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api_op_DescribeSpotPriceHistory.go
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api_op_DescribeSpotPriceHistory.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 the Spot price history. For more information, see Spot Instance
// pricing history
// (https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-spot-instances-history.html)
// in the Amazon EC2 User Guide for Linux Instances. When you specify a start and
// end time, the operation returns the prices of the instance types within that
// time range. It also returns the last price change before the start time, which
// is the effective price as of the start time.
func (c *Client) DescribeSpotPriceHistory(ctx context.Context, params *DescribeSpotPriceHistoryInput, optFns ...func(*Options)) (*DescribeSpotPriceHistoryOutput, error) {
if params == nil {
params = &DescribeSpotPriceHistoryInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribeSpotPriceHistory", params, optFns, c.addOperationDescribeSpotPriceHistoryMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribeSpotPriceHistoryOutput)
out.ResultMetadata = metadata
return out, nil
}
// Contains the parameters for DescribeSpotPriceHistory.
type DescribeSpotPriceHistoryInput struct {
// Filters the results by the specified Availability Zone.
AvailabilityZone *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 date and time, up to the current date, from which to stop retrieving the
// price history data, in UTC format (for example, YYYY-MM-DDTHH:MM:SSZ).
EndTime *time.Time
// One or more filters.
//
// * availability-zone - The Availability Zone for which
// prices should be returned.
//
// * instance-type - The type of instance (for example,
// m3.medium).
//
// * product-description - The product description for the Spot price
// (Linux/UNIX | Red Hat Enterprise Linux | SUSE Linux | Windows | Linux/UNIX
// (Amazon VPC) | Red Hat Enterprise Linux (Amazon VPC) | SUSE Linux (Amazon VPC) |
// Windows (Amazon VPC)).
//
// * spot-price - The Spot price. The value must match
// exactly (or use wildcards; greater than or less than comparison is not
// supported).
//
// * timestamp - The time stamp of the Spot price history, in UTC
// format (for example, YYYY-MM-DDTHH:MM:SSZ). You can use wildcards (* and ?).
// Greater than or less than comparison is not supported.
Filters []types.Filter
// Filters the results by the specified instance types.
InstanceTypes []types.InstanceType
// The maximum number of results to return in a single call. Specify a value
// between 1 and 1000. The default value is 1000. To retrieve the remaining
// results, make another call with the returned NextToken value.
MaxResults *int32
// The token for the next set of results.
NextToken *string
// Filters the results by the specified basic product descriptions.
ProductDescriptions []string
// The date and time, up to the past 90 days, from which to start retrieving the
// price history data, in UTC format (for example, YYYY-MM-DDTHH:MM:SSZ).
StartTime *time.Time
noSmithyDocumentSerde
}
// Contains the output of DescribeSpotPriceHistory.
type DescribeSpotPriceHistoryOutput struct {
// The token required to retrieve the next set of results. This value is null or an
// empty string when there are no more results to return.
NextToken *string
// The historical Spot prices.
SpotPriceHistory []types.SpotPrice
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationDescribeSpotPriceHistoryMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsEc2query_serializeOpDescribeSpotPriceHistory{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsEc2query_deserializeOpDescribeSpotPriceHistory{}, middleware.After)
if 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 = addHTTPSignerV4Middleware(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); err != nil {
return err
}
if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeSpotPriceHistory(options.Region), middleware.Before); 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
}
return nil
}
// DescribeSpotPriceHistoryAPIClient is a client that implements the
// DescribeSpotPriceHistory operation.
type DescribeSpotPriceHistoryAPIClient interface {
DescribeSpotPriceHistory(context.Context, *DescribeSpotPriceHistoryInput, ...func(*Options)) (*DescribeSpotPriceHistoryOutput, error)
}
var _ DescribeSpotPriceHistoryAPIClient = (*Client)(nil)
// DescribeSpotPriceHistoryPaginatorOptions is the paginator options for
// DescribeSpotPriceHistory
type DescribeSpotPriceHistoryPaginatorOptions struct {
// The maximum number of results to return in a single call. Specify a value
// between 1 and 1000. The default value is 1000. To retrieve the remaining
// results, make another call with the returned NextToken value.
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
}
// DescribeSpotPriceHistoryPaginator is a paginator for DescribeSpotPriceHistory
type DescribeSpotPriceHistoryPaginator struct {
options DescribeSpotPriceHistoryPaginatorOptions
client DescribeSpotPriceHistoryAPIClient
params *DescribeSpotPriceHistoryInput
nextToken *string
firstPage bool
}
// NewDescribeSpotPriceHistoryPaginator returns a new
// DescribeSpotPriceHistoryPaginator
func NewDescribeSpotPriceHistoryPaginator(client DescribeSpotPriceHistoryAPIClient, params *DescribeSpotPriceHistoryInput, optFns ...func(*DescribeSpotPriceHistoryPaginatorOptions)) *DescribeSpotPriceHistoryPaginator {
if params == nil {
params = &DescribeSpotPriceHistoryInput{}
}
options := DescribeSpotPriceHistoryPaginatorOptions{}
if params.MaxResults != nil {
options.Limit = *params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &DescribeSpotPriceHistoryPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *DescribeSpotPriceHistoryPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next DescribeSpotPriceHistory page.
func (p *DescribeSpotPriceHistoryPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeSpotPriceHistoryOutput, 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.DescribeSpotPriceHistory(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_opDescribeSpotPriceHistory(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "ec2",
OperationName: "DescribeSpotPriceHistory",
}
}