# 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.

    :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: "2016-03-30".
    """

    models = models

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

        self._client = client
        self._serialize = serializer
        self._deserialize = deserializer
        self.api_version = "2016-03-30"

        self.config = config


    def _create_or_update_initial(
            self, resource_group_name, 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("name", 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, 'VirtualMachineScaleSet')

        # Construct and send request
        request = self._client.put(url, query_parameters)
        response = self._client.send(
            request, header_parameters, body_content, 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, 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 name: The name of the VM scale set to create or update.
        :type name: str
        :param parameters: The scale set object.
        :type parameters:
         ~azure.mgmt.compute.v2016_03_30.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.v2016_03_30.models.VirtualMachineScaleSet]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2016_03_30.models.VirtualMachineScaleSet]]
        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
        """
        raw_result = self._create_or_update_initial(
            resource_group_name=resource_group_name,
            name=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 _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 = {}
        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 and send request
        request = self._client.delete(url, query_parameters)
        response = self._client.send(request, header_parameters, 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, 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 OperationStatusResponse
         or ClientRawResponse<OperationStatusResponse> if raw==True
        :rtype:
         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2016_03_30.models.OperationStatusResponse]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2016_03_30.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,
            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}'}

    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.v2016_03_30.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['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 and send request
        request = self._client.get(url, query_parameters)
        response = self._client.send(request, header_parameters, 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)
        response = self._client.send(
            request, header_parameters, body_content, 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_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 OperationStatusResponse
         or ClientRawResponse<OperationStatusResponse> if raw==True
        :rtype:
         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2016_03_30.models.OperationStatusResponse]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2016_03_30.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_ids=instance_ids,
            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)
    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)
        response = self._client.send(
            request, header_parameters, body_content, 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 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 OperationStatusResponse
         or ClientRawResponse<OperationStatusResponse> if raw==True
        :rtype:
         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2016_03_30.models.OperationStatusResponse]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2016_03_30.models.OperationStatusResponse]]
        :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):
            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_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.v2016_03_30.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['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 and send request
        request = self._client.get(url, query_parameters)
        response = self._client.send(request, header_parameters, 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.v2016_03_30.models.VirtualMachineScaleSetPaged[~azure.mgmt.compute.v2016_03_30.models.VirtualMachineScaleSet]
        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
        """
        def internal_paging(next_link=None, raw=False):

            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['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 and send request
            request = self._client.get(url, query_parameters)
            response = self._client.send(
                request, header_parameters, 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
        deserialized = models.VirtualMachineScaleSetPaged(internal_paging, self._deserialize.dependencies)

        if raw:
            header_dict = {}
            client_raw_response = models.VirtualMachineScaleSetPaged(internal_paging, self._deserialize.dependencies, header_dict)
            return client_raw_response

        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.v2016_03_30.models.VirtualMachineScaleSetPaged[~azure.mgmt.compute.v2016_03_30.models.VirtualMachineScaleSet]
        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
        """
        def internal_paging(next_link=None, raw=False):

            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['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 and send request
            request = self._client.get(url, query_parameters)
            response = self._client.send(
                request, header_parameters, 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
        deserialized = models.VirtualMachineScaleSetPaged(internal_paging, self._deserialize.dependencies)

        if raw:
            header_dict = {}
            client_raw_response = models.VirtualMachineScaleSetPaged(internal_paging, self._deserialize.dependencies, header_dict)
            return client_raw_response

        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.v2016_03_30.models.VirtualMachineScaleSetSkuPaged[~azure.mgmt.compute.v2016_03_30.models.VirtualMachineScaleSetSku]
        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
        """
        def internal_paging(next_link=None, raw=False):

            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['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 and send request
            request = self._client.get(url, query_parameters)
            response = self._client.send(
                request, header_parameters, 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
        deserialized = models.VirtualMachineScaleSetSkuPaged(internal_paging, self._deserialize.dependencies)

        if raw:
            header_dict = {}
            client_raw_response = models.VirtualMachineScaleSetSkuPaged(internal_paging, self._deserialize.dependencies, header_dict)
            return client_raw_response

        return deserialized
    list_skus.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/skus'}


    def _power_off_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.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 = {}
        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)
        response = self._client.send(
            request, header_parameters, body_content, 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_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 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 OperationStatusResponse
         or ClientRawResponse<OperationStatusResponse> if raw==True
        :rtype:
         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2016_03_30.models.OperationStatusResponse]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2016_03_30.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_ids=instance_ids,
            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)
    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)
        response = self._client.send(
            request, header_parameters, body_content, 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_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 OperationStatusResponse
         or ClientRawResponse<OperationStatusResponse> if raw==True
        :rtype:
         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2016_03_30.models.OperationStatusResponse]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2016_03_30.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_ids=instance_ids,
            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)
    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)
        response = self._client.send(
            request, header_parameters, body_content, 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_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 OperationStatusResponse
         or ClientRawResponse<OperationStatusResponse> if raw==True
        :rtype:
         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2016_03_30.models.OperationStatusResponse]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2016_03_30.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_ids=instance_ids,
            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)
    start.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/start'}


    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)
        response = self._client.send(
            request, header_parameters, body_content, 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 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 OperationStatusResponse
         or ClientRawResponse<OperationStatusResponse> if raw==True
        :rtype:
         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2016_03_30.models.OperationStatusResponse]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2016_03_30.models.OperationStatusResponse]]
        :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):
            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)
    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, 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'),
            '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 and send request
        request = self._client.post(url, query_parameters)
        response = self._client.send(request, header_parameters, 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, custom_headers=None, raw=False, polling=True, **operation_config):
        """Reimages (upgrade the operating system) 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 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.v2016_03_30.models.OperationStatusResponse]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2016_03_30.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,
            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)
    reimage.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/reimage'}
