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api_op_ListElasticsearchInstanceTypes.go
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api_op_ListElasticsearchInstanceTypes.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package elasticsearchservice
import (
"context"
"errors"
"fmt"
"github.com/aws/aws-sdk-go-v2/aws"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
internalauth "github.com/aws/aws-sdk-go-v2/internal/auth"
"github.com/aws/aws-sdk-go-v2/service/elasticsearchservice/types"
smithyendpoints "github.com/aws/smithy-go/endpoints"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// List all Elasticsearch instance types that are supported for given
// ElasticsearchVersion
func (c *Client) ListElasticsearchInstanceTypes(ctx context.Context, params *ListElasticsearchInstanceTypesInput, optFns ...func(*Options)) (*ListElasticsearchInstanceTypesOutput, error) {
if params == nil {
params = &ListElasticsearchInstanceTypesInput{}
}
result, metadata, err := c.invokeOperation(ctx, "ListElasticsearchInstanceTypes", params, optFns, c.addOperationListElasticsearchInstanceTypesMiddlewares)
if err != nil {
return nil, err
}
out := result.(*ListElasticsearchInstanceTypesOutput)
out.ResultMetadata = metadata
return out, nil
}
// Container for the parameters to the ListElasticsearchInstanceTypes operation.
type ListElasticsearchInstanceTypesInput struct {
// Version of Elasticsearch for which list of supported elasticsearch instance
// types are needed.
//
// This member is required.
ElasticsearchVersion *string
// DomainName represents the name of the Domain that we are trying to modify. This
// should be present only if we are querying for list of available Elasticsearch
// instance types when modifying existing domain.
DomainName *string
// Set this value to limit the number of results returned. Value provided must be
// greater than 30 else it wont be honored.
MaxResults int32
// NextToken should be sent in case if earlier API call produced result containing
// NextToken. It is used for pagination.
NextToken *string
noSmithyDocumentSerde
}
// Container for the parameters returned by ListElasticsearchInstanceTypes
// operation.
type ListElasticsearchInstanceTypesOutput struct {
// List of instance types supported by Amazon Elasticsearch service for given
// ElasticsearchVersion
ElasticsearchInstanceTypes []types.ESPartitionInstanceType
// In case if there are more results available NextToken would be present, make
// further request to the same API with received NextToken to paginate remaining
// results.
NextToken *string
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationListElasticsearchInstanceTypesMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsRestjson1_serializeOpListElasticsearchInstanceTypes{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsRestjson1_deserializeOpListElasticsearchInstanceTypes{}, middleware.After)
if err != nil {
return err
}
if err = addlegacyEndpointContextSetter(stack, options); 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, options); err != nil {
return err
}
if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = addListElasticsearchInstanceTypesResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = addOpListElasticsearchInstanceTypesValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListElasticsearchInstanceTypes(options.Region), middleware.Before); err != nil {
return err
}
if err = awsmiddleware.AddRecursionDetection(stack); 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
}
if err = addendpointDisableHTTPSMiddleware(stack, options); err != nil {
return err
}
return nil
}
// ListElasticsearchInstanceTypesAPIClient is a client that implements the
// ListElasticsearchInstanceTypes operation.
type ListElasticsearchInstanceTypesAPIClient interface {
ListElasticsearchInstanceTypes(context.Context, *ListElasticsearchInstanceTypesInput, ...func(*Options)) (*ListElasticsearchInstanceTypesOutput, error)
}
var _ ListElasticsearchInstanceTypesAPIClient = (*Client)(nil)
// ListElasticsearchInstanceTypesPaginatorOptions is the paginator options for
// ListElasticsearchInstanceTypes
type ListElasticsearchInstanceTypesPaginatorOptions struct {
// Set this value to limit the number of results returned. Value provided must be
// greater than 30 else it wont be honored.
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
}
// ListElasticsearchInstanceTypesPaginator is a paginator for
// ListElasticsearchInstanceTypes
type ListElasticsearchInstanceTypesPaginator struct {
options ListElasticsearchInstanceTypesPaginatorOptions
client ListElasticsearchInstanceTypesAPIClient
params *ListElasticsearchInstanceTypesInput
nextToken *string
firstPage bool
}
// NewListElasticsearchInstanceTypesPaginator returns a new
// ListElasticsearchInstanceTypesPaginator
func NewListElasticsearchInstanceTypesPaginator(client ListElasticsearchInstanceTypesAPIClient, params *ListElasticsearchInstanceTypesInput, optFns ...func(*ListElasticsearchInstanceTypesPaginatorOptions)) *ListElasticsearchInstanceTypesPaginator {
if params == nil {
params = &ListElasticsearchInstanceTypesInput{}
}
options := ListElasticsearchInstanceTypesPaginatorOptions{}
if params.MaxResults != 0 {
options.Limit = params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &ListElasticsearchInstanceTypesPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *ListElasticsearchInstanceTypesPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next ListElasticsearchInstanceTypes page.
func (p *ListElasticsearchInstanceTypesPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListElasticsearchInstanceTypesOutput, error) {
if !p.HasMorePages() {
return nil, fmt.Errorf("no more pages available")
}
params := *p.params
params.NextToken = p.nextToken
params.MaxResults = p.options.Limit
result, err := p.client.ListElasticsearchInstanceTypes(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_opListElasticsearchInstanceTypes(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "es",
OperationName: "ListElasticsearchInstanceTypes",
}
}
type opListElasticsearchInstanceTypesResolveEndpointMiddleware struct {
EndpointResolver EndpointResolverV2
BuiltInResolver builtInParameterResolver
}
func (*opListElasticsearchInstanceTypesResolveEndpointMiddleware) ID() string {
return "ResolveEndpointV2"
}
func (m *opListElasticsearchInstanceTypesResolveEndpointMiddleware) HandleSerialize(ctx context.Context, in middleware.SerializeInput, next middleware.SerializeHandler) (
out middleware.SerializeOutput, metadata middleware.Metadata, err error,
) {
if awsmiddleware.GetRequiresLegacyEndpoints(ctx) {
return next.HandleSerialize(ctx, in)
}
req, ok := in.Request.(*smithyhttp.Request)
if !ok {
return out, metadata, fmt.Errorf("unknown transport type %T", in.Request)
}
if m.EndpointResolver == nil {
return out, metadata, fmt.Errorf("expected endpoint resolver to not be nil")
}
params := EndpointParameters{}
m.BuiltInResolver.ResolveBuiltIns(¶ms)
var resolvedEndpoint smithyendpoints.Endpoint
resolvedEndpoint, err = m.EndpointResolver.ResolveEndpoint(ctx, params)
if err != nil {
return out, metadata, fmt.Errorf("failed to resolve service endpoint, %w", err)
}
req.URL = &resolvedEndpoint.URI
for k := range resolvedEndpoint.Headers {
req.Header.Set(
k,
resolvedEndpoint.Headers.Get(k),
)
}
authSchemes, err := internalauth.GetAuthenticationSchemes(&resolvedEndpoint.Properties)
if err != nil {
var nfe *internalauth.NoAuthenticationSchemesFoundError
if errors.As(err, &nfe) {
// if no auth scheme is found, default to sigv4
signingName := "es"
signingRegion := m.BuiltInResolver.(*builtInResolver).Region
ctx = awsmiddleware.SetSigningName(ctx, signingName)
ctx = awsmiddleware.SetSigningRegion(ctx, signingRegion)
}
var ue *internalauth.UnSupportedAuthenticationSchemeSpecifiedError
if errors.As(err, &ue) {
return out, metadata, fmt.Errorf(
"This operation requests signer version(s) %v but the client only supports %v",
ue.UnsupportedSchemes,
internalauth.SupportedSchemes,
)
}
}
for _, authScheme := range authSchemes {
switch authScheme.(type) {
case *internalauth.AuthenticationSchemeV4:
v4Scheme, _ := authScheme.(*internalauth.AuthenticationSchemeV4)
var signingName, signingRegion string
if v4Scheme.SigningName == nil {
signingName = "es"
} else {
signingName = *v4Scheme.SigningName
}
if v4Scheme.SigningRegion == nil {
signingRegion = m.BuiltInResolver.(*builtInResolver).Region
} else {
signingRegion = *v4Scheme.SigningRegion
}
if v4Scheme.DisableDoubleEncoding != nil {
// The signer sets an equivalent value at client initialization time.
// Setting this context value will cause the signer to extract it
// and override the value set at client initialization time.
ctx = internalauth.SetDisableDoubleEncoding(ctx, *v4Scheme.DisableDoubleEncoding)
}
ctx = awsmiddleware.SetSigningName(ctx, signingName)
ctx = awsmiddleware.SetSigningRegion(ctx, signingRegion)
break
case *internalauth.AuthenticationSchemeV4A:
v4aScheme, _ := authScheme.(*internalauth.AuthenticationSchemeV4A)
if v4aScheme.SigningName == nil {
v4aScheme.SigningName = aws.String("es")
}
if v4aScheme.DisableDoubleEncoding != nil {
// The signer sets an equivalent value at client initialization time.
// Setting this context value will cause the signer to extract it
// and override the value set at client initialization time.
ctx = internalauth.SetDisableDoubleEncoding(ctx, *v4aScheme.DisableDoubleEncoding)
}
ctx = awsmiddleware.SetSigningName(ctx, *v4aScheme.SigningName)
ctx = awsmiddleware.SetSigningRegion(ctx, v4aScheme.SigningRegionSet[0])
break
case *internalauth.AuthenticationSchemeNone:
break
}
}
return next.HandleSerialize(ctx, in)
}
func addListElasticsearchInstanceTypesResolveEndpointMiddleware(stack *middleware.Stack, options Options) error {
return stack.Serialize.Insert(&opListElasticsearchInstanceTypesResolveEndpointMiddleware{
EndpointResolver: options.EndpointResolverV2,
BuiltInResolver: &builtInResolver{
Region: options.Region,
UseDualStack: options.EndpointOptions.UseDualStackEndpoint,
UseFIPS: options.EndpointOptions.UseFIPSEndpoint,
Endpoint: options.BaseEndpoint,
},
}, "ResolveEndpoint", middleware.After)
}