chore: Mostly ports SSHBackend.

backend/externalbackendlauncher/main.go

@@ -21,11 +21,8 @@ type ProxyInstance struct {
 	Protocol   string `json:"protocol"`
 }
 
-type WriteLogger struct {
-	UseError bool
-}
+type WriteLogger struct{}
 
-// TODO: deprecate UseError switching
 func (writer WriteLogger) Write(p []byte) (n int, err error) {
 	logSplit := strings.Split(string(p), "\n")
 
@@ -34,11 +31,7 @@ func (writer WriteLogger) Write(p []byte) (n int, err error) {
 			continue
 		}
 
-		if writer.UseError {
-			log.Errorf("application: %s", line)
-		} else {
-			log.Infof("application: %s", line)
-		}
+		log.Infof("application: %s", line)
 	}
 
 	return len(p), err
@@ -157,7 +150,7 @@ func entrypoint(cCtx *cli.Context) error {
 			if !command.IsRunning {
 				var status string
 
-				if command.StatusCode == commonbackend.StatusSuccess {
+				if command.StatusCode() == commonbackend.StatusCode_success {
 					status = "Success"
 				} else {
 					status = "Failure"
@@ -236,19 +229,14 @@ func entrypoint(cCtx *cli.Context) error {
 			log.Debug("entering infinite keepalive loop...")
 
 			for {
+				time.Sleep(1 * time.Second)
 			}
 		}
 	}()
 
 	log.Debug("entering execution loop (in main goroutine)...")
 
-	stdout := WriteLogger{
-		UseError: false,
-	}
-
-	stderr := WriteLogger{
-		UseError: true,
-	}
+	logger := WriteLogger{}
 
 	for {
 		log.Info("starting process...")
@@ -257,9 +245,7 @@ func entrypoint(cCtx *cli.Context) error {
 		cmd := exec.Command(executablePath)
 		cmd.Env = append(cmd.Env, fmt.Sprintf("HERMES_API_SOCK=%s", sockPath), fmt.Sprintf("HERMES_LOG_LEVEL=%s", logLevel))
 
-		cmd.Stdout = stdout
-		cmd.Stderr = stderr
-
+		cmd.Stdout, cmd.Stderr = logger, logger
 		err := cmd.Run()
 
 		if err != nil {