func setAppBefore(app *cli.App) {
app.Before = func(context *cli.Context) error {
if context.GlobalBool("debug") {
logrus.SetLevel(logrus.DebugLevel)
if context.GlobalDuration("metrics-interval") > 0 {
if err := debugMetrics(context.GlobalDuration("metrics-interval"), context.GlobalString("graphite-address")); err != nil {
return err
}
}
}
if p := context.GlobalString("pprof-address"); len(p) > 0 {
pprof.Enable(p)
}
if err := checkLimits(); err != nil {
return err
}
return nil
}
}
func main() {
logrus.SetFormatter(&logrus.TextFormatter{TimestampFormat: time.RFC3339Nano})
app := cli.NewApp()
app.Name = "containerd"
if containerd.GitCommit != "" {
app.Version = fmt.Sprintf("%s commit: %s", containerd.Version, containerd.GitCommit)
} else {
app.Version = containerd.Version
}
app.Usage = usage
app.Flags = daemonFlags
app.Before = func(context *cli.Context) error {
if context.GlobalBool("debug") {
logrus.SetLevel(logrus.DebugLevel)
if context.GlobalDuration("metrics-interval") > 0 {
if err := debugMetrics(context.GlobalDuration("metrics-interval"), context.GlobalString("graphite-address")); err != nil {
return err
}
}
}
if p := context.GlobalString("pprof-address"); len(p) > 0 {
pprof.Enable(p)
}
if err := checkLimits(); err != nil {
return err
}
return nil
}
app.Action = func(context *cli.Context) {
if err := daemon(context); err != nil {
logrus.Fatal(err)
}
}
if err := app.Run(os.Args); err != nil {
logrus.Fatal(err)
}
}