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api_op_DescribeLaunchTemplateVersions.go
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api_op_DescribeLaunchTemplateVersions.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 versions of a specified launch template. You can describe
// all versions, individual versions, or a range of versions. You can also describe
// all the latest versions or all the default versions of all the launch templates
// in your account.
func (c *Client) DescribeLaunchTemplateVersions(ctx context.Context, params *DescribeLaunchTemplateVersionsInput, optFns ...func(*Options)) (*DescribeLaunchTemplateVersionsOutput, error) {
if params == nil {
params = &DescribeLaunchTemplateVersionsInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribeLaunchTemplateVersions", params, optFns, c.addOperationDescribeLaunchTemplateVersionsMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribeLaunchTemplateVersionsOutput)
out.ResultMetadata = metadata
return out, nil
}
type DescribeLaunchTemplateVersionsInput 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.
//
// * create-time - The time the launch template version was
// created.
//
// * ebs-optimized - A boolean that indicates whether the instance is
// optimized for Amazon EBS I/O.
//
// * http-endpoint - Indicates whether the HTTP
// metadata endpoint on your instances is enabled (enabled | disabled).
//
// *
// http-protocol-ipv4 - Indicates whether the IPv4 endpoint for the instance
// metadata service is enabled (enabled | disabled).
//
// * host-resource-group-arn -
// The ARN of the host resource group in which to launch the instances.
//
// *
// http-tokens - The state of token usage for your instance metadata requests
// (optional | required).
//
// * iam-instance-profile - The ARN of the IAM instance
// profile.
//
// * image-id - The ID of the AMI.
//
// * instance-type - The instance
// type.
//
// * is-default-version - A boolean that indicates whether the launch
// template version is the default version.
//
// * kernel-id - The kernel ID.
//
// *
// license-configuration-arn - The ARN of the license configuration.
//
// *
// network-card-index - The index of the network card.
//
// * ram-disk-id - The RAM
// disk ID.
Filters []types.Filter
// The ID of the launch template. To describe one or more versions of a specified
// launch template, you must specify either the LaunchTemplateId or the
// LaunchTemplateName, but not both. To describe all the latest or default launch
// template versions in your account, you must omit this parameter.
LaunchTemplateId *string
// The name of the launch template. To describe one or more versions of a specified
// launch template, you must specify either the LaunchTemplateName or the
// LaunchTemplateId, but not both. To describe all the latest or default launch
// template versions in your account, you must omit this parameter.
LaunchTemplateName *string
// The maximum number of results to return in a single call. To retrieve the
// remaining results, make another call with the returned NextToken value. This
// value can be between 1 and 200.
MaxResults *int32
// The version number up to which to describe launch template versions.
MaxVersion *string
// The version number after which to describe launch template versions.
MinVersion *string
// The token to request the next page of results.
NextToken *string
// If true, and if a Systems Manager parameter is specified for ImageId, the AMI ID
// is displayed in the response for imageId. If false, and if a Systems Manager
// parameter is specified for ImageId, the parameter is displayed in the response
// for imageId. For more information, see Use a Systems Manager parameter instead
// of an AMI ID
// (https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-launch-templates.html#use-an-ssm-parameter-instead-of-an-ami-id)
// in the Amazon Elastic Compute Cloud User Guide. Default: false
ResolveAlias *bool
// One or more versions of the launch template. Valid values depend on whether you
// are describing a specified launch template (by ID or name) or all launch
// templates in your account. To describe one or more versions of a specified
// launch template, valid values are $Latest, $Default, and numbers. To describe
// all launch templates in your account that are defined as the latest version, the
// valid value is $Latest. To describe all launch templates in your account that
// are defined as the default version, the valid value is $Default. You can specify
// $Latest and $Default in the same request. You cannot specify numbers.
Versions []string
noSmithyDocumentSerde
}
type DescribeLaunchTemplateVersionsOutput struct {
// Information about the launch template versions.
LaunchTemplateVersions []types.LaunchTemplateVersion
// 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
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationDescribeLaunchTemplateVersionsMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsEc2query_serializeOpDescribeLaunchTemplateVersions{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsEc2query_deserializeOpDescribeLaunchTemplateVersions{}, 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_opDescribeLaunchTemplateVersions(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
}
// DescribeLaunchTemplateVersionsAPIClient is a client that implements the
// DescribeLaunchTemplateVersions operation.
type DescribeLaunchTemplateVersionsAPIClient interface {
DescribeLaunchTemplateVersions(context.Context, *DescribeLaunchTemplateVersionsInput, ...func(*Options)) (*DescribeLaunchTemplateVersionsOutput, error)
}
var _ DescribeLaunchTemplateVersionsAPIClient = (*Client)(nil)
// DescribeLaunchTemplateVersionsPaginatorOptions is the paginator options for
// DescribeLaunchTemplateVersions
type DescribeLaunchTemplateVersionsPaginatorOptions struct {
// The maximum number of results to return in a single call. To retrieve the
// remaining results, make another call with the returned NextToken value. This
// value can be between 1 and 200.
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
}
// DescribeLaunchTemplateVersionsPaginator is a paginator for
// DescribeLaunchTemplateVersions
type DescribeLaunchTemplateVersionsPaginator struct {
options DescribeLaunchTemplateVersionsPaginatorOptions
client DescribeLaunchTemplateVersionsAPIClient
params *DescribeLaunchTemplateVersionsInput
nextToken *string
firstPage bool
}
// NewDescribeLaunchTemplateVersionsPaginator returns a new
// DescribeLaunchTemplateVersionsPaginator
func NewDescribeLaunchTemplateVersionsPaginator(client DescribeLaunchTemplateVersionsAPIClient, params *DescribeLaunchTemplateVersionsInput, optFns ...func(*DescribeLaunchTemplateVersionsPaginatorOptions)) *DescribeLaunchTemplateVersionsPaginator {
if params == nil {
params = &DescribeLaunchTemplateVersionsInput{}
}
options := DescribeLaunchTemplateVersionsPaginatorOptions{}
if params.MaxResults != nil {
options.Limit = *params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &DescribeLaunchTemplateVersionsPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *DescribeLaunchTemplateVersionsPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next DescribeLaunchTemplateVersions page.
func (p *DescribeLaunchTemplateVersionsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeLaunchTemplateVersionsOutput, 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.DescribeLaunchTemplateVersions(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_opDescribeLaunchTemplateVersions(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "ec2",
OperationName: "DescribeLaunchTemplateVersions",
}
}