clusters.go

package hdinsight

// 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"
)

// ClustersClient is the hDInsight Management Client
type ClustersClient struct {
	BaseClient
}

// NewClustersClient creates an instance of the ClustersClient client.
func NewClustersClient(subscriptionID string) ClustersClient {
	return NewClustersClientWithBaseURI(DefaultBaseURI, subscriptionID)
}

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

// Create creates a new HDInsight cluster with the specified parameters.
// Parameters:
// resourceGroupName - the name of the resource group.
// clusterName - the name of the cluster.
// parameters - the cluster create request.
func (client ClustersClient) Create(ctx context.Context, resourceGroupName string, clusterName string, parameters ClusterCreateParametersExtended) (result ClustersCreateFuture, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ClustersClient.Create")
		defer func() {
			sc := -1
			if result.FutureAPI != nil && result.FutureAPI.Response() != nil {
				sc = result.FutureAPI.Response().StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.CreatePreparer(ctx, resourceGroupName, clusterName, parameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "Create", nil, "Failure preparing request")
		return
	}

	result, err = client.CreateSender(req)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "Create", nil, "Failure sending request")
		return
	}

	return
}

// CreatePreparer prepares the Create request.
func (client ClustersClient) CreatePreparer(ctx context.Context, resourceGroupName string, clusterName string, parameters ClusterCreateParametersExtended) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"clusterName":       autorest.Encode("path", clusterName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2018-06-01-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.HDInsight/clusters/{clusterName}", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// CreateSender sends the Create request. The method will close the
// http.Response Body if it receives an error.
func (client ClustersClient) CreateSender(req *http.Request) (future ClustersCreateFuture, err error) {
	var resp *http.Response
	resp, err = client.Send(req, azure.DoRetryWithRegistration(client.Client))
	if err != nil {
		return
	}
	var azf azure.Future
	azf, err = azure.NewFutureFromResponse(resp)
	future.FutureAPI = &azf
	future.Result = func(client ClustersClient) (c Cluster, err error) {
		var done bool
		done, err = future.DoneWithContext(context.Background(), client)
		if err != nil {
			err = autorest.NewErrorWithError(err, "hdinsight.ClustersCreateFuture", "Result", future.Response(), "Polling failure")
			return
		}
		if !done {
			err = azure.NewAsyncOpIncompleteError("hdinsight.ClustersCreateFuture")
			return
		}
		sender := autorest.DecorateSender(client, autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
		c.Response.Response, err = future.GetResult(sender)
		if c.Response.Response == nil && err == nil {
			err = autorest.NewErrorWithError(err, "hdinsight.ClustersCreateFuture", "Result", nil, "received nil response and error")
		}
		if err == nil && c.Response.Response.StatusCode != http.StatusNoContent {
			c, err = client.CreateResponder(c.Response.Response)
			if err != nil {
				err = autorest.NewErrorWithError(err, "hdinsight.ClustersCreateFuture", "Result", c.Response.Response, "Failure responding to request")
			}
		}
		return
	}
	return
}

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

// Delete deletes the specified HDInsight cluster.
// Parameters:
// resourceGroupName - the name of the resource group.
// clusterName - the name of the cluster.
func (client ClustersClient) Delete(ctx context.Context, resourceGroupName string, clusterName string) (result ClustersDeleteFuture, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ClustersClient.Delete")
		defer func() {
			sc := -1
			if result.FutureAPI != nil && result.FutureAPI.Response() != nil {
				sc = result.FutureAPI.Response().StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.DeletePreparer(ctx, resourceGroupName, clusterName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "Delete", nil, "Failure preparing request")
		return
	}

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

	return
}

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

	const APIVersion = "2018-06-01-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.HDInsight/clusters/{clusterName}", 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 ClustersClient) DeleteSender(req *http.Request) (future ClustersDeleteFuture, err error) {
	var resp *http.Response
	resp, err = client.Send(req, azure.DoRetryWithRegistration(client.Client))
	if err != nil {
		return
	}
	var azf azure.Future
	azf, err = azure.NewFutureFromResponse(resp)
	future.FutureAPI = &azf
	future.Result = func(client ClustersClient) (ar autorest.Response, err error) {
		var done bool
		done, err = future.DoneWithContext(context.Background(), client)
		if err != nil {
			err = autorest.NewErrorWithError(err, "hdinsight.ClustersDeleteFuture", "Result", future.Response(), "Polling failure")
			return
		}
		if !done {
			err = azure.NewAsyncOpIncompleteError("hdinsight.ClustersDeleteFuture")
			return
		}
		ar.Response = future.Response()
		return
	}
	return
}

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

// ExecuteScriptActions executes script actions on the specified HDInsight cluster.
// Parameters:
// resourceGroupName - the name of the resource group.
// clusterName - the name of the cluster.
// parameters - the parameters for executing script actions.
func (client ClustersClient) ExecuteScriptActions(ctx context.Context, resourceGroupName string, clusterName string, parameters ExecuteScriptActionParameters) (result ClustersExecuteScriptActionsFuture, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ClustersClient.ExecuteScriptActions")
		defer func() {
			sc := -1
			if result.FutureAPI != nil && result.FutureAPI.Response() != nil {
				sc = result.FutureAPI.Response().StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: parameters,
			Constraints: []validation.Constraint{{Target: "parameters.PersistOnSuccess", Name: validation.Null, Rule: true, Chain: nil}}}}); err != nil {
		return result, validation.NewError("hdinsight.ClustersClient", "ExecuteScriptActions", err.Error())
	}

	req, err := client.ExecuteScriptActionsPreparer(ctx, resourceGroupName, clusterName, parameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "ExecuteScriptActions", nil, "Failure preparing request")
		return
	}

	result, err = client.ExecuteScriptActionsSender(req)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "ExecuteScriptActions", nil, "Failure sending request")
		return
	}

	return
}

// ExecuteScriptActionsPreparer prepares the ExecuteScriptActions request.
func (client ClustersClient) ExecuteScriptActionsPreparer(ctx context.Context, resourceGroupName string, clusterName string, parameters ExecuteScriptActionParameters) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"clusterName":       autorest.Encode("path", clusterName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2018-06-01-preview"
	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.HDInsight/clusters/{clusterName}/executeScriptActions", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ExecuteScriptActionsSender sends the ExecuteScriptActions request. The method will close the
// http.Response Body if it receives an error.
func (client ClustersClient) ExecuteScriptActionsSender(req *http.Request) (future ClustersExecuteScriptActionsFuture, err error) {
	var resp *http.Response
	resp, err = client.Send(req, azure.DoRetryWithRegistration(client.Client))
	if err != nil {
		return
	}
	var azf azure.Future
	azf, err = azure.NewFutureFromResponse(resp)
	future.FutureAPI = &azf
	future.Result = func(client ClustersClient) (ar autorest.Response, err error) {
		var done bool
		done, err = future.DoneWithContext(context.Background(), client)
		if err != nil {
			err = autorest.NewErrorWithError(err, "hdinsight.ClustersExecuteScriptActionsFuture", "Result", future.Response(), "Polling failure")
			return
		}
		if !done {
			err = azure.NewAsyncOpIncompleteError("hdinsight.ClustersExecuteScriptActionsFuture")
			return
		}
		ar.Response = future.Response()
		return
	}
	return
}

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

// Get gets the specified cluster.
// Parameters:
// resourceGroupName - the name of the resource group.
// clusterName - the name of the cluster.
func (client ClustersClient) Get(ctx context.Context, resourceGroupName string, clusterName string) (result Cluster, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ClustersClient.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, clusterName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "Get", nil, "Failure preparing request")
		return
	}

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

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

	return
}

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

	const APIVersion = "2018-06-01-preview"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.HDInsight/clusters/{clusterName}", 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 ClustersClient) 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 ClustersClient) GetResponder(resp *http.Response) (result Cluster, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// GetGatewaySettings gets the gateway settings for the specified cluster.
// Parameters:
// resourceGroupName - the name of the resource group.
// clusterName - the name of the cluster.
func (client ClustersClient) GetGatewaySettings(ctx context.Context, resourceGroupName string, clusterName string) (result GatewaySettings, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ClustersClient.GetGatewaySettings")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.GetGatewaySettingsPreparer(ctx, resourceGroupName, clusterName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "GetGatewaySettings", nil, "Failure preparing request")
		return
	}

	resp, err := client.GetGatewaySettingsSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "GetGatewaySettings", resp, "Failure sending request")
		return
	}

	result, err = client.GetGatewaySettingsResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "GetGatewaySettings", resp, "Failure responding to request")
		return
	}

	return
}

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

	const APIVersion = "2018-06-01-preview"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

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

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

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

// List lists all the HDInsight clusters under the subscription.
func (client ClustersClient) List(ctx context.Context) (result ClusterListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ClustersClient.List")
		defer func() {
			sc := -1
			if result.clr.Response.Response != nil {
				sc = result.clr.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.fn = client.listNextResults
	req, err := client.ListPreparer(ctx)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "List", nil, "Failure preparing request")
		return
	}

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

	result.clr, err = client.ListResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "List", resp, "Failure responding to request")
		return
	}
	if result.clr.hasNextLink() && result.clr.IsEmpty() {
		err = result.NextWithContext(ctx)
		return
	}

	return
}

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

	const APIVersion = "2018-06-01-preview"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

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

// ListResponder handles the response to the List request. The method always
// closes the http.Response Body.
func (client ClustersClient) ListResponder(resp *http.Response) (result ClusterListResult, err error) {
	err = autorest.Respond(
		resp,
		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 ClustersClient) listNextResults(ctx context.Context, lastResults ClusterListResult) (result ClusterListResult, err error) {
	req, err := lastResults.clusterListResultPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "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, "hdinsight.ClustersClient", "listNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "listNextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListComplete enumerates all values, automatically crossing page boundaries as required.
func (client ClustersClient) ListComplete(ctx context.Context) (result ClusterListResultIterator, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ClustersClient.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 the HDInsight clusters in a resource group.
// Parameters:
// resourceGroupName - the name of the resource group.
func (client ClustersClient) ListByResourceGroup(ctx context.Context, resourceGroupName string) (result ClusterListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ClustersClient.ListByResourceGroup")
		defer func() {
			sc := -1
			if result.clr.Response.Response != nil {
				sc = result.clr.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.fn = client.listByResourceGroupNextResults
	req, err := client.ListByResourceGroupPreparer(ctx, resourceGroupName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "ListByResourceGroup", nil, "Failure preparing request")
		return
	}

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

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

	return
}

// ListByResourceGroupPreparer prepares the ListByResourceGroup request.
func (client ClustersClient) 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 = "2018-06-01-preview"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.HDInsight/clusters", 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 ClustersClient) 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 ClustersClient) ListByResourceGroupResponder(resp *http.Response) (result ClusterListResult, 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 ClustersClient) listByResourceGroupNextResults(ctx context.Context, lastResults ClusterListResult) (result ClusterListResult, err error) {
	req, err := lastResults.clusterListResultPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "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, "hdinsight.ClustersClient", "listByResourceGroupNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListByResourceGroupResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "listByResourceGroupNextResults", resp, "Failure responding to next results request")
	}
	return
}

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

// Resize resizes the specified HDInsight cluster to the specified size.
// Parameters:
// resourceGroupName - the name of the resource group.
// clusterName - the name of the cluster.
// parameters - the parameters for the resize operation.
func (client ClustersClient) Resize(ctx context.Context, resourceGroupName string, clusterName string, parameters ClusterResizeParameters) (result ClustersResizeFuture, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ClustersClient.Resize")
		defer func() {
			sc := -1
			if result.FutureAPI != nil && result.FutureAPI.Response() != nil {
				sc = result.FutureAPI.Response().StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.ResizePreparer(ctx, resourceGroupName, clusterName, parameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "Resize", nil, "Failure preparing request")
		return
	}

	result, err = client.ResizeSender(req)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "Resize", nil, "Failure sending request")
		return
	}

	return
}

// ResizePreparer prepares the Resize request.
func (client ClustersClient) ResizePreparer(ctx context.Context, resourceGroupName string, clusterName string, parameters ClusterResizeParameters) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"clusterName":       autorest.Encode("path", clusterName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"roleName":          autorest.Encode("path", "workernode"),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2018-06-01-preview"
	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.HDInsight/clusters/{clusterName}/roles/{roleName}/resize", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ResizeSender sends the Resize request. The method will close the
// http.Response Body if it receives an error.
func (client ClustersClient) ResizeSender(req *http.Request) (future ClustersResizeFuture, err error) {
	var resp *http.Response
	resp, err = client.Send(req, azure.DoRetryWithRegistration(client.Client))
	if err != nil {
		return
	}
	var azf azure.Future
	azf, err = azure.NewFutureFromResponse(resp)
	future.FutureAPI = &azf
	future.Result = func(client ClustersClient) (ar autorest.Response, err error) {
		var done bool
		done, err = future.DoneWithContext(context.Background(), client)
		if err != nil {
			err = autorest.NewErrorWithError(err, "hdinsight.ClustersResizeFuture", "Result", future.Response(), "Polling failure")
			return
		}
		if !done {
			err = azure.NewAsyncOpIncompleteError("hdinsight.ClustersResizeFuture")
			return
		}
		ar.Response = future.Response()
		return
	}
	return
}

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

// RotateDiskEncryptionKey rotate disk encryption key of the specified HDInsight cluster.
// Parameters:
// resourceGroupName - the name of the resource group.
// clusterName - the name of the cluster.
// parameters - the parameters for the disk encryption operation.
func (client ClustersClient) RotateDiskEncryptionKey(ctx context.Context, resourceGroupName string, clusterName string, parameters ClusterDiskEncryptionParameters) (result ClustersRotateDiskEncryptionKeyFuture, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ClustersClient.RotateDiskEncryptionKey")
		defer func() {
			sc := -1
			if result.FutureAPI != nil && result.FutureAPI.Response() != nil {
				sc = result.FutureAPI.Response().StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.RotateDiskEncryptionKeyPreparer(ctx, resourceGroupName, clusterName, parameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "RotateDiskEncryptionKey", nil, "Failure preparing request")
		return
	}

	result, err = client.RotateDiskEncryptionKeySender(req)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "RotateDiskEncryptionKey", nil, "Failure sending request")
		return
	}

	return
}

// RotateDiskEncryptionKeyPreparer prepares the RotateDiskEncryptionKey request.
func (client ClustersClient) RotateDiskEncryptionKeyPreparer(ctx context.Context, resourceGroupName string, clusterName string, parameters ClusterDiskEncryptionParameters) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"clusterName":       autorest.Encode("path", clusterName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2018-06-01-preview"
	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.HDInsight/clusters/{clusterName}/rotatediskencryptionkey", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// RotateDiskEncryptionKeySender sends the RotateDiskEncryptionKey request. The method will close the
// http.Response Body if it receives an error.
func (client ClustersClient) RotateDiskEncryptionKeySender(req *http.Request) (future ClustersRotateDiskEncryptionKeyFuture, err error) {
	var resp *http.Response
	resp, err = client.Send(req, azure.DoRetryWithRegistration(client.Client))
	if err != nil {
		return
	}
	var azf azure.Future
	azf, err = azure.NewFutureFromResponse(resp)
	future.FutureAPI = &azf
	future.Result = func(client ClustersClient) (ar autorest.Response, err error) {
		var done bool
		done, err = future.DoneWithContext(context.Background(), client)
		if err != nil {
			err = autorest.NewErrorWithError(err, "hdinsight.ClustersRotateDiskEncryptionKeyFuture", "Result", future.Response(), "Polling failure")
			return
		}
		if !done {
			err = azure.NewAsyncOpIncompleteError("hdinsight.ClustersRotateDiskEncryptionKeyFuture")
			return
		}
		ar.Response = future.Response()
		return
	}
	return
}

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

// Update patch HDInsight cluster with the specified parameters.
// Parameters:
// resourceGroupName - the name of the resource group.
// clusterName - the name of the cluster.
// parameters - the cluster patch request.
func (client ClustersClient) Update(ctx context.Context, resourceGroupName string, clusterName string, parameters ClusterPatchParameters) (result Cluster, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ClustersClient.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, clusterName, parameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "Update", nil, "Failure preparing request")
		return
	}

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

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

	return
}

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

	const APIVersion = "2018-06-01-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.HDInsight/clusters/{clusterName}", 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 ClustersClient) 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 ClustersClient) UpdateResponder(resp *http.Response) (result Cluster, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// UpdateAutoScaleConfiguration updates the Autoscale Configuration for HDInsight cluster.
// Parameters:
// resourceGroupName - the name of the resource group.
// clusterName - the name of the cluster.
// parameters - the parameters for the update autoscale configuration operation.
func (client ClustersClient) UpdateAutoScaleConfiguration(ctx context.Context, resourceGroupName string, clusterName string, parameters AutoscaleConfigurationUpdateParameter) (result ClustersUpdateAutoScaleConfigurationFuture, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ClustersClient.UpdateAutoScaleConfiguration")
		defer func() {
			sc := -1
			if result.FutureAPI != nil && result.FutureAPI.Response() != nil {
				sc = result.FutureAPI.Response().StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.UpdateAutoScaleConfigurationPreparer(ctx, resourceGroupName, clusterName, parameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "UpdateAutoScaleConfiguration", nil, "Failure preparing request")
		return
	}

	result, err = client.UpdateAutoScaleConfigurationSender(req)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "UpdateAutoScaleConfiguration", nil, "Failure sending request")
		return
	}

	return
}

// UpdateAutoScaleConfigurationPreparer prepares the UpdateAutoScaleConfiguration request.
func (client ClustersClient) UpdateAutoScaleConfigurationPreparer(ctx context.Context, resourceGroupName string, clusterName string, parameters AutoscaleConfigurationUpdateParameter) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"clusterName":       autorest.Encode("path", clusterName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"roleName":          autorest.Encode("path", "workernode"),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2018-06-01-preview"
	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.HDInsight/clusters/{clusterName}/roles/{roleName}/autoscale", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// UpdateAutoScaleConfigurationSender sends the UpdateAutoScaleConfiguration request. The method will close the
// http.Response Body if it receives an error.
func (client ClustersClient) UpdateAutoScaleConfigurationSender(req *http.Request) (future ClustersUpdateAutoScaleConfigurationFuture, err error) {
	var resp *http.Response
	resp, err = client.Send(req, azure.DoRetryWithRegistration(client.Client))
	if err != nil {
		return
	}
	var azf azure.Future
	azf, err = azure.NewFutureFromResponse(resp)
	future.FutureAPI = &azf
	future.Result = func(client ClustersClient) (ar autorest.Response, err error) {
		var done bool
		done, err = future.DoneWithContext(context.Background(), client)
		if err != nil {
			err = autorest.NewErrorWithError(err, "hdinsight.ClustersUpdateAutoScaleConfigurationFuture", "Result", future.Response(), "Polling failure")
			return
		}
		if !done {
			err = azure.NewAsyncOpIncompleteError("hdinsight.ClustersUpdateAutoScaleConfigurationFuture")
			return
		}
		ar.Response = future.Response()
		return
	}
	return
}

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

// UpdateGatewaySettings configures the gateway settings on the specified cluster.
// Parameters:
// resourceGroupName - the name of the resource group.
// clusterName - the name of the cluster.
// parameters - the cluster configurations.
func (client ClustersClient) UpdateGatewaySettings(ctx context.Context, resourceGroupName string, clusterName string, parameters UpdateGatewaySettingsParameters) (result ClustersUpdateGatewaySettingsFuture, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ClustersClient.UpdateGatewaySettings")
		defer func() {
			sc := -1
			if result.FutureAPI != nil && result.FutureAPI.Response() != nil {
				sc = result.FutureAPI.Response().StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.UpdateGatewaySettingsPreparer(ctx, resourceGroupName, clusterName, parameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "UpdateGatewaySettings", nil, "Failure preparing request")
		return
	}

	result, err = client.UpdateGatewaySettingsSender(req)
	if err != nil {
		err = autorest.NewErrorWithError(err, "hdinsight.ClustersClient", "UpdateGatewaySettings", nil, "Failure sending request")
		return
	}

	return
}

// UpdateGatewaySettingsPreparer prepares the UpdateGatewaySettings request.
func (client ClustersClient) UpdateGatewaySettingsPreparer(ctx context.Context, resourceGroupName string, clusterName string, parameters UpdateGatewaySettingsParameters) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"clusterName":       autorest.Encode("path", clusterName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2018-06-01-preview"
	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.HDInsight/clusters/{clusterName}/updateGatewaySettings", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// UpdateGatewaySettingsSender sends the UpdateGatewaySettings request. The method will close the
// http.Response Body if it receives an error.
func (client ClustersClient) UpdateGatewaySettingsSender(req *http.Request) (future ClustersUpdateGatewaySettingsFuture, err error) {
	var resp *http.Response
	resp, err = client.Send(req, azure.DoRetryWithRegistration(client.Client))
	if err != nil {
		return
	}
	var azf azure.Future
	azf, err = azure.NewFutureFromResponse(resp)
	future.FutureAPI = &azf
	future.Result = func(client ClustersClient) (ar autorest.Response, err error) {
		var done bool
		done, err = future.DoneWithContext(context.Background(), client)
		if err != nil {
			err = autorest.NewErrorWithError(err, "hdinsight.ClustersUpdateGatewaySettingsFuture", "Result", future.Response(), "Polling failure")
			return
		}
		if !done {
			err = azure.NewAsyncOpIncompleteError("hdinsight.ClustersUpdateGatewaySettingsFuture")
			return
		}
		ar.Response = future.Response()
		return
	}
	return
}

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