[8.19](backport #44855) Add otelbeat binary for test

dev-tools/mage/gotest.go

@@ -471,6 +471,13 @@ func BuildSystemTestBinary() error {
 	return BuildSystemTestGoBinary(DefaultTestBinaryArgs())
 }
 
+// BuildSystemTestOTelBinary builds beat binary that includes otel.
+func BuildSystemTestOTelBinary() error {
+	args := DefaultTestBinaryArgs()
+	args.ExtraFlags = []string{"-tags", "otelbeat"}
+	return BuildSystemTestGoBinary(args)
+}
+
 // BuildSystemTestGoBinary build a binary for testing that is instrumented for
 // testing and measuring code coverage. The binary is only instrumented for
 // coverage when TEST_COVERAGE=true (default is false).

x-pack/filebeat/cmd/otelcmd_disabled.go

@@ -0,0 +1,15 @@
+// Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+// or more contributor license agreements. Licensed under the Elastic License;
+// you may not use this file except in compliance with the Elastic License.
+
+//go:build !otelbeat
+
+package cmd
+
+import (
+	cmd "github.com/elastic/beats/v7/libbeat/cmd"
+)
+
+func addOTelCommand(command *cmd.BeatsRootCmd) {
+	// No-op
+}

x-pack/filebeat/cmd/otelcmd_enabled.go

@@ -0,0 +1,17 @@
+// Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+// or more contributor license agreements. Licensed under the Elastic License;
+// you may not use this file except in compliance with the Elastic License.
+
+//go:build otelbeat
+
+package cmd
+
+import (
+	fbcmd "github.com/elastic/beats/v7/filebeat/cmd"
+	cmd "github.com/elastic/beats/v7/libbeat/cmd"
+	"github.com/elastic/beats/v7/x-pack/libbeat/common/otelbeat"
+)
+
+func addOTelCommand(command *cmd.BeatsRootCmd) {
+	command.AddCommand(otelbeat.OTelCmd(fbcmd.Name))
+}

x-pack/filebeat/cmd/root.go

@@ -17,7 +17,6 @@ import (
 	"github.com/elastic/beats/v7/libbeat/publisher/processing"
 	"github.com/elastic/beats/v7/x-pack/filebeat/include"
 	inputs "github.com/elastic/beats/v7/x-pack/filebeat/input/default-inputs"
-	"github.com/elastic/beats/v7/x-pack/libbeat/common/otelbeat"
 	"github.com/elastic/beats/v7/x-pack/libbeat/management"
 
 	// Register the includes.
@@ -41,7 +40,7 @@ func Filebeat() *cmd.BeatsRootCmd {
 	command.PersistentPreRun = func(cmd *cobra.Command, args []string) {
 		management.ConfigTransform.SetTransform(filebeatCfg)
 	}
-	command.AddCommand(otelbeat.OTelCmd(fbcmd.Name))
+	addOTelCommand(command)
 	return command
 }
 

x-pack/filebeat/magefile.go

@@ -43,6 +43,13 @@ func Build() error {
 	return devtools.Build(devtools.DefaultBuildArgs())
 }
 
+// BuildOTel builds the Beat binary with OTel sub command
+func BuildOTel() error {
+	args := devtools.DefaultBuildArgs()
+	args.ExtraFlags = append(args.ExtraFlags, "-tags", "otelbeat")
+	return devtools.Build(args)
+}
+
 // BuildSystemTestBinary builds a binary instrumented for use with Python system tests.
 func BuildSystemTestBinary() error {
 	return devtools.BuildSystemTestBinary()
@@ -168,13 +175,15 @@ func IntegTest() {
 
 // GoIntegTest starts the docker containers and executes the Go integration tests.
 func GoIntegTest(ctx context.Context) error {
-	mg.Deps(BuildSystemTestBinary)
+	// build integration test binary with otel sub command
+	devtools.BuildSystemTestOTelBinary()
 	return devtools.GoIntegTestFromHost(ctx, devtools.DefaultGoTestIntegrationFromHostArgs())
 }
 
 // GoFIPSOnlyIntegTest starts the docker containers and executes the Go integration tests with GODEBUG=fips140=only set.
 func GoFIPSOnlyIntegTest(ctx context.Context) error {
-	mg.Deps(BuildSystemTestBinary)
+	// build integration test binary with otel sub command
+	devtools.BuildSystemTestOTelBinary()
 	return devtools.GoIntegTestFromHost(ctx, devtools.FIPSOnlyGoTestIntegrationFromHostArgs())
 }