package system import ( "fmt" "os" "text/template" "github.com/containers/common/pkg/completion" "github.com/containers/common/pkg/report" "github.com/containers/podman/v4/cmd/podman/common" "github.com/containers/podman/v4/cmd/podman/registry" "github.com/containers/podman/v4/cmd/podman/validate" "github.com/containers/podman/v4/libpod/define" "github.com/ghodss/yaml" "github.com/spf13/cobra" ) var ( infoDescription = `Display information pertaining to the host, current storage stats, and build of podman. Useful for the user and when reporting issues. ` infoCommand = &cobra.Command{ Use: "info [options]", Args: validate.NoArgs, Long: infoDescription, Short: "Display podman system information", RunE: info, ValidArgsFunction: completion.AutocompleteNone, Example: `podman info`, } systemInfoCommand = &cobra.Command{ Args: infoCommand.Args, Use: infoCommand.Use, Short: infoCommand.Short, Long: infoCommand.Long, RunE: infoCommand.RunE, ValidArgsFunction: infoCommand.ValidArgsFunction, Example: `podman system info`, } ) var ( inFormat string debug bool ) func init() { registry.Commands = append(registry.Commands, registry.CliCommand{ Command: infoCommand, }) infoFlags(infoCommand) registry.Commands = append(registry.Commands, registry.CliCommand{ Command: systemInfoCommand, Parent: systemCmd, }) infoFlags(systemInfoCommand) } func infoFlags(cmd *cobra.Command) { flags := cmd.Flags() flags.BoolVarP(&debug, "debug", "D", false, "Display additional debug information") _ = flags.MarkHidden("debug") // It's a NOP since Podman version 2.0 formatFlagName := "format" flags.StringVarP(&inFormat, formatFlagName, "f", "", "Change the output format to JSON or a Go template") _ = cmd.RegisterFlagCompletionFunc(formatFlagName, common.AutocompleteFormat(&define.Info{})) } func info(cmd *cobra.Command, args []string) error { info, err := registry.ContainerEngine().Info(registry.GetContext()) if err != nil { return err } info.Host.ServiceIsRemote = registry.IsRemote() switch { case report.IsJSON(inFormat): b, err := json.MarshalIndent(info, "", " ") if err != nil { return err } fmt.Println(string(b)) case cmd.Flags().Changed("format"): // Cannot use report.New() as it enforces {{range .}} for OriginUser templates tmpl := template.New(cmd.Name()).Funcs(template.FuncMap(report.DefaultFuncs)) inFormat = report.NormalizeFormat(inFormat) tmpl, err := tmpl.Parse(inFormat) if err != nil { return err } return tmpl.Execute(os.Stdout, info) default: b, err := yaml.Marshal(info) if err != nil { return err } fmt.Println(string(b)) } return nil }