我在 CloudFormation 中有 2 个堆栈。一种是创建一个带有几个子网的 vpc,这些子网将被导出以便在其他堆栈中使用。这个想法是让这些子网在其他堆栈中使用。 vpc 堆栈正确导出值,但我无法将它们导入到第二个堆栈中,因为它使用字符串列表。
堆栈 1:
PrivateSubnets:
Description: "A list of the public subnets"
Value: !Join [ ",", [ !Ref PrivateSubnet1, !Ref PrivateSubnet2 ]]
Export:
Name: !Sub "${StagingArea}-PrivateSubnets"
PublicSubnet1:
Description: "Reference to the publi subnet in the 1st Availability Zone"
Value: !Ref PublicSubnet1
PublicSubnet2:
Description: "A reference to the public subnet in the 2nd Availability Zone"
Value: !Ref PublicSubnet2
PrivateSubnet1:
Description: "A reference to the private subnet in the 1st Availability Zone"
Value: !Ref PrivateSubnet1
Export:
Name: !Sub "${StagingArea}-PrivateSubnet1"
PrivateSubnet2:
Description: "A reference to the private subnet in the 2nd Availability Zone"
Value: !Ref PrivateSubnet2
Export:
Name: !Sub "${StagingArea}-PrivateSubnet2"
当我尝试将 ImportValue 导入第二个堆栈时,它不起作用。下面的堆栈 2:
DbSubnetGroup:
Type: AWS::RDS::DBSubnetGroup
Properties:
DBSubnetGroupDescription: !Sub "${StagingArea} RDS DB Subnet Group"
SubnetIds:
- !ImportValue 'Fn::Sub': '{$StagingArea}-PrivateSubnet1'
- !ImportValue 'Fn::Sub': '{$StagingArea}-PrivateSubnet2'
是否可以将从第一个堆栈导出的值放入第二个堆栈?我尝试了各种选择,但似乎都不起作用。
最佳答案
Sub
是不正确(错误使用$
),最好遵循 docs并将语句分成两行:
- Fn::ImportValue:
!Sub '${StagingArea}-PrivateSubnet1'
- Fn::ImportValue:
!Sub '${StagingArea}--PrivateSubnet2'
关于amazon-web-services - Cloudformation 拆分和导入值,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/67125291/