{
    "properties": {
        "displayName": "Configure Dependency agent on Azure Arc enabled Windows servers",
        "policyType": "BuiltIn",
        "mode": "Indexed",
        "description": "Enable VM insights on servers and machines connected to Azure through Arc enabled servers by installing the Dependency agent virtual machine extension. VM insights uses the Dependency agent to collect network metrics and discovered data about processes running on the machine and external process dependencies. See more - https://aka.ms/vminsightsdocs.",
        "metadata": {
            "version": "1.2.1",
            "category": "Monitoring"
        },
        "parameters": {
            "effect": {
                "type": "string",
                "defaultValue": "DeployIfNotExists",
                "allowedValues": [
                    "DeployIfNotExists",
                    "Disabled"
                ],
                "metadata": {
                    "displayName": "Effect",
                    "description": "Enable or disable the execution of the policy"
                }
            }
        },
        "policyRule": {
            "if": {
                "allOf": [
                    {
                        "field": "type",
                        "equals": "Microsoft.HybridCompute/machines"
                    },
                    {
                        "field": "Microsoft.HybridCompute/imageOffer",
                        "like": "windows*"
                    }
                ]
            },
            "then": {
                "effect": "[parameters('effect')]",
                "details": {
                    "type": "Microsoft.HybridCompute/machines/extensions",
                    "roleDefinitionIds": [
                        "/providers/Microsoft.Authorization/roleDefinitions/92aaf0da-9dab-42b6-94a3-d43ce8d16293"
                    ],
                    "existenceCondition": {
                        "allOf": [
                            {
                                "field": "Microsoft.HybridCompute/machines/extensions/type",
                                "equals": "DependencyAgentWindows"
                            },
                            {
                                "field": "Microsoft.HybridCompute/machines/extensions/publisher",
                                "equals": "Microsoft.Azure.Monitoring.DependencyAgent"
                            },
                            {
                                "field": "Microsoft.HybridCompute/machines/extensions/provisioningState",
                                "equals": "Succeeded"
                            }
                        ]
                    },
                    "deployment": {
                        "properties": {
                            "mode": "incremental",
                            "template": {
                                "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
                                "contentVersion": "1.0.0.0",
                                "parameters": {
                                    "vmName": {
                                        "type": "string"
                                    },
                                    "location": {
                                        "type": "string"
                                    }
                                },
                                "variables": {
                                    "DaExtensionName": "DependencyAgentWindows",
                                    "DaExtensionType": "DependencyAgentWindows"
                                },
                                "resources": [
                                    {
                                        "type": "Microsoft.HybridCompute/machines/extensions",
                                        "apiVersion": "2020-03-11-preview",
                                        "name": "[concat(parameters('vmName'), '/', variables('DaExtensionName'))]",
                                        "location": "[parameters('location')]",
                                        "properties": {
                                            "publisher": "Microsoft.Azure.Monitoring.DependencyAgent",
                                            "type": "[variables('DaExtensionType')]",
                                            "autoUpgradeMinorVersion": true,
                                            "settings": {}
                                        }
                                    }
                                ],
                                "outputs": {
                                    "policy": {
                                        "type": "string",
                                        "value": "[concat('Enabled DA extension for VM', ': ', parameters('vmName'))]"
                                    }
                                }
                            },
                            "parameters": {
                                "vmName": {
                                    "value": "[field('name')]"
                                },
                                "location": {
                                    "value": "[field('location')]"
                                }
                            }
                        }
                    }
                }
            }
        }
    },
    "id": "/providers/Microsoft.Authorization/policyDefinitions/91cb9edd-cd92-4d2f-b2f2-bdd8d065a3d4",
    "name": "91cb9edd-cd92-4d2f-b2f2-bdd8d065a3d4"
}