1// Code generated by smithy-go-codegen DO NOT EDIT. 2 3package emr 4 5import ( 6 "context" 7 "fmt" 8 awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware" 9 "github.com/aws/aws-sdk-go-v2/aws/signer/v4" 10 "github.com/aws/aws-sdk-go-v2/service/emr/types" 11 "github.com/aws/smithy-go/middleware" 12 smithyhttp "github.com/aws/smithy-go/transport/http" 13) 14 15// Lists all available details about the instance fleets in a cluster. The instance 16// fleet configuration is available only in Amazon EMR versions 4.8.0 and later, 17// excluding 5.0.x versions. 18func (c *Client) ListInstanceFleets(ctx context.Context, params *ListInstanceFleetsInput, optFns ...func(*Options)) (*ListInstanceFleetsOutput, error) { 19 if params == nil { 20 params = &ListInstanceFleetsInput{} 21 } 22 23 result, metadata, err := c.invokeOperation(ctx, "ListInstanceFleets", params, optFns, addOperationListInstanceFleetsMiddlewares) 24 if err != nil { 25 return nil, err 26 } 27 28 out := result.(*ListInstanceFleetsOutput) 29 out.ResultMetadata = metadata 30 return out, nil 31} 32 33type ListInstanceFleetsInput struct { 34 35 // The unique identifier of the cluster. 36 // 37 // This member is required. 38 ClusterId *string 39 40 // The pagination token that indicates the next set of results to retrieve. 41 Marker *string 42} 43 44type ListInstanceFleetsOutput struct { 45 46 // The list of instance fleets for the cluster and given filters. 47 InstanceFleets []types.InstanceFleet 48 49 // The pagination token that indicates the next set of results to retrieve. 50 Marker *string 51 52 // Metadata pertaining to the operation's result. 53 ResultMetadata middleware.Metadata 54} 55 56func addOperationListInstanceFleetsMiddlewares(stack *middleware.Stack, options Options) (err error) { 57 err = stack.Serialize.Add(&awsAwsjson11_serializeOpListInstanceFleets{}, middleware.After) 58 if err != nil { 59 return err 60 } 61 err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpListInstanceFleets{}, middleware.After) 62 if err != nil { 63 return err 64 } 65 if err = addSetLoggerMiddleware(stack, options); err != nil { 66 return err 67 } 68 if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil { 69 return err 70 } 71 if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil { 72 return err 73 } 74 if err = addResolveEndpointMiddleware(stack, options); err != nil { 75 return err 76 } 77 if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil { 78 return err 79 } 80 if err = addRetryMiddlewares(stack, options); err != nil { 81 return err 82 } 83 if err = addHTTPSignerV4Middleware(stack, options); err != nil { 84 return err 85 } 86 if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil { 87 return err 88 } 89 if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil { 90 return err 91 } 92 if err = addClientUserAgent(stack); err != nil { 93 return err 94 } 95 if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil { 96 return err 97 } 98 if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil { 99 return err 100 } 101 if err = addOpListInstanceFleetsValidationMiddleware(stack); err != nil { 102 return err 103 } 104 if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListInstanceFleets(options.Region), middleware.Before); err != nil { 105 return err 106 } 107 if err = addRequestIDRetrieverMiddleware(stack); err != nil { 108 return err 109 } 110 if err = addResponseErrorMiddleware(stack); err != nil { 111 return err 112 } 113 if err = addRequestResponseLogging(stack, options); err != nil { 114 return err 115 } 116 return nil 117} 118 119// ListInstanceFleetsAPIClient is a client that implements the ListInstanceFleets 120// operation. 121type ListInstanceFleetsAPIClient interface { 122 ListInstanceFleets(context.Context, *ListInstanceFleetsInput, ...func(*Options)) (*ListInstanceFleetsOutput, error) 123} 124 125var _ ListInstanceFleetsAPIClient = (*Client)(nil) 126 127// ListInstanceFleetsPaginatorOptions is the paginator options for 128// ListInstanceFleets 129type ListInstanceFleetsPaginatorOptions struct { 130 // Set to true if pagination should stop if the service returns a pagination token 131 // that matches the most recent token provided to the service. 132 StopOnDuplicateToken bool 133} 134 135// ListInstanceFleetsPaginator is a paginator for ListInstanceFleets 136type ListInstanceFleetsPaginator struct { 137 options ListInstanceFleetsPaginatorOptions 138 client ListInstanceFleetsAPIClient 139 params *ListInstanceFleetsInput 140 nextToken *string 141 firstPage bool 142} 143 144// NewListInstanceFleetsPaginator returns a new ListInstanceFleetsPaginator 145func NewListInstanceFleetsPaginator(client ListInstanceFleetsAPIClient, params *ListInstanceFleetsInput, optFns ...func(*ListInstanceFleetsPaginatorOptions)) *ListInstanceFleetsPaginator { 146 if params == nil { 147 params = &ListInstanceFleetsInput{} 148 } 149 150 options := ListInstanceFleetsPaginatorOptions{} 151 152 for _, fn := range optFns { 153 fn(&options) 154 } 155 156 return &ListInstanceFleetsPaginator{ 157 options: options, 158 client: client, 159 params: params, 160 firstPage: true, 161 } 162} 163 164// HasMorePages returns a boolean indicating whether more pages are available 165func (p *ListInstanceFleetsPaginator) HasMorePages() bool { 166 return p.firstPage || p.nextToken != nil 167} 168 169// NextPage retrieves the next ListInstanceFleets page. 170func (p *ListInstanceFleetsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListInstanceFleetsOutput, error) { 171 if !p.HasMorePages() { 172 return nil, fmt.Errorf("no more pages available") 173 } 174 175 params := *p.params 176 params.Marker = p.nextToken 177 178 result, err := p.client.ListInstanceFleets(ctx, ¶ms, optFns...) 179 if err != nil { 180 return nil, err 181 } 182 p.firstPage = false 183 184 prevToken := p.nextToken 185 p.nextToken = result.Marker 186 187 if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken { 188 p.nextToken = nil 189 } 190 191 return result, nil 192} 193 194func newServiceMetadataMiddleware_opListInstanceFleets(region string) *awsmiddleware.RegisterServiceMetadata { 195 return &awsmiddleware.RegisterServiceMetadata{ 196 Region: region, 197 ServiceID: ServiceID, 198 SigningName: "elasticmapreduce", 199 OperationName: "ListInstanceFleets", 200 } 201} 202