Add export of service logs to dev run command

modules/cli/cmd/devrunner/config/constants.go

@@ -4,6 +4,7 @@ const (
 	duskNum                          = "9"
 	dawnNum                          = "0"
 	BinariesDirName                  = "bin"
+	LogsDirName                      = "logs"
 	DataDirName                      = "data"
 	DefaultBaseConfigName            = "base-config.toml"
 	DefaultCometbftGenesisFilename   = "genesis.json"

modules/cli/cmd/devrunner/init.go

@@ -52,6 +52,10 @@ func runInitialization(c *cobra.Command, _ []string) {
 	log.Info("Creating new instance in:", instanceDir)
 	cmd.CreateDirOrPanic(instanceDir)
 
+	// create a directory for all log files
+	logsDir := filepath.Join(instanceDir, config.LogsDirName)
+	cmd.CreateDirOrPanic(logsDir)
+
 	// create the local bin directory for downloaded binaries
 	localBinPath := filepath.Join(instanceDir, config.BinariesDirName)
 	log.Info("Binary files for locally running a sequencer placed in: ", localBinPath)

modules/cli/cmd/devrunner/purge.go

@@ -78,11 +78,41 @@ func purgeAllCmdHandler(c *cobra.Command, _ []string) {
 	log.Infof("Successfully deleted instance '%s'", instance)
 }
 
+// purgeLogsCmd represents the 'purge logs' command
+var purgeLogsCmd = &cobra.Command{
+	Use:   "logs",
+	Short: "Delete all logs for a given instance. Re-initializing is NOT required after using this command.",
+	Run:   purgeLogsCmdHandler,
+}
+
+func purgeLogsCmdHandler(c *cobra.Command, _ []string) {
+	flagHandler := cmd.CreateCliFlagHandler(c, cmd.EnvPrefix)
+
+	instance := flagHandler.GetValue("instance")
+	config.IsInstanceNameValidOrPanic(instance)
+
+	homeDir := cmd.GetUserHomeDirOrPanic()
+	logDir := filepath.Join(homeDir, ".astria", instance, config.LogsDirName)
+
+	log.Infof("Deleting logs for instance '%s'", instance)
+
+	err := os.RemoveAll(logDir)
+	if err != nil {
+		fmt.Println("Error removing file:", err)
+		return
+	}
+	cmd.CreateDirOrPanic(logDir)
+
+	log.Infof("Successfully deleted logs for instance '%s'", instance)
+
+}
+
 func init() {
 	// top level command
 	devCmd.AddCommand(purgeCmd)
 
 	// subcommands
 	purgeCmd.AddCommand(purgeBinariesCmd)
 	purgeCmd.AddCommand(purgeAllCmd)
+	purgeCmd.AddCommand(purgeLogsCmd)
 }

modules/cli/cmd/devrunner/run.go

@@ -36,6 +36,7 @@ func init() {
 	flagHandler.BindStringFlag("cometbft-path", "", "Provide an override path to a specific cometbft binary.")
 	flagHandler.BindStringFlag("composer-path", "", "Provide an override path to a specific composer binary.")
 	flagHandler.BindStringFlag("sequencer-path", "", "Provide an override path to a specific sequencer binary.")
+	flagHandler.BindBoolFlag("export-logs", false, "Export logs to files.")
 }
 
 func runCmdHandler(c *cobra.Command, _ []string) {
@@ -49,6 +50,11 @@ func runCmdHandler(c *cobra.Command, _ []string) {
 	instance := flagHandler.GetValue("instance")
 	config.IsInstanceNameValidOrPanic(instance)
 
+	exportLogs := flagHandler.GetValue("export-logs") == "true"
+	logsDir := filepath.Join(astriaDir, instance, config.LogsDirName)
+	currentTime := time.Now()
+	appStartTime := currentTime.Format("20060102-150405") // YYYYMMDD-HHMMSS
+
 	cmd.CreateUILog(filepath.Join(astriaDir, instance))
 
 	network := flagHandler.GetValue("network")
@@ -106,6 +112,8 @@ func runCmdHandler(c *cobra.Command, _ []string) {
 				Env:        environment,
 				Args:       nil,
 				ReadyCheck: &seqReadinessCheck,
+				LogPath:    filepath.Join(logsDir, appStartTime+"-astria-sequencer.log"),
+				ExportLogs: exportLogs,
 			}
 			seqRunner = processrunner.NewProcessRunner(ctx, seqOpts)
 		case "composer":
@@ -116,6 +124,8 @@ func runCmdHandler(c *cobra.Command, _ []string) {
 				Env:        environment,
 				Args:       nil,
 				ReadyCheck: nil,
+				LogPath:    filepath.Join(logsDir, appStartTime+"-astria-composer.log"),
+				ExportLogs: exportLogs,
 			}
 			compRunner = processrunner.NewProcessRunner(ctx, composerOpts)
 		case "conductor":
@@ -126,6 +136,8 @@ func runCmdHandler(c *cobra.Command, _ []string) {
 				Env:        environment,
 				Args:       nil,
 				ReadyCheck: nil,
+				LogPath:    filepath.Join(logsDir, appStartTime+"-astria-conductor.log"),
+				ExportLogs: exportLogs,
 			}
 			condRunner = processrunner.NewProcessRunner(ctx, conductorOpts)
 		case "cometbft":
@@ -146,6 +158,8 @@ func runCmdHandler(c *cobra.Command, _ []string) {
 				Env:        environment,
 				Args:       []string{"node", "--home", cometDataPath, "--log_level", serviceLogLevel},
 				ReadyCheck: &cometReadinessCheck,
+				LogPath:    filepath.Join(logsDir, appStartTime+"-cometbft.log"),
+				ExportLogs: exportLogs,
 			}
 			cometRunner = processrunner.NewProcessRunner(ctx, cometOpts)
 		default:
@@ -155,6 +169,8 @@ func runCmdHandler(c *cobra.Command, _ []string) {
 				Env:        environment,
 				Args:       nil, // TODO: implement generic args?
 				ReadyCheck: nil,
+				LogPath:    filepath.Join(logsDir, appStartTime+"-"+service.Name+".log"),
+				ExportLogs: exportLogs,
 			}
 			genericRunner := processrunner.NewProcessRunner(ctx, genericOpts)
 			genericRunners = append(genericRunners, genericRunner)

modules/cli/internal/processrunner/logHandler.go

@@ -0,0 +1,61 @@
+package processrunner
+
+import (
+	"os"
+	"regexp"
+
+	log "github.com/sirupsen/logrus"
+)
+
+type LogHandler struct {
+	logPath        string
+	exportLogs     bool
+	fileDescriptor *os.File
+}
+
+func NewLogHandler(logPath string, exportLogs bool) *LogHandler {
+	var fileDescriptor *os.File
+
+	// conditionally create the log file
+	if exportLogs {
+		// Open the log file
+		logFile, err := os.OpenFile(logPath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+		if err != nil {
+			log.Fatalf("error opening file: %v", err)
+		}
+		log.Info("New log file created successfully:", logPath)
+		fileDescriptor = logFile
+	} else {
+		fileDescriptor = nil
+	}
+
+	return &LogHandler{
+		logPath:        logPath,
+		exportLogs:     exportLogs,
+		fileDescriptor: fileDescriptor,
+	}
+}
+
+func (lh *LogHandler) Writeable() bool {
+	return lh.exportLogs
+}
+
+func (lh *LogHandler) Write(data string) error {
+	// Remove ANSI escape codes from data
+	ansiRegex := regexp.MustCompile(`\x1b\[[0-9;]*[mGKH]`)
+	cleanData := ansiRegex.ReplaceAllString(data, "")
+
+	_, err := lh.fileDescriptor.Write([]byte(cleanData))
+	if err != nil {
+		log.Fatalf("error writing to logfile %s: %v", lh.logPath, err)
+		return err
+	}
+	return nil
+}
+
+func (lh *LogHandler) Close() error {
+	if lh.fileDescriptor != nil {
+		return lh.fileDescriptor.Close()
+	}
+	return nil
+}

modules/cli/internal/processrunner/processrunner.go

@@ -21,6 +21,8 @@ type ProcessRunner interface {
 	GetOutputAndClearBuf() string
 	GetInfo() string
 	GetEnvironment() []string
+	CanWriteToLog() bool
+	WriteToLog(data string) error
 }
 
 // ProcessRunner is a struct that represents a process to be run.
@@ -41,6 +43,7 @@ type processRunner struct {
 	outputBuf *safebuffer.SafeBuffer
 
 	readyChecker *ReadyChecker
+	logHandler   *LogHandler
 }
 
 type NewProcessRunnerOpts struct {
@@ -49,6 +52,8 @@ type NewProcessRunnerOpts struct {
 	Env        []string
 	Args       []string
 	ReadyCheck *ReadyChecker
+	LogPath    string
+	ExportLogs bool
 }
 
 // NewProcessRunner creates a new ProcessRunner.
@@ -58,6 +63,7 @@ func NewProcessRunner(ctx context.Context, opts NewProcessRunnerOpts) ProcessRun
 	// using exec.CommandContext to allow for cancellation from caller
 	cmd := exec.CommandContext(ctx, opts.BinPath, opts.Args...)
 	cmd.Env = opts.Env
+	logHandler := NewLogHandler(opts.LogPath, opts.ExportLogs)
 	return &processRunner{
 		ctx:          ctx,
 		cmd:          cmd,
@@ -67,6 +73,7 @@ func NewProcessRunner(ctx context.Context, opts NewProcessRunnerOpts) ProcessRun
 		opts:         opts,
 		env:          opts.Env,
 		readyChecker: opts.ReadyCheck,
+		logHandler:   logHandler,
 	}
 }
 
@@ -188,6 +195,9 @@ func (pr *processRunner) Start(ctx context.Context, depStarted <-chan bool) erro
 
 // Stop stops the process.
 func (pr *processRunner) Stop() {
+	if err := pr.logHandler.Close(); err != nil {
+		log.WithError(err).Errorf("Error closing log file for process %s", pr.title)
+	}
 	// send SIGINT to the process
 	if err := pr.cmd.Process.Signal(syscall.SIGINT); err != nil {
 		log.WithError(err).Errorf("Error sending SIGINT for process %s", pr.title)
@@ -224,3 +234,16 @@ func (pr *processRunner) GetInfo() string {
 func (pr *processRunner) GetEnvironment() []string {
 	return pr.env
 }
+
+func (pr *processRunner) CanWriteToLog() bool {
+	return pr.logHandler.Writeable()
+}
+
+func (pr *processRunner) WriteToLog(data string) error {
+	err := pr.logHandler.Write(data)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

modules/cli/internal/testutils/mocks.go

@@ -59,3 +59,12 @@ func (m *MockProcessRunner) GetInfo() string {
 	args := m.Called()
 	return args.String(0)
 }
+
+func (m *MockProcessRunner) CanWriteToLog() bool {
+	return false
+}
+
+func (m *MockProcessRunner) WriteToLog(data string) error {
+	args := m.Called(data)
+	return args.Error(0)
+}

modules/cli/internal/ui/processpane.go

@@ -60,6 +60,14 @@ func (pp *ProcessPane) StartScan() {
 
 			// new, unprocessed data.
 			pp.tApp.QueueUpdateDraw(func() {
+				// write output data to logs if possible
+				if pp.pr.CanWriteToLog() {
+					err := pp.pr.WriteToLog(currentOutput)
+					if err != nil {
+						log.WithError(err).Error("Error writing to log")
+					}
+				}
+				// write output data to ui element
 				_, err := pp.ansiWriter.Write([]byte(currentOutput))
 				if err != nil {
 					log.WithError(err).Error("Error writing to textView")