# 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 VirtualMachineScaleSetVMsOperations(object):
    """VirtualMachineScaleSetVMsOperations 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: "2017-12-01".
    """

    models = models

    def __init__(self, client, config, serializer, deserializer):

        self._client = client
        self._serialize = serializer
        self._deserialize = deserializer
        self.api_version = "2017-12-01"

        self.config = config


    def _reimage_initial(
            self, resource_group_name, vm_scale_set_name, instance_id, custom_headers=None, raw=False, **operation_config):
        # 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'),
            'instanceId': self._serialize.url("instance_id", instance_id, '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.post(url, query_parameters, header_parameters)
        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

        deserialized = None

        if response.status_code == 200:
            deserialized = self._deserialize('OperationStatusResponse', response)

        if raw:
            client_raw_response = ClientRawResponse(deserialized, response)
            return client_raw_response

        return deserialized

    def reimage(
            self, resource_group_name, vm_scale_set_name, instance_id, custom_headers=None, raw=False, polling=True, **operation_config):
        """Reimages (upgrade the operating system) a specific virtual machine 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_id: The instance ID of the virtual machine.
        :type instance_id: 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 OperationStatusResponse
         or ClientRawResponse<OperationStatusResponse> if raw==True
        :rtype:
         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]]
        :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,
            instance_id=instance_id,
            custom_headers=custom_headers,
            raw=True,
            **operation_config
        )

        def get_long_running_output(response):
            deserialized = self._deserialize('OperationStatusResponse', 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, lro_options={'final-state-via': 'azure-async-operation'}, **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}/virtualmachines/{instanceId}/reimage'}


    def _reimage_all_initial(
            self, resource_group_name, vm_scale_set_name, instance_id, custom_headers=None, raw=False, **operation_config):
        # 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'),
            'instanceId': self._serialize.url("instance_id", instance_id, '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.post(url, query_parameters, header_parameters)
        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

        deserialized = None

        if response.status_code == 200:
            deserialized = self._deserialize('OperationStatusResponse', response)

        if raw:
            client_raw_response = ClientRawResponse(deserialized, response)
            return client_raw_response

        return deserialized

    def reimage_all(
            self, resource_group_name, vm_scale_set_name, instance_id, custom_headers=None, raw=False, polling=True, **operation_config):
        """Allows you to re-image all the disks ( including data disks ) in the a
        VM scale set instance. 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_id: The instance ID of the virtual machine.
        :type instance_id: 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 OperationStatusResponse
         or ClientRawResponse<OperationStatusResponse> if raw==True
        :rtype:
         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]]
        :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_id=instance_id,
            custom_headers=custom_headers,
            raw=True,
            **operation_config
        )

        def get_long_running_output(response):
            deserialized = self._deserialize('OperationStatusResponse', 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, lro_options={'final-state-via': 'azure-async-operation'}, **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}/virtualmachines/{instanceId}/reimageall'}


    def _deallocate_initial(
            self, resource_group_name, vm_scale_set_name, instance_id, custom_headers=None, raw=False, **operation_config):
        # 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'),
            'instanceId': self._serialize.url("instance_id", instance_id, '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.post(url, query_parameters, header_parameters)
        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

        deserialized = None

        if response.status_code == 200:
            deserialized = self._deserialize('OperationStatusResponse', response)

        if raw:
            client_raw_response = ClientRawResponse(deserialized, response)
            return client_raw_response

        return deserialized

    def deallocate(
            self, resource_group_name, vm_scale_set_name, instance_id, custom_headers=None, raw=False, polling=True, **operation_config):
        """Deallocates a specific virtual machine in a VM scale set. Shuts down
        the virtual machine and releases the compute resources it uses. You are
        not billed for the compute resources of this virtual machine once it is
        deallocated.

        :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_id: The instance ID of the virtual machine.
        :type instance_id: 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 OperationStatusResponse
         or ClientRawResponse<OperationStatusResponse> if raw==True
        :rtype:
         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]]
        :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_id=instance_id,
            custom_headers=custom_headers,
            raw=True,
            **operation_config
        )

        def get_long_running_output(response):
            deserialized = self._deserialize('OperationStatusResponse', 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, lro_options={'final-state-via': 'azure-async-operation'}, **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}/virtualmachines/{instanceId}/deallocate'}


    def _update_initial(
            self, resource_group_name, vm_scale_set_name, instance_id, 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'),
            'instanceId': self._serialize.url("instance_id", instance_id, '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, 'VirtualMachineScaleSetVM')

        # 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, 202]:
            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('VirtualMachineScaleSetVM', response)
        if response.status_code == 202:
            deserialized = self._deserialize('VirtualMachineScaleSetVM', 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, instance_id, parameters, custom_headers=None, raw=False, polling=True, **operation_config):
        """Updates a virtual machine of 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 where the
         extension should be create or updated.
        :type vm_scale_set_name: str
        :param instance_id: The instance ID of the virtual machine.
        :type instance_id: str
        :param parameters: Parameters supplied to the Update Virtual Machine
         Scale Sets VM operation.
        :type parameters:
         ~azure.mgmt.compute.v2017_12_01.models.VirtualMachineScaleSetVM
        :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
         VirtualMachineScaleSetVM or
         ClientRawResponse<VirtualMachineScaleSetVM> if raw==True
        :rtype:
         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2017_12_01.models.VirtualMachineScaleSetVM]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2017_12_01.models.VirtualMachineScaleSetVM]]
        :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,
            instance_id=instance_id,
            parameters=parameters,
            custom_headers=custom_headers,
            raw=True,
            **operation_config
        )

        def get_long_running_output(response):
            deserialized = self._deserialize('VirtualMachineScaleSetVM', 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}/virtualmachines/{instanceId}'}


    def _delete_initial(
            self, resource_group_name, vm_scale_set_name, instance_id, 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'),
            'instanceId': self._serialize.url("instance_id", instance_id, '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.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

        deserialized = None

        if response.status_code == 200:
            deserialized = self._deserialize('OperationStatusResponse', response)

        if raw:
            client_raw_response = ClientRawResponse(deserialized, response)
            return client_raw_response

        return deserialized

    def delete(
            self, resource_group_name, vm_scale_set_name, instance_id, custom_headers=None, raw=False, polling=True, **operation_config):
        """Deletes a virtual machine from 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_id: The instance ID of the virtual machine.
        :type instance_id: 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 OperationStatusResponse
         or ClientRawResponse<OperationStatusResponse> if raw==True
        :rtype:
         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]]
        :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,
            instance_id=instance_id,
            custom_headers=custom_headers,
            raw=True,
            **operation_config
        )

        def get_long_running_output(response):
            deserialized = self._deserialize('OperationStatusResponse', 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)
    delete.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}'}

    def get(
            self, resource_group_name, vm_scale_set_name, instance_id, custom_headers=None, raw=False, **operation_config):
        """Gets a virtual machine from 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_id: The instance ID of the virtual machine.
        :type instance_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: VirtualMachineScaleSetVM or ClientRawResponse if raw=true
        :rtype:
         ~azure.mgmt.compute.v2017_12_01.models.VirtualMachineScaleSetVM 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'),
            'instanceId': self._serialize.url("instance_id", instance_id, '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('VirtualMachineScaleSetVM', 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}/virtualmachines/{instanceId}'}

    def get_instance_view(
            self, resource_group_name, vm_scale_set_name, instance_id, custom_headers=None, raw=False, **operation_config):
        """Gets the status of a virtual machine from 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_id: The instance ID of the virtual machine.
        :type instance_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: VirtualMachineScaleSetVMInstanceView or ClientRawResponse if
         raw=true
        :rtype:
         ~azure.mgmt.compute.v2017_12_01.models.VirtualMachineScaleSetVMInstanceView
         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'),
            'instanceId': self._serialize.url("instance_id", instance_id, '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('VirtualMachineScaleSetVMInstanceView', 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}/virtualmachines/{instanceId}/instanceView'}

    def list(
            self, resource_group_name, virtual_machine_scale_set_name, filter=None, select=None, expand=None, custom_headers=None, raw=False, **operation_config):
        """Gets a list of all virtual machines in a VM scale sets.

        :param resource_group_name: The name of the resource group.
        :type resource_group_name: str
        :param virtual_machine_scale_set_name: The name of the VM scale set.
        :type virtual_machine_scale_set_name: str
        :param filter: The filter to apply to the operation.
        :type filter: str
        :param select: The list parameters.
        :type select: str
        :param expand: The expand expression to apply to the operation.
        :type expand: 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 VirtualMachineScaleSetVM
        :rtype:
         ~azure.mgmt.compute.v2017_12_01.models.VirtualMachineScaleSetVMPaged[~azure.mgmt.compute.v2017_12_01.models.VirtualMachineScaleSetVM]
        :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'),
                    'virtualMachineScaleSetName': self._serialize.url("virtual_machine_scale_set_name", virtual_machine_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 filter is not None:
                    query_parameters['$filter'] = self._serialize.query("filter", filter, 'str')
                if select is not None:
                    query_parameters['$select'] = self._serialize.query("select", select, 'str')
                if expand is not None:
                    query_parameters['$expand'] = self._serialize.query("expand", expand, 'str')
                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.VirtualMachineScaleSetVMPaged(internal_paging, self._deserialize.dependencies, header_dict)

        return deserialized
    list.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{virtualMachineScaleSetName}/virtualMachines'}


    def _power_off_initial(
            self, resource_group_name, vm_scale_set_name, instance_id, custom_headers=None, raw=False, **operation_config):
        # 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'),
            'instanceId': self._serialize.url("instance_id", instance_id, '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.post(url, query_parameters, header_parameters)
        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

        deserialized = None

        if response.status_code == 200:
            deserialized = self._deserialize('OperationStatusResponse', response)

        if raw:
            client_raw_response = ClientRawResponse(deserialized, response)
            return client_raw_response

        return deserialized

    def power_off(
            self, resource_group_name, vm_scale_set_name, instance_id, custom_headers=None, raw=False, polling=True, **operation_config):
        """Power off (stop) a virtual machine 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 instance_id: The instance ID of the virtual machine.
        :type instance_id: 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 OperationStatusResponse
         or ClientRawResponse<OperationStatusResponse> if raw==True
        :rtype:
         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]]
        :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,
            instance_id=instance_id,
            custom_headers=custom_headers,
            raw=True,
            **operation_config
        )

        def get_long_running_output(response):
            deserialized = self._deserialize('OperationStatusResponse', 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, lro_options={'final-state-via': 'azure-async-operation'}, **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}/virtualmachines/{instanceId}/poweroff'}


    def _restart_initial(
            self, resource_group_name, vm_scale_set_name, instance_id, custom_headers=None, raw=False, **operation_config):
        # 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'),
            'instanceId': self._serialize.url("instance_id", instance_id, '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.post(url, query_parameters, header_parameters)
        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

        deserialized = None

        if response.status_code == 200:
            deserialized = self._deserialize('OperationStatusResponse', response)

        if raw:
            client_raw_response = ClientRawResponse(deserialized, response)
            return client_raw_response

        return deserialized

    def restart(
            self, resource_group_name, vm_scale_set_name, instance_id, custom_headers=None, raw=False, polling=True, **operation_config):
        """Restarts a virtual machine 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_id: The instance ID of the virtual machine.
        :type instance_id: 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 OperationStatusResponse
         or ClientRawResponse<OperationStatusResponse> if raw==True
        :rtype:
         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]]
        :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_id=instance_id,
            custom_headers=custom_headers,
            raw=True,
            **operation_config
        )

        def get_long_running_output(response):
            deserialized = self._deserialize('OperationStatusResponse', 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, lro_options={'final-state-via': 'azure-async-operation'}, **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}/virtualmachines/{instanceId}/restart'}


    def _start_initial(
            self, resource_group_name, vm_scale_set_name, instance_id, custom_headers=None, raw=False, **operation_config):
        # 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'),
            'instanceId': self._serialize.url("instance_id", instance_id, '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.post(url, query_parameters, header_parameters)
        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

        deserialized = None

        if response.status_code == 200:
            deserialized = self._deserialize('OperationStatusResponse', response)

        if raw:
            client_raw_response = ClientRawResponse(deserialized, response)
            return client_raw_response

        return deserialized

    def start(
            self, resource_group_name, vm_scale_set_name, instance_id, custom_headers=None, raw=False, polling=True, **operation_config):
        """Starts a virtual machine 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_id: The instance ID of the virtual machine.
        :type instance_id: 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 OperationStatusResponse
         or ClientRawResponse<OperationStatusResponse> if raw==True
        :rtype:
         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]]
        :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_id=instance_id,
            custom_headers=custom_headers,
            raw=True,
            **operation_config
        )

        def get_long_running_output(response):
            deserialized = self._deserialize('OperationStatusResponse', 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, lro_options={'final-state-via': 'azure-async-operation'}, **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}/virtualmachines/{instanceId}/start'}


    def _redeploy_initial(
            self, resource_group_name, vm_scale_set_name, instance_id, custom_headers=None, raw=False, **operation_config):
        # 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'),
            'instanceId': self._serialize.url("instance_id", instance_id, '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.post(url, query_parameters, header_parameters)
        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

        deserialized = None

        if response.status_code == 200:
            deserialized = self._deserialize('OperationStatusResponse', response)

        if raw:
            client_raw_response = ClientRawResponse(deserialized, response)
            return client_raw_response

        return deserialized

    def redeploy(
            self, resource_group_name, vm_scale_set_name, instance_id, custom_headers=None, raw=False, polling=True, **operation_config):
        """Shuts down the virtual machine in the virtual machine scale set, moves
        it to a new node, and powers it 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_id: The instance ID of the virtual machine.
        :type instance_id: 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 OperationStatusResponse
         or ClientRawResponse<OperationStatusResponse> if raw==True
        :rtype:
         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]]
        :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_id=instance_id,
            custom_headers=custom_headers,
            raw=True,
            **operation_config
        )

        def get_long_running_output(response):
            deserialized = self._deserialize('OperationStatusResponse', 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, lro_options={'final-state-via': 'azure-async-operation'}, **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}/virtualmachines/{instanceId}/redeploy'}


    def _perform_maintenance_initial(
            self, resource_group_name, vm_scale_set_name, instance_id, custom_headers=None, raw=False, **operation_config):
        # 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'),
            'instanceId': self._serialize.url("instance_id", instance_id, '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.post(url, query_parameters, header_parameters)
        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

        deserialized = None

        if response.status_code == 200:
            deserialized = self._deserialize('OperationStatusResponse', response)

        if raw:
            client_raw_response = ClientRawResponse(deserialized, response)
            return client_raw_response

        return deserialized

    def perform_maintenance(
            self, resource_group_name, vm_scale_set_name, instance_id, custom_headers=None, raw=False, polling=True, **operation_config):
        """Performs maintenance on a virtual machine 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_id: The instance ID of the virtual machine.
        :type instance_id: 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 OperationStatusResponse
         or ClientRawResponse<OperationStatusResponse> if raw==True
        :rtype:
         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]]
        :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_id=instance_id,
            custom_headers=custom_headers,
            raw=True,
            **operation_config
        )

        def get_long_running_output(response):
            deserialized = self._deserialize('OperationStatusResponse', 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, lro_options={'final-state-via': 'azure-async-operation'}, **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}/virtualmachines/{instanceId}/performMaintenance'}
