package system import ( "fmt" "os" "text/template" "github.com/containers/podman/v2/cmd/podman/parse" "github.com/containers/podman/v2/cmd/podman/registry" "github.com/containers/podman/v2/cmd/podman/validate" "github.com/containers/podman/v2/pkg/domain/entities" "github.com/ghodss/yaml" "github.com/spf13/cobra" "github.com/spf13/pflag" ) 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, Example: `podman info`, } systemInfoCommand = &cobra.Command{ Args: infoCommand.Args, Use: infoCommand.Use, Short: infoCommand.Short, Long: infoCommand.Long, RunE: infoCommand.RunE, Example: `podman system info`, } ) var ( inFormat string debug bool ) func init() { registry.Commands = append(registry.Commands, registry.CliCommand{ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode}, Command: infoCommand, }) infoFlags(infoCommand.Flags()) registry.Commands = append(registry.Commands, registry.CliCommand{ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode}, Command: systemInfoCommand, Parent: systemCmd, }) infoFlags(systemInfoCommand.Flags()) } func infoFlags(flags *pflag.FlagSet) { flags.BoolVarP(&debug, "debug", "D", false, "Display additional debug information") flags.StringVarP(&inFormat, "format", "f", "", "Change the output format to JSON or a Go template") } func info(cmd *cobra.Command, args []string) error { info, err := registry.ContainerEngine().Info(registry.GetContext()) if err != nil { return err } switch { case parse.MatchesJSONFormat(inFormat): b, err := json.MarshalIndent(info, "", " ") if err != nil { return err } fmt.Println(string(b)) case cmd.Flags().Changed("format"): tmpl, err := template.New("info").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 }