package main import ( "fmt" "log/syslog" "os" "path" "github.com/containers/libpod/cmd/podmanV2/registry" "github.com/containers/libpod/libpod/define" "github.com/containers/libpod/pkg/domain/entities" "github.com/containers/libpod/version" "github.com/sirupsen/logrus" logrusSyslog "github.com/sirupsen/logrus/hooks/syslog" "github.com/spf13/cobra" ) var ( rootCmd = &cobra.Command{ Use: path.Base(os.Args[0]), Long: "Manage pods, containers and images", SilenceUsage: true, SilenceErrors: true, TraverseChildren: true, PersistentPreRunE: preRunE, RunE: registry.SubCommandExists, Version: version.Version, } logLevels = entities.NewStringSet("debug", "info", "warn", "error", "fatal", "panic") logLevel = "error" useSyslog bool ) func init() { // Override default --help information of `--version` global flag} var dummyVersion bool // TODO had to disable shorthand -v for version due to -v rm with volume rootCmd.PersistentFlags().BoolVar(&dummyVersion, "version", false, "Version of Podman") rootCmd.PersistentFlags().StringVarP(®istry.EngineOptions.Uri, "remote", "r", "", "URL to access Podman service") rootCmd.PersistentFlags().StringSliceVar(®istry.EngineOptions.Identities, "identity", []string{}, "path to SSH identity file") rootCmd.PersistentFlags().StringVar(&logLevel, "log-level", "error", fmt.Sprintf("Log messages above specified level (%s)", logLevels.String())) rootCmd.PersistentFlags().BoolVar(&useSyslog, "syslog", false, "Output logging information to syslog as well as the console (default false)") cobra.OnInitialize( logging, syslogHook, ) } func preRunE(cmd *cobra.Command, args []string) error { cmd.SetHelpTemplate(registry.HelpTemplate()) cmd.SetUsageTemplate(registry.UsageTemplate()) return nil } func logging() { if !logLevels.Contains(logLevel) { fmt.Fprintf(os.Stderr, "Log Level \"%s\" is not supported, choose from: %s\n", logLevel, logLevels.String()) os.Exit(1) } level, err := logrus.ParseLevel(logLevel) if err != nil { fmt.Fprintf(os.Stderr, err.Error()) os.Exit(1) } logrus.SetLevel(level) if logrus.IsLevelEnabled(logrus.InfoLevel) { logrus.Infof("%s filtering at log level %s", os.Args[0], logrus.GetLevel()) } } func syslogHook() { if useSyslog { hook, err := logrusSyslog.NewSyslogHook("", "", syslog.LOG_INFO, "") if err != nil { logrus.WithError(err).Error("Failed to initialize syslog hook") } if err == nil { logrus.AddHook(hook) } } } func Execute() { o := registry.NewOptions(rootCmd.Context(), ®istry.EngineOptions) if err := rootCmd.ExecuteContext(o); err != nil { fmt.Fprintln(os.Stderr, "Error:", err.Error()) } else if registry.GetExitCode() == define.ExecErrorCodeGeneric { // The exitCode modified from define.ExecErrorCodeGeneric, // indicates an application // running inside of a container failed, as opposed to the // podman command failed. Must exit with that exit code // otherwise command exited correctly. registry.SetExitCode(0) } os.Exit(registry.GetExitCode()) }