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api_op_DescribeSourceRegions.go
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api_op_DescribeSourceRegions.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package rds
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/rds/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Returns a list of the source Amazon Web Services Regions where the current
// Amazon Web Services Region can create a read replica, copy a DB snapshot from,
// or replicate automated backups from. This API action supports pagination.
func (c *Client) DescribeSourceRegions(ctx context.Context, params *DescribeSourceRegionsInput, optFns ...func(*Options)) (*DescribeSourceRegionsOutput, error) {
if params == nil {
params = &DescribeSourceRegionsInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribeSourceRegions", params, optFns, c.addOperationDescribeSourceRegionsMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribeSourceRegionsOutput)
out.ResultMetadata = metadata
return out, nil
}
type DescribeSourceRegionsInput struct {
// This parameter isn't currently supported.
Filters []types.Filter
// An optional pagination token provided by a previous DescribeSourceRegions
// 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 called a marker is
// included in the response so you can retrieve the remaining results. Default: 100
// Constraints: Minimum 20, maximum 100.
MaxRecords *int32
// The source Amazon Web Services Region name. For example, us-east-1.
// Constraints:
//
// * Must specify a valid Amazon Web Services Region name.
RegionName *string
noSmithyDocumentSerde
}
// Contains the result of a successful invocation of the DescribeSourceRegions
// action.
type DescribeSourceRegionsOutput struct {
// 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
// A list of SourceRegion instances that contains each source Amazon Web Services
// Region that the current Amazon Web Services Region can get a read replica or a
// DB snapshot from.
SourceRegions []types.SourceRegion
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationDescribeSourceRegionsMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsAwsquery_serializeOpDescribeSourceRegions{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsquery_deserializeOpDescribeSourceRegions{}, 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 = addOpDescribeSourceRegionsValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeSourceRegions(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
}
// DescribeSourceRegionsAPIClient is a client that implements the
// DescribeSourceRegions operation.
type DescribeSourceRegionsAPIClient interface {
DescribeSourceRegions(context.Context, *DescribeSourceRegionsInput, ...func(*Options)) (*DescribeSourceRegionsOutput, error)
}
var _ DescribeSourceRegionsAPIClient = (*Client)(nil)
// DescribeSourceRegionsPaginatorOptions is the paginator options for
// DescribeSourceRegions
type DescribeSourceRegionsPaginatorOptions struct {
// The maximum number of records to include in the response. If more records exist
// than the specified MaxRecords value, a pagination token called a marker is
// included in the response so you can retrieve the remaining results. 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
}
// DescribeSourceRegionsPaginator is a paginator for DescribeSourceRegions
type DescribeSourceRegionsPaginator struct {
options DescribeSourceRegionsPaginatorOptions
client DescribeSourceRegionsAPIClient
params *DescribeSourceRegionsInput
nextToken *string
firstPage bool
}
// NewDescribeSourceRegionsPaginator returns a new DescribeSourceRegionsPaginator
func NewDescribeSourceRegionsPaginator(client DescribeSourceRegionsAPIClient, params *DescribeSourceRegionsInput, optFns ...func(*DescribeSourceRegionsPaginatorOptions)) *DescribeSourceRegionsPaginator {
if params == nil {
params = &DescribeSourceRegionsInput{}
}
options := DescribeSourceRegionsPaginatorOptions{}
if params.MaxRecords != nil {
options.Limit = *params.MaxRecords
}
for _, fn := range optFns {
fn(&options)
}
return &DescribeSourceRegionsPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.Marker,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *DescribeSourceRegionsPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next DescribeSourceRegions page.
func (p *DescribeSourceRegionsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeSourceRegionsOutput, 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.DescribeSourceRegions(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_opDescribeSourceRegions(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "rds",
OperationName: "DescribeSourceRegions",
}
}