package system import ( "fmt" "os" "strings" "text/template" "github.com/containers/common/pkg/completion" "github.com/containers/common/pkg/report" "github.com/containers/podman/v4/cmd/podman/common" "github.com/containers/podman/v4/cmd/podman/registry" "github.com/containers/podman/v4/cmd/podman/validate" "github.com/containers/podman/v4/pkg/domain/entities" "github.com/spf13/cobra" ) var ( versionCommand = &cobra.Command{ Use: "version [options]", Args: validate.NoArgs, Short: "Display the Podman version information", RunE: version, ValidArgsFunction: completion.AutocompleteNone, } versionFormat string ) func init() { registry.Commands = append(registry.Commands, registry.CliCommand{ Command: versionCommand, }) flags := versionCommand.Flags() formatFlagName := "format" flags.StringVarP(&versionFormat, formatFlagName, "f", "", "Change the output format to JSON or a Go template") _ = versionCommand.RegisterFlagCompletionFunc(formatFlagName, common.AutocompleteFormat(entities.SystemVersionReport{})) } func version(cmd *cobra.Command, args []string) error { versions, err := registry.ContainerEngine().Version(registry.Context()) if err != nil { return err } if report.IsJSON(versionFormat) { s, err := json.MarshalToString(versions) if err != nil { return err } fmt.Println(s) return nil } if cmd.Flag("format").Changed { // Cannot use report.New() as it enforces {{range .}} for OriginUser templates tmpl := template.New(cmd.Name()).Funcs(template.FuncMap(report.DefaultFuncs)) versionFormat = report.NormalizeFormat(versionFormat) tmpl, err := tmpl.Parse(versionFormat) if err != nil { return err } if err := tmpl.Execute(os.Stdout, versions); err != nil { // On Failure, assume user is using older version of podman version --format and check client versionFormat = strings.ReplaceAll(versionFormat, ".Server.", ".") tmpl, err := tmpl.Parse(versionFormat) if err != nil { return err } if err := tmpl.Execute(os.Stdout, versions.Client); err != nil { return err } } return nil } rpt := report.New(os.Stdout, cmd.Name()) defer rpt.Flush() rpt, err = rpt.Parse(report.OriginPodman, versionTemplate) if err != nil { return err } return rpt.Execute(versions) } const versionTemplate = `{{with .Client -}} Client:\tPodman Engine Version:\t{{.Version}} API Version:\t{{.APIVersion}} Go Version:\t{{.GoVersion}} {{if .GitCommit -}}Git Commit:\t{{.GitCommit}}\n{{end -}} Built:\t{{.BuiltTime}} OS/Arch:\t{{.OsArch}} {{- end}} {{- if .Server }}{{with .Server}} Server:\tPodman Engine Version:\t{{.Version}} API Version:\t{{.APIVersion}} Go Version:\t{{.GoVersion}} {{if .GitCommit -}}Git Commit:\t{{.GitCommit}}\n{{end -}} Built:\t{{.BuiltTime}} OS/Arch:\t{{.OsArch}} {{- end}}{{- end}} `