/
api_op_CreateEventSubscription.go
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/
api_op_CreateEventSubscription.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package databasemigrationservice
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/databasemigrationservice/types"
smithyendpoints "github.com/aws/smithy-go/endpoints"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Creates an DMS event notification subscription. You can specify the type of
// source ( SourceType ) you want to be notified of, provide a list of DMS source
// IDs ( SourceIds ) that triggers the events, and provide a list of event
// categories ( EventCategories ) for events you want to be notified of. If you
// specify both the SourceType and SourceIds , such as SourceType =
// replication-instance and SourceIdentifier = my-replinstance , you will be
// notified of all the replication instance events for the specified source. If you
// specify a SourceType but don't specify a SourceIdentifier , you receive notice
// of the events for that source type for all your DMS sources. If you don't
// specify either SourceType nor SourceIdentifier , you will be notified of events
// generated from all DMS sources belonging to your customer account. For more
// information about DMS events, see Working with Events and Notifications (https://docs.aws.amazon.com/dms/latest/userguide/CHAP_Events.html)
// in the Database Migration Service User Guide.
func (c *Client) CreateEventSubscription(ctx context.Context, params *CreateEventSubscriptionInput, optFns ...func(*Options)) (*CreateEventSubscriptionOutput, error) {
if params == nil {
params = &CreateEventSubscriptionInput{}
}
result, metadata, err := c.invokeOperation(ctx, "CreateEventSubscription", params, optFns, c.addOperationCreateEventSubscriptionMiddlewares)
if err != nil {
return nil, err
}
out := result.(*CreateEventSubscriptionOutput)
out.ResultMetadata = metadata
return out, nil
}
type CreateEventSubscriptionInput struct {
// The Amazon Resource Name (ARN) of the Amazon SNS topic created for event
// notification. The ARN is created by Amazon SNS when you create a topic and
// subscribe to it.
//
// This member is required.
SnsTopicArn *string
// The name of the DMS event notification subscription. This name must be less
// than 255 characters.
//
// This member is required.
SubscriptionName *string
// A Boolean value; set to true to activate the subscription, or set to false to
// create the subscription but not activate it.
Enabled *bool
// A list of event categories for a source type that you want to subscribe to. For
// more information, see Working with Events and Notifications (https://docs.aws.amazon.com/dms/latest/userguide/CHAP_Events.html)
// in the Database Migration Service User Guide.
EventCategories []string
// A list of identifiers for which DMS provides notification events. If you don't
// specify a value, notifications are provided for all sources. If you specify
// multiple values, they must be of the same type. For example, if you specify a
// database instance ID, then all of the other values must be database instance
// IDs.
SourceIds []string
// The type of DMS resource that generates the events. For example, if you want to
// be notified of events generated by a replication instance, you set this
// parameter to replication-instance . If this value isn't specified, all events
// are returned. Valid values: replication-instance | replication-task
SourceType *string
// One or more tags to be assigned to the event subscription.
Tags []types.Tag
noSmithyDocumentSerde
}
type CreateEventSubscriptionOutput struct {
// The event subscription that was created.
EventSubscription *types.EventSubscription
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationCreateEventSubscriptionMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsAwsjson11_serializeOpCreateEventSubscription{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpCreateEventSubscription{}, 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 = addCreateEventSubscriptionResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = addOpCreateEventSubscriptionValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opCreateEventSubscription(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
}
func newServiceMetadataMiddleware_opCreateEventSubscription(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "dms",
OperationName: "CreateEventSubscription",
}
}
type opCreateEventSubscriptionResolveEndpointMiddleware struct {
EndpointResolver EndpointResolverV2
BuiltInResolver builtInParameterResolver
}
func (*opCreateEventSubscriptionResolveEndpointMiddleware) ID() string {
return "ResolveEndpointV2"
}
func (m *opCreateEventSubscriptionResolveEndpointMiddleware) 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 := "dms"
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 = "dms"
} 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("dms")
}
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 addCreateEventSubscriptionResolveEndpointMiddleware(stack *middleware.Stack, options Options) error {
return stack.Serialize.Insert(&opCreateEventSubscriptionResolveEndpointMiddleware{
EndpointResolver: options.EndpointResolverV2,
BuiltInResolver: &builtInResolver{
Region: options.Region,
UseDualStack: options.EndpointOptions.UseDualStackEndpoint,
UseFIPS: options.EndpointOptions.UseFIPSEndpoint,
Endpoint: options.BaseEndpoint,
},
}, "ResolveEndpoint", middleware.After)
}