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api_op_DescribeCapacityBlockOfferings.go
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api_op_DescribeCapacityBlockOfferings.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/aws/signer/v4"
"github.com/aws/aws-sdk-go-v2/service/ec2/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
"time"
)
// Describes Capacity Block offerings available for purchase. With Capacity
// Blocks, you purchase a specific instance type for a period of time.
func (c *Client) DescribeCapacityBlockOfferings(ctx context.Context, params *DescribeCapacityBlockOfferingsInput, optFns ...func(*Options)) (*DescribeCapacityBlockOfferingsOutput, error) {
if params == nil {
params = &DescribeCapacityBlockOfferingsInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribeCapacityBlockOfferings", params, optFns, c.addOperationDescribeCapacityBlockOfferingsMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribeCapacityBlockOfferingsOutput)
out.ResultMetadata = metadata
return out, nil
}
type DescribeCapacityBlockOfferingsInput struct {
// The number of hours for which to reserve Capacity Block.
//
// This member is required.
CapacityDurationHours *int32
// The number of instances for which to reserve capacity.
//
// This member is required.
InstanceCount *int32
// The type of instance for which the Capacity Block offering reserves capacity.
//
// This member is required.
InstanceType *string
// Checks whether you have the required permissions for the action, without
// actually making the request, and provides an error response. If you have the
// required permissions, the error response is DryRunOperation . Otherwise, it is
// UnauthorizedOperation .
DryRun *bool
// The latest end date for the Capacity Block offering.
EndDateRange *time.Time
// 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
// The token to use to retrieve the next page of results.
NextToken *string
// The earliest start date for the Capacity Block offering.
StartDateRange *time.Time
noSmithyDocumentSerde
}
type DescribeCapacityBlockOfferingsOutput struct {
// The recommended Capacity Block offering for the dates specified.
CapacityBlockOfferings []types.CapacityBlockOffering
// 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
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationDescribeCapacityBlockOfferingsMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsEc2query_serializeOpDescribeCapacityBlockOfferings{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsEc2query_deserializeOpDescribeCapacityBlockOfferings{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "DescribeCapacityBlockOfferings"); 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 = addOpDescribeCapacityBlockOfferingsValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeCapacityBlockOfferings(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
}
// DescribeCapacityBlockOfferingsAPIClient is a client that implements the
// DescribeCapacityBlockOfferings operation.
type DescribeCapacityBlockOfferingsAPIClient interface {
DescribeCapacityBlockOfferings(context.Context, *DescribeCapacityBlockOfferingsInput, ...func(*Options)) (*DescribeCapacityBlockOfferingsOutput, error)
}
var _ DescribeCapacityBlockOfferingsAPIClient = (*Client)(nil)
// DescribeCapacityBlockOfferingsPaginatorOptions is the paginator options for
// DescribeCapacityBlockOfferings
type DescribeCapacityBlockOfferingsPaginatorOptions 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
}
// DescribeCapacityBlockOfferingsPaginator is a paginator for
// DescribeCapacityBlockOfferings
type DescribeCapacityBlockOfferingsPaginator struct {
options DescribeCapacityBlockOfferingsPaginatorOptions
client DescribeCapacityBlockOfferingsAPIClient
params *DescribeCapacityBlockOfferingsInput
nextToken *string
firstPage bool
}
// NewDescribeCapacityBlockOfferingsPaginator returns a new
// DescribeCapacityBlockOfferingsPaginator
func NewDescribeCapacityBlockOfferingsPaginator(client DescribeCapacityBlockOfferingsAPIClient, params *DescribeCapacityBlockOfferingsInput, optFns ...func(*DescribeCapacityBlockOfferingsPaginatorOptions)) *DescribeCapacityBlockOfferingsPaginator {
if params == nil {
params = &DescribeCapacityBlockOfferingsInput{}
}
options := DescribeCapacityBlockOfferingsPaginatorOptions{}
if params.MaxResults != nil {
options.Limit = *params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &DescribeCapacityBlockOfferingsPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *DescribeCapacityBlockOfferingsPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next DescribeCapacityBlockOfferings page.
func (p *DescribeCapacityBlockOfferingsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeCapacityBlockOfferingsOutput, 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
result, err := p.client.DescribeCapacityBlockOfferings(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_opDescribeCapacityBlockOfferings(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "DescribeCapacityBlockOfferings",
}
}