ARM template cross resource group deployment

Sometimes you need to deploy to different resource groups in one deployment. Till now you had to split-up you ARM template. With new API versions you can now deploy to multiple resource groups in one deployment:

{
    "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "StorageAccountName1": {
            "type": "string"
        },
        "StorageAccountName2": {
            "type": "string"
        }
    },
    "variables": {},
    "resources": [
        {
            "apiVersion": "2017-05-10",
            "name": "nestedTemplate",
            "type": "Microsoft.Resources/deployments",
            "resourceGroup": "crossResourceGroupDeployment",
            "properties": {
                "mode": "Incremental",
                "template": {
                    "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
                    "contentVersion": "1.0.0.0",
                    "parameters": {},
                    "variables": {},
                    "resources": [
                        {
                            "type": "Microsoft.Storage/storageAccounts",
                            "name": "[parameters('StorageAccountName2')]",
                            "apiVersion": "2015-06-15",
                            "location": "West US",
                            "properties": {
                                "accountType": "Standard_LRS"
                            }
                        }
                    ]
                },
                "parameters": {}
            }
        },
        {
            "type": "Microsoft.Storage/storageAccounts",
            "name": "[parameters('StorageAccountName1')]",
            "apiVersion": "2015-06-15",
            "location": "West US",
            "properties": {
                "accountType": "Standard_LRS"
            }
        }
    ]
}

You can find this source code in Ryan Jones GitHub.

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