serverless-high-availability-architecture.yml

ROSTemplateFormatVersion: '2015-09-01'
Description:
  zh-cn: 创建Serverless高可用架构，包括VPC、交换机、安全组、PolarDB集群、ALB、SAE应用，实现跨可用区部署与自动扩展。
  en: Establish a Serverless high-availability architecture comprising Virtual Private
    Cloud (VPC), switches, security groups, PolarDB clusters, Application Load Balancers
    (ALB), and Serverless App Engine (SAE) applications, facilitating cross-zone deployment
    and automatic scaling.
Parameters:
  CommonName:
    Type: String
    Default: serverless
  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
  DBUserName:
    Type: String
    ConstraintDescription:
      en: >-
        Consist of 2 to 32 characters of lowercase letters, underline. 
        Must begin with a letter and be end with an alphanumeric character
      zh-cn: >-
        由 2 到 32 个小写字母组成，支持小写字母、数字和下划线，以小写字母开头。
    Label:
      zh-cn: MySQL数据库账号
      en: MySQL DB Username
    Default: applets
    AllowedPattern: '^[a-z][a-z0-9_]{0,31}$'
  DBPassword:
    NoEcho: true
    Type: String
    Description:
      en: >-
        MySQL user password, Length 8-30, must contain three(Capital letters,
        lowercase letters, numbers, ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/ Special
        symbol in)
      zh-cn: >-
        数据库账号密码，长度8-30，必须包含三项（大写字母、小写字母、数字、 ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/
        中的特殊符号）
    Label:
      en: MySQL Instance Password
      zh-cn: MySQL数据库密码
    ConstraintDescription:
      en: >-
        Length 8-30, must contain three(Capital letters, lowercase letters,
        numbers, ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/ 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::RDS::Instance::AccountPassword'
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}-web-01
  VSwitch2:
    Type: 'ALIYUN::ECS::VSwitch'
    Properties:
      VpcId:
        Ref: Vpc
      CidrBlock: 192.168.2.0/24
      ZoneId:
        Ref: ZoneId2
      VSwitchName:
        Fn::Sub: ${CommonName}-web-02
  VSwitch3:
    Type: 'ALIYUN::ECS::VSwitch'
    Properties:
      VpcId:
        Ref: Vpc
      CidrBlock: 192.168.3.0/24
      ZoneId:
        Ref: ZoneId1
      VSwitchName:
        Fn::Sub: ${CommonName}-db-01
  VSwitch4:
    Type: 'ALIYUN::ECS::VSwitch'
    Properties:
      VpcId:
        Ref: Vpc
      CidrBlock: 192.168.4.0/24
      ZoneId:
        Ref: ZoneId1
      VSwitchName:
        Fn::Sub: ${CommonName}-pub-01
  VSwitch5:
    Type: 'ALIYUN::ECS::VSwitch'
    Properties:
      VpcId:
        Ref: Vpc
      CidrBlock: 192.168.5.0/24
      ZoneId:
        Ref: ZoneId2
      VSwitchName:
        Fn::Sub: ${CommonName}-pub-02
  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
        - PortRange: 3306/3306
          SourceCidrIp: 0.0.0.0/0
          IpProtocol: tcp
  PolarDBCluster:
    Type: 'ALIYUN::POLARDB::DBCluster'
    Properties:
      VpcId:
        Ref: Vpc
      DBType: MySQL
      ClusterNetworkType: VPC
      ZoneId:
        Ref: ZoneId1
      SecurityGroupIds:
        - Ref: SecurityGroup
      DBVersion: '8.0'
      DBMinorVersion: '8.0.2'
      DBNodeClass: polar.mysql.sl.small
      VSwitchId:
        Ref: VSwitch3
      CreationCategory: Normal
      ScaleRoNumMin: 1
      ScaleRoNumMax: 4
      ScaleMin: 1
      ScaleMax: 16
      ProxyType: GENERAL
      PayType: Postpaid
      ServerlessType: AgileServerless
  PolarDBDatabase:
    Type: 'ALIYUN::POLARDB::DBInstance'
    Properties:
      DBClusterId:
        Ref: PolarDBCluster
      CharacterSetName: utf8mb4
      DBName: applets
      DBDescription: serverless demo
  PolarDBAccount:
    Type: 'ALIYUN::POLARDB::Account'
    Properties:
      DBClusterId:
        Ref: PolarDBCluster
      AccountName:
        Ref: DBUserName
      AccountType: Normal
      AccountPassword:
        Ref: DBPassword
      AccountPrivilege: ReadWrite
      DBName:
        Ref: PolarDBDatabase
  ALB:
    Type: 'ALIYUN::ALB::LoadBalancer'
    Properties:
      LoadBalancerName:
        Fn::Sub: ${CommonName}-alb
      LoadBalancerEdition: Basic
      VpcId:
        Ref: Vpc
      LoadBalancerBillingConfig:
        PayType: PostPay
      AddressType: Internet
      AddressAllocatedMode: Fixed
      ZoneMappings:
        - ZoneId:
            Ref: ZoneId1
          VSwitchId:
            Ref: VSwitch1
        - ZoneId:
            Ref: ZoneId2
          VSwitchId:
            Ref: VSwitch2
  SaeNamespace:
    Type: 'ALIYUN::SAE::Namespace'
    Properties:
      NamespaceName: serverless-demo
      NamespaceId:
        Fn::Sub:
          - '${Region}:serverless${Suffix}'
          - Region:
              Ref: ALIYUN::Region
            Suffix:
              Fn::Jq:
                - First
                - .StackId[:5]
                - StackId:
                    Ref: ALIYUN::StackId
  SAE:
    Type: 'ALIYUN::SAE::Application'
    DependsOn: SaeNamespace
    Properties:
      AppName:
        Fn::Sub:
          - 'serverless-demo-${Suffix}'
          - Suffix:
              Fn::Jq:
                - First
                - .StackId[:5]
                - StackId:
                    Ref: ALIYUN::StackId
      AppDescription: serverless-demo
      VpcId:
        Ref: Vpc
      SecurityGroupId:
        Ref: SecurityGroup
      VSwitchId:
        Fn::Sub: '${VSwitch4},${VSwitch5}'
      Replicas: 2
      NamespaceId:
        Ref: SaeNamespace
      Cpu: 2000
      Memory: 4096
      PackageType: FatJar
      PackageVersion: '1718956564756'
      Jdk: Open JDK 8
      PackageUrl: https://help-static-aliyun-doc.aliyuncs.com/tech-solution/sae-demo-0.0.3.jar
      Timezone: Asia/Shanghai
      JarStartArgs: '$JAVA_HOME/bin/java $Options -jar $CATALINA_OPTS "$package_path" $args'
      JarStartOptions: >-
        -XX:+UseContainerSupport 
        -XX:InitialRAMPercentage=70.0 
        -XX:MaxRAMPercentage=70.0 
        -XX:+PrintGCDetails 
        -XX:+PrintGCDateStamps 
        -Xloggc:/home/admin/nas/gc-${POD_IP}-$(date '+%s').log 
        -XX:+HeapDumpOnOutOfMemoryError 
        -XX:HeapDumpPath=/home/admin/nas/dump-${POD_IP}-$(date '+%s').hprof
      Envs:
        Fn::Sub: >-
          [{"name":"APPLETS_MYSQL_ENDPOINT","value":"${PolarDBCluster.PrimaryConnectionString}"},
          {"name":"APPLETS_MYSQL_USER","value":"${PolarDBAccount}"},
          {"name":"APPLETS_MYSQL_PASSWORD","value":"${DBPassword}"},
          {"name":"APPLETS_MYSQL_DB_NAME","value":"applets"},
          {"name":"APP_MANUAL_DEPLOY","value":false}]
      Readiness: '{"exec":{"command":["sleep","6s"]},"initialDelaySeconds":15,"timeoutSeconds":12}'
      Liveness: '{"httpGet":{"path":"/","port":80,"scheme":"HTTP"},"initialDelaySeconds":10,"timeoutSeconds":10,"periodSeconds":10,"successThreshold":1,"failureThreshold":3}'
  WaitApp:
    Type: 'ALIYUN::ROS::Sleep'
    DependsOn: SAE
    Properties:
      CreateDuration: 180
  SaeIngress:
    Type: 'ALIYUN::SAE::Ingress'
    DependsOn: WaitApp
    Properties:
      NamespaceId:
        Ref: SaeNamespace
      Description: serverless-demo-router
      LoadBalanceType: alb
      SlbId:
        Ref: ALB
      ListenerProtocol: HTTP
      ListenerPort: 80
      Rules:
        - Domain: example.com
          Path: /
          AppId:
            Ref: SAE
          ContainerPort: 80
          BackendProtocol: http
      DefaultRule:
        AppId:
          Ref: SAE
        ContainerPort: 80
        BackendProtocol: http
Outputs:
  WebUrl:
    Description:
      zh-cn: Web 访问地址。
      en: Web Addresses
    Value:
      'Fn::Sub': 'http://${ALB.DNSName}'
Metadata:
  ALIYUN::ROS::Interface:
    ParameterGroups:
      - Parameters:
          - DBUserName
          - DBPassword
          - ZoneId1
          - ZoneId2
    TemplateTags:
      - acs:technical-solution:high-availability-architecture:Serverless高可用架构-tech_solu_129
      - acs:public_template:Solution:serverless-high-availability-architecture
    Hidden:
      - CommonName
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