Deploy-Private-DNS-Generic.json

{
    "name": "Deploy-Private-DNS-Generic",
    "type": "Microsoft.Authorization/policyDefinitions",
    "apiVersion": "2021-06-01",
    "scope": null,
    "properties": {
        "policyType": "Custom",
        "mode": "All",
        "displayName": "Deploy-Private-DNS-Generic",
        "description": "Configure private DNS zone group to override the DNS resolution for PaaS services private endpoint. See https://aka.ms/pepdnszones for information on values to provide to parameters in this policy.",
        "metadata": {
            "version": "2.0.0",
            "category": "Networking",
            "source": "https://github.com/Azure/Enterprise-Scale/",
            "alzCloudEnvironments": [
                "AzureCloud",
        	"AzureChinaCloud",
       		"AzureUSGovernment"
            ]
        },
        "parameters": {
            "effect": {
                "type": "String",
                "metadata": {
                    "displayName": "Effect",
                    "description": "Enable or disable the execution of the policy"
                },
                "allowedValues": [
                    "DeployIfNotExists",
                    "Disabled"
                ],
                "defaultValue": "DeployIfNotExists"
            },
            "privateDnsZoneId": {
                "type": "String",
                "metadata": {
                    "displayName": "Private DNS Zone ID for PaaS services",
                    "description": "The private DNS zone name required for specific PaaS Services to resolve a private DNS Zone.",
                    "strongType": "Microsoft.Network/privateDnsZones",
                    "assignPermissions": true
                }
            },
            "resourceType": {
                "type": "String",
                "metadata": {
                    "displayName": "PaaS private endpoint resource type",
                    "description": "The PaaS endpoint resource type."
                }
            },
            "groupId": {
                "type": "String",
                "metadata": {
                    "displayName": "PaaS Private endpoint group ID (subresource)",
                    "description": "The group ID of the PaaS private endpoint. Also referred to as subresource."
                }
            },
            "evaluationDelay": {
                "type": "String",
                "metadata": {
                    "displayName": "Evaluation Delay",
                    "description": "The delay in evaluation of the policy. Review delay options at https://learn.microsoft.com/en-us/azure/governance/policy/concepts/effect-deploy-if-not-exists"
                },
                "defaultValue": "PT10M"
            },
            "location": {
                "type": "String",
                "metadata": {
                  "displayName": "Location (Specify the Private Endpoint location)",
                  "description": "Specify the Private Endpoint location",
                  "strongType": "location"
                },
                "defaultValue": "northeurope"
              }
        },
        "policyRule": {
            "if": {
                "allOf": [
                    {
                        "field": "location",
                        "equals": "[[parameters('location')]"
                    },
                    {
                        "field": "type",
                        "equals": "Microsoft.Network/privateEndpoints"
                    },
                    {
                        "count": {
                            "field": "Microsoft.Network/privateEndpoints/privateLinkServiceConnections[*]",
                            "where": {
                                "allOf": [
                                    {
                                        "field": "Microsoft.Network/privateEndpoints/privateLinkServiceConnections[*].privateLinkServiceId",
                                        "contains": "[[parameters('resourceType')]"
                                    },
                                    {
                                        "field": "Microsoft.Network/privateEndpoints/privateLinkServiceConnections[*].groupIds[*]",
                                        "equals": "[[parameters('groupId')]"
                                    }
                                ]
                            }
                        },
                        "greaterOrEquals": 1
                    }
                ]
            },
            "then": {
                "effect": "[[parameters('effect')]",
                "details": {
                    "type": "Microsoft.Network/privateEndpoints/privateDnsZoneGroups",
                    "evaluationDelay": "[[parameters('evaluationDelay')]",
                    "roleDefinitionIds": [
                        "/providers/Microsoft.Authorization/roleDefinitions/4d97b98b-1d4f-4787-a291-c67834d212e7"
                    ],
                    "deployment": {
                        "properties": {
                            "mode": "incremental",
                            "template": {
                                "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
                                "contentVersion": "1.0.0.0",
                                "parameters": {
                                    "privateDnsZoneId": {
                                        "type": "string"
                                    },
                                    "privateEndpointName": {
                                        "type": "string"
                                    },
                                    "location": {
                                        "type": "string"
                                    }
                                },
                                "resources": [
                                    {
                                        "name": "[[concat(parameters('privateEndpointName'), '/deployedByPolicy')]",
                                        "type": "Microsoft.Network/privateEndpoints/privateDnsZoneGroups",
                                        "apiVersion": "2020-03-01",
                                        "location": "[[parameters('location')]",
                                        "properties": {
                                            "privateDnsZoneConfigs": [
                                                {
                                                    "name": "PaaS-Service-Private-DNS-Zone-Config",
                                                    "properties": {
                                                        "privateDnsZoneId": "[[parameters('privateDnsZoneId')]"
                                                    }
                                                }
                                            ]
                                        }
                                    }
                                ]
                            },
                            "parameters": {
                                "privateDnsZoneId": {
                                    "value": "[[parameters('privateDnsZoneId')]"
                                },
                                "privateEndpointName": {
                                    "value": "[[field('name')]"
                                },
                                "location": {
                                    "value": "[[field('location')]"
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}