调用UpdateStack操作时发生错误ValidationError：无效的模板属性[WebAppGroup，WebAppLaunchConfig]

问题描述

对于WebAppLaunchConfig和WebAppGroup，我具有以下配置，不确定为什么会出现该错误。

escription: >
    High availability web app
Parameters:

    EnvironmentName:
        Description: An environment name that will be prefixed to resource names
        Type: String
Resources:
  LBSecGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: Allow http to our load balancer
      VpcId:
        Fn::ImportValue:
          !Sub "${EnvironmentName}-VPCID"
      SecurityGroupIngress:
      - IpProtocol: tcp
        FromPort: 80
        ToPort: 80
        CidrIp: 0.0.0.0/0
      SecurityGroupEgress:
      - IpProtocol: tcp
        FromPort: 80
        ToPort: 80
        CidrIp: 0.0.0.0/0

  WebServerSecGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: Allow http to our hosts and SSH from local only
      VpcId:
        Fn::ImportValue:
          !Sub "${EnvironmentName}-VPCID"
      SecurityGroupIngress:
      - IpProtocol: tcp
        FromPort: 80
        ToPort: 80
        CidrIp: 0.0.0.0/0
      - IpProtocol: tcp
        FromPort: 22
        ToPort: 22
        CidrIp: 0.0.0.0/0
      SecurityGroupEgress:
      - IpProtocol: tcp
        FromPort: 0
        ToPort: 65535
        CidrIp: 0.0.0.0/0

WebAppLaunchConfig:
    Type: AWS::AutoScaling::LaunchConfiguration
    Properties:
      UserData:
        Fn::Base64: !Sub |
          #!/bin/bash
          # Install docker
          apt-get update
          apt-get install apt-transport-https ca-certificates curl gnupg-agent software-properties-common
          curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
          add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
          apt-get update
          apt-get install -y docker-ce
          mkdir docker-test
          cd docker-test
          wget  https://udagram-dev-u.s3.ap-south-1.amazonaws.com/index.html.zip 
          apt-get install unzip
          unzip index.html.zip
          echo "FROM ubuntu:latest" >> Dockerfile
          echo "RUN apt-get update" >> Dockerfile
          echo "RUN apt-get install -y nodejs" >> Dockerfile
          echo "RUN apt-get install -y npm" >> Dockerfile
          echo "RUN npm install -g http-server" >> Dockerfile
          echo "workdir /usr/apps/test-docker/" >> Dockerfile
          echo "copY index.html /usr/apps/test-docker/" >> Dockerfile
          echo 'CMD ["http-server","-s"]' >> Dockerfile
          docker build -t "test:test-docker" .
          usermod -aG docker ubuntu
          docker run -d -p 8080:8080 "test:test-docker"
      ImageId: ami-005bdb005fb00e791
      SecurityGroups:
      - Ref: WebServerSecGroup
      InstanceType: t3.medium
      BlockDeviceMappings:
      - DeviceName: "/dev/sdk"
        Ebs:
          VolumeSize: '10'

WebAppGroup:
      Type: AWS::AutoScaling::AutoScalingGroup
      Properties:
        VPCZoneIdentifier:
        - Fn::ImportValue: 
            !Sub "${EnvironmentName}-PRIV-NETS"
        LaunchConfigurationName:
          Ref: WebAppLaunchConfig
        MinSize: '4'
        MaxSize: '6'
        TargetGroupARNs:
        - Ref: WebAppTargetGroup    

解决方法

您的缩进不适用于WebAppLaunchConfig和WebAppGroup。建议尝试CloudFormation Linter中的VSCode来创作模板时内联查看这些错误：

E1001 Top level template section escription is not valid
E1001 Top level template section WebAppLaunchConfig is not valid
E1001 Top level template section WebAppGroup is not valid
E1012 Ref WebAppTargetGroup not found as a resource or parameter

,

除了缩进问题（请参阅其他答案）之外，您的模板还缺少WebAppTargetGroup资源的定义。

因此，除非仅显示模板的一部分，否则即使更正了缩进，模板也不会部署。您需要定义WebAppTargetGroup或将其从AutoScaling组中删除。