diff options
Diffstat (limited to 'runsc/specutils')
| -rw-r--r-- | runsc/specutils/specutils.go | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/runsc/specutils/specutils.go b/runsc/specutils/specutils.go index ac017ba2d..6b3e52021 100644 --- a/runsc/specutils/specutils.go +++ b/runsc/specutils/specutils.go @@ -351,12 +351,25 @@ func WaitForReady(pid int, timeout time.Duration, ready func() (bool, error)) er return backoff.Retry(op, b) } -// DebugLogFile opens a file in logDir based on the timestamp and subcommand -// for writing. -func DebugLogFile(logDir, subcommand string) (*os.File, error) { - // Format: <debug-log-dir>/runsc.log.<yyyymmdd-hhmmss.uuuuuu>.<command> - filename := fmt.Sprintf("runsc.log.%s.%s", time.Now().Format("20060102-150405.000000"), subcommand) - return os.OpenFile(filepath.Join(logDir, filename), os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0664) +// DebugLogFile opens a log file using 'logPattern' as location. If 'logPattern' +// ends with '/', it's used as a directory with default file name. +// 'logPattern' can contain variables that are substitued: +// - %TIMESTAMP%: is replaced with a timestamp using the following format: +// <yyyymmdd-hhmmss.uuuuuu> +// - %COMMAND%: is replaced with 'command' +func DebugLogFile(logPattern, command string) (*os.File, error) { + if strings.HasSuffix(logPattern, "/") { + // Default format: <debug-log>/runsc.log.<yyyymmdd-hhmmss.uuuuuu>.<command> + logPattern += "runsc.log.%TIMESTAMP%.%COMMAND%" + } + logPattern = strings.Replace(logPattern, "%TIMESTAMP%", time.Now().Format("20060102-150405.000000"), -1) + logPattern = strings.Replace(logPattern, "%COMMAND%", command, -1) + + dir := filepath.Dir(logPattern) + if err := os.MkdirAll(dir, 0775); err != nil { + return nil, fmt.Errorf("error creating dir %q: %v", dir, err) + } + return os.OpenFile(logPattern, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0664) } // Mount creates the mount point and calls Mount with the given flags. |