frontdoors.go

package frontdoor

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

// FrontDoorsClient is the frontDoor Client
type FrontDoorsClient struct {
	BaseClient
}

// NewFrontDoorsClient creates an instance of the FrontDoorsClient client.
func NewFrontDoorsClient(subscriptionID string) FrontDoorsClient {
	return NewFrontDoorsClientWithBaseURI(DefaultBaseURI, subscriptionID)
}

// NewFrontDoorsClientWithBaseURI creates an instance of the FrontDoorsClient 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 NewFrontDoorsClientWithBaseURI(baseURI string, subscriptionID string) FrontDoorsClient {
	return FrontDoorsClient{NewWithBaseURI(baseURI, subscriptionID)}
}

// CreateOrUpdate creates a new Front Door with a Front Door name under the specified subscription and resource group.
// Parameters:
// resourceGroupName - name of the Resource group within the Azure subscription.
// frontDoorName - name of the Front Door which is globally unique.
// frontDoorParameters - front Door properties needed to create a new Front Door.
func (client FrontDoorsClient) CreateOrUpdate(ctx context.Context, resourceGroupName string, frontDoorName string, frontDoorParameters FrontDoor) (result FrontDoorsCreateOrUpdateFutureType, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/FrontDoorsClient.CreateOrUpdate")
		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: 80, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[a-zA-Z0-9_\-\(\)\.]*[^\.]$`, Chain: nil}}},
		{TargetValue: frontDoorName,
			Constraints: []validation.Constraint{{Target: "frontDoorName", Name: validation.MaxLength, Rule: 64, Chain: nil},
				{Target: "frontDoorName", Name: validation.MinLength, Rule: 5, Chain: nil},
				{Target: "frontDoorName", Name: validation.Pattern, Rule: `^[a-zA-Z0-9]+([-a-zA-Z0-9]?[a-zA-Z0-9])*$`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("frontdoor.FrontDoorsClient", "CreateOrUpdate", err.Error())
	}

	req, err := client.CreateOrUpdatePreparer(ctx, resourceGroupName, frontDoorName, frontDoorParameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "frontdoor.FrontDoorsClient", "CreateOrUpdate", nil, "Failure preparing request")
		return
	}

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

	return
}

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

	const APIVersion = "2018-08-01"
	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.Network/frontDoors/{frontDoorName}", pathParameters),
		autorest.WithJSON(frontDoorParameters),
		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 FrontDoorsClient) CreateOrUpdateSender(req *http.Request) (future FrontDoorsCreateOrUpdateFutureType, err error) {
	sd := autorest.GetSendDecorators(req.Context(), azure.DoRetryWithRegistration(client.Client))
	var resp *http.Response
	resp, err = autorest.SendWithSender(client, req, sd...)
	if err != nil {
		return
	}
	future.Future, err = azure.NewFutureFromResponse(resp)
	return
}

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

// Delete deletes an existing Front Door with the specified parameters.
// Parameters:
// resourceGroupName - name of the Resource group within the Azure subscription.
// frontDoorName - name of the Front Door which is globally unique.
func (client FrontDoorsClient) Delete(ctx context.Context, resourceGroupName string, frontDoorName string) (result FrontDoorsDeleteFutureType, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/FrontDoorsClient.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: 80, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[a-zA-Z0-9_\-\(\)\.]*[^\.]$`, Chain: nil}}},
		{TargetValue: frontDoorName,
			Constraints: []validation.Constraint{{Target: "frontDoorName", Name: validation.MaxLength, Rule: 64, Chain: nil},
				{Target: "frontDoorName", Name: validation.MinLength, Rule: 5, Chain: nil},
				{Target: "frontDoorName", Name: validation.Pattern, Rule: `^[a-zA-Z0-9]+([-a-zA-Z0-9]?[a-zA-Z0-9])*$`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("frontdoor.FrontDoorsClient", "Delete", err.Error())
	}

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

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

	return
}

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

	const APIVersion = "2018-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsDelete(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/frontDoors/{frontDoorName}", 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 FrontDoorsClient) DeleteSender(req *http.Request) (future FrontDoorsDeleteFutureType, err error) {
	sd := autorest.GetSendDecorators(req.Context(), azure.DoRetryWithRegistration(client.Client))
	var resp *http.Response
	resp, err = autorest.SendWithSender(client, req, sd...)
	if err != nil {
		return
	}
	future.Future, err = azure.NewFutureFromResponse(resp)
	return
}

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

// Get gets a Front Door with the specified Front Door name under the specified subscription and resource group.
// Parameters:
// resourceGroupName - name of the Resource group within the Azure subscription.
// frontDoorName - name of the Front Door which is globally unique.
func (client FrontDoorsClient) Get(ctx context.Context, resourceGroupName string, frontDoorName string) (result FrontDoor, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/FrontDoorsClient.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: 80, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[a-zA-Z0-9_\-\(\)\.]*[^\.]$`, Chain: nil}}},
		{TargetValue: frontDoorName,
			Constraints: []validation.Constraint{{Target: "frontDoorName", Name: validation.MaxLength, Rule: 64, Chain: nil},
				{Target: "frontDoorName", Name: validation.MinLength, Rule: 5, Chain: nil},
				{Target: "frontDoorName", Name: validation.Pattern, Rule: `^[a-zA-Z0-9]+([-a-zA-Z0-9]?[a-zA-Z0-9])*$`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("frontdoor.FrontDoorsClient", "Get", err.Error())
	}

	req, err := client.GetPreparer(ctx, resourceGroupName, frontDoorName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "frontdoor.FrontDoorsClient", "Get", nil, "Failure preparing request")
		return
	}

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

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

	return
}

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

	const APIVersion = "2018-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/frontDoors/{frontDoorName}", 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 FrontDoorsClient) 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 FrontDoorsClient) GetResponder(resp *http.Response) (result FrontDoor, 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 of the Front Doors within an Azure subscription.
func (client FrontDoorsClient) List(ctx context.Context) (result ListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/FrontDoorsClient.List")
		defer func() {
			sc := -1
			if result.lr.Response.Response != nil {
				sc = result.lr.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.fn = client.listNextResults
	req, err := client.ListPreparer(ctx)
	if err != nil {
		err = autorest.NewErrorWithError(err, "frontdoor.FrontDoorsClient", "List", nil, "Failure preparing request")
		return
	}

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

	result.lr, err = client.ListResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "frontdoor.FrontDoorsClient", "List", resp, "Failure responding to request")
	}

	return
}

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

	const APIVersion = "2018-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/providers/Microsoft.Network/frontDoors", 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 FrontDoorsClient) 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 FrontDoorsClient) ListResponder(resp *http.Response) (result ListResult, 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 FrontDoorsClient) listNextResults(ctx context.Context, lastResults ListResult) (result ListResult, err error) {
	req, err := lastResults.listResultPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "frontdoor.FrontDoorsClient", "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, "frontdoor.FrontDoorsClient", "listNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "frontdoor.FrontDoorsClient", "listNextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListComplete enumerates all values, automatically crossing page boundaries as required.
func (client FrontDoorsClient) ListComplete(ctx context.Context) (result ListResultIterator, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/FrontDoorsClient.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)
	return
}

// ListByResourceGroup lists all of the Front Doors within a resource group under a subscription.
// Parameters:
// resourceGroupName - name of the Resource group within the Azure subscription.
func (client FrontDoorsClient) ListByResourceGroup(ctx context.Context, resourceGroupName string) (result ListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/FrontDoorsClient.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: 80, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[a-zA-Z0-9_\-\(\)\.]*[^\.]$`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("frontdoor.FrontDoorsClient", "ListByResourceGroup", err.Error())
	}

	result.fn = client.listByResourceGroupNextResults
	req, err := client.ListByResourceGroupPreparer(ctx, resourceGroupName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "frontdoor.FrontDoorsClient", "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, "frontdoor.FrontDoorsClient", "ListByResourceGroup", resp, "Failure sending request")
		return
	}

	result.lr, err = client.ListByResourceGroupResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "frontdoor.FrontDoorsClient", "ListByResourceGroup", resp, "Failure responding to request")
	}

	return
}

// ListByResourceGroupPreparer prepares the ListByResourceGroup request.
func (client FrontDoorsClient) ListByResourceGroupPreparer(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 = "2018-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/frontDoors", 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 FrontDoorsClient) ListByResourceGroupSender(req *http.Request) (*http.Response, error) {
	sd := autorest.GetSendDecorators(req.Context(), azure.DoRetryWithRegistration(client.Client))
	return autorest.SendWithSender(client, req, sd...)
}

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

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

// ValidateCustomDomain validates the custom domain mapping to ensure it maps to the correct Front Door endpoint in
// DNS.
// Parameters:
// resourceGroupName - name of the Resource group within the Azure subscription.
// frontDoorName - name of the Front Door which is globally unique.
// customDomainProperties - custom domain to be validated.
func (client FrontDoorsClient) ValidateCustomDomain(ctx context.Context, resourceGroupName string, frontDoorName string, customDomainProperties ValidateCustomDomainInput) (result ValidateCustomDomainOutput, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/FrontDoorsClient.ValidateCustomDomain")
		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: 80, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[a-zA-Z0-9_\-\(\)\.]*[^\.]$`, Chain: nil}}},
		{TargetValue: frontDoorName,
			Constraints: []validation.Constraint{{Target: "frontDoorName", Name: validation.MaxLength, Rule: 64, Chain: nil},
				{Target: "frontDoorName", Name: validation.MinLength, Rule: 5, Chain: nil},
				{Target: "frontDoorName", Name: validation.Pattern, Rule: `^[a-zA-Z0-9]+([-a-zA-Z0-9]?[a-zA-Z0-9])*$`, Chain: nil}}},
		{TargetValue: customDomainProperties,
			Constraints: []validation.Constraint{{Target: "customDomainProperties.HostName", Name: validation.Null, Rule: true, Chain: nil}}}}); err != nil {
		return result, validation.NewError("frontdoor.FrontDoorsClient", "ValidateCustomDomain", err.Error())
	}

	req, err := client.ValidateCustomDomainPreparer(ctx, resourceGroupName, frontDoorName, customDomainProperties)
	if err != nil {
		err = autorest.NewErrorWithError(err, "frontdoor.FrontDoorsClient", "ValidateCustomDomain", nil, "Failure preparing request")
		return
	}

	resp, err := client.ValidateCustomDomainSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "frontdoor.FrontDoorsClient", "ValidateCustomDomain", resp, "Failure sending request")
		return
	}

	result, err = client.ValidateCustomDomainResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "frontdoor.FrontDoorsClient", "ValidateCustomDomain", resp, "Failure responding to request")
	}

	return
}

// ValidateCustomDomainPreparer prepares the ValidateCustomDomain request.
func (client FrontDoorsClient) ValidateCustomDomainPreparer(ctx context.Context, resourceGroupName string, frontDoorName string, customDomainProperties ValidateCustomDomainInput) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"frontDoorName":     autorest.Encode("path", frontDoorName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2018-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; charset=utf-8"),
		autorest.AsPost(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/frontDoors/{frontDoorName}/validateCustomDomain", pathParameters),
		autorest.WithJSON(customDomainProperties),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

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

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