text: # coding=utf-8
  # --------------------------------------------------------------------------
  # Copyright (c) Microsoft Corporation. All rights reserved.
  # Licensed under the MIT License. See License.txt in the project root for
  # license information.
  #
  # Code generated by Microsoft (R) AutoRest Code Generator.
  # Changes may cause incorrect behavior and will be lost if the code is
  # regenerated.
  # --------------------------------------------------------------------------
  
  import uuid
  from msrest.pipeline import ClientRawResponse
  from msrestazure.azure_exceptions import CloudError
  from msrest.polling import LROPoller, NoPolling
  from msrestazure.polling.arm_polling import ARMPolling
  
  from .. import models
  
  
  class VirtualMachineScaleSetsOperations(object):
      """VirtualMachineScaleSetsOperations operations.
  
      You should not instantiate directly this class, but create a Client instance that will create it for you and attach it as attribute.
  
      :param client: Client for service requests.
      :param config: Configuration of service client.
      :param serializer: An object model serializer.
      :param deserializer: An object model deserializer.
      :ivar api_version: Client Api Version. Constant value: "2019-03-01".
      """
  
      models = models
  
      def __init__(self, client, config, serializer, deserializer):
  
          self._client = client
          self._serialize = serializer
          self._deserialize = deserializer
          self.api_version = "2019-03-01"
  
          self.config = config
  
  
      def _create_or_update_initial(
              self, resource_group_name, vm_scale_set_name, parameters, custom_headers=None, raw=False, **operation_config):
          # Construct URL
          url = self.create_or_update.metadata['url']
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
              'vmScaleSetName': self._serialize.url("vm_scale_set_name", vm_scale_set_name, 'str'),
              'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}
          query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
  
          # Construct headers
          header_parameters = {}
          header_parameters['Accept'] = 'application/json'
          header_parameters['Content-Type'] = 'application/json; charset=utf-8'
          if self.config.generate_client_request_id:
              header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
          if custom_headers:
              header_parameters.update(custom_headers)
          if self.config.accept_language is not None:
              header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
          # Construct body
          body_content = self._serialize.body(parameters, 'VirtualMachineScaleSet')
  
          # Construct and send request
          request = self._client.put(url, query_parameters, header_parameters, body_content)
          response = self._client.send(request, stream=False, **operation_config)
  
          if response.status_code not in [200, 201]:
              exp = CloudError(response)
              exp.request_id = response.headers.get('x-ms-request-id')
              raise exp
  
          deserialized = None
  
          if response.status_code == 200:
              deserialized = self._deserialize('VirtualMachineScaleSet', response)
          if response.status_code == 201:
              deserialized = self._deserialize('VirtualMachineScaleSet', response)
  
          if raw:
              client_raw_response = ClientRawResponse(deserialized, response)
              return client_raw_response
  
          return deserialized
  
      def create_or_update(
              self, resource_group_name, vm_scale_set_name, parameters, custom_headers=None, raw=False, polling=True, **operation_config):
          """Create or update a VM scale set.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set to create or
           update.
          :type vm_scale_set_name: str
          :param parameters: The scale set object.
          :type parameters:
           ~azure.mgmt.compute.v2019_03_01.models.VirtualMachineScaleSet
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: The poller return type is ClientRawResponse, the
           direct response alongside the deserialized response
          :param polling: True for ARMPolling, False for no polling, or a
           polling object for personal polling strategy
          :return: An instance of LROPoller that returns VirtualMachineScaleSet
           or ClientRawResponse<VirtualMachineScaleSet> if raw==True
          :rtype:
           ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2019_03_01.models.VirtualMachineScaleSet]
           or
           ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2019_03_01.models.VirtualMachineScaleSet]]
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          raw_result = self._create_or_update_initial(
              resource_group_name=resource_group_name,
              vm_scale_set_name=vm_scale_set_name,
              parameters=parameters,
              custom_headers=custom_headers,
              raw=True,
              **operation_config
          )
  
          def get_long_running_output(response):
              deserialized = self._deserialize('VirtualMachineScaleSet', response)
  
              if raw:
                  client_raw_response = ClientRawResponse(deserialized, response)
                  return client_raw_response
  
              return deserialized
  
          lro_delay = operation_config.get(
              'long_running_operation_timeout',
              self.config.long_running_operation_timeout)
          if polling is True: polling_method = ARMPolling(lro_delay, **operation_config)
          elif polling is False: polling_method = NoPolling()
          else: polling_method = polling
          return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
      create_or_update.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}'}
  
  
      def _update_initial(
              self, resource_group_name, vm_scale_set_name, parameters, custom_headers=None, raw=False, **operation_config):
          # Construct URL
          url = self.update.metadata['url']
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
              'vmScaleSetName': self._serialize.url("vm_scale_set_name", vm_scale_set_name, 'str'),
              'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}
          query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
  
          # Construct headers
          header_parameters = {}
          header_parameters['Accept'] = 'application/json'
          header_parameters['Content-Type'] = 'application/json; charset=utf-8'
          if self.config.generate_client_request_id:
              header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
          if custom_headers:
              header_parameters.update(custom_headers)
          if self.config.accept_language is not None:
              header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
          # Construct body
          body_content = self._serialize.body(parameters, 'VirtualMachineScaleSetUpdate')
  
          # Construct and send request
          request = self._client.patch(url, query_parameters, header_parameters, body_content)
          response = self._client.send(request, stream=False, **operation_config)
  
          if response.status_code not in [200]:
              exp = CloudError(response)
              exp.request_id = response.headers.get('x-ms-request-id')
              raise exp
  
          deserialized = None
  
          if response.status_code == 200:
              deserialized = self._deserialize('VirtualMachineScaleSet', response)
  
          if raw:
              client_raw_response = ClientRawResponse(deserialized, response)
              return client_raw_response
  
          return deserialized
  
      def update(
              self, resource_group_name, vm_scale_set_name, parameters, custom_headers=None, raw=False, polling=True, **operation_config):
          """Update a VM scale set.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set to create or
           update.
          :type vm_scale_set_name: str
          :param parameters: The scale set object.
          :type parameters:
           ~azure.mgmt.compute.v2019_03_01.models.VirtualMachineScaleSetUpdate
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: The poller return type is ClientRawResponse, the
           direct response alongside the deserialized response
          :param polling: True for ARMPolling, False for no polling, or a
           polling object for personal polling strategy
          :return: An instance of LROPoller that returns VirtualMachineScaleSet
           or ClientRawResponse<VirtualMachineScaleSet> if raw==True
          :rtype:
           ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2019_03_01.models.VirtualMachineScaleSet]
           or
           ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2019_03_01.models.VirtualMachineScaleSet]]
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          raw_result = self._update_initial(
              resource_group_name=resource_group_name,
              vm_scale_set_name=vm_scale_set_name,
              parameters=parameters,
              custom_headers=custom_headers,
              raw=True,
              **operation_config
          )
  
          def get_long_running_output(response):
              deserialized = self._deserialize('VirtualMachineScaleSet', response)
  
              if raw:
                  client_raw_response = ClientRawResponse(deserialized, response)
                  return client_raw_response
  
              return deserialized
  
          lro_delay = operation_config.get(
              'long_running_operation_timeout',
              self.config.long_running_operation_timeout)
          if polling is True: polling_method = ARMPolling(lro_delay, **operation_config)
          elif polling is False: polling_method = NoPolling()
          else: polling_method = polling
          return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
      update.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}'}
  
  
      def _delete_initial(
              self, resource_group_name, vm_scale_set_name, custom_headers=None, raw=False, **operation_config):
          # Construct URL
          url = self.delete.metadata['url']
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
              'vmScaleSetName': self._serialize.url("vm_scale_set_name", vm_scale_set_name, 'str'),
              'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}
          query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
  
          # Construct headers
          header_parameters = {}
          if self.config.generate_client_request_id:
              header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
          if custom_headers:
              header_parameters.update(custom_headers)
          if self.config.accept_language is not None:
              header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
          # Construct and send request
          request = self._client.delete(url, query_parameters, header_parameters)
          response = self._client.send(request, stream=False, **operation_config)
  
          if response.status_code not in [200, 202, 204]:
              exp = CloudError(response)
              exp.request_id = response.headers.get('x-ms-request-id')
              raise exp
  
          if raw:
              client_raw_response = ClientRawResponse(None, response)
              return client_raw_response
  
      def delete(
              self, resource_group_name, vm_scale_set_name, custom_headers=None, raw=False, polling=True, **operation_config):
          """Deletes a VM scale set.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set.
          :type vm_scale_set_name: str
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: The poller return type is ClientRawResponse, the
           direct response alongside the deserialized response
          :param polling: True for ARMPolling, False for no polling, or a
           polling object for personal polling strategy
          :return: An instance of LROPoller that returns None or
           ClientRawResponse<None> if raw==True
          :rtype: ~msrestazure.azure_operation.AzureOperationPoller[None] or
           ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[None]]
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          raw_result = self._delete_initial(
              resource_group_name=resource_group_name,
              vm_scale_set_name=vm_scale_set_name,
              custom_headers=custom_headers,
              raw=True,
              **operation_config
          )
  
          def get_long_running_output(response):
              if raw:
                  client_raw_response = ClientRawResponse(None, response)
                  return client_raw_response
  
          lro_delay = operation_config.get(
              'long_running_operation_timeout',
              self.config.long_running_operation_timeout)
          if polling is True: polling_method = ARMPolling(lro_delay, **operation_config)
          elif polling is False: polling_method = NoPolling()
          else: polling_method = polling
          return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
      delete.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}'}
  
      def get(
              self, resource_group_name, vm_scale_set_name, custom_headers=None, raw=False, **operation_config):
          """Display information about a virtual machine scale set.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set.
          :type vm_scale_set_name: str
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: returns the direct response alongside the
           deserialized response
          :param operation_config: :ref:`Operation configuration
           overrides<msrest:optionsforoperations>`.
          :return: VirtualMachineScaleSet or ClientRawResponse if raw=true
          :rtype: ~azure.mgmt.compute.v2019_03_01.models.VirtualMachineScaleSet
           or ~msrest.pipeline.ClientRawResponse
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          # Construct URL
          url = self.get.metadata['url']
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
              'vmScaleSetName': self._serialize.url("vm_scale_set_name", vm_scale_set_name, 'str'),
              'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}
          query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
  
          # Construct headers
          header_parameters = {}
          header_parameters['Accept'] = 'application/json'
          if self.config.generate_client_request_id:
              header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
          if custom_headers:
              header_parameters.update(custom_headers)
          if self.config.accept_language is not None:
              header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
          # Construct and send request
          request = self._client.get(url, query_parameters, header_parameters)
          response = self._client.send(request, stream=False, **operation_config)
  
          if response.status_code not in [200]:
              exp = CloudError(response)
              exp.request_id = response.headers.get('x-ms-request-id')
              raise exp
  
          deserialized = None
          if response.status_code == 200:
              deserialized = self._deserialize('VirtualMachineScaleSet', response)
  
          if raw:
              client_raw_response = ClientRawResponse(deserialized, response)
              return client_raw_response
  
          return deserialized
      get.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}'}
  
  
      def _deallocate_initial(
              self, resource_group_name, vm_scale_set_name, instance_ids=None, custom_headers=None, raw=False, **operation_config):
          vm_instance_ids = None
          if instance_ids is not None:
              vm_instance_ids = models.VirtualMachineScaleSetVMInstanceIDs(instance_ids=instance_ids)
  
          # Construct URL
          url = self.deallocate.metadata['url']
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
              'vmScaleSetName': self._serialize.url("vm_scale_set_name", vm_scale_set_name, 'str'),
              'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}
          query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
  
          # Construct headers
          header_parameters = {}
          header_parameters['Content-Type'] = 'application/json; charset=utf-8'
          if self.config.generate_client_request_id:
              header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
          if custom_headers:
              header_parameters.update(custom_headers)
          if self.config.accept_language is not None:
              header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
          # Construct body
          if vm_instance_ids is not None:
              body_content = self._serialize.body(vm_instance_ids, 'VirtualMachineScaleSetVMInstanceIDs')
          else:
              body_content = None
  
          # Construct and send request
          request = self._client.post(url, query_parameters, header_parameters, body_content)
          response = self._client.send(request, stream=False, **operation_config)
  
          if response.status_code not in [200, 202]:
              exp = CloudError(response)
              exp.request_id = response.headers.get('x-ms-request-id')
              raise exp
  
          if raw:
              client_raw_response = ClientRawResponse(None, response)
              return client_raw_response
  
      def deallocate(
              self, resource_group_name, vm_scale_set_name, instance_ids=None, custom_headers=None, raw=False, polling=True, **operation_config):
          """Deallocates specific virtual machines in a VM scale set. Shuts down the
          virtual machines and releases the compute resources. You are not billed
          for the compute resources that this virtual machine scale set
          deallocates.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set.
          :type vm_scale_set_name: str
          :param instance_ids: The virtual machine scale set instance ids.
           Omitting the virtual machine scale set instance ids will result in the
           operation being performed on all virtual machines in the virtual
           machine scale set.
          :type instance_ids: list[str]
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: The poller return type is ClientRawResponse, the
           direct response alongside the deserialized response
          :param polling: True for ARMPolling, False for no polling, or a
           polling object for personal polling strategy
          :return: An instance of LROPoller that returns None or
           ClientRawResponse<None> if raw==True
          :rtype: ~msrestazure.azure_operation.AzureOperationPoller[None] or
           ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[None]]
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          raw_result = self._deallocate_initial(
              resource_group_name=resource_group_name,
              vm_scale_set_name=vm_scale_set_name,
              instance_ids=instance_ids,
              custom_headers=custom_headers,
              raw=True,
              **operation_config
          )
  
          def get_long_running_output(response):
              if raw:
                  client_raw_response = ClientRawResponse(None, response)
                  return client_raw_response
  
          lro_delay = operation_config.get(
              'long_running_operation_timeout',
              self.config.long_running_operation_timeout)
          if polling is True: polling_method = ARMPolling(lro_delay, **operation_config)
          elif polling is False: polling_method = NoPolling()
          else: polling_method = polling
          return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
      deallocate.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/deallocate'}
  
  
      def _delete_instances_initial(
              self, resource_group_name, vm_scale_set_name, instance_ids, custom_headers=None, raw=False, **operation_config):
          vm_instance_ids = models.VirtualMachineScaleSetVMInstanceRequiredIDs(instance_ids=instance_ids)
  
          # Construct URL
          url = self.delete_instances.metadata['url']
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
              'vmScaleSetName': self._serialize.url("vm_scale_set_name", vm_scale_set_name, 'str'),
              'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}
          query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
  
          # Construct headers
          header_parameters = {}
          header_parameters['Content-Type'] = 'application/json; charset=utf-8'
          if self.config.generate_client_request_id:
              header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
          if custom_headers:
              header_parameters.update(custom_headers)
          if self.config.accept_language is not None:
              header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
          # Construct body
          body_content = self._serialize.body(vm_instance_ids, 'VirtualMachineScaleSetVMInstanceRequiredIDs')
  
          # Construct and send request
          request = self._client.post(url, query_parameters, header_parameters, body_content)
          response = self._client.send(request, stream=False, **operation_config)
  
          if response.status_code not in [200, 202]:
              exp = CloudError(response)
              exp.request_id = response.headers.get('x-ms-request-id')
              raise exp
  
          if raw:
              client_raw_response = ClientRawResponse(None, response)
              return client_raw_response
  
      def delete_instances(
              self, resource_group_name, vm_scale_set_name, instance_ids, custom_headers=None, raw=False, polling=True, **operation_config):
          """Deletes virtual machines in a VM scale set.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set.
          :type vm_scale_set_name: str
          :param instance_ids: The virtual machine scale set instance ids.
          :type instance_ids: list[str]
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: The poller return type is ClientRawResponse, the
           direct response alongside the deserialized response
          :param polling: True for ARMPolling, False for no polling, or a
           polling object for personal polling strategy
          :return: An instance of LROPoller that returns None or
           ClientRawResponse<None> if raw==True
          :rtype: ~msrestazure.azure_operation.AzureOperationPoller[None] or
           ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[None]]
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          raw_result = self._delete_instances_initial(
              resource_group_name=resource_group_name,
              vm_scale_set_name=vm_scale_set_name,
              instance_ids=instance_ids,
              custom_headers=custom_headers,
              raw=True,
              **operation_config
          )
  
          def get_long_running_output(response):
              if raw:
                  client_raw_response = ClientRawResponse(None, response)
                  return client_raw_response
  
          lro_delay = operation_config.get(
              'long_running_operation_timeout',
              self.config.long_running_operation_timeout)
          if polling is True: polling_method = ARMPolling(lro_delay, **operation_config)
          elif polling is False: polling_method = NoPolling()
          else: polling_method = polling
          return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
      delete_instances.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/delete'}
  
      def get_instance_view(
              self, resource_group_name, vm_scale_set_name, custom_headers=None, raw=False, **operation_config):
          """Gets the status of a VM scale set instance.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set.
          :type vm_scale_set_name: str
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: returns the direct response alongside the
           deserialized response
          :param operation_config: :ref:`Operation configuration
           overrides<msrest:optionsforoperations>`.
          :return: VirtualMachineScaleSetInstanceView or ClientRawResponse if
           raw=true
          :rtype:
           ~azure.mgmt.compute.v2019_03_01.models.VirtualMachineScaleSetInstanceView
           or ~msrest.pipeline.ClientRawResponse
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          # Construct URL
          url = self.get_instance_view.metadata['url']
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
              'vmScaleSetName': self._serialize.url("vm_scale_set_name", vm_scale_set_name, 'str'),
              'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}
          query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
  
          # Construct headers
          header_parameters = {}
          header_parameters['Accept'] = 'application/json'
          if self.config.generate_client_request_id:
              header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
          if custom_headers:
              header_parameters.update(custom_headers)
          if self.config.accept_language is not None:
              header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
          # Construct and send request
          request = self._client.get(url, query_parameters, header_parameters)
          response = self._client.send(request, stream=False, **operation_config)
  
          if response.status_code not in [200]:
              exp = CloudError(response)
              exp.request_id = response.headers.get('x-ms-request-id')
              raise exp
  
          deserialized = None
          if response.status_code == 200:
              deserialized = self._deserialize('VirtualMachineScaleSetInstanceView', response)
  
          if raw:
              client_raw_response = ClientRawResponse(deserialized, response)
              return client_raw_response
  
          return deserialized
      get_instance_view.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/instanceView'}
  
      def list(
              self, resource_group_name, custom_headers=None, raw=False, **operation_config):
          """Gets a list of all VM scale sets under a resource group.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: returns the direct response alongside the
           deserialized response
          :param operation_config: :ref:`Operation configuration
           overrides<msrest:optionsforoperations>`.
          :return: An iterator like instance of VirtualMachineScaleSet
          :rtype:
           ~azure.mgmt.compute.v2019_03_01.models.VirtualMachineScaleSetPaged[~azure.mgmt.compute.v2019_03_01.models.VirtualMachineScaleSet]
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          def prepare_request(next_link=None):
              if not next_link:
                  # Construct URL
                  url = self.list.metadata['url']
                  path_format_arguments = {
                      'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
                      'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
                  }
                  url = self._client.format_url(url, **path_format_arguments)
  
                  # Construct parameters
                  query_parameters = {}
                  query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
  
              else:
                  url = next_link
                  query_parameters = {}
  
              # Construct headers
              header_parameters = {}
              header_parameters['Accept'] = 'application/json'
              if self.config.generate_client_request_id:
                  header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
              if custom_headers:
                  header_parameters.update(custom_headers)
              if self.config.accept_language is not None:
                  header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
              # Construct and send request
              request = self._client.get(url, query_parameters, header_parameters)
              return request
  
          def internal_paging(next_link=None):
              request = prepare_request(next_link)
  
              response = self._client.send(request, stream=False, **operation_config)
  
              if response.status_code not in [200]:
                  exp = CloudError(response)
                  exp.request_id = response.headers.get('x-ms-request-id')
                  raise exp
  
              return response
  
          # Deserialize response
          header_dict = None
          if raw:
              header_dict = {}
          deserialized = models.VirtualMachineScaleSetPaged(internal_paging, self._deserialize.dependencies, header_dict)
  
          return deserialized
      list.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets'}
  
      def list_all(
              self, custom_headers=None, raw=False, **operation_config):
          """Gets a list of all VM Scale Sets in the subscription, regardless of the
          associated resource group. Use nextLink property in the response to get
          the next page of VM Scale Sets. Do this till nextLink is null to fetch
          all the VM Scale Sets.
  
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: returns the direct response alongside the
           deserialized response
          :param operation_config: :ref:`Operation configuration
           overrides<msrest:optionsforoperations>`.
          :return: An iterator like instance of VirtualMachineScaleSet
          :rtype:
           ~azure.mgmt.compute.v2019_03_01.models.VirtualMachineScaleSetPaged[~azure.mgmt.compute.v2019_03_01.models.VirtualMachineScaleSet]
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          def prepare_request(next_link=None):
              if not next_link:
                  # Construct URL
                  url = self.list_all.metadata['url']
                  path_format_arguments = {
                      'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
                  }
                  url = self._client.format_url(url, **path_format_arguments)
  
                  # Construct parameters
                  query_parameters = {}
                  query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
  
              else:
                  url = next_link
                  query_parameters = {}
  
              # Construct headers
              header_parameters = {}
              header_parameters['Accept'] = 'application/json'
              if self.config.generate_client_request_id:
                  header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
              if custom_headers:
                  header_parameters.update(custom_headers)
              if self.config.accept_language is not None:
                  header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
              # Construct and send request
              request = self._client.get(url, query_parameters, header_parameters)
              return request
  
          def internal_paging(next_link=None):
              request = prepare_request(next_link)
  
              response = self._client.send(request, stream=False, **operation_config)
  
              if response.status_code not in [200]:
                  exp = CloudError(response)
                  exp.request_id = response.headers.get('x-ms-request-id')
                  raise exp
  
              return response
  
          # Deserialize response
          header_dict = None
          if raw:
              header_dict = {}
          deserialized = models.VirtualMachineScaleSetPaged(internal_paging, self._deserialize.dependencies, header_dict)
  
          return deserialized
      list_all.metadata = {'url': '/subscriptions/{subscriptionId}/providers/Microsoft.Compute/virtualMachineScaleSets'}
  
      def list_skus(
              self, resource_group_name, vm_scale_set_name, custom_headers=None, raw=False, **operation_config):
          """Gets a list of SKUs available for your VM scale set, including the
          minimum and maximum VM instances allowed for each SKU.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set.
          :type vm_scale_set_name: str
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: returns the direct response alongside the
           deserialized response
          :param operation_config: :ref:`Operation configuration
           overrides<msrest:optionsforoperations>`.
          :return: An iterator like instance of VirtualMachineScaleSetSku
          :rtype:
           ~azure.mgmt.compute.v2019_03_01.models.VirtualMachineScaleSetSkuPaged[~azure.mgmt.compute.v2019_03_01.models.VirtualMachineScaleSetSku]
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          def prepare_request(next_link=None):
              if not next_link:
                  # Construct URL
                  url = self.list_skus.metadata['url']
                  path_format_arguments = {
                      'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
                      'vmScaleSetName': self._serialize.url("vm_scale_set_name", vm_scale_set_name, 'str'),
                      'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
                  }
                  url = self._client.format_url(url, **path_format_arguments)
  
                  # Construct parameters
                  query_parameters = {}
                  query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
  
              else:
                  url = next_link
                  query_parameters = {}
  
              # Construct headers
              header_parameters = {}
              header_parameters['Accept'] = 'application/json'
              if self.config.generate_client_request_id:
                  header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
              if custom_headers:
                  header_parameters.update(custom_headers)
              if self.config.accept_language is not None:
                  header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
              # Construct and send request
              request = self._client.get(url, query_parameters, header_parameters)
              return request
  
          def internal_paging(next_link=None):
              request = prepare_request(next_link)
  
              response = self._client.send(request, stream=False, **operation_config)
  
              if response.status_code not in [200]:
                  exp = CloudError(response)
                  exp.request_id = response.headers.get('x-ms-request-id')
                  raise exp
  
              return response
  
          # Deserialize response
          header_dict = None
          if raw:
              header_dict = {}
          deserialized = models.VirtualMachineScaleSetSkuPaged(internal_paging, self._deserialize.dependencies, header_dict)
  
          return deserialized
      list_skus.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/skus'}
  
      def get_os_upgrade_history(
              self, resource_group_name, vm_scale_set_name, custom_headers=None, raw=False, **operation_config):
          """Gets list of OS upgrades on a VM scale set instance.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set.
          :type vm_scale_set_name: str
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: returns the direct response alongside the
           deserialized response
          :param operation_config: :ref:`Operation configuration
           overrides<msrest:optionsforoperations>`.
          :return: An iterator like instance of
           UpgradeOperationHistoricalStatusInfo
          :rtype:
           ~azure.mgmt.compute.v2019_03_01.models.UpgradeOperationHistoricalStatusInfoPaged[~azure.mgmt.compute.v2019_03_01.models.UpgradeOperationHistoricalStatusInfo]
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          def prepare_request(next_link=None):
              if not next_link:
                  # Construct URL
                  url = self.get_os_upgrade_history.metadata['url']
                  path_format_arguments = {
                      'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
                      'vmScaleSetName': self._serialize.url("vm_scale_set_name", vm_scale_set_name, 'str'),
                      'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
                  }
                  url = self._client.format_url(url, **path_format_arguments)
  
                  # Construct parameters
                  query_parameters = {}
                  query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
  
              else:
                  url = next_link
                  query_parameters = {}
  
              # Construct headers
              header_parameters = {}
              header_parameters['Accept'] = 'application/json'
              if self.config.generate_client_request_id:
                  header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
              if custom_headers:
                  header_parameters.update(custom_headers)
              if self.config.accept_language is not None:
                  header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
              # Construct and send request
              request = self._client.get(url, query_parameters, header_parameters)
              return request
  
          def internal_paging(next_link=None):
              request = prepare_request(next_link)
  
              response = self._client.send(request, stream=False, **operation_config)
  
              if response.status_code not in [200]:
                  exp = CloudError(response)
                  exp.request_id = response.headers.get('x-ms-request-id')
                  raise exp
  
              return response
  
          # Deserialize response
          header_dict = None
          if raw:
              header_dict = {}
          deserialized = models.UpgradeOperationHistoricalStatusInfoPaged(internal_paging, self._deserialize.dependencies, header_dict)
  
          return deserialized
      get_os_upgrade_history.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/osUpgradeHistory'}
  
  
      def _power_off_initial(
              self, resource_group_name, vm_scale_set_name, skip_shutdown=False, instance_ids=None, custom_headers=None, raw=False, **operation_config):
          vm_instance_ids = None
          if instance_ids is not None:
              vm_instance_ids = models.VirtualMachineScaleSetVMInstanceIDs(instance_ids=instance_ids)
  
          # Construct URL
          url = self.power_off.metadata['url']
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
              'vmScaleSetName': self._serialize.url("vm_scale_set_name", vm_scale_set_name, 'str'),
              'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}
          if skip_shutdown is not None:
              query_parameters['skipShutdown'] = self._serialize.query("skip_shutdown", skip_shutdown, 'bool')
          query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
  
          # Construct headers
          header_parameters = {}
          header_parameters['Content-Type'] = 'application/json; charset=utf-8'
          if self.config.generate_client_request_id:
              header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
          if custom_headers:
              header_parameters.update(custom_headers)
          if self.config.accept_language is not None:
              header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
          # Construct body
          if vm_instance_ids is not None:
              body_content = self._serialize.body(vm_instance_ids, 'VirtualMachineScaleSetVMInstanceIDs')
          else:
              body_content = None
  
          # Construct and send request
          request = self._client.post(url, query_parameters, header_parameters, body_content)
          response = self._client.send(request, stream=False, **operation_config)
  
          if response.status_code not in [200, 202]:
              exp = CloudError(response)
              exp.request_id = response.headers.get('x-ms-request-id')
              raise exp
  
          if raw:
              client_raw_response = ClientRawResponse(None, response)
              return client_raw_response
  
      def power_off(
              self, resource_group_name, vm_scale_set_name, skip_shutdown=False, instance_ids=None, custom_headers=None, raw=False, polling=True, **operation_config):
          """Power off (stop) one or more virtual machines in a VM scale set. Note
          that resources are still attached and you are getting charged for the
          resources. Instead, use deallocate to release resources and avoid
          charges.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set.
          :type vm_scale_set_name: str
          :param skip_shutdown: The parameter to request non-graceful VM
           shutdown. True value for this flag indicates non-graceful shutdown
           whereas false indicates otherwise. Default value for this flag is
           false if not specified
          :type skip_shutdown: bool
          :param instance_ids: The virtual machine scale set instance ids.
           Omitting the virtual machine scale set instance ids will result in the
           operation being performed on all virtual machines in the virtual
           machine scale set.
          :type instance_ids: list[str]
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: The poller return type is ClientRawResponse, the
           direct response alongside the deserialized response
          :param polling: True for ARMPolling, False for no polling, or a
           polling object for personal polling strategy
          :return: An instance of LROPoller that returns None or
           ClientRawResponse<None> if raw==True
          :rtype: ~msrestazure.azure_operation.AzureOperationPoller[None] or
           ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[None]]
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          raw_result = self._power_off_initial(
              resource_group_name=resource_group_name,
              vm_scale_set_name=vm_scale_set_name,
              skip_shutdown=skip_shutdown,
              instance_ids=instance_ids,
              custom_headers=custom_headers,
              raw=True,
              **operation_config
          )
  
          def get_long_running_output(response):
              if raw:
                  client_raw_response = ClientRawResponse(None, response)
                  return client_raw_response
  
          lro_delay = operation_config.get(
              'long_running_operation_timeout',
              self.config.long_running_operation_timeout)
          if polling is True: polling_method = ARMPolling(lro_delay, **operation_config)
          elif polling is False: polling_method = NoPolling()
          else: polling_method = polling
          return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
      power_off.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/poweroff'}
  
  
      def _restart_initial(
              self, resource_group_name, vm_scale_set_name, instance_ids=None, custom_headers=None, raw=False, **operation_config):
          vm_instance_ids = None
          if instance_ids is not None:
              vm_instance_ids = models.VirtualMachineScaleSetVMInstanceIDs(instance_ids=instance_ids)
  
          # Construct URL
          url = self.restart.metadata['url']
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
              'vmScaleSetName': self._serialize.url("vm_scale_set_name", vm_scale_set_name, 'str'),
              'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}
          query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
  
          # Construct headers
          header_parameters = {}
          header_parameters['Content-Type'] = 'application/json; charset=utf-8'
          if self.config.generate_client_request_id:
              header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
          if custom_headers:
              header_parameters.update(custom_headers)
          if self.config.accept_language is not None:
              header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
          # Construct body
          if vm_instance_ids is not None:
              body_content = self._serialize.body(vm_instance_ids, 'VirtualMachineScaleSetVMInstanceIDs')
          else:
              body_content = None
  
          # Construct and send request
          request = self._client.post(url, query_parameters, header_parameters, body_content)
          response = self._client.send(request, stream=False, **operation_config)
  
          if response.status_code not in [200, 202]:
              exp = CloudError(response)
              exp.request_id = response.headers.get('x-ms-request-id')
              raise exp
  
          if raw:
              client_raw_response = ClientRawResponse(None, response)
              return client_raw_response
  
      def restart(
              self, resource_group_name, vm_scale_set_name, instance_ids=None, custom_headers=None, raw=False, polling=True, **operation_config):
          """Restarts one or more virtual machines in a VM scale set.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set.
          :type vm_scale_set_name: str
          :param instance_ids: The virtual machine scale set instance ids.
           Omitting the virtual machine scale set instance ids will result in the
           operation being performed on all virtual machines in the virtual
           machine scale set.
          :type instance_ids: list[str]
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: The poller return type is ClientRawResponse, the
           direct response alongside the deserialized response
          :param polling: True for ARMPolling, False for no polling, or a
           polling object for personal polling strategy
          :return: An instance of LROPoller that returns None or
           ClientRawResponse<None> if raw==True
          :rtype: ~msrestazure.azure_operation.AzureOperationPoller[None] or
           ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[None]]
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          raw_result = self._restart_initial(
              resource_group_name=resource_group_name,
              vm_scale_set_name=vm_scale_set_name,
              instance_ids=instance_ids,
              custom_headers=custom_headers,
              raw=True,
              **operation_config
          )
  
          def get_long_running_output(response):
              if raw:
                  client_raw_response = ClientRawResponse(None, response)
                  return client_raw_response
  
          lro_delay = operation_config.get(
              'long_running_operation_timeout',
              self.config.long_running_operation_timeout)
          if polling is True: polling_method = ARMPolling(lro_delay, **operation_config)
          elif polling is False: polling_method = NoPolling()
          else: polling_method = polling
          return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
      restart.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/restart'}
  
  
      def _start_initial(
              self, resource_group_name, vm_scale_set_name, instance_ids=None, custom_headers=None, raw=False, **operation_config):
          vm_instance_ids = None
          if instance_ids is not None:
              vm_instance_ids = models.VirtualMachineScaleSetVMInstanceIDs(instance_ids=instance_ids)
  
          # Construct URL
          url = self.start.metadata['url']
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
              'vmScaleSetName': self._serialize.url("vm_scale_set_name", vm_scale_set_name, 'str'),
              'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}
          query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
  
          # Construct headers
          header_parameters = {}
          header_parameters['Content-Type'] = 'application/json; charset=utf-8'
          if self.config.generate_client_request_id:
              header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
          if custom_headers:
              header_parameters.update(custom_headers)
          if self.config.accept_language is not None:
              header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
          # Construct body
          if vm_instance_ids is not None:
              body_content = self._serialize.body(vm_instance_ids, 'VirtualMachineScaleSetVMInstanceIDs')
          else:
              body_content = None
  
          # Construct and send request
          request = self._client.post(url, query_parameters, header_parameters, body_content)
          response = self._client.send(request, stream=False, **operation_config)
  
          if response.status_code not in [200, 202]:
              exp = CloudError(response)
              exp.request_id = response.headers.get('x-ms-request-id')
              raise exp
  
          if raw:
              client_raw_response = ClientRawResponse(None, response)
              return client_raw_response
  
      def start(
              self, resource_group_name, vm_scale_set_name, instance_ids=None, custom_headers=None, raw=False, polling=True, **operation_config):
          """Starts one or more virtual machines in a VM scale set.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set.
          :type vm_scale_set_name: str
          :param instance_ids: The virtual machine scale set instance ids.
           Omitting the virtual machine scale set instance ids will result in the
           operation being performed on all virtual machines in the virtual
           machine scale set.
          :type instance_ids: list[str]
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: The poller return type is ClientRawResponse, the
           direct response alongside the deserialized response
          :param polling: True for ARMPolling, False for no polling, or a
           polling object for personal polling strategy
          :return: An instance of LROPoller that returns None or
           ClientRawResponse<None> if raw==True
          :rtype: ~msrestazure.azure_operation.AzureOperationPoller[None] or
           ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[None]]
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          raw_result = self._start_initial(
              resource_group_name=resource_group_name,
              vm_scale_set_name=vm_scale_set_name,
              instance_ids=instance_ids,
              custom_headers=custom_headers,
              raw=True,
              **operation_config
          )
  
          def get_long_running_output(response):
              if raw:
                  client_raw_response = ClientRawResponse(None, response)
                  return client_raw_response
  
          lro_delay = operation_config.get(
              'long_running_operation_timeout',
              self.config.long_running_operation_timeout)
          if polling is True: polling_method = ARMPolling(lro_delay, **operation_config)
          elif polling is False: polling_method = NoPolling()
          else: polling_method = polling
          return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
      start.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/start'}
  
  
      def _redeploy_initial(
              self, resource_group_name, vm_scale_set_name, instance_ids=None, custom_headers=None, raw=False, **operation_config):
          vm_instance_ids = None
          if instance_ids is not None:
              vm_instance_ids = models.VirtualMachineScaleSetVMInstanceIDs(instance_ids=instance_ids)
  
          # Construct URL
          url = self.redeploy.metadata['url']
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
              'vmScaleSetName': self._serialize.url("vm_scale_set_name", vm_scale_set_name, 'str'),
              'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}
          query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
  
          # Construct headers
          header_parameters = {}
          header_parameters['Content-Type'] = 'application/json; charset=utf-8'
          if self.config.generate_client_request_id:
              header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
          if custom_headers:
              header_parameters.update(custom_headers)
          if self.config.accept_language is not None:
              header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
          # Construct body
          if vm_instance_ids is not None:
              body_content = self._serialize.body(vm_instance_ids, 'VirtualMachineScaleSetVMInstanceIDs')
          else:
              body_content = None
  
          # Construct and send request
          request = self._client.post(url, query_parameters, header_parameters, body_content)
          response = self._client.send(request, stream=False, **operation_config)
  
          if response.status_code not in [200, 202]:
              exp = CloudError(response)
              exp.request_id = response.headers.get('x-ms-request-id')
              raise exp
  
          if raw:
              client_raw_response = ClientRawResponse(None, response)
              return client_raw_response
  
      def redeploy(
              self, resource_group_name, vm_scale_set_name, instance_ids=None, custom_headers=None, raw=False, polling=True, **operation_config):
          """Shuts down all the virtual machines in the virtual machine scale set,
          moves them to a new node, and powers them back on.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set.
          :type vm_scale_set_name: str
          :param instance_ids: The virtual machine scale set instance ids.
           Omitting the virtual machine scale set instance ids will result in the
           operation being performed on all virtual machines in the virtual
           machine scale set.
          :type instance_ids: list[str]
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: The poller return type is ClientRawResponse, the
           direct response alongside the deserialized response
          :param polling: True for ARMPolling, False for no polling, or a
           polling object for personal polling strategy
          :return: An instance of LROPoller that returns None or
           ClientRawResponse<None> if raw==True
          :rtype: ~msrestazure.azure_operation.AzureOperationPoller[None] or
           ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[None]]
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          raw_result = self._redeploy_initial(
              resource_group_name=resource_group_name,
              vm_scale_set_name=vm_scale_set_name,
              instance_ids=instance_ids,
              custom_headers=custom_headers,
              raw=True,
              **operation_config
          )
  
          def get_long_running_output(response):
              if raw:
                  client_raw_response = ClientRawResponse(None, response)
                  return client_raw_response
  
          lro_delay = operation_config.get(
              'long_running_operation_timeout',
              self.config.long_running_operation_timeout)
          if polling is True: polling_method = ARMPolling(lro_delay, **operation_config)
          elif polling is False: polling_method = NoPolling()
          else: polling_method = polling
          return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
      redeploy.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/redeploy'}
  
  
      def _perform_maintenance_initial(
              self, resource_group_name, vm_scale_set_name, instance_ids=None, custom_headers=None, raw=False, **operation_config):
          vm_instance_ids = None
          if instance_ids is not None:
              vm_instance_ids = models.VirtualMachineScaleSetVMInstanceIDs(instance_ids=instance_ids)
  
          # Construct URL
          url = self.perform_maintenance.metadata['url']
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
              'vmScaleSetName': self._serialize.url("vm_scale_set_name", vm_scale_set_name, 'str'),
              'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}
          query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
  
          # Construct headers
          header_parameters = {}
          header_parameters['Content-Type'] = 'application/json; charset=utf-8'
          if self.config.generate_client_request_id:
              header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
          if custom_headers:
              header_parameters.update(custom_headers)
          if self.config.accept_language is not None:
              header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
          # Construct body
          if vm_instance_ids is not None:
              body_content = self._serialize.body(vm_instance_ids, 'VirtualMachineScaleSetVMInstanceIDs')
          else:
              body_content = None
  
          # Construct and send request
          request = self._client.post(url, query_parameters, header_parameters, body_content)
          response = self._client.send(request, stream=False, **operation_config)
  
          if response.status_code not in [200, 202]:
              exp = CloudError(response)
              exp.request_id = response.headers.get('x-ms-request-id')
              raise exp
  
          if raw:
              client_raw_response = ClientRawResponse(None, response)
              return client_raw_response
  
      def perform_maintenance(
              self, resource_group_name, vm_scale_set_name, instance_ids=None, custom_headers=None, raw=False, polling=True, **operation_config):
          """Perform maintenance on one or more virtual machines in a VM scale set.
          Operation on instances which are not eligible for perform maintenance
          will be failed. Please refer to best practices for more details:
          https://docs.microsoft.com/en-us/azure/virtual-machine-scale-sets/virtual-machine-scale-sets-maintenance-notifications.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set.
          :type vm_scale_set_name: str
          :param instance_ids: The virtual machine scale set instance ids.
           Omitting the virtual machine scale set instance ids will result in the
           operation being performed on all virtual machines in the virtual
           machine scale set.
          :type instance_ids: list[str]
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: The poller return type is ClientRawResponse, the
           direct response alongside the deserialized response
          :param polling: True for ARMPolling, False for no polling, or a
           polling object for personal polling strategy
          :return: An instance of LROPoller that returns None or
           ClientRawResponse<None> if raw==True
          :rtype: ~msrestazure.azure_operation.AzureOperationPoller[None] or
           ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[None]]
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          raw_result = self._perform_maintenance_initial(
              resource_group_name=resource_group_name,
              vm_scale_set_name=vm_scale_set_name,
              instance_ids=instance_ids,
              custom_headers=custom_headers,
              raw=True,
              **operation_config
          )
  
          def get_long_running_output(response):
              if raw:
                  client_raw_response = ClientRawResponse(None, response)
                  return client_raw_response
  
          lro_delay = operation_config.get(
              'long_running_operation_timeout',
              self.config.long_running_operation_timeout)
          if polling is True: polling_method = ARMPolling(lro_delay, **operation_config)
          elif polling is False: polling_method = NoPolling()
          else: polling_method = polling
          return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
      perform_maintenance.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/performMaintenance'}
  
  
      def _update_instances_initial(
              self, resource_group_name, vm_scale_set_name, instance_ids, custom_headers=None, raw=False, **operation_config):
          vm_instance_ids = models.VirtualMachineScaleSetVMInstanceRequiredIDs(instance_ids=instance_ids)
  
          # Construct URL
          url = self.update_instances.metadata['url']
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
              'vmScaleSetName': self._serialize.url("vm_scale_set_name", vm_scale_set_name, 'str'),
              'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}
          query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
  
          # Construct headers
          header_parameters = {}
          header_parameters['Content-Type'] = 'application/json; charset=utf-8'
          if self.config.generate_client_request_id:
              header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
          if custom_headers:
              header_parameters.update(custom_headers)
          if self.config.accept_language is not None:
              header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
          # Construct body
          body_content = self._serialize.body(vm_instance_ids, 'VirtualMachineScaleSetVMInstanceRequiredIDs')
  
          # Construct and send request
          request = self._client.post(url, query_parameters, header_parameters, body_content)
          response = self._client.send(request, stream=False, **operation_config)
  
          if response.status_code not in [200, 202]:
              exp = CloudError(response)
              exp.request_id = response.headers.get('x-ms-request-id')
              raise exp
  
          if raw:
              client_raw_response = ClientRawResponse(None, response)
              return client_raw_response
  
      def update_instances(
              self, resource_group_name, vm_scale_set_name, instance_ids, custom_headers=None, raw=False, polling=True, **operation_config):
          """Upgrades one or more virtual machines to the latest SKU set in the VM
          scale set model.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set.
          :type vm_scale_set_name: str
          :param instance_ids: The virtual machine scale set instance ids.
          :type instance_ids: list[str]
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: The poller return type is ClientRawResponse, the
           direct response alongside the deserialized response
          :param polling: True for ARMPolling, False for no polling, or a
           polling object for personal polling strategy
          :return: An instance of LROPoller that returns None or
           ClientRawResponse<None> if raw==True
          :rtype: ~msrestazure.azure_operation.AzureOperationPoller[None] or
           ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[None]]
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          raw_result = self._update_instances_initial(
              resource_group_name=resource_group_name,
              vm_scale_set_name=vm_scale_set_name,
              instance_ids=instance_ids,
              custom_headers=custom_headers,
              raw=True,
              **operation_config
          )
  
          def get_long_running_output(response):
              if raw:
                  client_raw_response = ClientRawResponse(None, response)
                  return client_raw_response
  
          lro_delay = operation_config.get(
              'long_running_operation_timeout',
              self.config.long_running_operation_timeout)
          if polling is True: polling_method = ARMPolling(lro_delay, **operation_config)
          elif polling is False: polling_method = NoPolling()
          else: polling_method = polling
          return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
      update_instances.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/manualupgrade'}
  
  
      def _reimage_initial(
              self, resource_group_name, vm_scale_set_name, temp_disk=None, instance_ids=None, custom_headers=None, raw=False, **operation_config):
          vm_scale_set_reimage_input = None
          if temp_disk is not None or instance_ids is not None:
              vm_scale_set_reimage_input = models.VirtualMachineScaleSetReimageParameters(temp_disk=temp_disk, instance_ids=instance_ids)
  
          # Construct URL
          url = self.reimage.metadata['url']
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
              'vmScaleSetName': self._serialize.url("vm_scale_set_name", vm_scale_set_name, 'str'),
              'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}
          query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
  
          # Construct headers
          header_parameters = {}
          header_parameters['Content-Type'] = 'application/json; charset=utf-8'
          if self.config.generate_client_request_id:
              header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
          if custom_headers:
              header_parameters.update(custom_headers)
          if self.config.accept_language is not None:
              header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
          # Construct body
          if vm_scale_set_reimage_input is not None:
              body_content = self._serialize.body(vm_scale_set_reimage_input, 'VirtualMachineScaleSetReimageParameters')
          else:
              body_content = None
  
          # Construct and send request
          request = self._client.post(url, query_parameters, header_parameters, body_content)
          response = self._client.send(request, stream=False, **operation_config)
  
          if response.status_code not in [200, 202]:
              exp = CloudError(response)
              exp.request_id = response.headers.get('x-ms-request-id')
              raise exp
  
          if raw:
              client_raw_response = ClientRawResponse(None, response)
              return client_raw_response
  
      def reimage(
              self, resource_group_name, vm_scale_set_name, temp_disk=None, instance_ids=None, custom_headers=None, raw=False, polling=True, **operation_config):
          """Reimages (upgrade the operating system) one or more virtual machines in
          a VM scale set which don't have a ephemeral OS disk, for virtual
          machines who have a ephemeral OS disk the virtual machine is reset to
          initial state.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set.
          :type vm_scale_set_name: str
          :param temp_disk: Specifies whether to reimage temp disk. Default
           value: false. Note: This temp disk reimage parameter is only supported
           for VM/VMSS with Ephemeral OS disk.
          :type temp_disk: bool
          :param instance_ids: The virtual machine scale set instance ids.
           Omitting the virtual machine scale set instance ids will result in the
           operation being performed on all virtual machines in the virtual
           machine scale set.
          :type instance_ids: list[str]
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: The poller return type is ClientRawResponse, the
           direct response alongside the deserialized response
          :param polling: True for ARMPolling, False for no polling, or a
           polling object for personal polling strategy
          :return: An instance of LROPoller that returns None or
           ClientRawResponse<None> if raw==True
          :rtype: ~msrestazure.azure_operation.AzureOperationPoller[None] or
           ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[None]]
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          raw_result = self._reimage_initial(
              resource_group_name=resource_group_name,
              vm_scale_set_name=vm_scale_set_name,
              temp_disk=temp_disk,
              instance_ids=instance_ids,
              custom_headers=custom_headers,
              raw=True,
              **operation_config
          )
  
          def get_long_running_output(response):
              if raw:
                  client_raw_response = ClientRawResponse(None, response)
                  return client_raw_response
  
          lro_delay = operation_config.get(
              'long_running_operation_timeout',
              self.config.long_running_operation_timeout)
          if polling is True: polling_method = ARMPolling(lro_delay, **operation_config)
          elif polling is False: polling_method = NoPolling()
          else: polling_method = polling
          return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
      reimage.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/reimage'}
  
  
      def _reimage_all_initial(
              self, resource_group_name, vm_scale_set_name, instance_ids=None, custom_headers=None, raw=False, **operation_config):
          vm_instance_ids = None
          if instance_ids is not None:
              vm_instance_ids = models.VirtualMachineScaleSetVMInstanceIDs(instance_ids=instance_ids)
  
          # Construct URL
          url = self.reimage_all.metadata['url']
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
              'vmScaleSetName': self._serialize.url("vm_scale_set_name", vm_scale_set_name, 'str'),
              'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}
          query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
  
          # Construct headers
          header_parameters = {}
          header_parameters['Content-Type'] = 'application/json; charset=utf-8'
          if self.config.generate_client_request_id:
              header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
          if custom_headers:
              header_parameters.update(custom_headers)
          if self.config.accept_language is not None:
              header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
          # Construct body
          if vm_instance_ids is not None:
              body_content = self._serialize.body(vm_instance_ids, 'VirtualMachineScaleSetVMInstanceIDs')
          else:
              body_content = None
  
          # Construct and send request
          request = self._client.post(url, query_parameters, header_parameters, body_content)
          response = self._client.send(request, stream=False, **operation_config)
  
          if response.status_code not in [200, 202]:
              exp = CloudError(response)
              exp.request_id = response.headers.get('x-ms-request-id')
              raise exp
  
          if raw:
              client_raw_response = ClientRawResponse(None, response)
              return client_raw_response
  
      def reimage_all(
              self, resource_group_name, vm_scale_set_name, instance_ids=None, custom_headers=None, raw=False, polling=True, **operation_config):
          """Reimages all the disks ( including data disks ) in the virtual machines
          in a VM scale set. This operation is only supported for managed disks.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set.
          :type vm_scale_set_name: str
          :param instance_ids: The virtual machine scale set instance ids.
           Omitting the virtual machine scale set instance ids will result in the
           operation being performed on all virtual machines in the virtual
           machine scale set.
          :type instance_ids: list[str]
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: The poller return type is ClientRawResponse, the
           direct response alongside the deserialized response
          :param polling: True for ARMPolling, False for no polling, or a
           polling object for personal polling strategy
          :return: An instance of LROPoller that returns None or
           ClientRawResponse<None> if raw==True
          :rtype: ~msrestazure.azure_operation.AzureOperationPoller[None] or
           ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[None]]
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          raw_result = self._reimage_all_initial(
              resource_group_name=resource_group_name,
              vm_scale_set_name=vm_scale_set_name,
              instance_ids=instance_ids,
              custom_headers=custom_headers,
              raw=True,
              **operation_config
          )
  
          def get_long_running_output(response):
              if raw:
                  client_raw_response = ClientRawResponse(None, response)
                  return client_raw_response
  
          lro_delay = operation_config.get(
              'long_running_operation_timeout',
              self.config.long_running_operation_timeout)
          if polling is True: polling_method = ARMPolling(lro_delay, **operation_config)
          elif polling is False: polling_method = NoPolling()
          else: polling_method = polling
          return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
      reimage_all.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/reimageall'}
  
      def force_recovery_service_fabric_platform_update_domain_walk(
              self, resource_group_name, vm_scale_set_name, platform_update_domain, custom_headers=None, raw=False, **operation_config):
          """Manual platform update domain walk to update virtual machines in a
          service fabric virtual machine scale set.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set.
          :type vm_scale_set_name: str
          :param platform_update_domain: The platform update domain for which a
           manual recovery walk is requested
          :type platform_update_domain: int
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: returns the direct response alongside the
           deserialized response
          :param operation_config: :ref:`Operation configuration
           overrides<msrest:optionsforoperations>`.
          :return: RecoveryWalkResponse or ClientRawResponse if raw=true
          :rtype: ~azure.mgmt.compute.v2019_03_01.models.RecoveryWalkResponse or
           ~msrest.pipeline.ClientRawResponse
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          # Construct URL
          url = self.force_recovery_service_fabric_platform_update_domain_walk.metadata['url']
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
              'vmScaleSetName': self._serialize.url("vm_scale_set_name", vm_scale_set_name, 'str'),
              'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}
          query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
          query_parameters['platformUpdateDomain'] = self._serialize.query("platform_update_domain", platform_update_domain, 'int')
  
          # Construct headers
          header_parameters = {}
          header_parameters['Accept'] = 'application/json'
          if self.config.generate_client_request_id:
              header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
          if custom_headers:
              header_parameters.update(custom_headers)
          if self.config.accept_language is not None:
              header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
          # Construct and send request
          request = self._client.post(url, query_parameters, header_parameters)
          response = self._client.send(request, stream=False, **operation_config)
  
          if response.status_code not in [200]:
              exp = CloudError(response)
              exp.request_id = response.headers.get('x-ms-request-id')
              raise exp
  
          deserialized = None
          if response.status_code == 200:
              deserialized = self._deserialize('RecoveryWalkResponse', response)
  
          if raw:
              client_raw_response = ClientRawResponse(deserialized, response)
              return client_raw_response
  
          return deserialized
      force_recovery_service_fabric_platform_update_domain_walk.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/forceRecoveryServiceFabricPlatformUpdateDomainWalk'}
  
      def convert_to_single_placement_group(
              self, resource_group_name, vm_scale_set_name, active_placement_group_id=None, custom_headers=None, raw=False, **operation_config):
          """Converts SinglePlacementGroup property to false for a existing virtual
          machine scale set.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the virtual machine scale set to
           create or update.
          :type vm_scale_set_name: str
          :param active_placement_group_id: Id of the placement group in which
           you want future virtual machine instances to be placed. To query
           placement group Id, please use Virtual Machine Scale Set VMs - Get
           API. If not provided, the platform will choose one with maximum number
           of virtual machine instances.
          :type active_placement_group_id: str
          :param dict custom_headers: headers that will be added to the request
          :param bool raw: returns the direct response alongside the
           deserialized response
          :param operation_config: :ref:`Operation configuration
           overrides<msrest:optionsforoperations>`.
          :return: None or ClientRawResponse if raw=true
          :rtype: None or ~msrest.pipeline.ClientRawResponse
          :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
          """
          parameters = models.VMScaleSetConvertToSinglePlacementGroupInput(active_placement_group_id=active_placement_group_id)
  
          # Construct URL
          url = self.convert_to_single_placement_group.metadata['url']
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
              'vmScaleSetName': self._serialize.url("vm_scale_set_name", vm_scale_set_name, 'str'),
              'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}
          query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
  
          # Construct headers
          header_parameters = {}
          header_parameters['Content-Type'] = 'application/json; charset=utf-8'
          if self.config.generate_client_request_id:
              header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
          if custom_headers:
              header_parameters.update(custom_headers)
          if self.config.accept_language is not None:
              header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
  
          # Construct body
          body_content = self._serialize.body(parameters, 'VMScaleSetConvertToSinglePlacementGroupInput')
  
          # Construct and send request
          request = self._client.post(url, query_parameters, header_parameters, body_content)
          response = self._client.send(request, stream=False, **operation_config)
  
          if response.status_code not in [200]:
              exp = CloudError(response)
              exp.request_id = response.headers.get('x-ms-request-id')
              raise exp
  
          if raw:
              client_raw_response = ClientRawResponse(None, response)
              return client_raw_response
      convert_to_single_placement_group.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/convertToSinglePlacementGroup'}
  