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api_op_DescribeDBClusters.go
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api_op_DescribeDBClusters.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package docdb
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/service/docdb/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Returns information about provisioned Amazon DocumentDB clusters. This API
// operation supports pagination. For certain management features such as cluster
// and instance lifecycle management, Amazon DocumentDB leverages operational
// technology that is shared with Amazon RDS and Amazon Neptune. Use the
// filterName=engine,Values=docdb filter parameter to return only Amazon DocumentDB
// clusters.
func (c *Client) DescribeDBClusters(ctx context.Context, params *DescribeDBClustersInput, optFns ...func(*Options)) (*DescribeDBClustersOutput, error) {
if params == nil {
params = &DescribeDBClustersInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribeDBClusters", params, optFns, c.addOperationDescribeDBClustersMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribeDBClustersOutput)
out.ResultMetadata = metadata
return out, nil
}
// Represents the input to DescribeDBClusters.
type DescribeDBClustersInput struct {
// The user-provided cluster identifier. If this parameter is specified,
// information from only the specific cluster is returned. This parameter isn't
// case sensitive.
//
// Constraints:
//
// - If provided, must match an existing DBClusterIdentifier .
DBClusterIdentifier *string
// A filter that specifies one or more clusters to describe.
//
// Supported filters:
//
// - db-cluster-id - Accepts cluster identifiers and cluster Amazon Resource
// Names (ARNs). The results list only includes information about the clusters
// identified by these ARNs.
Filters []types.Filter
// An optional pagination token provided by a previous request. If this parameter
// is specified, the response includes only records beyond the marker, up to the
// value specified by MaxRecords .
Marker *string
// The maximum number of records to include in the response. If more records
// exist than the specified MaxRecords value, a pagination token (marker) is
// included in the response so that the remaining results can be retrieved.
//
// Default: 100
//
// Constraints: Minimum 20, maximum 100.
MaxRecords *int32
noSmithyDocumentSerde
}
// Represents the output of DescribeDBClusters.
type DescribeDBClustersOutput struct {
// A list of clusters.
DBClusters []types.DBCluster
// An optional pagination token provided by a previous request. If this parameter
// is specified, the response includes only records beyond the marker, up to the
// value specified by MaxRecords .
Marker *string
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationDescribeDBClustersMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsAwsquery_serializeOpDescribeDBClusters{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsquery_deserializeOpDescribeDBClusters{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "DescribeDBClusters"); 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 = addClientRequestID(stack); err != nil {
return err
}
if err = addComputeContentLength(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = addComputePayloadSHA256(stack); err != nil {
return err
}
if err = addRetry(stack, options); err != nil {
return err
}
if err = addRawResponseToMetadata(stack); err != nil {
return err
}
if err = 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 = addOpDescribeDBClustersValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeDBClusters(options.Region), middleware.Before); err != nil {
return err
}
if err = 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
}
// DescribeDBClustersAPIClient is a client that implements the DescribeDBClusters
// operation.
type DescribeDBClustersAPIClient interface {
DescribeDBClusters(context.Context, *DescribeDBClustersInput, ...func(*Options)) (*DescribeDBClustersOutput, error)
}
var _ DescribeDBClustersAPIClient = (*Client)(nil)
// DescribeDBClustersPaginatorOptions is the paginator options for
// DescribeDBClusters
type DescribeDBClustersPaginatorOptions struct {
// The maximum number of records to include in the response. If more records
// exist than the specified MaxRecords value, a pagination token (marker) is
// included in the response so that the remaining results can be retrieved.
//
// Default: 100
//
// Constraints: Minimum 20, maximum 100.
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
}
// DescribeDBClustersPaginator is a paginator for DescribeDBClusters
type DescribeDBClustersPaginator struct {
options DescribeDBClustersPaginatorOptions
client DescribeDBClustersAPIClient
params *DescribeDBClustersInput
nextToken *string
firstPage bool
}
// NewDescribeDBClustersPaginator returns a new DescribeDBClustersPaginator
func NewDescribeDBClustersPaginator(client DescribeDBClustersAPIClient, params *DescribeDBClustersInput, optFns ...func(*DescribeDBClustersPaginatorOptions)) *DescribeDBClustersPaginator {
if params == nil {
params = &DescribeDBClustersInput{}
}
options := DescribeDBClustersPaginatorOptions{}
if params.MaxRecords != nil {
options.Limit = *params.MaxRecords
}
for _, fn := range optFns {
fn(&options)
}
return &DescribeDBClustersPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.Marker,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *DescribeDBClustersPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next DescribeDBClusters page.
func (p *DescribeDBClustersPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeDBClustersOutput, error) {
if !p.HasMorePages() {
return nil, fmt.Errorf("no more pages available")
}
params := *p.params
params.Marker = p.nextToken
var limit *int32
if p.options.Limit > 0 {
limit = &p.options.Limit
}
params.MaxRecords = limit
result, err := p.client.DescribeDBClusters(ctx, ¶ms, optFns...)
if err != nil {
return nil, err
}
p.firstPage = false
prevToken := p.nextToken
p.nextToken = result.Marker
if p.options.StopOnDuplicateToken &&
prevToken != nil &&
p.nextToken != nil &&
*prevToken == *p.nextToken {
p.nextToken = nil
}
return result, nil
}
func newServiceMetadataMiddleware_opDescribeDBClusters(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "DescribeDBClusters",
}
}