templatespecs.go

package templatespecs

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

// Client is the the APIs listed in this specification can be used to manage Template Spec resources through the Azure
// Resource Manager.
type Client struct {
	BaseClient
}

// NewClient creates an instance of the Client client.
func NewClient(subscriptionID string) Client {
	return NewClientWithBaseURI(DefaultBaseURI, subscriptionID)
}

// NewClientWithBaseURI creates an instance of the Client client using a custom endpoint.  Use this when interacting
// with an Azure cloud that uses a non-standard base URI (sovereign clouds, Azure stack).
func NewClientWithBaseURI(baseURI string, subscriptionID string) Client {
	return Client{NewWithBaseURI(baseURI, subscriptionID)}
}

// CreateOrUpdate creates or updates a Template Spec.
// Parameters:
// resourceGroupName - the name of the resource group. The name is case insensitive.
// templateSpecName - name of the Template Spec.
// templateSpec - template Spec supplied to the operation.
func (client Client) CreateOrUpdate(ctx context.Context, resourceGroupName string, templateSpecName string, templateSpec TemplateSpec) (result TemplateSpec, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/Client.CreateOrUpdate")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: templateSpecName,
			Constraints: []validation.Constraint{{Target: "templateSpecName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "templateSpecName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "templateSpecName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: templateSpec,
			Constraints: []validation.Constraint{{Target: "templateSpec.Location", Name: validation.Null, Rule: true, Chain: nil},
				{Target: "templateSpec.Properties", Name: validation.Null, Rule: false,
					Chain: []validation.Constraint{{Target: "templateSpec.Properties.Description", Name: validation.Null, Rule: false,
						Chain: []validation.Constraint{{Target: "templateSpec.Properties.Description", Name: validation.MaxLength, Rule: 4096, Chain: nil}}},
						{Target: "templateSpec.Properties.DisplayName", Name: validation.Null, Rule: false,
							Chain: []validation.Constraint{{Target: "templateSpec.Properties.DisplayName", Name: validation.MaxLength, Rule: 64, Chain: nil}}},
					}}}}}); err != nil {
		return result, validation.NewError("templatespecs.Client", "CreateOrUpdate", err.Error())
	}

	req, err := client.CreateOrUpdatePreparer(ctx, resourceGroupName, templateSpecName, templateSpec)
	if err != nil {
		err = autorest.NewErrorWithError(err, "templatespecs.Client", "CreateOrUpdate", nil, "Failure preparing request")
		return
	}

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

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

	return
}

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

	const APIVersion = "2019-06-01-preview"
	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.Resources/templateSpecs/{templateSpecName}", pathParameters),
		autorest.WithJSON(templateSpec),
		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 Client) CreateOrUpdateSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

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

// Delete deletes a Template Spec by name. When operation completes, status code 200 returned without content.
// Parameters:
// resourceGroupName - the name of the resource group. The name is case insensitive.
// templateSpecName - name of the Template Spec.
func (client Client) Delete(ctx context.Context, resourceGroupName string, templateSpecName string) (result autorest.Response, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/Client.Delete")
		defer func() {
			sc := -1
			if result.Response != nil {
				sc = result.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: templateSpecName,
			Constraints: []validation.Constraint{{Target: "templateSpecName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "templateSpecName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "templateSpecName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("templatespecs.Client", "Delete", err.Error())
	}

	req, err := client.DeletePreparer(ctx, resourceGroupName, templateSpecName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "templatespecs.Client", "Delete", nil, "Failure preparing request")
		return
	}

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

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

	return
}

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

	const APIVersion = "2019-06-01-preview"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsDelete(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Resources/templateSpecs/{templateSpecName}", 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 Client) DeleteSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

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

// Get gets a Template Spec with a given name.
// Parameters:
// resourceGroupName - the name of the resource group. The name is case insensitive.
// templateSpecName - name of the Template Spec.
// expand - allows for expansion of additional Template Spec details in the response. Optional.
func (client Client) Get(ctx context.Context, resourceGroupName string, templateSpecName string, expand TemplateSpecExpandKind) (result TemplateSpec, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/Client.Get")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: templateSpecName,
			Constraints: []validation.Constraint{{Target: "templateSpecName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "templateSpecName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "templateSpecName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("templatespecs.Client", "Get", err.Error())
	}

	req, err := client.GetPreparer(ctx, resourceGroupName, templateSpecName, expand)
	if err != nil {
		err = autorest.NewErrorWithError(err, "templatespecs.Client", "Get", nil, "Failure preparing request")
		return
	}

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

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

	return
}

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

	const APIVersion = "2019-06-01-preview"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if len(string(expand)) > 0 {
		queryParameters["$expand"] = autorest.Encode("query", expand)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Resources/templateSpecs/{templateSpecName}", 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 Client) GetSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

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

// ListByResourceGroup lists all the Template Specs within the specified resource group.
// Parameters:
// resourceGroupName - the name of the resource group. The name is case insensitive.
// expand - allows for expansion of additional Template Spec details in the response. Optional.
func (client Client) ListByResourceGroup(ctx context.Context, resourceGroupName string, expand TemplateSpecExpandKind) (result ListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/Client.ListByResourceGroup")
		defer func() {
			sc := -1
			if result.lr.Response.Response != nil {
				sc = result.lr.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("templatespecs.Client", "ListByResourceGroup", err.Error())
	}

	result.fn = client.listByResourceGroupNextResults
	req, err := client.ListByResourceGroupPreparer(ctx, resourceGroupName, expand)
	if err != nil {
		err = autorest.NewErrorWithError(err, "templatespecs.Client", "ListByResourceGroup", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListByResourceGroupSender(req)
	if err != nil {
		result.lr.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "templatespecs.Client", "ListByResourceGroup", resp, "Failure sending request")
		return
	}

	result.lr, err = client.ListByResourceGroupResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "templatespecs.Client", "ListByResourceGroup", resp, "Failure responding to request")
		return
	}
	if result.lr.hasNextLink() && result.lr.IsEmpty() {
		err = result.NextWithContext(ctx)
		return
	}

	return
}

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

	const APIVersion = "2019-06-01-preview"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if len(string(expand)) > 0 {
		queryParameters["$expand"] = autorest.Encode("query", expand)
	}

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

// ListByResourceGroupSender sends the ListByResourceGroup request. The method will close the
// http.Response Body if it receives an error.
func (client Client) ListByResourceGroupSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

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

// listByResourceGroupNextResults retrieves the next set of results, if any.
func (client Client) listByResourceGroupNextResults(ctx context.Context, lastResults ListResult) (result ListResult, err error) {
	req, err := lastResults.listResultPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "templatespecs.Client", "listByResourceGroupNextResults", nil, "Failure preparing next results request")
	}
	if req == nil {
		return
	}
	resp, err := client.ListByResourceGroupSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		return result, autorest.NewErrorWithError(err, "templatespecs.Client", "listByResourceGroupNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListByResourceGroupResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "templatespecs.Client", "listByResourceGroupNextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListByResourceGroupComplete enumerates all values, automatically crossing page boundaries as required.
func (client Client) ListByResourceGroupComplete(ctx context.Context, resourceGroupName string, expand TemplateSpecExpandKind) (result ListResultIterator, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/Client.ListByResourceGroup")
		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.ListByResourceGroup(ctx, resourceGroupName, expand)
	return
}

// ListBySubscription lists all the Template Specs within the specified subscriptions.
// Parameters:
// expand - allows for expansion of additional Template Spec details in the response. Optional.
func (client Client) ListBySubscription(ctx context.Context, expand TemplateSpecExpandKind) (result ListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/Client.ListBySubscription")
		defer func() {
			sc := -1
			if result.lr.Response.Response != nil {
				sc = result.lr.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, "templatespecs.Client", "ListBySubscription", nil, "Failure preparing request")
		return
	}

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

	result.lr, err = client.ListBySubscriptionResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "templatespecs.Client", "ListBySubscription", resp, "Failure responding to request")
		return
	}
	if result.lr.hasNextLink() && result.lr.IsEmpty() {
		err = result.NextWithContext(ctx)
		return
	}

	return
}

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

	const APIVersion = "2019-06-01-preview"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if len(string(expand)) > 0 {
		queryParameters["$expand"] = autorest.Encode("query", expand)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/providers/Microsoft.Resources/templateSpecs/", 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 Client) ListBySubscriptionSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

// ListBySubscriptionResponder handles the response to the ListBySubscription request. The method always
// closes the http.Response Body.
func (client Client) ListBySubscriptionResponder(resp *http.Response) (result ListResult, err error) {
	err = autorest.Respond(
		resp,
		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 Client) listBySubscriptionNextResults(ctx context.Context, lastResults ListResult) (result ListResult, err error) {
	req, err := lastResults.listResultPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "templatespecs.Client", "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, "templatespecs.Client", "listBySubscriptionNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListBySubscriptionResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "templatespecs.Client", "listBySubscriptionNextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListBySubscriptionComplete enumerates all values, automatically crossing page boundaries as required.
func (client Client) ListBySubscriptionComplete(ctx context.Context, expand TemplateSpecExpandKind) (result ListResultIterator, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/Client.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 updates Template Spec tags with specified values.
// Parameters:
// resourceGroupName - the name of the resource group. The name is case insensitive.
// templateSpecName - name of the Template Spec.
// templateSpec - template Spec resource with the tags to be updated.
func (client Client) Update(ctx context.Context, resourceGroupName string, templateSpecName string, templateSpec *UpdateModel) (result TemplateSpec, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/Client.Update")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: templateSpecName,
			Constraints: []validation.Constraint{{Target: "templateSpecName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "templateSpecName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "templateSpecName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("templatespecs.Client", "Update", err.Error())
	}

	req, err := client.UpdatePreparer(ctx, resourceGroupName, templateSpecName, templateSpec)
	if err != nil {
		err = autorest.NewErrorWithError(err, "templatespecs.Client", "Update", nil, "Failure preparing request")
		return
	}

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

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

	return
}

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

	const APIVersion = "2019-06-01-preview"
	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.Resources/templateSpecs/{templateSpecName}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	if templateSpec != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithJSON(templateSpec))
	}
	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 Client) UpdateSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

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