last sync: 2021-Nov-26 17:15:01 UTC

Azure Policy definition

[Preview]: Configure supported virtual machines to automatically enable vTPM

Name [Preview]: Configure supported virtual machines to automatically enable vTPM
Azure Portal
Id e494853f-93c3-4e44-9210-d12f61a64b34
Version 2.0.0-preview
details on versioning
Category Security Center
Microsoft docs
Description Configure supported virtual machines to automatically enable vTPM to facilitate Measured Boot and other OS security features that require a TPM. Once enabled, vTPM can be used to attest boot integrity.
Mode Indexed
Type BuiltIn
Preview True
Deprecated FALSE
Effect Default: DeployIfNotExists
Allowed: (DeployIfNotExists, Disabled)
Used RBAC Role
Role Name Role Id
Virtual Machine Contributor 9980e02c-c2be-4d73-94e8-173b1dc7cf3c
History
Date/Time (UTC ymd) (i) Change type Change detail
2021-11-12 16:23:07 change Major, suffix remains equal (1.0.0-preview > 2.0.0-preview)
2021-06-08 15:17:13 add e494853f-93c3-4e44-9210-d12f61a64b34
Used in Initiatives none
JSON Changes

JSON
{
  "displayName": "[Preview]: Configure supported virtual machines to automatically enable vTPM",
  "policyType": "BuiltIn",
  "mode": "Indexed",
  "description": "Configure supported virtual machines to automatically enable vTPM to facilitate Measured Boot and other OS security features that require a TPM. Once enabled, vTPM can be used to attest boot integrity.",
  "metadata": {
    "category": "Security Center",
    "version": "2.0.0-preview",
    "preview": true
  },
  "parameters": {
    "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.Compute/virtualMachines"
        },
        {
          "field": "Microsoft.Compute/virtualMachines/securityProfile.securityType",
          "equals": "TrustedLaunch"
        },
        {
          "field": "Microsoft.Compute/virtualMachines/securityProfile.uefiSettings",
          "exists": "true"
        },
        {
          "field": "Microsoft.Compute/virtualMachines/securityProfile.uefiSettings.vTpmEnabled",
          "notEquals": "true"
        }
      ]
    },
    "then": {
      "effect": "[parameters('effect')]",
      "details": {
        "type": "Microsoft.Compute/virtualMachines",
        "name": "[field('fullName')]",
        "existenceCondition": {
          "field": "Microsoft.Compute/virtualMachines/securityProfile.uefiSettings.vTpmEnabled",
          "equals": "true"
        },
        "roleDefinitionIds": [
          "/providers/microsoft.authorization/roleDefinitions/9980e02c-c2be-4d73-94e8-173b1dc7cf3c"
        ],
        "deployment": {
          "properties": {
            "mode": "incremental",
            "parameters": {
              "vmName": {
                "value": "[field('name')]"
              },
              "location": {
                "value": "[field('location')]"
              }
            },
            "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"
                }
              },
              "resources": [
                {
                  "name": "[parameters('vmName')]",
                  "location": "[parameters('location')]",
                  "type": "Microsoft.Compute/virtualMachines",
                  "apiVersion": "2020-12-01",
                  "properties": {
                    "securityProfile": {
                      "uefiSettings": {
                        "vTpmEnabled": "true"
                      },
                      "securityType": "TrustedLaunch"
                    }
                  }
                }
              ]
            }
          }
        }
      }
    }
  }
}