availabilitysets.go

package compute

// Copyright (c) Microsoft and contributors.  All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Code generated by Microsoft (R) AutoRest Code Generator.
// Changes may cause incorrect behavior and will be lost if the code is regenerated.

import (
	"context"
	"github.com/Azure/go-autorest/autorest"
	"github.com/Azure/go-autorest/autorest/azure"
	"github.com/Azure/go-autorest/tracing"
	"net/http"
)

// AvailabilitySetsClient is the compute Client
type AvailabilitySetsClient struct {
	BaseClient
}

// NewAvailabilitySetsClient creates an instance of the AvailabilitySetsClient client.
func NewAvailabilitySetsClient(subscriptionID string) AvailabilitySetsClient {
	return NewAvailabilitySetsClientWithBaseURI(DefaultBaseURI, subscriptionID)
}

// NewAvailabilitySetsClientWithBaseURI creates an instance of the AvailabilitySetsClient client.
func NewAvailabilitySetsClientWithBaseURI(baseURI string, subscriptionID string) AvailabilitySetsClient {
	return AvailabilitySetsClient{NewWithBaseURI(baseURI, subscriptionID)}
}

// CreateOrUpdate create or update an availability set.
// Parameters:
// resourceGroupName - the name of the resource group.
// availabilitySetName - the name of the availability set.
// parameters - parameters supplied to the Create Availability Set operation.
func (client AvailabilitySetsClient) CreateOrUpdate(ctx context.Context, resourceGroupName string, availabilitySetName string, parameters AvailabilitySet) (result AvailabilitySet, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AvailabilitySetsClient.CreateOrUpdate")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.CreateOrUpdatePreparer(ctx, resourceGroupName, availabilitySetName, parameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "CreateOrUpdate", nil, "Failure preparing request")
		return
	}

	resp, err := client.CreateOrUpdateSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "CreateOrUpdate", resp, "Failure sending request")
		return
	}

	result, err = client.CreateOrUpdateResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "CreateOrUpdate", resp, "Failure responding to request")
	}

	return
}

// CreateOrUpdatePreparer prepares the CreateOrUpdate request.
func (client AvailabilitySetsClient) CreateOrUpdatePreparer(ctx context.Context, resourceGroupName string, availabilitySetName string, parameters AvailabilitySet) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"availabilitySetName": autorest.Encode("path", availabilitySetName),
		"resourceGroupName":   autorest.Encode("path", resourceGroupName),
		"subscriptionId":      autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2017-12-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; charset=utf-8"),
		autorest.AsPut(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/availabilitySets/{availabilitySetName}", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// CreateOrUpdateSender sends the CreateOrUpdate request. The method will close the
// http.Response Body if it receives an error.
func (client AvailabilitySetsClient) CreateOrUpdateSender(req *http.Request) (*http.Response, error) {
	sd := autorest.GetSendDecorators(req.Context(), azure.DoRetryWithRegistration(client.Client))
	return autorest.SendWithSender(client, req, sd...)
}

// CreateOrUpdateResponder handles the response to the CreateOrUpdate request. The method always
// closes the http.Response Body.
func (client AvailabilitySetsClient) CreateOrUpdateResponder(resp *http.Response) (result AvailabilitySet, err error) {
	err = autorest.Respond(
		resp,
		client.ByInspecting(),
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// Delete delete an availability set.
// Parameters:
// resourceGroupName - the name of the resource group.
// availabilitySetName - the name of the availability set.
func (client AvailabilitySetsClient) Delete(ctx context.Context, resourceGroupName string, availabilitySetName string) (result OperationStatusResponse, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AvailabilitySetsClient.Delete")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.DeletePreparer(ctx, resourceGroupName, availabilitySetName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "Delete", nil, "Failure preparing request")
		return
	}

	resp, err := client.DeleteSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "Delete", resp, "Failure sending request")
		return
	}

	result, err = client.DeleteResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "Delete", resp, "Failure responding to request")
	}

	return
}

// DeletePreparer prepares the Delete request.
func (client AvailabilitySetsClient) DeletePreparer(ctx context.Context, resourceGroupName string, availabilitySetName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"availabilitySetName": autorest.Encode("path", availabilitySetName),
		"resourceGroupName":   autorest.Encode("path", resourceGroupName),
		"subscriptionId":      autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2017-12-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsDelete(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/availabilitySets/{availabilitySetName}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// DeleteSender sends the Delete request. The method will close the
// http.Response Body if it receives an error.
func (client AvailabilitySetsClient) DeleteSender(req *http.Request) (*http.Response, error) {
	sd := autorest.GetSendDecorators(req.Context(), azure.DoRetryWithRegistration(client.Client))
	return autorest.SendWithSender(client, req, sd...)
}

// DeleteResponder handles the response to the Delete request. The method always
// closes the http.Response Body.
func (client AvailabilitySetsClient) DeleteResponder(resp *http.Response) (result OperationStatusResponse, err error) {
	err = autorest.Respond(
		resp,
		client.ByInspecting(),
		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusNoContent),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// Get retrieves information about an availability set.
// Parameters:
// resourceGroupName - the name of the resource group.
// availabilitySetName - the name of the availability set.
func (client AvailabilitySetsClient) Get(ctx context.Context, resourceGroupName string, availabilitySetName string) (result AvailabilitySet, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AvailabilitySetsClient.Get")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.GetPreparer(ctx, resourceGroupName, availabilitySetName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "Get", nil, "Failure preparing request")
		return
	}

	resp, err := client.GetSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "Get", resp, "Failure sending request")
		return
	}

	result, err = client.GetResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "Get", resp, "Failure responding to request")
	}

	return
}

// GetPreparer prepares the Get request.
func (client AvailabilitySetsClient) GetPreparer(ctx context.Context, resourceGroupName string, availabilitySetName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"availabilitySetName": autorest.Encode("path", availabilitySetName),
		"resourceGroupName":   autorest.Encode("path", resourceGroupName),
		"subscriptionId":      autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2017-12-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/availabilitySets/{availabilitySetName}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// GetSender sends the Get request. The method will close the
// http.Response Body if it receives an error.
func (client AvailabilitySetsClient) GetSender(req *http.Request) (*http.Response, error) {
	sd := autorest.GetSendDecorators(req.Context(), azure.DoRetryWithRegistration(client.Client))
	return autorest.SendWithSender(client, req, sd...)
}

// GetResponder handles the response to the Get request. The method always
// closes the http.Response Body.
func (client AvailabilitySetsClient) GetResponder(resp *http.Response) (result AvailabilitySet, err error) {
	err = autorest.Respond(
		resp,
		client.ByInspecting(),
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// List lists all availability sets in a resource group.
// Parameters:
// resourceGroupName - the name of the resource group.
func (client AvailabilitySetsClient) List(ctx context.Context, resourceGroupName string) (result AvailabilitySetListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AvailabilitySetsClient.List")
		defer func() {
			sc := -1
			if result.aslr.Response.Response != nil {
				sc = result.aslr.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.fn = client.listNextResults
	req, err := client.ListPreparer(ctx, resourceGroupName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "List", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListSender(req)
	if err != nil {
		result.aslr.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "List", resp, "Failure sending request")
		return
	}

	result.aslr, err = client.ListResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "List", resp, "Failure responding to request")
	}

	return
}

// ListPreparer prepares the List request.
func (client AvailabilitySetsClient) ListPreparer(ctx context.Context, resourceGroupName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2017-12-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/availabilitySets", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ListSender sends the List request. The method will close the
// http.Response Body if it receives an error.
func (client AvailabilitySetsClient) ListSender(req *http.Request) (*http.Response, error) {
	sd := autorest.GetSendDecorators(req.Context(), azure.DoRetryWithRegistration(client.Client))
	return autorest.SendWithSender(client, req, sd...)
}

// ListResponder handles the response to the List request. The method always
// closes the http.Response Body.
func (client AvailabilitySetsClient) ListResponder(resp *http.Response) (result AvailabilitySetListResult, err error) {
	err = autorest.Respond(
		resp,
		client.ByInspecting(),
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// listNextResults retrieves the next set of results, if any.
func (client AvailabilitySetsClient) listNextResults(ctx context.Context, lastResults AvailabilitySetListResult) (result AvailabilitySetListResult, err error) {
	req, err := lastResults.availabilitySetListResultPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "listNextResults", nil, "Failure preparing next results request")
	}
	if req == nil {
		return
	}
	resp, err := client.ListSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		return result, autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "listNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "listNextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListComplete enumerates all values, automatically crossing page boundaries as required.
func (client AvailabilitySetsClient) ListComplete(ctx context.Context, resourceGroupName string) (result AvailabilitySetListResultIterator, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AvailabilitySetsClient.List")
		defer func() {
			sc := -1
			if result.Response().Response.Response != nil {
				sc = result.page.Response().Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.page, err = client.List(ctx, resourceGroupName)
	return
}

// ListAvailableSizes lists all available virtual machine sizes that can be used to create a new virtual machine in an
// existing availability set.
// Parameters:
// resourceGroupName - the name of the resource group.
// availabilitySetName - the name of the availability set.
func (client AvailabilitySetsClient) ListAvailableSizes(ctx context.Context, resourceGroupName string, availabilitySetName string) (result VirtualMachineSizeListResult, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AvailabilitySetsClient.ListAvailableSizes")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.ListAvailableSizesPreparer(ctx, resourceGroupName, availabilitySetName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "ListAvailableSizes", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListAvailableSizesSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "ListAvailableSizes", resp, "Failure sending request")
		return
	}

	result, err = client.ListAvailableSizesResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "ListAvailableSizes", resp, "Failure responding to request")
	}

	return
}

// ListAvailableSizesPreparer prepares the ListAvailableSizes request.
func (client AvailabilitySetsClient) ListAvailableSizesPreparer(ctx context.Context, resourceGroupName string, availabilitySetName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"availabilitySetName": autorest.Encode("path", availabilitySetName),
		"resourceGroupName":   autorest.Encode("path", resourceGroupName),
		"subscriptionId":      autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2017-12-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/availabilitySets/{availabilitySetName}/vmSizes", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ListAvailableSizesSender sends the ListAvailableSizes request. The method will close the
// http.Response Body if it receives an error.
func (client AvailabilitySetsClient) ListAvailableSizesSender(req *http.Request) (*http.Response, error) {
	sd := autorest.GetSendDecorators(req.Context(), azure.DoRetryWithRegistration(client.Client))
	return autorest.SendWithSender(client, req, sd...)
}

// ListAvailableSizesResponder handles the response to the ListAvailableSizes request. The method always
// closes the http.Response Body.
func (client AvailabilitySetsClient) ListAvailableSizesResponder(resp *http.Response) (result VirtualMachineSizeListResult, err error) {
	err = autorest.Respond(
		resp,
		client.ByInspecting(),
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// ListBySubscription lists all availability sets in a subscription.
// Parameters:
// expand - the expand expression to apply to the operation.
func (client AvailabilitySetsClient) ListBySubscription(ctx context.Context, expand string) (result AvailabilitySetListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AvailabilitySetsClient.ListBySubscription")
		defer func() {
			sc := -1
			if result.aslr.Response.Response != nil {
				sc = result.aslr.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.fn = client.listBySubscriptionNextResults
	req, err := client.ListBySubscriptionPreparer(ctx, expand)
	if err != nil {
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "ListBySubscription", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListBySubscriptionSender(req)
	if err != nil {
		result.aslr.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "ListBySubscription", resp, "Failure sending request")
		return
	}

	result.aslr, err = client.ListBySubscriptionResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "ListBySubscription", resp, "Failure responding to request")
	}

	return
}

// ListBySubscriptionPreparer prepares the ListBySubscription request.
func (client AvailabilitySetsClient) ListBySubscriptionPreparer(ctx context.Context, expand string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"subscriptionId": autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2017-12-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if len(expand) > 0 {
		queryParameters["$expand"] = autorest.Encode("query", expand)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/providers/Microsoft.Compute/availabilitySets", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ListBySubscriptionSender sends the ListBySubscription request. The method will close the
// http.Response Body if it receives an error.
func (client AvailabilitySetsClient) ListBySubscriptionSender(req *http.Request) (*http.Response, error) {
	sd := autorest.GetSendDecorators(req.Context(), azure.DoRetryWithRegistration(client.Client))
	return autorest.SendWithSender(client, req, sd...)
}

// ListBySubscriptionResponder handles the response to the ListBySubscription request. The method always
// closes the http.Response Body.
func (client AvailabilitySetsClient) ListBySubscriptionResponder(resp *http.Response) (result AvailabilitySetListResult, err error) {
	err = autorest.Respond(
		resp,
		client.ByInspecting(),
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// listBySubscriptionNextResults retrieves the next set of results, if any.
func (client AvailabilitySetsClient) listBySubscriptionNextResults(ctx context.Context, lastResults AvailabilitySetListResult) (result AvailabilitySetListResult, err error) {
	req, err := lastResults.availabilitySetListResultPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "listBySubscriptionNextResults", nil, "Failure preparing next results request")
	}
	if req == nil {
		return
	}
	resp, err := client.ListBySubscriptionSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		return result, autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "listBySubscriptionNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListBySubscriptionResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "listBySubscriptionNextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListBySubscriptionComplete enumerates all values, automatically crossing page boundaries as required.
func (client AvailabilitySetsClient) ListBySubscriptionComplete(ctx context.Context, expand string) (result AvailabilitySetListResultIterator, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AvailabilitySetsClient.ListBySubscription")
		defer func() {
			sc := -1
			if result.Response().Response.Response != nil {
				sc = result.page.Response().Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.page, err = client.ListBySubscription(ctx, expand)
	return
}

// Update update an availability set.
// Parameters:
// resourceGroupName - the name of the resource group.
// availabilitySetName - the name of the availability set.
// parameters - parameters supplied to the Update Availability Set operation.
func (client AvailabilitySetsClient) Update(ctx context.Context, resourceGroupName string, availabilitySetName string, parameters AvailabilitySetUpdate) (result AvailabilitySet, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AvailabilitySetsClient.Update")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.UpdatePreparer(ctx, resourceGroupName, availabilitySetName, parameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "Update", nil, "Failure preparing request")
		return
	}

	resp, err := client.UpdateSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "Update", resp, "Failure sending request")
		return
	}

	result, err = client.UpdateResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "compute.AvailabilitySetsClient", "Update", resp, "Failure responding to request")
	}

	return
}

// UpdatePreparer prepares the Update request.
func (client AvailabilitySetsClient) UpdatePreparer(ctx context.Context, resourceGroupName string, availabilitySetName string, parameters AvailabilitySetUpdate) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"availabilitySetName": autorest.Encode("path", availabilitySetName),
		"resourceGroupName":   autorest.Encode("path", resourceGroupName),
		"subscriptionId":      autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2017-12-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; charset=utf-8"),
		autorest.AsPatch(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/availabilitySets/{availabilitySetName}", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// UpdateSender sends the Update request. The method will close the
// http.Response Body if it receives an error.
func (client AvailabilitySetsClient) UpdateSender(req *http.Request) (*http.Response, error) {
	sd := autorest.GetSendDecorators(req.Context(), azure.DoRetryWithRegistration(client.Client))
	return autorest.SendWithSender(client, req, sd...)
}

// UpdateResponder handles the response to the Update request. The method always
// closes the http.Response Body.
func (client AvailabilitySetsClient) UpdateResponder(resp *http.Response) (result AvailabilitySet, err error) {
	err = autorest.Respond(
		resp,
		client.ByInspecting(),
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}