alb-7-layer-load-balancing.yml

ROSTemplateFormatVersion: '2015-09-01'
Description:
  zh-cn: 创建ALB服务器组，附加ECS实例，配置监听器实现七层负载均衡，支持指定ECS实例与ALB实例ID，自动同步VPC设置。
  en: Create an Application Load Balancer (ALB) server group, attach Elastic Compute
    Service (ECS) instances, configure listeners to implement Layer-7 load balancing,
    facilitate the specification of ECS instances and ALB instance IDs, and automatically
    synchronize VPC configurations.
Parameters:
  LoadBalancerId:
    Type: String
    Label:
      en: ALB Instance ID
      zh-cn: ALB实例ID
    AssociationProperty: ALIYUN::ALB::LoadBalancer::LoadBalancerId
  EcsInstanceIds:
    Type: CommaDelimitedList
    Label:
      en: ECS Instance ID List
      zh-cn: ECS实例ID列表
    Description:
      en: The ECS instance where the application service has been deployed, <span
        style="background:#E7E9EB;"><b>the ECS instance and the ALB instance need
        to be under the same VPC</b></span>.
      zh-cn: 已部署应用服务的ECS实例，<span style="background:#E7E9EB;"><b>ECS实例和ALB实例需要在同一个VPC下</b></span>。
    AssociationProperty: ALIYUN::ECS::Instance::InstanceId
    MinLength: 2
    MaxLength: 2
Resources:
  DS_LoadBalancers:
    Type: DATASOURCE::ALB::LoadBalancers
    Properties:
      LoadBalancerIds:
      - Ref: LoadBalancerId
  ServerGroup:
    Type: ALIYUN::ALB::ServerGroup
    Properties:
      VpcId:
        Fn::Jq:
        - First
        - .[0].VpcId
        - Fn::GetAtt:
          - DS_LoadBalancers
          - LoadBalancers
      ServerGroupType: Instance
      Protocol: HTTP
      ServerGroupName: TrialTutorial
      Scheduler: Wrr
      HealthCheckConfig:
        HealthCheckEnabled: true
      StickySessionConfig:
        StickySessionEnabled: false
  BackendServerAttachment:
    Type: ALIYUN::ALB::BackendServerAttachment
    Properties:
      ServerGroupId:
        Ref: ServerGroup
      Servers:
      - ServerType: Ecs
        ServerId:
          Fn::Select:
          - 0
          - Ref: EcsInstanceIds
        Port: 80
        Weight: 100
      - ServerType: Ecs
        ServerId:
          Fn::Select:
          - 1
          - Ref: EcsInstanceIds
        Port: 80
        Weight: 100
  Listener:
    Type: ALIYUN::ALB::Listener
    Properties:
      DefaultActions:
      - Type: ForwardGroup
        ForwardGroupConfig:
          ServerGroupTuples:
          - ServerGroupId:
              Ref: ServerGroup
      LoadBalancerId:
        Ref: LoadBalancerId
      ListenerProtocol: HTTP
      ListenerPort: 80
Outputs:
  AlbDnsName:
    Description:
      en: DNS name of the ALB instance.
      zh-cn: ALB实例的DNS名称。
    Value:
      Fn::Jq:
      - First
      - .[0].DNSName
      - Fn::GetAtt:
        - DS_LoadBalancers
        - LoadBalancers
Metadata:
  ALIYUN::ROS::Interface:
    ParameterGroups:
    - Parameters:
      - LoadBalancerId
      - EcsInstanceIds
    TemplateTags:
    - acs:document:试用教程:实现IPv4服务的七层负载均衡