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|
package system
import (
"fmt"
"os"
"text/template"
"github.com/containers/common/pkg/completion"
"github.com/containers/common/pkg/report"
"github.com/containers/podman/v2/cmd/podman/common"
"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"
)
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{
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: infoCommand,
})
infoFlags(infoCommand)
registry.Commands = append(registry.Commands, registry.CliCommand{
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: systemInfoCommand,
Parent: systemCmd,
})
infoFlags(systemInfoCommand)
}
func infoFlags(cmd *cobra.Command) {
flags := cmd.Flags()
flags.BoolVarP(&debug, "debug", "D", false, "Display additional debug information")
formatFlagName := "format"
flags.StringVarP(&inFormat, formatFlagName, "f", "", "Change the output format to JSON or a Go template")
_ = cmd.RegisterFlagCompletionFunc(formatFlagName, common.AutocompleteJSONFormat)
}
func info(cmd *cobra.Command, args []string) error {
info, err := registry.ContainerEngine().Info(registry.GetContext())
if err != nil {
return err
}
switch {
case report.IsJSON(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
}
|
