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api_op_DescribeReservedInstanceOfferings.go
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api_op_DescribeReservedInstanceOfferings.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package opensearch
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
"github.com/aws/aws-sdk-go-v2/service/opensearch/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Describes the available Amazon OpenSearch Service Reserved Instance offerings
// for a given Region. For more information, see Reserved Instances in Amazon
// OpenSearch Service (https://docs.aws.amazon.com/opensearch-service/latest/developerguide/ri.html)
// .
func (c *Client) DescribeReservedInstanceOfferings(ctx context.Context, params *DescribeReservedInstanceOfferingsInput, optFns ...func(*Options)) (*DescribeReservedInstanceOfferingsOutput, error) {
if params == nil {
params = &DescribeReservedInstanceOfferingsInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribeReservedInstanceOfferings", params, optFns, c.addOperationDescribeReservedInstanceOfferingsMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribeReservedInstanceOfferingsOutput)
out.ResultMetadata = metadata
return out, nil
}
// Container for the request parameters to a DescribeReservedInstanceOfferings
// operation.
type DescribeReservedInstanceOfferingsInput struct {
// An optional parameter that specifies the maximum number of results to return.
// You can use nextToken to get the next page of results.
MaxResults int32
// If your initial DescribeReservedInstanceOfferings operation returns a nextToken
// , you can include the returned nextToken in subsequent
// DescribeReservedInstanceOfferings operations, which returns results in the next
// page.
NextToken *string
// The Reserved Instance identifier filter value. Use this parameter to show only
// the available instance types that match the specified reservation identifier.
ReservedInstanceOfferingId *string
noSmithyDocumentSerde
}
// Container for results of a DescribeReservedInstanceOfferings request.
type DescribeReservedInstanceOfferingsOutput struct {
// When nextToken is returned, there are more results available. The value of
// nextToken is a unique pagination token for each page. Make the call again using
// the returned token to retrieve the next page.
NextToken *string
// List of Reserved Instance offerings.
ReservedInstanceOfferings []types.ReservedInstanceOffering
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationDescribeReservedInstanceOfferingsMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsRestjson1_serializeOpDescribeReservedInstanceOfferings{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsRestjson1_deserializeOpDescribeReservedInstanceOfferings{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "DescribeReservedInstanceOfferings"); err != nil {
return fmt.Errorf("add protocol finalizers: %v", err)
}
if err = addlegacyEndpointContextSetter(stack, options); err != nil {
return err
}
if err = addSetLoggerMiddleware(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
return err
}
if err = addRetryMiddlewares(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
return err
}
if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
return err
}
if err = addClientUserAgent(stack, options); err != nil {
return err
}
if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeReservedInstanceOfferings(options.Region), middleware.Before); err != nil {
return err
}
if err = awsmiddleware.AddRecursionDetection(stack); err != nil {
return err
}
if err = addRequestIDRetrieverMiddleware(stack); err != nil {
return err
}
if err = addResponseErrorMiddleware(stack); err != nil {
return err
}
if err = addRequestResponseLogging(stack, options); err != nil {
return err
}
if err = addDisableHTTPSMiddleware(stack, options); err != nil {
return err
}
return nil
}
// DescribeReservedInstanceOfferingsAPIClient is a client that implements the
// DescribeReservedInstanceOfferings operation.
type DescribeReservedInstanceOfferingsAPIClient interface {
DescribeReservedInstanceOfferings(context.Context, *DescribeReservedInstanceOfferingsInput, ...func(*Options)) (*DescribeReservedInstanceOfferingsOutput, error)
}
var _ DescribeReservedInstanceOfferingsAPIClient = (*Client)(nil)
// DescribeReservedInstanceOfferingsPaginatorOptions is the paginator options for
// DescribeReservedInstanceOfferings
type DescribeReservedInstanceOfferingsPaginatorOptions struct {
// An optional parameter that specifies the maximum number of results to return.
// You can use nextToken to get the next page of results.
Limit int32
// Set to true if pagination should stop if the service returns a pagination token
// that matches the most recent token provided to the service.
StopOnDuplicateToken bool
}
// DescribeReservedInstanceOfferingsPaginator is a paginator for
// DescribeReservedInstanceOfferings
type DescribeReservedInstanceOfferingsPaginator struct {
options DescribeReservedInstanceOfferingsPaginatorOptions
client DescribeReservedInstanceOfferingsAPIClient
params *DescribeReservedInstanceOfferingsInput
nextToken *string
firstPage bool
}
// NewDescribeReservedInstanceOfferingsPaginator returns a new
// DescribeReservedInstanceOfferingsPaginator
func NewDescribeReservedInstanceOfferingsPaginator(client DescribeReservedInstanceOfferingsAPIClient, params *DescribeReservedInstanceOfferingsInput, optFns ...func(*DescribeReservedInstanceOfferingsPaginatorOptions)) *DescribeReservedInstanceOfferingsPaginator {
if params == nil {
params = &DescribeReservedInstanceOfferingsInput{}
}
options := DescribeReservedInstanceOfferingsPaginatorOptions{}
if params.MaxResults != 0 {
options.Limit = params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &DescribeReservedInstanceOfferingsPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *DescribeReservedInstanceOfferingsPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next DescribeReservedInstanceOfferings page.
func (p *DescribeReservedInstanceOfferingsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeReservedInstanceOfferingsOutput, error) {
if !p.HasMorePages() {
return nil, fmt.Errorf("no more pages available")
}
params := *p.params
params.NextToken = p.nextToken
params.MaxResults = p.options.Limit
result, err := p.client.DescribeReservedInstanceOfferings(ctx, ¶ms, optFns...)
if err != nil {
return nil, err
}
p.firstPage = false
prevToken := p.nextToken
p.nextToken = result.NextToken
if p.options.StopOnDuplicateToken &&
prevToken != nil &&
p.nextToken != nil &&
*prevToken == *p.nextToken {
p.nextToken = nil
}
return result, nil
}
func newServiceMetadataMiddleware_opDescribeReservedInstanceOfferings(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "DescribeReservedInstanceOfferings",
}
}