Merge pull request #3204 from apostasie/dev-3187

Workaround delayed log file creation

pkg/logging/json_logger.go

@@ -28,6 +28,7 @@ import (
  "strings"
  "time"
 
+ "github.com/containerd/containerd/errdefs"
  "github.com/containerd/containerd/runtime/v2/logging"
  "github.com/containerd/log"
  "github.com/containerd/nerdctl/v2/pkg/logging/jsonfile"
@@ -129,7 +130,16 @@ func (jsonLogger *JSONLogger) PostProcess() error {
 func viewLogsJSONFile(lvopts LogViewOptions, stdout, stderr io.Writer, stopChannel chan os.Signal) error {
  logFilePath := jsonfile.Path(lvopts.DatastoreRootPath, lvopts.Namespace, lvopts.ContainerID)
  if _, err := os.Stat(logFilePath); err != nil {
- return fmt.Errorf("failed to stat JSON log file ")
+ // FIXME: this is a workaround for the actual issue, not a real solution
+ // https://github.com/containerd/nerdctl/issues/3187
+ if errors.Is(err, errdefs.ErrNotFound) {
+ log.L.Warnf("Racing log file creation. Pausing briefly.")
+ time.Sleep(200 * time.Millisecond)
+ _, err = os.Stat(logFilePath)
+ }
+ if err != nil {
+ return fmt.Errorf("failed to stat JSON log file %w", err)
+ }
  }
 
  if checkExecutableAvailableInPath("tail") {