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api_op_DescribeTransitGateways.go
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api_op_DescribeTransitGateways.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package ec2
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/ec2/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Describes one or more transit gateways. By default, all transit gateways are
// described. Alternatively, you can filter the results.
func (c *Client) DescribeTransitGateways(ctx context.Context, params *DescribeTransitGatewaysInput, optFns ...func(*Options)) (*DescribeTransitGatewaysOutput, error) {
if params == nil {
params = &DescribeTransitGatewaysInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribeTransitGateways", params, optFns, addOperationDescribeTransitGatewaysMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribeTransitGatewaysOutput)
out.ResultMetadata = metadata
return out, nil
}
type DescribeTransitGatewaysInput struct {
// Checks whether you have the required permissions for the action, without
// actually making the request, and provides an error response. If you have the
// required permissions, the error response is DryRunOperation. Otherwise, it is
// UnauthorizedOperation.
DryRun *bool
// One or more filters. The possible values are:
//
// *
// options.propagation-default-route-table-id - The ID of the default propagation
// route table.
//
// * options.amazon-side-asn - The private ASN for the Amazon side of
// a BGP session.
//
// * options.association-default-route-table-id - The ID of the
// default association route table.
//
// * options.auto-accept-shared-attachments -
// Indicates whether there is automatic acceptance of attachment requests (enable |
// disable).
//
// * options.default-route-table-association - Indicates whether
// resource attachments are automatically associated with the default association
// route table (enable | disable).
//
// * options.default-route-table-propagation -
// Indicates whether resource attachments automatically propagate routes to the
// default propagation route table (enable | disable).
//
// * options.dns-support -
// Indicates whether DNS support is enabled (enable | disable).
//
// *
// options.vpn-ecmp-support - Indicates whether Equal Cost Multipath Protocol
// support is enabled (enable | disable).
//
// * owner-id - The ID of the AWS account
// that owns the transit gateway.
//
// * state - The state of the transit gateway
// (available | deleted | deleting | modifying | pending).
//
// * transit-gateway-id -
// The ID of the transit gateway.
Filters []types.Filter
// The maximum number of results to return with a single call. To retrieve the
// remaining results, make another call with the returned nextToken value.
MaxResults *int32
// The token for the next page of results.
NextToken *string
// The IDs of the transit gateways.
TransitGatewayIds []string
}
type DescribeTransitGatewaysOutput struct {
// The token to use to retrieve the next page of results. This value is null when
// there are no more results to return.
NextToken *string
// Information about the transit gateways.
TransitGateways []types.TransitGateway
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
}
func addOperationDescribeTransitGatewaysMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsEc2query_serializeOpDescribeTransitGateways{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsEc2query_deserializeOpDescribeTransitGateways{}, 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_opDescribeTransitGateways(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
}
// DescribeTransitGatewaysAPIClient is a client that implements the
// DescribeTransitGateways operation.
type DescribeTransitGatewaysAPIClient interface {
DescribeTransitGateways(context.Context, *DescribeTransitGatewaysInput, ...func(*Options)) (*DescribeTransitGatewaysOutput, error)
}
var _ DescribeTransitGatewaysAPIClient = (*Client)(nil)
// DescribeTransitGatewaysPaginatorOptions is the paginator options for
// DescribeTransitGateways
type DescribeTransitGatewaysPaginatorOptions struct {
// The maximum number of results to return with a single call. To retrieve the
// remaining results, make another call with the returned nextToken value.
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
}
// DescribeTransitGatewaysPaginator is a paginator for DescribeTransitGateways
type DescribeTransitGatewaysPaginator struct {
options DescribeTransitGatewaysPaginatorOptions
client DescribeTransitGatewaysAPIClient
params *DescribeTransitGatewaysInput
nextToken *string
firstPage bool
}
// NewDescribeTransitGatewaysPaginator returns a new
// DescribeTransitGatewaysPaginator
func NewDescribeTransitGatewaysPaginator(client DescribeTransitGatewaysAPIClient, params *DescribeTransitGatewaysInput, optFns ...func(*DescribeTransitGatewaysPaginatorOptions)) *DescribeTransitGatewaysPaginator {
if params == nil {
params = &DescribeTransitGatewaysInput{}
}
options := DescribeTransitGatewaysPaginatorOptions{}
if params.MaxResults != nil {
options.Limit = *params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &DescribeTransitGatewaysPaginator{
options: options,
client: client,
params: params,
firstPage: true,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *DescribeTransitGatewaysPaginator) HasMorePages() bool {
return p.firstPage || p.nextToken != nil
}
// NextPage retrieves the next DescribeTransitGateways page.
func (p *DescribeTransitGatewaysPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeTransitGatewaysOutput, 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.DescribeTransitGateways(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_opDescribeTransitGateways(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "ec2",
OperationName: "DescribeTransitGateways",
}
}