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api_op_DescribeSnapshots.go
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api_op_DescribeSnapshots.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package elasticache
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/elasticache/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Returns information about cluster or replication group snapshots. By default,
// DescribeSnapshots lists all of your snapshots; it can optionally describe a
// single snapshot, or just the snapshots associated with a particular cache
// cluster. This operation is valid for Redis only.
func (c *Client) DescribeSnapshots(ctx context.Context, params *DescribeSnapshotsInput, optFns ...func(*Options)) (*DescribeSnapshotsOutput, error) {
if params == nil {
params = &DescribeSnapshotsInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribeSnapshots", params, optFns, c.addOperationDescribeSnapshotsMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribeSnapshotsOutput)
out.ResultMetadata = metadata
return out, nil
}
// Represents the input of a DescribeSnapshotsMessage operation.
type DescribeSnapshotsInput struct {
// A user-supplied cluster identifier. If this parameter is specified, only
// snapshots associated with that specific cluster are described.
CacheClusterId *string
// An optional marker returned from a prior request. Use this marker for pagination
// of results from this operation. 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 marker is included in the response so
// that the remaining results can be retrieved. Default: 50 Constraints: minimum
// 20; maximum 50.
MaxRecords *int32
// A user-supplied replication group identifier. If this parameter is specified,
// only snapshots associated with that specific replication group are described.
ReplicationGroupId *string
// A Boolean value which if true, the node group (shard) configuration is included
// in the snapshot description.
ShowNodeGroupConfig *bool
// A user-supplied name of the snapshot. If this parameter is specified, only this
// snapshot are described.
SnapshotName *string
// If set to system, the output shows snapshots that were automatically created by
// ElastiCache. If set to user the output shows snapshots that were manually
// created. If omitted, the output shows both automatically and manually created
// snapshots.
SnapshotSource *string
noSmithyDocumentSerde
}
// Represents the output of a DescribeSnapshots operation.
type DescribeSnapshotsOutput struct {
// An optional marker returned from a prior request. Use this marker for pagination
// of results from this operation. If this parameter is specified, the response
// includes only records beyond the marker, up to the value specified by
// MaxRecords.
Marker *string
// A list of snapshots. Each item in the list contains detailed information about
// one snapshot.
Snapshots []types.Snapshot
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationDescribeSnapshotsMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsAwsquery_serializeOpDescribeSnapshots{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsquery_deserializeOpDescribeSnapshots{}, 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_opDescribeSnapshots(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
}
// DescribeSnapshotsAPIClient is a client that implements the DescribeSnapshots
// operation.
type DescribeSnapshotsAPIClient interface {
DescribeSnapshots(context.Context, *DescribeSnapshotsInput, ...func(*Options)) (*DescribeSnapshotsOutput, error)
}
var _ DescribeSnapshotsAPIClient = (*Client)(nil)
// DescribeSnapshotsPaginatorOptions is the paginator options for DescribeSnapshots
type DescribeSnapshotsPaginatorOptions struct {
// The maximum number of records to include in the response. If more records exist
// than the specified MaxRecords value, a marker is included in the response so
// that the remaining results can be retrieved. Default: 50 Constraints: minimum
// 20; maximum 50.
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
}
// DescribeSnapshotsPaginator is a paginator for DescribeSnapshots
type DescribeSnapshotsPaginator struct {
options DescribeSnapshotsPaginatorOptions
client DescribeSnapshotsAPIClient
params *DescribeSnapshotsInput
nextToken *string
firstPage bool
}
// NewDescribeSnapshotsPaginator returns a new DescribeSnapshotsPaginator
func NewDescribeSnapshotsPaginator(client DescribeSnapshotsAPIClient, params *DescribeSnapshotsInput, optFns ...func(*DescribeSnapshotsPaginatorOptions)) *DescribeSnapshotsPaginator {
if params == nil {
params = &DescribeSnapshotsInput{}
}
options := DescribeSnapshotsPaginatorOptions{}
if params.MaxRecords != nil {
options.Limit = *params.MaxRecords
}
for _, fn := range optFns {
fn(&options)
}
return &DescribeSnapshotsPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.Marker,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *DescribeSnapshotsPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next DescribeSnapshots page.
func (p *DescribeSnapshotsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeSnapshotsOutput, 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.DescribeSnapshots(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_opDescribeSnapshots(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "elasticache",
OperationName: "DescribeSnapshots",
}
}