正确指定SubnetIds属性值的类型为列表类型,并在属性值中使用字符串格式。例如,可以使用以下CloudFormation模板来创建EC2实例并指定子网列表:
Resources:
EC2Instance:
Type: "AWS::EC2::Instance"
Properties:
InstanceType: t2.micro
ImageId: ami-0c55b159cbfafe1f0
SubnetId:
- "subnet-0123456789abcdef0"
- "subnet-0123456789abcdef1"
- "subnet-0123456789abcdef2"