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api_op_ListNodegroups.go
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/
api_op_ListNodegroups.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package eks
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/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Lists the Amazon EKS managed node groups associated with the specified cluster
// in your AWS account in the specified Region. Self-managed node groups are not
// listed.
func (c *Client) ListNodegroups(ctx context.Context, params *ListNodegroupsInput, optFns ...func(*Options)) (*ListNodegroupsOutput, error) {
if params == nil {
params = &ListNodegroupsInput{}
}
result, metadata, err := c.invokeOperation(ctx, "ListNodegroups", params, optFns, c.addOperationListNodegroupsMiddlewares)
if err != nil {
return nil, err
}
out := result.(*ListNodegroupsOutput)
out.ResultMetadata = metadata
return out, nil
}
type ListNodegroupsInput struct {
// The name of the Amazon EKS cluster that you would like to list node groups in.
//
// This member is required.
ClusterName *string
// The maximum number of node group results returned by ListNodegroups in paginated
// output. When you use this parameter, ListNodegroups returns only maxResults
// results in a single page along with a nextToken response element. You can see
// the remaining results of the initial request by sending another ListNodegroups
// request with the returned nextToken value. This value can be between 1 and 100.
// If you don't use this parameter, ListNodegroups returns up to 100 results and a
// nextToken value if applicable.
MaxResults *int32
// The nextToken value returned from a previous paginated ListNodegroups request
// where maxResults was used and the results exceeded the value of that parameter.
// Pagination continues from the end of the previous results that returned the
// nextToken value.
NextToken *string
}
type ListNodegroupsOutput struct {
// The nextToken value to include in a future ListNodegroups request. When the
// results of a ListNodegroups request exceed maxResults, you can use this value to
// retrieve the next page of results. This value is null when there are no more
// results to return.
NextToken *string
// A list of all of the node groups associated with the specified cluster.
Nodegroups []string
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
}
func (c *Client) addOperationListNodegroupsMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsRestjson1_serializeOpListNodegroups{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsRestjson1_deserializeOpListNodegroups{}, 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 = addOpListNodegroupsValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListNodegroups(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
}
// ListNodegroupsAPIClient is a client that implements the ListNodegroups
// operation.
type ListNodegroupsAPIClient interface {
ListNodegroups(context.Context, *ListNodegroupsInput, ...func(*Options)) (*ListNodegroupsOutput, error)
}
var _ ListNodegroupsAPIClient = (*Client)(nil)
// ListNodegroupsPaginatorOptions is the paginator options for ListNodegroups
type ListNodegroupsPaginatorOptions struct {
// The maximum number of node group results returned by ListNodegroups in paginated
// output. When you use this parameter, ListNodegroups returns only maxResults
// results in a single page along with a nextToken response element. You can see
// the remaining results of the initial request by sending another ListNodegroups
// request with the returned nextToken value. This value can be between 1 and 100.
// If you don't use this parameter, ListNodegroups returns up to 100 results and a
// nextToken value if applicable.
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
}
// ListNodegroupsPaginator is a paginator for ListNodegroups
type ListNodegroupsPaginator struct {
options ListNodegroupsPaginatorOptions
client ListNodegroupsAPIClient
params *ListNodegroupsInput
nextToken *string
firstPage bool
}
// NewListNodegroupsPaginator returns a new ListNodegroupsPaginator
func NewListNodegroupsPaginator(client ListNodegroupsAPIClient, params *ListNodegroupsInput, optFns ...func(*ListNodegroupsPaginatorOptions)) *ListNodegroupsPaginator {
if params == nil {
params = &ListNodegroupsInput{}
}
options := ListNodegroupsPaginatorOptions{}
if params.MaxResults != nil {
options.Limit = *params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &ListNodegroupsPaginator{
options: options,
client: client,
params: params,
firstPage: true,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *ListNodegroupsPaginator) HasMorePages() bool {
return p.firstPage || p.nextToken != nil
}
// NextPage retrieves the next ListNodegroups page.
func (p *ListNodegroupsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListNodegroupsOutput, 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.ListNodegroups(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_opListNodegroups(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "eks",
OperationName: "ListNodegroups",
}
}