向ARM模板FailOverGroup提供数据库的动态列表

"parameters": {
  "databases": {
    "type": "array",
    "defaultValue": [
      {
        "name": "database1",
        "server": "server1",
        "username": "username1",
        "password": "password1"
      },
      {
        "name": "database2",
        "server": "server2",
        "username": "username2",
        "password": "password2"
      }
    ],
    "metadata": {
      "description": "The list of databases to include in the FailOverGroup."
    }
  }
},
"resources": [
  {
    "type": "Microsoft.Sql/servers/databases",
    "name": "[concat(parameters('databases')[copyIndex()].server, '/', parameters('databases')[copyIndex()].name)]",
    "apiVersion": "2019-06-01-preview",
    "copy": {
      "name": "databaseCopy",
      "count": "[length(parameters('databases'))]"
    },
    "properties": {
      "collation": "SQL_Latin1_General_CP1_CI_AS",
      "edition": "Basic",
      "maxSizeBytes": "1073741824",
      "requestedServiceObjectiveName": "Basic",
      "sourceDatabaseId": "[resourceId('Microsoft.Sql/servers/databases', parameters('databases')[copyIndex()].server, parameters('databases')[copyIndex()].name)]"
    }
  },
  {
    "type": "Microsoft.Sql/servers/failoverGroups",
    "name": "failoverGroup1",
    "apiVersion": "2019-06-01-preview",
    "dependsOn": [
      "[concat('Microsoft.Sql/servers/databases/', parameters('databases')[copyIndex()].server, '/', parameters('databases')[copyIndex()].name)]"
    ],
    "properties": {
      "partnerServers": [
        {
          "id": "[resourceId('Microsoft.Sql/servers', parameters('databases')[copyIndex()].server)]"
        }
      ],
      "databases": [
        {
          "id": "[resourceId('Microsoft.Sql/servers/databases', parameters('databases')[copyIndex()].server, parameters('databases')[copyIndex()].name)]"
        }
      ]
    }
  }
]