package system import ( "fmt" "io" "os" "strings" "text/tabwriter" "time" "github.com/containers/buildah/pkg/formats" "github.com/containers/libpod/cmd/podman/registry" "github.com/containers/libpod/libpod/define" "github.com/containers/libpod/pkg/domain/entities" "github.com/pkg/errors" "github.com/spf13/cobra" ) var ( versionCommand = &cobra.Command{ Use: "version", Args: cobra.NoArgs, Short: "Display the Podman Version Information", RunE: version, Annotations: map[string]string{ registry.ParentNSRequired: "", }, } versionFormat string ) type versionStruct struct { Client define.Version Server define.Version } func init() { registry.Commands = append(registry.Commands, registry.CliCommand{ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode}, Command: versionCommand, }) flags := versionCommand.Flags() flags.StringVarP(&versionFormat, "format", "f", "", "Change the output format to JSON or a Go template") } func version(cmd *cobra.Command, args []string) error { var ( v versionStruct err error ) v.Client, err = define.GetVersion() if err != nil { return errors.Wrapf(err, "unable to determine version") } // TODO we need to discuss how to implement // this more. current endpoints dont have a // version endpoint. maybe we use info? //if remote { // v.Server, err = getRemoteVersion(c) // if err != nil { // return err // } //} else { v.Server = v.Client //} versionOutputFormat := versionFormat if versionOutputFormat != "" { if strings.Join(strings.Fields(versionOutputFormat), "") == "{{json.}}" { versionOutputFormat = formats.JSONString } var out formats.Writer switch versionOutputFormat { case formats.JSONString: out = formats.JSONStruct{Output: v} return out.Out() default: out = formats.StdoutTemplate{Output: v, Template: versionOutputFormat} err := out.Out() if err != nil { // On Failure, assume user is using older version of podman version --format and check client out = formats.StdoutTemplate{Output: v.Client, Template: versionOutputFormat} if err1 := out.Out(); err1 != nil { return err } } } return nil } w := tabwriter.NewWriter(os.Stdout, 0, 0, 2, ' ', 0) defer w.Flush() if registry.IsRemote() { if _, err := fmt.Fprintf(w, "Client:\n"); err != nil { return err } formatVersion(w, v.Client) if _, err := fmt.Fprintf(w, "\nServer:\n"); err != nil { return err } formatVersion(w, v.Server) } else { formatVersion(w, v.Client) } return nil } func formatVersion(writer io.Writer, version define.Version) { fmt.Fprintf(writer, "Version:\t%s\n", version.Version) fmt.Fprintf(writer, "RemoteAPI Version:\t%d\n", version.RemoteAPIVersion) fmt.Fprintf(writer, "Go Version:\t%s\n", version.GoVersion) if version.GitCommit != "" { fmt.Fprintf(writer, "Git Commit:\t%s\n", version.GitCommit) } // Prints out the build time in readable format if version.Built != 0 { fmt.Fprintf(writer, "Built:\t%s\n", time.Unix(version.Built, 0).Format(time.ANSIC)) } fmt.Fprintf(writer, "OS/Arch:\t%s\n", version.OsArch) }