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|
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",
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
}
|
