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api_op_DescribeInstanceCreditSpecifications.go
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api_op_DescribeInstanceCreditSpecifications.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"
)
// Describes the credit option for CPU usage of the specified burstable
// performance instances. The credit options are standard and unlimited . If you do
// not specify an instance ID, Amazon EC2 returns burstable performance instances
// with the unlimited credit option, as well as instances that were previously
// configured as T2, T3, and T3a with the unlimited credit option. For example, if
// you resize a T2 instance, while it is configured as unlimited , to an M4
// instance, Amazon EC2 returns the M4 instance. If you specify one or more
// instance IDs, Amazon EC2 returns the credit option ( standard or unlimited ) of
// those instances. If you specify an instance ID that is not valid, such as an
// instance that is not a burstable performance instance, an error is returned.
// Recently terminated instances might appear in the returned results. This
// interval is usually less than one hour. If an Availability Zone is experiencing
// a service disruption and you specify instance IDs in the affected zone, or do
// not specify any instance IDs at all, the call fails. If you specify only
// instance IDs in an unaffected zone, the call works normally. For more
// information, see Burstable performance instances (https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/burstable-performance-instances.html)
// in the Amazon EC2 User Guide.
func (c *Client) DescribeInstanceCreditSpecifications(ctx context.Context, params *DescribeInstanceCreditSpecificationsInput, optFns ...func(*Options)) (*DescribeInstanceCreditSpecificationsOutput, error) {
if params == nil {
params = &DescribeInstanceCreditSpecificationsInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribeInstanceCreditSpecifications", params, optFns, c.addOperationDescribeInstanceCreditSpecificationsMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribeInstanceCreditSpecificationsOutput)
out.ResultMetadata = metadata
return out, nil
}
type DescribeInstanceCreditSpecificationsInput struct {
// 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 filters.
// - instance-id - The ID of the instance.
Filters []types.Filter
// The instance IDs. Default: Describes all your instances. Constraints: Maximum
// 1000 explicitly specified instance IDs.
InstanceIds []string
// The maximum number of items to return for this request. To get the next page of
// items, make another request with the token returned in the output. For more
// information, see Pagination (https://docs.aws.amazon.com/AWSEC2/latest/APIReference/Query-Requests.html#api-pagination)
// . You cannot specify this parameter and the instance IDs parameter in the same
// call.
MaxResults *int32
// The token returned from a previous paginated request. Pagination continues from
// the end of the items returned by the previous request.
NextToken *string
noSmithyDocumentSerde
}
type DescribeInstanceCreditSpecificationsOutput struct {
// Information about the credit option for CPU usage of an instance.
InstanceCreditSpecifications []types.InstanceCreditSpecification
// The token to include in another request to get the next page of items. This
// value is null when there are no more items to return.
NextToken *string
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationDescribeInstanceCreditSpecificationsMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsEc2query_serializeOpDescribeInstanceCreditSpecifications{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsEc2query_deserializeOpDescribeInstanceCreditSpecifications{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "DescribeInstanceCreditSpecifications"); 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_opDescribeInstanceCreditSpecifications(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
}
// DescribeInstanceCreditSpecificationsAPIClient is a client that implements the
// DescribeInstanceCreditSpecifications operation.
type DescribeInstanceCreditSpecificationsAPIClient interface {
DescribeInstanceCreditSpecifications(context.Context, *DescribeInstanceCreditSpecificationsInput, ...func(*Options)) (*DescribeInstanceCreditSpecificationsOutput, error)
}
var _ DescribeInstanceCreditSpecificationsAPIClient = (*Client)(nil)
// DescribeInstanceCreditSpecificationsPaginatorOptions is the paginator options
// for DescribeInstanceCreditSpecifications
type DescribeInstanceCreditSpecificationsPaginatorOptions struct {
// The maximum number of items to return for this request. To get the next page of
// items, make another request with the token returned in the output. For more
// information, see Pagination (https://docs.aws.amazon.com/AWSEC2/latest/APIReference/Query-Requests.html#api-pagination)
// . You cannot specify this parameter and the instance IDs parameter in the same
// call.
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
}
// DescribeInstanceCreditSpecificationsPaginator is a paginator for
// DescribeInstanceCreditSpecifications
type DescribeInstanceCreditSpecificationsPaginator struct {
options DescribeInstanceCreditSpecificationsPaginatorOptions
client DescribeInstanceCreditSpecificationsAPIClient
params *DescribeInstanceCreditSpecificationsInput
nextToken *string
firstPage bool
}
// NewDescribeInstanceCreditSpecificationsPaginator returns a new
// DescribeInstanceCreditSpecificationsPaginator
func NewDescribeInstanceCreditSpecificationsPaginator(client DescribeInstanceCreditSpecificationsAPIClient, params *DescribeInstanceCreditSpecificationsInput, optFns ...func(*DescribeInstanceCreditSpecificationsPaginatorOptions)) *DescribeInstanceCreditSpecificationsPaginator {
if params == nil {
params = &DescribeInstanceCreditSpecificationsInput{}
}
options := DescribeInstanceCreditSpecificationsPaginatorOptions{}
if params.MaxResults != nil {
options.Limit = *params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &DescribeInstanceCreditSpecificationsPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *DescribeInstanceCreditSpecificationsPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next DescribeInstanceCreditSpecifications page.
func (p *DescribeInstanceCreditSpecificationsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeInstanceCreditSpecificationsOutput, 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.DescribeInstanceCreditSpecifications(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_opDescribeInstanceCreditSpecifications(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "DescribeInstanceCreditSpecifications",
}
}