ENFORCE-ALZ-SandboxPolicyAssignment.json

{
    "$schema": "https://schema.management.azure.com/schemas/2019-08-01/managementGroupDeploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "topLevelManagementGroupPrefix": {
            "type": "string",
            "metadata": {
                "description": "Provide the ESLZ company prefix to the intermediate root management group containing the policy definitions."
            }
        },
        "enforcementMode": {
            "type": "string",
            "allowedValues": [
                "Default",
                "DoNotEnforce"
            ],
            "defaultValue": "Default"
        },
        "nonComplianceMessagePlaceholder": {
            "type": "string",
            "defaultValue": "{enforcementMode}"
        },
        "listOfResourceTypesNotAllowed": {
            "type": "Array",
            "defaultValue": [
                "microsoft.network/expressroutecircuits",
                "microsoft.network/expressroutegateways",
                "microsoft.network/expressrouteports",                            
                "microsoft.network/virtualwans",
                "microsoft.network/virtualhubs",
                "microsoft.network/vpngateways",
                "microsoft.network/p2svpngateways",                            
                "microsoft.network/vpnsites",
                "microsoft.network/virtualnetworkgateways"
            ]
        }
    },
    "variables": {
        "policyDefinitions": {
            "enforceAlzSandbox": "[concat('/providers/Microsoft.Management/managementGroups/', parameters('topLevelManagementGroupPrefix'), '/providers/Microsoft.Authorization/policySetDefinitions/Enforce-ALZ-Sandbox')]"
        },
        "policyAssignmentNames": {
            "alzSandbox": "Enforce-ALZ-Sandbox",
            "description": "This initiative will help enforce and govern subscriptions that are placed within the Sandbox Management Group. See https://aka.ms/alz/policies for more information.",
            "displayName": "Enforce ALZ Sandbox Guardrails"
        },
        "nonComplianceMessage": {
            "message": "ALZ Sandbox Guardrails {enforcementMode} be enforced.",
            "Default": "must",
            "DoNotEnforce": "should"
        }
    },
    "resources": [
        {
            "type": "Microsoft.Authorization/policyAssignments",
            "apiVersion": "2022-06-01",
            "name": "[variables('policyAssignmentNames').alzSandbox]",
            "location": "[deployment().location]",
            "properties": {
                "description": "[variables('policyAssignmentNames').description]",
                "displayName": "[variables('policyAssignmentNames').displayName]",
                "policyDefinitionId": "[variables('policyDefinitions').enforceAlzSandbox]",
                "enforcementMode": "[parameters('enforcementMode')]",
                "nonComplianceMessages": [
                    {
                        "message": "[replace(variables('nonComplianceMessage').message, parameters('nonComplianceMessagePlaceholder'), variables('nonComplianceMessage')[parameters('enforcementMode')])]"
                    }
                ],
                "parameters": {
                    "listOfResourceTypesNotAllowed": {
                        "value": "[parameters('listOfResourceTypesNotAllowed')]"
                    }
                }
            }
        }
    ],
    "outputs": {}
}