关联ARM模板传参失败，部署ResourceGroups报缺location属性错误

核心报错 #

执行New-AzDeployment命令时持续触发以下错误：

New-AzDeployment: 20:29:04 - Error: Code=InvalidDeployment; 
Message=名为「ResourceGroups」的部署资源必须指定`location`属性，可参考订阅级部署的官方使用指南排查配置。

问题场景 #

测试带基础关联（Linked）逻辑的ARM模板时，始终无法正常向关联模板解析传递location参数。对照ARM关联模板的官方文档确认，当前配置逻辑按文档说明应当支持参数正常传递。
当前使用的部署文件清单：

• azuredeploy.json：主/父模板文件
• azuredeploy.parameters.json：主模板关联参数文件
• resourceGroups.json：关联模板，内部配置了2个资源组的部署定义

各文件实际配置 #

主模板 azuredeploy.json #

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "_artifactlocation": {
      "type": "string",
      "defaultValue": "https://someblob.blob.core.windows.net/armtemplates/"
    },
    "_artifactsastoken": {
      "type": "securestring",
      "defaultValue": "somekey"
    },
    "location": {
      "type": "string",
      "defaultValue": "ukwest"
    },
    "tag_Owner": {
      "type": "string",
      "defaultValue": "abc"
    },
    "network_RGName": {
      "type": "string",
      "defaultValue": "RG-UKW-TEST-NETWORK"
    },
    "activtyDirectory_RGName": {
      "type": "string",
      "defaultValue": "RG-UKW-TEST-ACTIVEDIRECTORY"
    }
  },
  "functions": [],
  "variables": {},
  "resources": [
    {
      "type": "Microsoft.Resources/deployments",
      "apiVersion": "2019-10-01",
      "name": "ResourceGroups",
      "properties": {
        "mode": "Incremental",
        "templateLink": {
          "uri": "https://someblob.blob.core.windows.net/armtemplates/resourceGroups.json",
          "contentVersion": "1.0.0.0"
        },
        "parameters": {
          "parameters": {
            "location": {
              "value": "[parameters('location')]"
            },
            "network_RGName": {
              "value": "[parameters('network_RGName')]"
            },
            "activtyDirectory_RGName": {
              "value": "[parameters('activtyDirectory_RGName')]"
            }
          }
        }
      }
    }
  ],
  "outputs": {}
}

注：当前配置存在两处易踩坑的问题：一是向关联模板传参时多嵌套了一层parameters对象层级，导致关联模板接收不到参数；二是订阅级部署场景下，关联的deployment资源本身未指定自有location属性，正是触发本次报错的核心原因

主模板参数文件 azuredeploy.parameters.json #

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentParameters.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "location": {
      "value": "ukwest"
    },
    "network_RGName": {
      "value": "RG-UKW-TEST-NETWORK"
    },
    "activtyDirectory_RGName": {
      "value": "RG-UKW-TEST-ACTIVEDIRECTORY"
    },
    "tag_Owner": {
      "value": "abc"
    }
  }
}

关联模板 resourceGroups.json #

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "location": {
      "type": "string"
    },
    "network_RGName": {
      "type": "string"
    },
    "activtyDirectory_RGName": {
      "type": "string"
    },
    "tag_Owner": {
      "type": "string"
    }
  },
  "functions": [],
  "variables": {},
  "resources": [
    {
      "name": "[parameters('network_RGName')]",
      "type": "Microsoft.Resources/resourceGroups",
      "apiVersion": "2019-10-01",
      "location": "[parameters('location')]",
      "dependsOn": [],
      "tags": {
        "Owner": "[parameters('tag_Owner')]"
      }
    },
    {
      "name": "[parameters('activtyDirectory_RGName')]",
      "type": "Microsoft.Resources/resourceGroups",
      "apiVersion": "2019-10-01",
      "location": "[parameters('location')]",
      "dependsOn": [],
      "tags": {
        "Owner": "[parameters('tag_Owner')]"
      }
    }
  ],
  "outputs": {}
}

内容的提问来源于stack exchange，提问作者craig Rickett