Add Eventbridge protocol

protocol/eventbridge/v2/go.mod

@@ -0,0 +1,23 @@
+module github.com/cloudevents/sdk-go/protocol/eventbridge/v2
+
+go 1.23.0
+
+toolchain go1.23.8
+
+replace github.com/cloudevents/sdk-go/v2 => ../../../v2
+
+require (
+	github.com/aws/aws-sdk-go-v2 v1.38.0
+	github.com/aws/aws-sdk-go-v2/service/eventbridge v1.44.0
+	github.com/cloudevents/sdk-go/v2 v2.16.1
+)
+
+require (
+	github.com/aws/aws-sdk-go-v2/internal/configsources v1.4.3 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.7.3 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/v4a v1.4.3 // indirect
+	github.com/aws/smithy-go v1.22.5 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+)

protocol/eventbridge/v2/go.sum

@@ -0,0 +1,37 @@
+github.com/aws/aws-sdk-go-v2 v1.38.0 h1:UCRQ5mlqcFk9HJDIqENSLR3wiG1VTWlyUfLDEvY7RxU=
+github.com/aws/aws-sdk-go-v2 v1.38.0/go.mod h1:9Q0OoGQoboYIAJyslFyF1f5K1Ryddop8gqMhWx/n4Wg=
+github.com/aws/aws-sdk-go-v2/internal/configsources v1.4.3 h1:o9RnO+YZ4X+kt5Z7Nvcishlz0nksIt2PIzDglLMP0vA=
+github.com/aws/aws-sdk-go-v2/internal/configsources v1.4.3/go.mod h1:+6aLJzOG1fvMOyzIySYjOFjcguGvVRL68R+uoRencN4=
+github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.7.3 h1:joyyUFhiTQQmVK6ImzNU9TQSNRNeD9kOklqTzyk5v6s=
+github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.7.3/go.mod h1:+vNIyZQP3b3B1tSLI0lxvrU9cfM7gpdRXMFfm67ZcPc=
+github.com/aws/aws-sdk-go-v2/internal/v4a v1.4.3 h1:ZV2XK2L3HBq9sCKQiQ/MdhZJppH/rH0vddEAamsHUIs=
+github.com/aws/aws-sdk-go-v2/internal/v4a v1.4.3/go.mod h1:b9F9tk2HdHpbf3xbN7rUZcfmJI26N6NcJu/8OsBFI/0=
+github.com/aws/aws-sdk-go-v2/service/eventbridge v1.44.0 h1:uV0/UBsNeT3NMmUwfQxxWZCglA1EDcAuXAuUti8u0Mk=
+github.com/aws/aws-sdk-go-v2/service/eventbridge v1.44.0/go.mod h1:yX+96FURJgbIEv+9tAhlAayu551vVVZMD+yAro++VFA=
+github.com/aws/smithy-go v1.22.5 h1:P9ATCXPMb2mPjYBgueqJNCA5S9UfktsW0tTxi+a7eqw=
+github.com/aws/smithy-go v1.22.5/go.mod h1:t1ufH5HMublsJYulve2RKmHDC15xu1f26kHCp/HgceI=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
+github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
+github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
+github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
+github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
+github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
+github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
+github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
+go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
+go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
+go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

protocol/eventbridge/v2/options.go

@@ -0,0 +1,38 @@
+package eventbridge
+
+import (
+	"fmt"
+
+	"github.com/aws/aws-sdk-go-v2/aws"
+	"github.com/aws/aws-sdk-go-v2/service/eventbridge"
+)
+
+// Option provides a way to configure the protocol
+type Option func(*Protocol) error
+
+func WithNewClientFromConfig(cfg aws.Config, optFns ...func(*eventbridge.Options)) Option {
+	return func(p *Protocol) error {
+		p.client = eventbridge.NewFromConfig(cfg, optFns...)
+		return nil
+	}
+}
+
+func WithClient(client *eventbridge.Client) Option {
+	return func(p *Protocol) error {
+		if client == nil {
+			return fmt.Errorf("client cannot be nil")
+		}
+		p.client = client
+		return nil
+	}
+}
+
+func WithEventBusName(eventBusName string) Option {
+	return func(p *Protocol) error {
+		if eventBusName == "" {
+			return fmt.Errorf("event bus name cannot be empty")
+		}
+		p.eventBusName = eventBusName
+		return nil
+	}
+}

protocol/eventbridge/v2/protocol.go

@@ -0,0 +1,65 @@
+package eventbridge
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/cloudevents/sdk-go/v2/binding"
+	"github.com/cloudevents/sdk-go/v2/protocol"
+
+	sdkeb "github.com/aws/aws-sdk-go-v2/service/eventbridge"
+	"github.com/aws/aws-sdk-go-v2/service/eventbridge/types"
+)
+
+const (
+	defaultEventBusName = "default"
+)
+
+type Protocol struct {
+	client       *sdkeb.Client
+	eventBusName string
+}
+
+// New creates a new EventBridge protocol.
+func New(opts ...Option) (*Protocol, error) {
+	p := &Protocol{
+		eventBusName: defaultEventBusName,
+	}
+	if err := p.applyOptions(opts...); err != nil {
+		return nil, err
+	}
+	if p.client == nil {
+		return nil, fmt.Errorf("eventbridge client is nil")
+	}
+	return p, nil
+}
+
+func (p *Protocol) applyOptions(opts ...Option) error {
+	for _, fn := range opts {
+		if err := fn(p); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// Send sends messages. Send implements Sender.Sender
+func (p *Protocol) Send(ctx context.Context, in binding.Message, transformers ...binding.Transformer) (err error) {
+	defer func() { _ = in.Finish(err) }()
+	entryInput := types.PutEventsRequestEntry{
+		EventBusName: &p.eventBusName,
+	}
+	err = WriteMsgInput(ctx, in, &entryInput, transformers...)
+	if err != nil {
+		return err
+	}
+
+	input := &sdkeb.PutEventsInput{
+		Entries: []types.PutEventsRequestEntry{entryInput},
+	}
+
+	_, err = p.client.PutEvents(ctx, input)
+	return err
+}
+
+var _ protocol.Sender = (*Protocol)(nil)

protocol/eventbridge/v2/write_message.go

@@ -0,0 +1,41 @@
+package eventbridge
+
+import (
+	"context"
+
+	"github.com/cloudevents/sdk-go/v2/binding"
+	"github.com/cloudevents/sdk-go/v2/binding/format"
+	"github.com/cloudevents/sdk-go/v2/event"
+
+	"github.com/aws/aws-sdk-go-v2/aws"
+	"github.com/aws/aws-sdk-go-v2/service/eventbridge/types"
+)
+
+func WriteMsgInput(
+	ctx context.Context,
+	m binding.Message,
+	msgInput *types.PutEventsRequestEntry,
+	transformers ...binding.Transformer,
+) error {
+	var e *event.Event
+	e, err := binding.ToEvent(ctx, m, transformers...)
+	if err != nil {
+		return err
+	}
+
+	data, err := format.JSON.Marshal(e)
+	if err != nil {
+		return err
+	}
+	details := string(data)
+
+	msgInput.DetailType = aws.String(e.Type())
+	msgInput.Source = aws.String(e.Source())
+	msgInput.Time = aws.Time(e.Time())
+	msgInput.Detail = aws.String(details)
+	if traceparent, ok := e.Extensions()["traceparent"]; ok && traceparent != nil {
+		msgInput.TraceHeader = aws.String(traceparent.(string))
+	}
+
+	return nil
+}

samples/eventbridge/go.mod

@@ -0,0 +1,39 @@
+module github.com/cloudevents/sdk-go/samples/eventbridge
+
+go 1.23.0
+
+toolchain go1.23.8
+
+require (
+	github.com/aws/aws-sdk-go-v2/config v1.31.0
+	github.com/cloudevents/sdk-go/protocol/eventbridge/v2 v2.0.0-00010101000000-000000000000
+	github.com/cloudevents/sdk-go/v2 v2.16.1
+	github.com/google/uuid v1.6.0
+	github.com/kelseyhightower/envconfig v1.4.0
+)
+
+require (
+	github.com/aws/aws-sdk-go-v2 v1.38.0 // indirect
+	github.com/aws/aws-sdk-go-v2/credentials v1.18.4 // indirect
+	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.18.3 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/configsources v1.4.3 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.7.3 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/ini v1.8.3 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/v4a v1.4.3 // indirect
+	github.com/aws/aws-sdk-go-v2/service/eventbridge v1.44.0 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.13.0 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.13.3 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sso v1.28.0 // indirect
+	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.33.0 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sts v1.37.0 // indirect
+	github.com/aws/smithy-go v1.22.5 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
+	go.uber.org/zap v1.27.0 // indirect
+)
+
+replace github.com/cloudevents/sdk-go/v2 => ../../v2
+
+replace github.com/cloudevents/sdk-go/protocol/eventbridge/v2 => ../../protocol/eventbridge/v2

samples/eventbridge/go.sum

@@ -0,0 +1,65 @@
+github.com/aws/aws-sdk-go-v2 v1.38.0 h1:UCRQ5mlqcFk9HJDIqENSLR3wiG1VTWlyUfLDEvY7RxU=
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samples/eventbridge/sender/main.go

@@ -0,0 +1,73 @@
+/*
+Copyright 2023 The CloudEvents Authors
+SPDX-License-Identifier: Apache-2.0
+*/
+
+package main
+
+import (
+	"context"
+	"log"
+	"time"
+
+	"github.com/cloudevents/sdk-go/protocol/eventbridge/v2"
+	cloudevents "github.com/cloudevents/sdk-go/v2"
+	"github.com/google/uuid"
+
+	awsconfig "github.com/aws/aws-sdk-go-v2/config"
+	"github.com/kelseyhightower/envconfig"
+)
+
+const (
+	count = 10
+)
+
+type envConfig struct {
+	EventbusName string `envconfig:"AWS_EVENTBRIDGE_BUS_NAME" required:"true"`
+}
+
+func main() {
+	var env envConfig
+	if err := envconfig.Process("", &env); err != nil {
+		log.Fatalf("[ERROR] Failed to process env var: %s", err)
+	}
+	ctx := context.Background()
+	awsCfg, err := awsconfig.LoadDefaultConfig(ctx)
+	if err != nil {
+		log.Fatalf("failed to load AWS SDK configuration: %s", err.Error())
+	}
+
+	// set a default topic with test-topic1
+	p, err := eventbridge.New(eventbridge.WithEventBusName(env.EventbusName), eventbridge.WithNewClientFromConfig(awsCfg))
+	if err != nil {
+		log.Fatalf("failed to create protocol: %v", err)
+	}
+
+	c, err := cloudevents.NewClient(p, cloudevents.WithTimeNow(), cloudevents.WithUUIDs())
+	if err != nil {
+		log.Fatalf("failed to create client, %v", err)
+	}
+
+	for i := 0; i < count; i++ {
+		e := cloudevents.NewEvent()
+		e.SetID(uuid.New().String())
+		e.SetType("com.cloudevents.sample.sent")
+		e.SetSource("https://github.com/cloudevents/sdk-go/samples/eventbridge/sender")
+		err = e.SetData(cloudevents.ApplicationJSON, map[string]interface{}{
+			"id":      i,
+			"message": "Hello, World!",
+		})
+		if err != nil {
+			log.Printf("failed to set data: %v", err)
+		}
+		if result := c.Send(
+			ctx,
+			e,
+		); cloudevents.IsUndelivered(result) {
+			log.Printf("failed to send: %v", result)
+		} else {
+			log.Printf("sent: %d, accepted: %t", i, cloudevents.IsACK(result))
+		}
+		time.Sleep(1 * time.Second)
+	}
+}