diff options
Diffstat (limited to 'cmd/podman/system/info.go')
-rw-r--r-- | cmd/podman/system/info.go | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/cmd/podman/system/info.go b/cmd/podman/system/info.go new file mode 100644 index 000000000..aa0a66ffc --- /dev/null +++ b/cmd/podman/system/info.go @@ -0,0 +1,73 @@ +package system + +import ( + "encoding/json" + "fmt" + "os" + "text/template" + + "github.com/containers/libpod/cmd/podman/registry" + "github.com/containers/libpod/pkg/domain/entities" + "github.com/spf13/cobra" + "gopkg.in/yaml.v2" +) + +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", + Args: cobra.NoArgs, + Long: infoDescription, + Short: "Display podman system information", + RunE: info, + Example: `podman info`, + } +) + +var ( + inFormat string + debug bool +) + +func init() { + registry.Commands = append(registry.Commands, registry.CliCommand{ + Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode}, + Command: infoCommand, + }) + flags := infoCommand.Flags() + 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 + } + + if inFormat == "json" { + b, err := json.MarshalIndent(info, "", " ") + if err != nil { + return err + } + fmt.Println(string(b)) + return nil + } + if !cmd.Flag("format").Changed { + b, err := yaml.Marshal(info) + if err != nil { + return err + } + fmt.Println(string(b)) + return nil + } + tmpl, err := template.New("info").Parse(inFormat) + if err != nil { + return err + } + err = tmpl.Execute(os.Stdout, info) + return err +} |