feat: add failsafe reason for video max restart attempts reached (#991)

Author: ym

failsafe.go

@@ -5,6 +5,8 @@ import (
 	"os"
 	"strings"
 	"sync"
+
+	"github.com/jetkvm/kvm/internal/supervisor"
 )
 
 const (
@@ -78,6 +80,10 @@ func checkFailsafeReason() {
 
 		// TODO: read the goroutine stack trace and check which goroutine is panicking
 		failsafeModeActive = true
+		if strings.Contains(failsafeCrashLog, supervisor.FailsafeReasonVideoMaxRestartAttemptsReached) {
+			failsafeModeReason = "video"
+			return
+		}
 		if strings.Contains(failsafeCrashLog, "runtime.cgocall") {
 			failsafeModeReason = "video"
 			return

internal/native/proxy.go

@@ -15,6 +15,7 @@ import (
 	"time"
 
 	"github.com/Masterminds/semver/v3"
+	"github.com/jetkvm/kvm/internal/supervisor"
 	"github.com/jetkvm/kvm/internal/utils"
 	"github.com/rs/zerolog"
 )
@@ -422,7 +423,7 @@ func (p *NativeProxy) restartProcess() error {
 	logger := p.logger.With().Uint("attempt", p.restarts).Uint("maxAttempts", p.options.MaxRestartAttempts).Logger()
 
 	if p.restarts >= p.options.MaxRestartAttempts {
-		logger.Fatal().Msg("max restart attempts reached, exiting")
+		logger.Fatal().Msgf("max restart attempts reached, exiting: %s", supervisor.FailsafeReasonVideoMaxRestartAttemptsReached)
 		return fmt.Errorf("max restart attempts reached")
 	}
 

internal/supervisor/consts.go

@@ -6,4 +6,6 @@ const (
 	ErrorDumpDir      = "/userdata/jetkvm/crashdump" // The error dump directory is the directory where the error dumps are stored
 	ErrorDumpLastFile = "last-crash.log"             // The error dump last file is the last error dump file
 	ErrorDumpTemplate = "jetkvm-%s.log"              // The error dump template is the template for the error dump file
+
+	FailsafeReasonVideoMaxRestartAttemptsReached = "failsafe::video.max_restart_attempts_reached"
 )