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package system
import (
"fmt"
"os"
"text/template"
"github.com/containers/libpod/cmd/podman/registry"
"github.com/containers/libpod/pkg/domain/entities"
"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",
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
}
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