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api_op_DescribeTags.go
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api_op_DescribeTags.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 the specified tags for your EC2 resources. For more information about
// tags, see Tag your Amazon EC2 resources
// (https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Using_Tags.html) in the
// Amazon Elastic Compute Cloud User Guide.
func (c *Client) DescribeTags(ctx context.Context, params *DescribeTagsInput, optFns ...func(*Options)) (*DescribeTagsOutput, error) {
if params == nil {
params = &DescribeTagsInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribeTags", params, optFns, c.addOperationDescribeTagsMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribeTagsOutput)
out.ResultMetadata = metadata
return out, nil
}
type DescribeTagsInput 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
// The filters.
//
// * key - The tag key.
//
// * resource-id - The ID of the resource.
//
// *
// resource-type - The resource type (customer-gateway | dedicated-host |
// dhcp-options | elastic-ip | fleet | fpga-image | host-reservation | image |
// instance | internet-gateway | key-pair | launch-template | natgateway |
// network-acl | network-interface | placement-group | reserved-instances |
// route-table | security-group | snapshot | spot-instances-request | subnet |
// volume | vpc | vpc-endpoint | vpc-endpoint-service | vpc-peering-connection |
// vpn-connection | vpn-gateway).
//
// * tag: - The key/value combination of the tag.
// For example, specify "tag:Owner" for the filter name and "TeamA" for the filter
// value to find resources with the tag "Owner=TeamA".
//
// * value - The tag value.
Filters []types.Filter
// The maximum number of results to return in a single call. This value can be
// between 5 and 1000. To retrieve the remaining results, make another call with
// the returned NextToken value.
MaxResults *int32
// The token to retrieve the next page of results.
NextToken *string
noSmithyDocumentSerde
}
type DescribeTagsOutput 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
// The tags.
Tags []types.TagDescription
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationDescribeTagsMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsEc2query_serializeOpDescribeTags{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsEc2query_deserializeOpDescribeTags{}, 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_opDescribeTags(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
}
// DescribeTagsAPIClient is a client that implements the DescribeTags operation.
type DescribeTagsAPIClient interface {
DescribeTags(context.Context, *DescribeTagsInput, ...func(*Options)) (*DescribeTagsOutput, error)
}
var _ DescribeTagsAPIClient = (*Client)(nil)
// DescribeTagsPaginatorOptions is the paginator options for DescribeTags
type DescribeTagsPaginatorOptions struct {
// The maximum number of results to return in a single call. This value can be
// between 5 and 1000. 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
}
// DescribeTagsPaginator is a paginator for DescribeTags
type DescribeTagsPaginator struct {
options DescribeTagsPaginatorOptions
client DescribeTagsAPIClient
params *DescribeTagsInput
nextToken *string
firstPage bool
}
// NewDescribeTagsPaginator returns a new DescribeTagsPaginator
func NewDescribeTagsPaginator(client DescribeTagsAPIClient, params *DescribeTagsInput, optFns ...func(*DescribeTagsPaginatorOptions)) *DescribeTagsPaginator {
if params == nil {
params = &DescribeTagsInput{}
}
options := DescribeTagsPaginatorOptions{}
if params.MaxResults != nil {
options.Limit = *params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &DescribeTagsPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *DescribeTagsPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next DescribeTags page.
func (p *DescribeTagsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeTagsOutput, 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.DescribeTags(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_opDescribeTags(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "ec2",
OperationName: "DescribeTags",
}
}