Question

我有以下Cloud Formation模板来创建VPC。 VPC名称是基于创建模板的区域和环境生成的.VPC创建没有任何问题，并且运行aws cloud formation validate-template --template-url https://foo.template不会抱怨任何语法。

我希望将VPC命名为：

VPC-UW1-d-FS

相反，VPC保留一个空名称，而Name标签的值为空。我没有正确使用该功能吗？如果我删除Fn::FindInMap函数用法，我会生成名称 - 它只是缺少环境映射值。

{
    "AWSTemplateFormatVersion": "2010-09-09",
    "Description": "VPC for a new environment to use.",
    "Parameters": {
        "EnvironmentName": {
            "Description": "Name of the environment that this VPC will be used for.",
            "Type": "String",
            "MinLength": "2",
            "MaxLength": "20",
            "AllowedPattern": "[a-zA-Z]*",
            "AllowedValues": [
                "Development",
                "QA",
                "Test",
                "Production"
            ]
        }
    },
    "Resources": {
        "VPC": {
            "Type": "AWS::EC2::VPC",
            "Properties": {
                "CidrBlock": "10.0.0.0/16",
                "EnableDnsSupport": false,
                "EnableDnsHostnames": false,
                "InstanceTenancy": "default",
                "Tags": [ { 
                    "Key": "Name",
                    "Value": {
                        "Fn::Join": [
                            "-",
                            [
                                "vpc",
                                { "Ref": "AWS::Region" },
                                { "Fn::FindInMap": [
                                    "EnvironmentMap", { "Ref": "EnvironmentName" }, "AbbreviatedName"
                                ]},
                                "fs"
                            ]
                        ]
                    }
                }]
            }
        }
    },
    "Mappings": {
        "RegionMap": {
            "us-east-1": {
                "regionName": "ue1"
            },
            "us-west-1": {
                "regionName": "uw1"
            }
        },
        "EnvironmentMap": {
            "Development": { 
                "AbbreviatedName": "d"
            },
            "QA": { 
                "AbbreviatedName": "qa"
            },
            "Test": { 
                "AbbreviatedName": "t"
            },
            "Production": { 
                "AbbreviatedName": "p"
            }
        }
    },
    "Outputs": {

    }
}

Answer 1

您的模板对我来说非常合适。

我在ap-southeast-2区域运行它并生成标记：

姓名： vpc-ap-southeast-2-d-fs

（RegionMap未在给定的模板中使用。）

云形成功能不会为标记

1 个答案: