Audit-MachineLearning-PrivateEndpointId.json

{
  "name": "Audit-MachineLearning-PrivateEndpointId",
  "type": "Microsoft.Authorization/policyDefinitions",
  "apiVersion": "2021-06-01",
  "scope": null,
  "properties": {
    "policyType": "Custom",
    "mode": "Indexed",
    "displayName": "Control private endpoint connections to Azure Machine Learning",
    "description": "Audit private endpoints that are created in other subscriptions and/or tenants for Azure Machine Learning.",
    "metadata": {
      "version": "1.0.0",
      "category": "Machine Learning",
      "source": "https://github.com/Azure/Enterprise-Scale/",
      "alzCloudEnvironments": [
        "AzureCloud"
      ]
    },
    "parameters": {
      "effect": {
        "type": "String",
        "metadata": {
          "displayName": "Effect",
          "description": "Enable or disable the execution of the policy"
        },
        "allowedValues": [
          "Audit",
          "Deny",
          "Disabled"
        ],
        "defaultValue": "Audit"
      }
    },
    "policyRule": {
      "if": {
        "allOf": [
          {
            "field": "type",
            "equals": "Microsoft.MachineLearningServices/workspaces/privateEndpointConnections"
          },
          {
            "field": "Microsoft.MachineLearningServices/workspaces/privateEndpointConnections/privateLinkServiceConnectionState.status",
            "equals": "Approved"
          },
          {
            "anyOf": [
              {
                "field": "Microsoft.MachineLearningServices/workspaces/privateEndpointConnections/privateEndpoint.id",
                "exists": false
              },
              {
                "value": "[[split(concat(field('Microsoft.MachineLearningServices/workspaces/privateEndpointConnections/privateEndpoint.id'), '//'), '/')[2]]",
                "notEquals": "[[subscription().subscriptionId]"
              }
            ]
          }
        ]
      },
      "then": {
        "effect": "[[parameters('effect')]"
      }
    }
  }
}