[8.x](backport #41277) refactor beats argument parsing

NOTICE.txt

@@ -25581,6 +25581,43 @@ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
+--------------------------------------------------------------------------------
+Dependency : golang.org/x/term
+Version: v0.24.0
+Licence type (autodetected): BSD-3-Clause
+--------------------------------------------------------------------------------
+
+Contents of probable licence file $GOMODCACHE/golang.org/x/term@v0.24.0/LICENSE:
+
+Copyright 2009 The Go Authors.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+   * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+   * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+   * Neither the name of Google LLC nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
 --------------------------------------------------------------------------------
 Dependency : golang.org/x/text
 Version: v0.18.0
@@ -57052,43 +57089,6 @@ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
---------------------------------------------------------------------------------
-Dependency : golang.org/x/term
-Version: v0.24.0
-Licence type (autodetected): BSD-3-Clause
---------------------------------------------------------------------------------
-
-Contents of probable licence file $GOMODCACHE/golang.org/x/term@v0.24.0/LICENSE:
-
-Copyright 2009 The Go Authors.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-   * Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
-   * Redistributions in binary form must reproduce the above
-copyright notice, this list of conditions and the following disclaimer
-in the documentation and/or other materials provided with the
-distribution.
-   * Neither the name of Google LLC nor the names of its
-contributors may be used to endorse or promote products derived from
-this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
 --------------------------------------------------------------------------------
 Dependency : golang.org/x/xerrors
 Version: v0.0.0-20231012003039-104605ab7028

auditbeat/main_test.go

@@ -24,6 +24,7 @@ import (
 	"testing"
 
 	"github.com/elastic/beats/v7/auditbeat/cmd"
+	"github.com/elastic/beats/v7/libbeat/cfgfile"
 	"github.com/elastic/beats/v7/libbeat/tests/system/template"
 )
 
@@ -34,11 +35,14 @@ func init() {
 	systemTest = flag.Bool("systemTest", false, "Set to true when running system tests")
 
 	cmd.RootCmd.PersistentFlags().AddGoFlag(flag.CommandLine.Lookup("systemTest"))
+	cfgfile.AddAllowedBackwardsCompatibleFlag("systemTest")
 	cmd.RootCmd.PersistentFlags().AddGoFlag(flag.CommandLine.Lookup("test.coverprofile"))
+	cfgfile.AddAllowedBackwardsCompatibleFlag("test.coverprofile")
 }
 
 // Test started when the test binary is started. Only calls main.
 func TestSystem(*testing.T) {
+	cfgfile.ConvertFlagsForBackwardsCompatibility()
 	if *systemTest {
 		main()
 	}

filebeat/cmd/generate.go

@@ -26,6 +26,7 @@ import (
 	"github.com/elastic/beats/v7/filebeat/generator/fields"
 	"github.com/elastic/beats/v7/filebeat/generator/fileset"
 	"github.com/elastic/beats/v7/filebeat/generator/module"
+	"github.com/elastic/beats/v7/libbeat/cfgfile"
 	"github.com/elastic/beats/v7/libbeat/common/cli"
 	"github.com/elastic/elastic-agent-libs/paths"
 )
@@ -63,7 +64,9 @@ func genGenerateModuleCmd() *cobra.Command {
 	}
 
 	genModuleCmd.Flags().String("modules-path", defaultHomePath, "Path to modules directory")
+	cfgfile.AddAllowedBackwardsCompatibleFlag("modules-path")
 	genModuleCmd.Flags().String("es-beats", defaultHomePath, "Path to Elastic Beats")
+	cfgfile.AddAllowedBackwardsCompatibleFlag("es-beats")
 
 	return genModuleCmd
 }
@@ -88,7 +91,9 @@ func genGenerateFilesetCmd() *cobra.Command {
 	}
 
 	genFilesetCmd.Flags().String("modules-path", defaultHomePath, "Path to modules directory")
+	cfgfile.AddAllowedBackwardsCompatibleFlag("modules-path")
 	genFilesetCmd.Flags().String("es-beats", defaultHomePath, "Path to Elastic Beats")
+	cfgfile.AddAllowedBackwardsCompatibleFlag("es-beats")
 
 	return genFilesetCmd
 }
@@ -113,7 +118,9 @@ func genGenerateFieldsCmd() *cobra.Command {
 	}
 
 	genFieldsCmd.Flags().String("es-beats", defaultHomePath, "Path to Elastic Beats")
+	cfgfile.AddAllowedBackwardsCompatibleFlag("es-beats")
 	genFieldsCmd.Flags().Bool("without-documentation", false, "Do not add description fields")
+	cfgfile.AddAllowedBackwardsCompatibleFlag("without-documentation")
 
 	return genFieldsCmd
 }

filebeat/cmd/root.go

@@ -26,6 +26,7 @@ import (
 	"github.com/elastic/beats/v7/filebeat/fileset"
 	"github.com/elastic/beats/v7/filebeat/include"
 	"github.com/elastic/beats/v7/filebeat/input"
+	"github.com/elastic/beats/v7/libbeat/cfgfile"
 	"github.com/elastic/beats/v7/libbeat/cmd"
 	"github.com/elastic/beats/v7/libbeat/cmd/instance"
 
@@ -49,7 +50,9 @@ func FilebeatSettings(moduleNameSpace string) instance.Settings {
 	}
 	runFlags := pflag.NewFlagSet(Name, pflag.ExitOnError)
 	runFlags.AddGoFlag(flag.CommandLine.Lookup("once"))
+	cfgfile.AddAllowedBackwardsCompatibleFlag("once")
 	runFlags.AddGoFlag(flag.CommandLine.Lookup("modules"))
+	cfgfile.AddAllowedBackwardsCompatibleFlag("modules")
 	return instance.Settings{
 		RunFlags:      runFlags,
 		Name:          Name,
@@ -66,8 +69,10 @@ func FilebeatSettings(moduleNameSpace string) instance.Settings {
 func Filebeat(inputs beater.PluginFactory, settings instance.Settings) *cmd.BeatsRootCmd {
 	command := cmd.GenRootCmdWithSettings(beater.New(inputs), settings)
 	command.PersistentFlags().AddGoFlag(flag.CommandLine.Lookup("M"))
+	cfgfile.AddAllowedBackwardsCompatibleFlag("M")
 	command.TestCmd.Flags().AddGoFlag(flag.CommandLine.Lookup("modules"))
 	command.SetupCmd.Flags().AddGoFlag(flag.CommandLine.Lookup("modules"))
+	cfgfile.AddAllowedBackwardsCompatibleFlag("modules")
 	command.AddCommand(cmd.GenModulesCmd(Name, "", buildModulesManager))
 	command.AddCommand(genGenerateCmd())
 	return command

filebeat/main_test.go

@@ -26,6 +26,7 @@ import (
 
 	fbcmd "github.com/elastic/beats/v7/filebeat/cmd"
 	inputs "github.com/elastic/beats/v7/filebeat/input/default-inputs"
+	"github.com/elastic/beats/v7/libbeat/cfgfile"
 	cmd "github.com/elastic/beats/v7/libbeat/cmd"
 	"github.com/elastic/beats/v7/libbeat/tests/system/template"
 )
@@ -40,11 +41,14 @@ func init() {
 	systemTest = flag.Bool("systemTest", false, "Set to true when running system tests")
 	fbCommand = fbcmd.Filebeat(inputs.Init, fbcmd.FilebeatSettings(""))
 	fbCommand.PersistentFlags().AddGoFlag(flag.CommandLine.Lookup("systemTest"))
+	cfgfile.AddAllowedBackwardsCompatibleFlag("systemTest")
 	fbCommand.PersistentFlags().AddGoFlag(flag.CommandLine.Lookup("test.coverprofile"))
+	cfgfile.AddAllowedBackwardsCompatibleFlag("test.coverprofile")
 }
 
 // Test started when the test binary is started. Only calls main.
 func TestSystem(t *testing.T) {
+	cfgfile.ConvertFlagsForBackwardsCompatibility()
 	if *systemTest {
 		if err := fbCommand.Execute(); err != nil {
 			os.Exit(1)

go.mod

@@ -224,6 +224,7 @@ require (
 	go.opentelemetry.io/collector/consumer v0.109.0
 	go.opentelemetry.io/collector/pdata v1.15.0
 	go.opentelemetry.io/collector/receiver v0.109.0
+	golang.org/x/term v0.24.0
 	google.golang.org/genproto/googleapis/api v0.0.0-20240725223205-93522f1f2a9f
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 )
@@ -382,7 +383,6 @@ require (
 	go.opentelemetry.io/otel/trace v1.29.0 // indirect
 	go.uber.org/ratelimit v0.3.1 // indirect
 	golang.org/x/exp v0.0.0-20240205201215-2c58cdc269a3 // indirect
-	golang.org/x/term v0.24.0 // indirect
 	golang.org/x/xerrors v0.0.0-20231012003039-104605ab7028 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240822170219-fc7c04adadcd // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

heartbeat/cmd/root.go

@@ -22,6 +22,7 @@ import (
 
 	"github.com/elastic/beats/v7/heartbeat/beater"
 	"github.com/elastic/beats/v7/heartbeat/include"
+	"github.com/elastic/beats/v7/libbeat/cfgfile"
 	cmd "github.com/elastic/beats/v7/libbeat/cmd"
 	"github.com/elastic/beats/v7/libbeat/cmd/instance"
 	"github.com/elastic/beats/v7/libbeat/ecs"
@@ -81,6 +82,7 @@ func Initialize(settings instance.Settings) *cmd.BeatsRootCmd {
 `
 	setup.ResetFlags()
 	setup.Flags().Bool(cmd.IndexManagementKey, false, "Setup all components related to Elasticsearch index management, including template, ilm policy and rollover alias")
+	cfgfile.AddAllowedBackwardsCompatibleFlag(cmd.IndexManagementKey)
 
 	return rootCmd
 }

heartbeat/main_test.go

@@ -24,6 +24,7 @@ import (
 	"testing"
 
 	"github.com/elastic/beats/v7/heartbeat/cmd"
+	"github.com/elastic/beats/v7/libbeat/cfgfile"
 	"github.com/elastic/beats/v7/libbeat/tests/system/template"
 )
 
@@ -33,11 +34,14 @@ func init() {
 	testing.Init()
 	systemTest = flag.Bool("systemTest", false, "Set to true when running system tests")
 	cmd.RootCmd.PersistentFlags().AddGoFlag(flag.CommandLine.Lookup("systemTest"))
+	cfgfile.AddAllowedBackwardsCompatibleFlag("systemTest")
 	cmd.RootCmd.PersistentFlags().AddGoFlag(flag.CommandLine.Lookup("test.coverprofile"))
+	cfgfile.AddAllowedBackwardsCompatibleFlag("test.coverprofile")
 }
 
 // Test started when the test binary is started. Only calls main.
 func TestSystem(_ *testing.T) {
+	cfgfile.ConvertFlagsForBackwardsCompatibility()
 	if *systemTest {
 		main()
 	}