DisableLocalAuth_Modify.json

{
  "properties": {
    "displayName": "Configure Azure SignalR Service to disable local authentication",
    "policyType": "BuiltIn",
    "mode": "Indexed",
    "description": "Disable local authentication methods so that your Azure SignalR Service exclusively requires Azure Active Directory identities for authentication.",
    "metadata": {
      "version": "1.0.0",
      "category": "SignalR"
    },
    "version": "1.0.0",
    "parameters": {
      "effect": {
        "type": "String",
        "defaultValue": "Modify",
        "allowedValues": [
          "Modify",
          "Disabled"
        ],
        "metadata": {
          "displayName": "Effect",
          "description": "Enable or disable the execution of the policy"
        }
      }
    },
    "policyRule": {
      "if": {
        "allOf": [
          {
            "field": "type",
            "equals": "Microsoft.SignalRService/SignalR"
          },
          {
            "field": "Microsoft.SignalRService/SignalR/disableLocalAuth",
            "notEquals": true
          }
        ]
      },
      "then": {
        "effect": "[parameters('effect')]",
        "details": {
          "conflictEffect": "audit",
          "roleDefinitionIds": [
            "/providers/Microsoft.Authorization/roleDefinitions/8cf5e20a-e4b2-4e9d-b3a1-5ceb692c2761"
          ],
          "operations": [
            {
              "condition": "[greaterOrEquals(requestContext().apiVersion, '2021-06-01-preview')]",
              "operation": "addOrReplace",
              "field": "Microsoft.SignalRService/SignalR/disableLocalAuth",
              "value": true
            }
          ]
        }
      }
    },
    "versions": [
      "1.0.0"
    ]
  },
  "id": "/providers/Microsoft.Authorization/policyDefinitions/702133e5-5ec5-4f90-9638-c78e22f13b39",
  "name": "702133e5-5ec5-4f90-9638-c78e22f13b39"
}