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api_op_DescribeDhcpOptions.go
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api_op_DescribeDhcpOptions.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 of your DHCP options sets. For more information, see DHCP
// options sets
// (https://docs.aws.amazon.com/vpc/latest/userguide/VPC_DHCP_Options.html) in the
// Amazon Virtual Private Cloud User Guide.
func (c *Client) DescribeDhcpOptions(ctx context.Context, params *DescribeDhcpOptionsInput, optFns ...func(*Options)) (*DescribeDhcpOptionsOutput, error) {
if params == nil {
params = &DescribeDhcpOptionsInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribeDhcpOptions", params, optFns, c.addOperationDescribeDhcpOptionsMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribeDhcpOptionsOutput)
out.ResultMetadata = metadata
return out, nil
}
type DescribeDhcpOptionsInput struct {
// The IDs of one or more DHCP options sets. Default: Describes all your DHCP
// options sets.
DhcpOptionsIds []string
// 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.
//
// * dhcp-options-id - The ID of a DHCP options set.
//
// * key -
// The key for one of the options (for example, domain-name).
//
// * value - The value
// for one of the options.
//
// * owner-id - The ID of the Amazon Web Services account
// that owns the DHCP options set.
//
// * tag: - The key/value combination of a tag
// assigned to the resource. Use the tag key in the filter name and the tag value
// as the filter value. For example, to find all resources that have a tag with the
// key Owner and the value TeamA, specify tag:Owner for the filter name and TeamA
// for the filter value.
//
// * tag-key - The key of a tag assigned to the resource.
// Use this filter to find all resources assigned a tag with a specific key,
// regardless of the tag value.
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
noSmithyDocumentSerde
}
type DescribeDhcpOptionsOutput struct {
// Information about one or more DHCP options sets.
DhcpOptions []types.DhcpOptions
// 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) addOperationDescribeDhcpOptionsMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsEc2query_serializeOpDescribeDhcpOptions{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsEc2query_deserializeOpDescribeDhcpOptions{}, 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_opDescribeDhcpOptions(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
}
// DescribeDhcpOptionsAPIClient is a client that implements the DescribeDhcpOptions
// operation.
type DescribeDhcpOptionsAPIClient interface {
DescribeDhcpOptions(context.Context, *DescribeDhcpOptionsInput, ...func(*Options)) (*DescribeDhcpOptionsOutput, error)
}
var _ DescribeDhcpOptionsAPIClient = (*Client)(nil)
// DescribeDhcpOptionsPaginatorOptions is the paginator options for
// DescribeDhcpOptions
type DescribeDhcpOptionsPaginatorOptions 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
}
// DescribeDhcpOptionsPaginator is a paginator for DescribeDhcpOptions
type DescribeDhcpOptionsPaginator struct {
options DescribeDhcpOptionsPaginatorOptions
client DescribeDhcpOptionsAPIClient
params *DescribeDhcpOptionsInput
nextToken *string
firstPage bool
}
// NewDescribeDhcpOptionsPaginator returns a new DescribeDhcpOptionsPaginator
func NewDescribeDhcpOptionsPaginator(client DescribeDhcpOptionsAPIClient, params *DescribeDhcpOptionsInput, optFns ...func(*DescribeDhcpOptionsPaginatorOptions)) *DescribeDhcpOptionsPaginator {
if params == nil {
params = &DescribeDhcpOptionsInput{}
}
options := DescribeDhcpOptionsPaginatorOptions{}
if params.MaxResults != nil {
options.Limit = *params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &DescribeDhcpOptionsPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *DescribeDhcpOptionsPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next DescribeDhcpOptions page.
func (p *DescribeDhcpOptionsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeDhcpOptionsOutput, 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.DescribeDhcpOptions(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_opDescribeDhcpOptions(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "ec2",
OperationName: "DescribeDhcpOptions",
}
}