我正在试用CloudFormation来自动创建资源。在下面的设置中，我试图将负载平衡目标组的创建从主脚本分解为一个单独的脚本。我知道我们可以用"；变换"；部分，但是主脚本流需要创建的目标组的ARN才能继续。我可以知道是否有一种方法可以从外部脚本传递回值吗？感谢
(Create_Cluster.yaml(主脚本
AWSTemplateFormatVersion: 2010-09-09
Description: Create ECS cluster, task definition and service
Transform:
Name: 'AWS::Include'
Parameters:
Location: s3://MyAmazonS3BucketName/Create_Target_Group.yaml
Resources:
TestECSCluster:
Type: 'AWS::ECS::Cluster'
Properties: {}
ECSTaskExecutionRole:
Type: 'AWS::IAM::Role'
Properties:
AssumeRolePolicyDocument:
Version: 2012-10-17
Statement:
- Sid: ''
Effect: Allow
Principal:
Service: ecs-tasks.amazonaws.com
Action: 'sts:AssumeRole'
ManagedPolicyArns:
- 'arn:aws:iam::aws:policy/service-role/AmazonECSTaskExecutionRolePolicy'
PostCodeECSTaskDefinition:
Type: 'AWS::ECS::TaskDefinition'
Properties:
ExecutionRoleArn: !GetAtt
- ECSTaskExecutionRole
- Arn
ContainerDefinitions:
- Name: PostCode
Image: 'nginxdemos/hello:latest'
Essential: true
PortMappings:
- HostPort: 80
Protocol: tcp
ContainerPort: 80
RequiresCompatibilities:
- FARGATE
NetworkMode: awsvpc
Cpu: '256'
Memory: '512'
Family: ecs-demo
PostCodeECSService:
Type: 'AWS::ECS::Service'
Properties:
Cluster: TestCluster
DeploymentController:
Type: CODE_DEPLOY
DesiredCount: 1
HealthCheckGracePeriodSeconds: 300
LaunchType: FARGATE
LoadBalancers:
- ContainerName: PostCode
ContainerPort: 80
TargetGroupArn: <HOW TO GET THE ARN OF THE TARGET GROUP CREATED IN EXTERNAL SCRIPT?>
SchedulingStrategy: REPLICA
ServiceName: TestService
TaskDefinition: PostCodeECSTaskDefinition
(Create_Target.yaml(创建目标组的脚本
AWSTemplateFormatVersion: 2010-09-09
Description: Create target group
Resources:
TestTargetGroup01:
Type: AWS::ElasticLoadBalancingV2::TargetGroup
Properties:
Name: TestTargetGroup01
Protocol: HTTP
Port: 80
TargetType: instance
VpcId: vpc-b830c6c5
==========================
更新(2021年4月6日(
================
经过一番学习，我使它发挥了作用。您需要将想要外部化的部分放在一个单独的堆栈(嵌套堆栈(中，并在主堆栈中调用它。在嵌套堆栈中；输出"；返回任何价值的部分；在主堆栈中，使用"从嵌套堆栈中获取返回值；GetAtt"；作用
...
TargetGroupArn: !GetAtt
- TargetGroup01Stack
- Outputs.TargetGroupARN
...
在这里，我使用了嵌套堆栈而不是Transform部分，因为它可以有自己的"；输出"；部分
参考：
https://aws.amazon.com/premiumsupport/knowledge-center/cloudformation-nested-stacks-values/
这里讨论了嵌套堆栈和转换之间的区别：
https://acloud.guru/forums/aws-cda-2018/discussion/-LYOIsyqQdHckIbop4XP/difference_between_nested_stac#:~：text=2%20Answers&text=嵌套%20stacks%20create%20a%20clearly，主模板的%20parameters%2C%20conditions%20etc
(Create_ECS_Cluster.yaml(创建主堆栈，并在内部调用嵌套堆栈作为步骤
AWSTemplateFormatVersion: '2010-09-09'
Description: Create ECS cluster, task definition and service
Resources:
TargetGroup01Stack:
Type: 'AWS::CloudFormation::Stack'
Properties:
TemplateURL: 'https://mys3bucket.s3.amazonaws.com/Create_Target_Group.yaml'
TestSecurityGroup:
Type: 'AWS::EC2::SecurityGroup'
Properties:
GroupDescription: Security group for ec2 access
VpcId: vpc-b830c6c5
SecurityGroupIngress:
- IpProtocol: tcp
FromPort: 80
ToPort: 80
CidrIp: 0.0.0.0/0
- IpProtocol: tcp
FromPort: 8080
ToPort: 8080
CidrIp: 0.0.0.0/0
- IpProtocol: tcp
FromPort: 22
ToPort: 22
CidrIp: 0.0.0.0/0
TestALB:
Type: 'AWS::ElasticLoadBalancingV2::LoadBalancer'
Properties:
Scheme: internet-facing
SecurityGroups:
- !Ref TestSecurityGroup
Subnets:
- subnet-e80ed48e
- subnet-7c3ba772
Tags:
- Key: Group
Value: Example
Type: application
IpAddressType: ipv4
TestALBListener:
Type: 'AWS::ElasticLoadBalancingV2::Listener'
Properties:
DefaultActions:
- Type: forward
ForwardConfig:
TargetGroups:
- TargetGroupArn: !GetAtt
- TargetGroup01Stack
- Outputs.TargetGroupARN
LoadBalancerArn: !Ref TestALB
Port: 80
Protocol: HTTP
TestECSCluster:
Type: 'AWS::ECS::Cluster'
Properties: {}
ECSTaskExecutionRole:
Type: 'AWS::IAM::Role'
Properties:
AssumeRolePolicyDocument:
Version: 2012-10-17
Statement:
- Sid: ''
Effect: Allow
Principal:
Service: ecs-tasks.amazonaws.com
Action: 'sts:AssumeRole'
ManagedPolicyArns:
- 'arn:aws:iam::aws:policy/service-role/AmazonECSTaskExecutionRolePolicy'
PostCodeECSTaskDefinition:
Type: 'AWS::ECS::TaskDefinition'
Properties:
ExecutionRoleArn: !GetAtt
- ECSTaskExecutionRole
- Arn
ContainerDefinitions:
- Name: PostCode
Image: patrick888/postcode:latest
Essential: true
PortMappings:
- HostPort: 80
Protocol: tcp
ContainerPort: 80
LogConfiguration:
LogDriver: awslogs
Options:
awslogs-group: awslogs-ecs
awslogs-region: us-east-1
awslogs-stream-prefix: PostCodeECSService
RequiresCompatibilities:
- FARGATE
NetworkMode: awsvpc
Cpu: '256'
Memory: '512'
Family: ecs-demo
PostCodeECSService:
Type: 'AWS::ECS::Service'
Properties:
Cluster: !Ref TestECSCluster
DeploymentController:
Type: CODE_DEPLOY
DesiredCount: 1
HealthCheckGracePeriodSeconds: 300
LaunchType: FARGATE
LoadBalancers:
- ContainerName: PostCode
ContainerPort: 80
TargetGroupArn: !GetAtt
- TargetGroup01Stack
- Outputs.TargetGroupARN
NetworkConfiguration:
AwsVpcConfiguration:
AssignPublicIp: ENABLED
SecurityGroups:
- !Ref TestSecurityGroup
Subnets:
- subnet-e80ed48e
- subnet-7c3ba772
SchedulingStrategy: REPLICA
ServiceName: TestService
TaskDefinition: !Ref PostCodeECSTaskDefinition
DependsOn: TestALBListener
(Create_Target_Group.yaml(创建用于创建目标组的嵌套堆栈
AWSTemplateFormatVersion: 2010-09-09
Description: Create target group
Resources:
TestTargetGroup01:
Type: AWS::ElasticLoadBalancingV2::TargetGroup
Properties:
Name: TestTargetGroup01
Protocol: HTTP
Port: 80
TargetType: ip
VpcId: vpc-b830c6c5
HealthCheckPath: /healthcheck.html
Outputs:
TargetGroupARN:
Value: !Ref TestTargetGroup01
Description: The target group ARN
通过使用嵌套堆栈使设置正常工作，并在嵌套堆栈的"输出"；部分有关详细信息，请参阅上文，谢谢。