diff options
Diffstat (limited to 'runsc/main.go')
| -rw-r--r-- | runsc/main.go | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/runsc/main.go b/runsc/main.go index cf4b99d3f..883b8b1f4 100644 --- a/runsc/main.go +++ b/runsc/main.go @@ -126,7 +126,10 @@ func main() { var logFile io.Writer = os.Stderr if *logFilename != "" { - f, err := os.OpenFile(*logFilename, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644) + // We must set O_APPEND and not O_TRUNC because Docker passes + // the same log file for all commands (and also parses these + // log files), so we can't destroy them on each command. + f, err := os.OpenFile(*logFilename, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0644) if err != nil { cmd.Fatalf("error opening log file %q: %v", *logFilename, err) } |