diff options
Diffstat (limited to 'runsc/main.go')
| -rw-r--r-- | runsc/main.go | 39 |
1 files changed, 23 insertions, 16 deletions
diff --git a/runsc/main.go b/runsc/main.go index 4a92db7c0..c0ee04216 100644 --- a/runsc/main.go +++ b/runsc/main.go @@ -38,17 +38,18 @@ var ( // Docker, and thus should not be changed. rootDir = flag.String("root", "", "root directory for storage of container state") logFilename = flag.String("log", "", "file path where internal debug information is written, default is stdout") - logFormat = flag.String("log-format", "text", "log format: text (default) or json") + logFormat = flag.String("log-format", "text", "log format: text (default), json, or json-k8s") debug = flag.Bool("debug", false, "enable debug logging") // These flags are unique to runsc, and are used to configure parts of the // system that are not covered by the runtime spec. // Debugging flags. - debugLog = flag.String("debug-log", "", "additional location for logs. If it ends with '/', log files are created inside the directory with default names. The following variables are available: %TIMESTAMP%, %COMMAND%.") - logPackets = flag.Bool("log-packets", false, "enable network packet logging") - logFD = flag.Int("log-fd", -1, "file descriptor to log to. If set, the 'log' flag is ignored.") - debugLogFD = flag.Int("debug-log-fd", -1, "file descriptor to write debug logs to. If set, the 'debug-log-dir' flag is ignored.") + debugLog = flag.String("debug-log", "", "additional location for logs. If it ends with '/', log files are created inside the directory with default names. The following variables are available: %TIMESTAMP%, %COMMAND%.") + logPackets = flag.Bool("log-packets", false, "enable network packet logging") + logFD = flag.Int("log-fd", -1, "file descriptor to log to. If set, the 'log' flag is ignored.") + debugLogFD = flag.Int("debug-log-fd", -1, "file descriptor to write debug logs to. If set, the 'debug-log-dir' flag is ignored.") + debugLogFormat = flag.String("debug-log-format", "text", "log format: text (default), json, or json-k8s") // Debugging flags: strace related strace = flag.Bool("strace", false, "enable strace") @@ -133,6 +134,7 @@ func main() { LogFilename: *logFilename, LogFormat: *logFormat, DebugLog: *debugLog, + DebugLogFormat: *debugLogFormat, FileAccess: fsAccess, Overlay: *overlay, Network: netType, @@ -166,15 +168,7 @@ func main() { logFile = f } - var e log.Emitter - switch *logFormat { - case "text": - e = log.GoogleEmitter{&log.Writer{Next: logFile}} - case "json": - e = log.JSONEmitter{log.Writer{Next: logFile}} - default: - cmd.Fatalf("invalid log format %q, must be 'json' or 'text'", *logFormat) - } + e := newEmitter(*logFormat, logFile) subcommand := flag.CommandLine.Arg(0) if *debugLogFD > -1 { @@ -195,13 +189,13 @@ func main() { cmd.Fatalf("error dup'ing fd %d to stderr: %v", f.Fd(), err) } - e = log.MultiEmitter{e, log.GoogleEmitter{&log.Writer{Next: f}}} + e = log.MultiEmitter{e, newEmitter(*debugLogFormat, f)} } else if *debugLog != "" { f, err := specutils.DebugLogFile(*debugLog, subcommand) if err != nil { cmd.Fatalf("error opening debug log file in %q: %v", *debugLog, err) } - e = log.MultiEmitter{e, log.GoogleEmitter{&log.Writer{Next: f}}} + e = log.MultiEmitter{e, newEmitter(*debugLogFormat, f)} } log.SetTarget(e) @@ -236,6 +230,19 @@ func main() { os.Exit(128) } +func newEmitter(format string, logFile io.Writer) log.Emitter { + switch format { + case "text": + return &log.GoogleEmitter{&log.Writer{Next: logFile}} + case "json": + return &log.JSONEmitter{log.Writer{Next: logFile}} + case "json-k8s": + return &log.K8sJSONEmitter{log.Writer{Next: logFile}} + } + cmd.Fatalf("invalid log format %q, must be 'text', 'json', or 'json-k8s'", format) + panic("unreachable") +} + func init() { // Set default root dir to something (hopefully) user-writeable. *rootDir = "/var/run/runsc" |