBalancerBillingConfig": {
          "PayType": "PostPay"
        },
        "AddressType": "Internet",
        "ZoneMappings": [
          {
            "ZoneId": {
              "Ref": "ZoneId1"
            },
            "VSwitchId": {
              "Ref": "VSwitch1"
            }
          },
          {
            "ZoneId": {
              "Ref": "ZoneId2"
            },
            "VSwitchId": {
              "Ref": "VSwitch2"
            }
          }
        ]
      }
    },
    "AlbServerGroup": {
      "Type": "ALIYUN::ALB::ServerGroup",
      "Properties": {
        "VpcId": {
          "Ref": "Vpc"
        },
        "ServerGroupType": "Instance",
        "ServerGroupName": {
          "Fn::Sub": "${CommonName}-server-group"
        },
        "HealthCheckConfig": {
          "HealthCheckConnectPort": 80,
          "HealthCheckCodes": [
            "http_2xx",
            "http_3xx"
          ],
          "HealthCheckProtocol": "HTTP",
          "HealthCheckEnabled": true,
          "HealthCheckPath": "/"
        },
        "StickySessionConfig": {
          "StickySessionEnabled": false
        }
      }
    },
    "AlbBackendServerAttachment": {
      "Type": "ALIYUN::ALB::BackendServerAttachment",
      "Properties": {
        "ServerGroupId": {
          "Ref": "AlbServerGroup"
        },
        "Servers": [
          {
            "ServerType": "Ecs",
            "ServerId": {
              "Ref": "EcsInstance1"
            },
            "Port": 80
          },
          {
            "ServerType": "Ecs",
            "ServerId": {
              "Ref": "EcsInstance2"
            },
            "Port": 80
          }
        ]
      }
    },
    "AlbListener": {
      "Type": "ALIYUN::ALB::Listener",
      "Properties": {
        "ListenerPort": 80,
        "DefaultActions": [
          {
            "Type": "ForwardGroup",
            "ForwardGroupConfig": {
              "ServerGroupTuples": [
                {
                  "ServerGroupId": {
                    "Ref": "AlbServerGroup"
                  }
                }
              ]
            }
          }
        ],
        "LoadBalancerId": {
          "Ref": "Alb"
        },
        "ListenerProtocol": "HTTP"
      }
    }
  },
  "Outputs": {
    "WebUrl": {
      "Description": {
        "zh-cn": "Web 访问地址。",
        "en": "The Addresses of Web."
      },
      "Value": {
        "Fn::Sub": "http://${Alb.DNSName}"
      }
    }
  },
  "Metadata": {
    "ALIYUN::ROS::Interface": {
      "ParameterGroups": [
        {
          "Parameters": [
            "ZoneId1",
            "InstanceType1",
            "ZoneId2",
            "InstanceType2",
            "InstancePassword"
          ]
        }
      ],
      "TemplateTags": [
        "acs:example:弹性计算:搭建高可用的 nginx 网站"
      ],
      "Hidden": [
        "CommonName"
      ]
    }
  }
}