{
    "properties": {
        "displayName": "Deploy - Configure Azure Event Grid topics with private endpoints",
        "description": "Private endpoints lets you connect your virtual network to Azure services without a public IP address at the source or destination. By mapping private endpoints to your resources, they'll be protected against data leakage risks. Learn more at: https://aka.ms/privateendpoints.",
        "metadata": {
            "version": "1.0.0",
            "category": "Event Grid"
        },
        "policyType": "BuiltIn",
        "mode": "Indexed",
        "parameters": {
            "privateEndpointSubnetId": {
                "type": "String",
                "metadata": {
                    "displayName": "Private endpoint subnet id",
                    "description": "Specifies the subnet to use to configure private endpoint",
                    "strongType": "Microsoft.Network/virtualNetworks/subnets"
                }
            },
            "effect": {
                "type": "String",
                "metadata": {
                    "displayName": "Effect",
                    "description": "Enable or disable the execution of the policy"
                },
                "allowedValues": [
                    "DeployIfNotExists",
                    "Disabled"
                ],
                "defaultValue": "DeployIfNotExists"
            }
        },
        "policyRule": {
            "if": {
                "allOf": [
                    {
                        "field": "type",
                        "equals": "Microsoft.EventGrid/topics"
                    },
                    {
                        "field": "kind",
                        "notEquals": "AzureArc"
                    }
                ]
            },
            "then": {
                "effect": "[parameters('effect')]",
                "details": {
                    "type": "Microsoft.EventGrid/topics/privateEndpointConnections",
                    "existenceCondition": {
                        "field": "Microsoft.EventGrid/topics/privateEndpointConnections/privateLinkServiceConnectionState.status",
                        "equals": "Approved"
                    },
                    "roleDefinitionIds": [
                        "/providers/Microsoft.Authorization/roleDefinitions/4d97b98b-1d4f-4787-a291-c67834d212e7",
                        "/providers/Microsoft.Authorization/roleDefinitions/1e241071-0855-49ea-94dc-649edcd759de"
                    ],
                    "deployment": {
                        "properties": {
                            "mode": "incremental",
                            "parameters": {
                                "name": {
                                    "value": "[field('name')]"
                                },
                                "serviceId": {
                                    "value": "[field('id')]"
                                },
                                "privateEndpointSubnetId": {
                                    "value": "[parameters('privateEndpointSubnetId')]"
                                }
                            },
                            "template": {
                                "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
                                "contentVersion": "1.0.0.0",
                                "parameters": {
                                    "name": {
                                        "type": "string"
                                    },
                                    "serviceId": {
                                        "type": "string"
                                    },
                                    "privateEndpointSubnetId": {
                                        "type": "string"
                                    }
                                },
                                "variables": {
                                    "privateEndpointName": "[concat('pe-',substring(parameters('name'),0,min(length(parameters('name')),50)),'-',uniquestring(deployment().name))]"
                                },
                                "resources": [
                                    {
                                        "type": "Microsoft.Resources/deployments",
                                        "name": "[variables('privateEndpointName')]",
                                        "apiVersion": "2020-06-01",
                                        "properties": {
                                            "mode": "Incremental",
                                            "expressionEvaluationOptions": {
                                                "scope": "inner"
                                            },
                                            "template": {
                                                "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
                                                "contentVersion": "1.0.0.0",
                                                "parameters": {
                                                    "serviceId": {
                                                        "type": "string"
                                                    },
                                                    "privateEndpointSubnetId": {
                                                        "type": "string"
                                                    },
                                                    "subnetLocation": {
                                                        "type": "string"
                                                    }
                                                },
                                                "variables": {
                                                    "privateEndpointName": "[deployment().name]"
                                                },
                                                "resources": [
                                                    {
                                                        "name": "[variables('privateEndpointName')]",
                                                        "type": "Microsoft.Network/privateEndpoints",
                                                        "apiVersion": "2020-07-01",
                                                        "location": "[parameters('subnetLocation')]",
                                                        "tags": {},
                                                        "properties": {
                                                            "subnet": {
                                                                "id": "[parameters('privateEndpointSubnetId')]"
                                                            },
                                                            "privateLinkServiceConnections": [
                                                                {
                                                                    "name": "[variables('privateEndpointName')]",
                                                                    "properties": {
                                                                        "privateLinkServiceId": "[parameters('serviceId')]",
                                                                        "groupIds": [
                                                                            "topic"
                                                                        ],
                                                                        "requestMessage": "autoapprove"
                                                                    }
                                                                }
                                                            ],
                                                            "manualPrivateLinkServiceConnections": []
                                                        }
                                                    }
                                                ]
                                            },
                                            "parameters": {
                                                "serviceId": {
                                                    "value": "[parameters('serviceId')]"
                                                },
                                                "privateEndpointSubnetId": {
                                                    "value": "[parameters('privateEndpointSubnetId')]"
                                                },
                                                "subnetLocation": {
                                                    "value": "[reference(first(take(split(parameters('privateEndpointSubnetId'),'/subnets'),1)),'2020-07-01','Full').location]"
                                                }
                                            }
                                        }
                                    }
                                ]
                            }
                        }
                    }
                }
            }
        }
    },
    "id": "/providers/Microsoft.Authorization/policyDefinitions/6fcec95c-fbdf-45e8-91e1-e3175d9c9eca",
    "name": "6fcec95c-fbdf-45e8-91e1-e3175d9c9eca"
}