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api_op_DescribeHostReservationOfferings.go
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api_op_DescribeHostReservationOfferings.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package ec2
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/service/ec2/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Describes the Dedicated Host reservations that are available to purchase.
//
// The results describe all of the Dedicated Host reservation offerings, including
// offerings that might not match the instance family and Region of your Dedicated
// Hosts. When purchasing an offering, ensure that the instance family and Region
// of the offering matches that of the Dedicated Hosts with which it is to be
// associated. For more information about supported instance types, see [Dedicated Hosts]in the
// Amazon EC2 User Guide.
//
// [Dedicated Hosts]: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/dedicated-hosts-overview.html
func (c *Client) DescribeHostReservationOfferings(ctx context.Context, params *DescribeHostReservationOfferingsInput, optFns ...func(*Options)) (*DescribeHostReservationOfferingsOutput, error) {
if params == nil {
params = &DescribeHostReservationOfferingsInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribeHostReservationOfferings", params, optFns, c.addOperationDescribeHostReservationOfferingsMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribeHostReservationOfferingsOutput)
out.ResultMetadata = metadata
return out, nil
}
type DescribeHostReservationOfferingsInput struct {
// The filters.
//
// - instance-family - The instance family of the offering (for example, m4 ).
//
// - payment-option - The payment option ( NoUpfront | PartialUpfront |
// AllUpfront ).
Filter []types.Filter
// This is the maximum duration of the reservation to purchase, specified in
// seconds. Reservations are available in one-year and three-year terms. The number
// of seconds specified must be the number of seconds in a year (365x24x60x60)
// times one of the supported durations (1 or 3). For example, specify 94608000 for
// three years.
MaxDuration *int32
// The maximum number of results to return for the request in a single page. The
// remaining results can be seen by sending another request with the returned
// nextToken value. This value can be between 5 and 500. If maxResults is given a
// larger value than 500, you receive an error.
MaxResults *int32
// This is the minimum duration of the reservation you'd like to purchase,
// specified in seconds. Reservations are available in one-year and three-year
// terms. The number of seconds specified must be the number of seconds in a year
// (365x24x60x60) times one of the supported durations (1 or 3). For example,
// specify 31536000 for one year.
MinDuration *int32
// The token to use to retrieve the next page of results.
NextToken *string
// The ID of the reservation offering.
OfferingId *string
noSmithyDocumentSerde
}
type DescribeHostReservationOfferingsOutput struct {
// The token to use to retrieve the next page of results. This value is null when
// there are no more results to return.
NextToken *string
// Information about the offerings.
OfferingSet []types.HostOffering
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationDescribeHostReservationOfferingsMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsEc2query_serializeOpDescribeHostReservationOfferings{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsEc2query_deserializeOpDescribeHostReservationOfferings{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "DescribeHostReservationOfferings"); 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 = addClientRequestID(stack); err != nil {
return err
}
if err = addComputeContentLength(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = addComputePayloadSHA256(stack); err != nil {
return err
}
if err = addRetry(stack, options); err != nil {
return err
}
if err = addRawResponseToMetadata(stack); err != nil {
return err
}
if err = addRecordResponseTiming(stack); err != nil {
return err
}
if err = addSpanRetryLoop(stack, options); 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 = addTimeOffsetBuild(stack, c); err != nil {
return err
}
if err = addUserAgentRetryMode(stack, options); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeHostReservationOfferings(options.Region), middleware.Before); err != nil {
return err
}
if err = 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
}
if err = addSpanInitializeStart(stack); err != nil {
return err
}
if err = addSpanInitializeEnd(stack); err != nil {
return err
}
if err = addSpanBuildRequestStart(stack); err != nil {
return err
}
if err = addSpanBuildRequestEnd(stack); err != nil {
return err
}
return nil
}
// DescribeHostReservationOfferingsPaginatorOptions is the paginator options for
// DescribeHostReservationOfferings
type DescribeHostReservationOfferingsPaginatorOptions struct {
// The maximum number of results to return for the request in a single page. The
// remaining results can be seen by sending another request with the returned
// nextToken value. This value can be between 5 and 500. If maxResults is given a
// larger value than 500, you receive an error.
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
}
// DescribeHostReservationOfferingsPaginator is a paginator for
// DescribeHostReservationOfferings
type DescribeHostReservationOfferingsPaginator struct {
options DescribeHostReservationOfferingsPaginatorOptions
client DescribeHostReservationOfferingsAPIClient
params *DescribeHostReservationOfferingsInput
nextToken *string
firstPage bool
}
// NewDescribeHostReservationOfferingsPaginator returns a new
// DescribeHostReservationOfferingsPaginator
func NewDescribeHostReservationOfferingsPaginator(client DescribeHostReservationOfferingsAPIClient, params *DescribeHostReservationOfferingsInput, optFns ...func(*DescribeHostReservationOfferingsPaginatorOptions)) *DescribeHostReservationOfferingsPaginator {
if params == nil {
params = &DescribeHostReservationOfferingsInput{}
}
options := DescribeHostReservationOfferingsPaginatorOptions{}
if params.MaxResults != nil {
options.Limit = *params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &DescribeHostReservationOfferingsPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *DescribeHostReservationOfferingsPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next DescribeHostReservationOfferings page.
func (p *DescribeHostReservationOfferingsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeHostReservationOfferingsOutput, error) {
if !p.HasMorePages() {
return nil, fmt.Errorf("no more pages available")
}
params := *p.params
params.NextToken = p.nextToken
var limit *int32
if p.options.Limit > 0 {
limit = &p.options.Limit
}
params.MaxResults = limit
optFns = append([]func(*Options){
addIsPaginatorUserAgent,
}, optFns...)
result, err := p.client.DescribeHostReservationOfferings(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
}
// DescribeHostReservationOfferingsAPIClient is a client that implements the
// DescribeHostReservationOfferings operation.
type DescribeHostReservationOfferingsAPIClient interface {
DescribeHostReservationOfferings(context.Context, *DescribeHostReservationOfferingsInput, ...func(*Options)) (*DescribeHostReservationOfferingsOutput, error)
}
var _ DescribeHostReservationOfferingsAPIClient = (*Client)(nil)
func newServiceMetadataMiddleware_opDescribeHostReservationOfferings(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "DescribeHostReservationOfferings",
}
}