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api_op_CreateFlywheel.go
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api_op_CreateFlywheel.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package comprehend
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/comprehend/types"
smithyendpoints "github.com/aws/smithy-go/endpoints"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// A flywheel is an Amazon Web Services resource that orchestrates the ongoing
// training of a model for custom classification or custom entity recognition. You
// can create a flywheel to start with an existing trained model, or Comprehend can
// create and train a new model. When you create the flywheel, Comprehend creates a
// data lake in your account. The data lake holds the training data and test data
// for all versions of the model. To use a flywheel with an existing trained model,
// you specify the active model version. Comprehend copies the model's training
// data and test data into the flywheel's data lake. To use the flywheel with a new
// model, you need to provide a dataset for training data (and optional test data)
// when you create the flywheel. For more information about flywheels, see
// Flywheel overview (https://docs.aws.amazon.com/comprehend/latest/dg/flywheels-about.html)
// in the Amazon Comprehend Developer Guide.
func (c *Client) CreateFlywheel(ctx context.Context, params *CreateFlywheelInput, optFns ...func(*Options)) (*CreateFlywheelOutput, error) {
if params == nil {
params = &CreateFlywheelInput{}
}
result, metadata, err := c.invokeOperation(ctx, "CreateFlywheel", params, optFns, c.addOperationCreateFlywheelMiddlewares)
if err != nil {
return nil, err
}
out := result.(*CreateFlywheelOutput)
out.ResultMetadata = metadata
return out, nil
}
type CreateFlywheelInput struct {
// The Amazon Resource Name (ARN) of the IAM role that grants Amazon Comprehend
// the permissions required to access the flywheel data in the data lake.
//
// This member is required.
DataAccessRoleArn *string
// Enter the S3 location for the data lake. You can specify a new S3 bucket or a
// new folder of an existing S3 bucket. The flywheel creates the data lake at this
// location.
//
// This member is required.
DataLakeS3Uri *string
// Name for the flywheel.
//
// This member is required.
FlywheelName *string
// To associate an existing model with the flywheel, specify the Amazon Resource
// Number (ARN) of the model version.
ActiveModelArn *string
// A unique identifier for the request. If you don't set the client request token,
// Amazon Comprehend generates one.
ClientRequestToken *string
// Data security configurations.
DataSecurityConfig *types.DataSecurityConfig
// The model type.
ModelType types.ModelType
// The tags to associate with this flywheel.
Tags []types.Tag
// Configuration about the custom classifier associated with the flywheel.
TaskConfig *types.TaskConfig
noSmithyDocumentSerde
}
type CreateFlywheelOutput struct {
// The Amazon Resource Number (ARN) of the active model version.
ActiveModelArn *string
// The Amazon Resource Number (ARN) of the flywheel.
FlywheelArn *string
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationCreateFlywheelMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsAwsjson11_serializeOpCreateFlywheel{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpCreateFlywheel{}, 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 = addCreateFlywheelResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = addIdempotencyToken_opCreateFlywheelMiddleware(stack, options); err != nil {
return err
}
if err = addOpCreateFlywheelValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opCreateFlywheel(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
}
type idempotencyToken_initializeOpCreateFlywheel struct {
tokenProvider IdempotencyTokenProvider
}
func (*idempotencyToken_initializeOpCreateFlywheel) ID() string {
return "OperationIdempotencyTokenAutoFill"
}
func (m *idempotencyToken_initializeOpCreateFlywheel) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
if m.tokenProvider == nil {
return next.HandleInitialize(ctx, in)
}
input, ok := in.Parameters.(*CreateFlywheelInput)
if !ok {
return out, metadata, fmt.Errorf("expected middleware input to be of type *CreateFlywheelInput ")
}
if input.ClientRequestToken == nil {
t, err := m.tokenProvider.GetIdempotencyToken()
if err != nil {
return out, metadata, err
}
input.ClientRequestToken = &t
}
return next.HandleInitialize(ctx, in)
}
func addIdempotencyToken_opCreateFlywheelMiddleware(stack *middleware.Stack, cfg Options) error {
return stack.Initialize.Add(&idempotencyToken_initializeOpCreateFlywheel{tokenProvider: cfg.IdempotencyTokenProvider}, middleware.Before)
}
func newServiceMetadataMiddleware_opCreateFlywheel(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "comprehend",
OperationName: "CreateFlywheel",
}
}
type opCreateFlywheelResolveEndpointMiddleware struct {
EndpointResolver EndpointResolverV2
BuiltInResolver builtInParameterResolver
}
func (*opCreateFlywheelResolveEndpointMiddleware) ID() string {
return "ResolveEndpointV2"
}
func (m *opCreateFlywheelResolveEndpointMiddleware) 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 := "comprehend"
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 = "comprehend"
} 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("comprehend")
}
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 addCreateFlywheelResolveEndpointMiddleware(stack *middleware.Stack, options Options) error {
return stack.Serialize.Insert(&opCreateFlywheelResolveEndpointMiddleware{
EndpointResolver: options.EndpointResolverV2,
BuiltInResolver: &builtInResolver{
Region: options.Region,
UseDualStack: options.EndpointOptions.UseDualStackEndpoint,
UseFIPS: options.EndpointOptions.UseFIPSEndpoint,
Endpoint: options.BaseEndpoint,
},
}, "ResolveEndpoint", middleware.After)
}