[8.x](backport #42119) [filebeat] Add unifiedlogs input to agent

x-pack/agentbeat/agentbeat.spec.yml

@@ -233,6 +233,11 @@ inputs:
     platforms: *platforms
     outputs: *outputs
     command: *filebeat_command
+  - name: unifiedlogs
+    description: "macOS Unified logs"
+    platforms: *platforms
+    outputs: *outputs
+    command: *filebeat_command
   - name: unix
     description: "Unix Socket"
     platforms: *platforms

x-pack/filebeat/input/unifiedlogs/config.go

@@ -13,9 +13,9 @@ import (
 )
 
 type config struct {
-	showConfig
-	commonConfig
-	Backfill bool `config:"backfill"`
+	ShowConfig   showConfig   `config:",inline"`
+	CommonConfig commonConfig `config:",inline"`
+	Backfill     bool         `config:"backfill"`
 }
 
 type showConfig struct {
@@ -38,17 +38,17 @@ type commonConfig struct {
 }
 
 func (c config) Validate() error {
-	if err := checkDateFormat(c.Start); err != nil {
+	if err := checkDateFormat(c.ShowConfig.Start); err != nil {
 		return fmt.Errorf("start date is not valid: %w", err)
 	}
-	if err := checkDateFormat(c.End); err != nil {
+	if err := checkDateFormat(c.ShowConfig.End); err != nil {
 		return fmt.Errorf("end date is not valid: %w", err)
 	}
-	if c.ArchiveFile != "" && !strings.HasSuffix(c.ArchiveFile, ".logarchive") {
-		return fmt.Errorf("archive_file %v has the wrong extension", c.ArchiveFile)
+	if c.ShowConfig.ArchiveFile != "" && !strings.HasSuffix(c.ShowConfig.ArchiveFile, ".logarchive") {
+		return fmt.Errorf("archive_file %v has the wrong extension", c.ShowConfig.ArchiveFile)
 	}
-	if c.TraceFile != "" && !strings.HasSuffix(c.TraceFile, ".tracev3") {
-		return fmt.Errorf("trace_file %v has the wrong extension", c.TraceFile)
+	if c.ShowConfig.TraceFile != "" && !strings.HasSuffix(c.ShowConfig.TraceFile, ".tracev3") {
+		return fmt.Errorf("trace_file %v has the wrong extension", c.ShowConfig.TraceFile)
 	}
 	return nil
 }

x-pack/filebeat/input/unifiedlogs/config_test.go

@@ -0,0 +1,62 @@
+// 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 darwin
+
+package unifiedlogs
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	conf "github.com/elastic/elastic-agent-libs/config"
+)
+
+func TestConfig(t *testing.T) {
+	const cfgYaml = `
+archive_file: /path/to/file.logarchive
+trace_file: /path/to/file.tracev3
+start: 2024-12-04 13:46:00+0200
+end: 2024-12-04 13:46:00+0200
+predicate:
+- pid == 1
+process:
+- sudo
+source: true
+info: true
+debug: true
+backtrace: true
+signpost: true
+unreliable: true
+mach_continuous_time: true
+backfill: true
+`
+
+	expected := config{
+		ShowConfig: showConfig{
+			ArchiveFile: "/path/to/file.logarchive",
+			TraceFile:   "/path/to/file.tracev3",
+			Start:       "2024-12-04 13:46:00+0200",
+			End:         "2024-12-04 13:46:00+0200",
+		},
+		CommonConfig: commonConfig{
+			Predicate:          []string{"pid == 1"},
+			Process:            []string{"sudo"},
+			Source:             true,
+			Info:               true,
+			Debug:              true,
+			Backtrace:          true,
+			Signpost:           true,
+			Unreliable:         true,
+			MachContinuousTime: true,
+		},
+		Backfill: true,
+	}
+
+	c := conf.MustNewConfigFrom(cfgYaml)
+	cfg := defaultConfig()
+	assert.NoError(t, c.Unpack(&cfg))
+	assert.EqualValues(t, expected, cfg)
+}

x-pack/filebeat/input/unifiedlogs/input.go

@@ -66,7 +66,7 @@ type source struct {
 }
 
 func newSource(config config) source {
-	if config.ArchiveFile != "" || config.TraceFile != "" {
+	if config.ShowConfig.ArchiveFile != "" || config.ShowConfig.TraceFile != "" {
 		return source{name: srcArchiveName}
 	}
 	return source{name: srcPollName}
@@ -116,7 +116,7 @@ func (input *input) Run(ctxt v2.Context, src inputcursor.Source, resumeCursor in
 		return err
 	}
 	if startFrom != "" {
-		input.Start = startFrom
+		input.ShowConfig.Start = startFrom
 	}
 
 	return input.runWithMetrics(stdCtx, pub, log)
@@ -135,7 +135,7 @@ func (input *input) runWithMetrics(ctx context.Context, pub inputcursor.Publishe
 	// backfilling process.
 	if input.mustStream() {
 		g.Go(func() error {
-			logCmd := newLogStreamCmd(ctx, input.commonConfig)
+			logCmd := newLogStreamCmd(ctx, input.CommonConfig)
 			return input.runLogCmd(ctx, logCmd, wrappedPub, log)
 		})
 	}
@@ -149,7 +149,7 @@ func (input *input) runWithMetrics(ctx context.Context, pub inputcursor.Publishe
 				// To avoid potentially losing data we move the end forward one second,
 				// since it is preferable to have some duplicated events.
 				t = t.Add(time.Second)
-				input.End = t.Format(cursorDateLayout)
+				input.ShowConfig.End = t.Format(cursorDateLayout)
 
 				// to avoid race conditions updating the cursor, and to be able to
 				// resume from the oldest point in time, we only update cursor
@@ -171,14 +171,14 @@ func (input *input) runWithMetrics(ctx context.Context, pub inputcursor.Publishe
 // mustStream returns true in case a stream command is needed.
 // This is the default case and the only exceptions are when an archive file or an end date are set.
 func (input *input) mustStream() bool {
-	return !(input.ArchiveFile != "" || input.TraceFile != "" || input.End != "")
+	return !(input.ShowConfig.ArchiveFile != "" || input.ShowConfig.TraceFile != "" || input.ShowConfig.End != "")
 }
 
 // mustBackfill returns true in case a show command is needed.
 // This happens when start or end dates are set (for example when resuming filebeat), when an archive file is used,
 // or when user forces it via the backfill config.
 func (input *input) mustBackfill() bool {
-	return input.Backfill || input.ArchiveFile != "" || input.TraceFile != "" || input.Start != "" || input.End != ""
+	return input.Backfill || input.ShowConfig.ArchiveFile != "" || input.ShowConfig.TraceFile != "" || input.ShowConfig.Start != "" || input.ShowConfig.End != ""
 }
 
 func (input *input) runLogCmd(ctx context.Context, logCmd *exec.Cmd, pub inputcursor.Publisher, log *logp.Logger) error {
@@ -318,53 +318,53 @@ func newLogShowCmd(ctx context.Context, cfg config) *exec.Cmd {
 }
 
 func newLogStreamCmd(ctx context.Context, cfg commonConfig) *exec.Cmd {
-	return exec.CommandContext(ctx, "log", newLogCmdArgs("stream", config{commonConfig: cfg})...) // #nosec G204
+	return exec.CommandContext(ctx, "log", newLogCmdArgs("stream", config{CommonConfig: cfg})...) // #nosec G204
 }
 
 func newLogCmdArgs(subcmd string, config config) []string {
 	args := []string{subcmd, "--style", "ndjson"}
-	if config.ArchiveFile != "" {
-		args = append(args, "--archive", config.ArchiveFile)
+	if config.ShowConfig.ArchiveFile != "" {
+		args = append(args, "--archive", config.ShowConfig.ArchiveFile)
 	}
-	if config.TraceFile != "" {
-		args = append(args, "--file", config.TraceFile)
+	if config.ShowConfig.TraceFile != "" {
+		args = append(args, "--file", config.ShowConfig.TraceFile)
 	}
-	if len(config.Predicate) > 0 {
-		for _, p := range config.Predicate {
+	if len(config.CommonConfig.Predicate) > 0 {
+		for _, p := range config.CommonConfig.Predicate {
 			args = append(args, "--predicate", p)
 		}
 	}
-	if len(config.Process) > 0 {
-		for _, p := range config.Process {
+	if len(config.CommonConfig.Process) > 0 {
+		for _, p := range config.CommonConfig.Process {
 			args = append(args, "--process", p)
 		}
 	}
-	if config.Source {
+	if config.CommonConfig.Source {
 		args = append(args, "--source")
 	}
-	if config.Info {
+	if config.CommonConfig.Info {
 		args = append(args, "--info")
 	}
-	if config.Debug {
+	if config.CommonConfig.Debug {
 		args = append(args, "--debug")
 	}
-	if config.Backtrace {
+	if config.CommonConfig.Backtrace {
 		args = append(args, "--backtrace")
 	}
-	if config.Signpost {
+	if config.CommonConfig.Signpost {
 		args = append(args, "--signpost")
 	}
-	if config.Unreliable {
+	if config.CommonConfig.Unreliable {
 		args = append(args, "--unreliable")
 	}
-	if config.MachContinuousTime {
+	if config.CommonConfig.MachContinuousTime {
 		args = append(args, "--mach-continuous-time")
 	}
-	if config.Start != "" {
-		args = append(args, "--start", config.Start)
+	if config.ShowConfig.Start != "" {
+		args = append(args, "--start", config.ShowConfig.Start)
 	}
-	if config.End != "" {
-		args = append(args, "--end", config.End)
+	if config.ShowConfig.End != "" {
+		args = append(args, "--end", config.ShowConfig.End)
 	}
 	return args
 }

x-pack/filebeat/input/unifiedlogs/input_test.go

@@ -82,7 +82,7 @@ func TestInput(t *testing.T) {
 		{
 			name: "Archive not found",
 			cfg: config{
-				showConfig: showConfig{
+				ShowConfig: showConfig{
 					ArchiveFile: "notfound.logarchive",
 				},
 			},
@@ -93,7 +93,7 @@ func TestInput(t *testing.T) {
 		{
 			name: "Archived file",
 			cfg: config{
-				showConfig: showConfig{
+				ShowConfig: showConfig{
 					ArchiveFile: archivePath,
 				},
 			},
@@ -104,7 +104,7 @@ func TestInput(t *testing.T) {
 		{
 			name: "Trace file",
 			cfg: config{
-				showConfig: showConfig{
+				ShowConfig: showConfig{
 					TraceFile: path.Join(archivePath, "logdata.LiveData.tracev3"),
 				},
 			},
@@ -115,7 +115,7 @@ func TestInput(t *testing.T) {
 		{
 			name: "With start date",
 			cfg: config{
-				showConfig: showConfig{
+				ShowConfig: showConfig{
 					ArchiveFile: archivePath,
 					Start:       "2024-12-04 13:46:00+0200",
 				},
@@ -127,7 +127,7 @@ func TestInput(t *testing.T) {
 		{
 			name: "With start and end dates",
 			cfg: config{
-				showConfig: showConfig{
+				ShowConfig: showConfig{
 					ArchiveFile: archivePath,
 					Start:       "2024-12-04 13:45:00+0200",
 					End:         "2024-12-04 13:46:00+0200",
@@ -140,7 +140,7 @@ func TestInput(t *testing.T) {
 		{
 			name: "With end date",
 			cfg: config{
-				showConfig: showConfig{
+				ShowConfig: showConfig{
 					ArchiveFile: archivePath,
 					End:         "2024-12-04 13:46:00+0200",
 				},
@@ -152,10 +152,10 @@ func TestInput(t *testing.T) {
 		{
 			name: "With predicate",
 			cfg: config{
-				showConfig: showConfig{
+				ShowConfig: showConfig{
 					ArchiveFile: archivePath,
 				},
-				commonConfig: commonConfig{
+				CommonConfig: commonConfig{
 					Predicate: []string{
 						`processImagePath == "/kernel"`,
 					},
@@ -168,10 +168,10 @@ func TestInput(t *testing.T) {
 		{
 			name: "With process",
 			cfg: config{
-				showConfig: showConfig{
+				ShowConfig: showConfig{
 					ArchiveFile: archivePath,
 				},
-				commonConfig: commonConfig{
+				CommonConfig: commonConfig{
 					Process: []string{
 						"0",
 					},
@@ -184,10 +184,10 @@ func TestInput(t *testing.T) {
 		{
 			name: "With optional flags",
 			cfg: config{
-				showConfig: showConfig{
+				ShowConfig: showConfig{
 					ArchiveFile: archivePath,
 				},
-				commonConfig: commonConfig{
+				CommonConfig: commonConfig{
 					Info:               true,
 					Debug:              true,
 					Backtrace:          true,
@@ -253,10 +253,10 @@ func TestBackfillAndStream(t *testing.T) {
 
 	cfg := config{
 		Backfill: true,
-		showConfig: showConfig{
+		ShowConfig: showConfig{
 			Start: time.Now().Add(-5 * time.Second).Format("2006-01-02 15:04:05"),
 		},
-		commonConfig: commonConfig{
+		CommonConfig: commonConfig{
 			Info:               true,
 			Debug:              true,
 			Backtrace:          true,
@@ -350,7 +350,7 @@ func filterLogCmdLine(buf []byte, cmd, cmdPrefix string) string {
 			continue
 		}
 
-		trimmed := strings.TrimPrefix(parts[3], cmdStartPrefix)
+		trimmed := strings.TrimPrefix(parts[3], cmdPrefix)
 		if strings.HasPrefix(trimmed, cmd) {
 			return trimmed
 		}