text: from checkov.common.models.enums import CheckResult, CheckCategories
  from checkov.terraform.checks.resource.base_resource_value_check import BaseResourceCheck
  
  
  class VMStorageOsDisk(BaseResourceCheck):
      def __init__(self):
          name = "Ensure that Virtual Machines use managed disks"
          id = "CKV_AZURE_92"
          supported_resources = ['azurerm_linux_virtual_machine', 'azurerm_windows_virtual_machine']
          categories = [CheckCategories.GENERAL_SECURITY]
          super().__init__(name=name, id=id, categories=categories, supported_resources=supported_resources)
  
      def scan_resource_conf(self, conf):
          storage_os_disk = conf.get('storage_os_disk')
          storage_data_disk = conf.get('storage_data_disk')
          if storage_os_disk and 'vhd_uri' in storage_os_disk[0]:
              self.evaluated_keys = ['storage_os_disk']
              return CheckResult.FAILED
          if storage_data_disk and 'vhd_uri' in storage_data_disk[0]:
              self.evaluated_keys = ['storage_data_disk']
              return CheckResult.FAILED
          self.evaluated_keys = ['storage_os_disk'] if storage_os_disk else []
          if storage_data_disk:
              self.evaluated_keys.append('storage_data_disk')
          return CheckResult.PASSED
  
  
  check = VMStorageOsDisk()
  