diff options
Diffstat (limited to 'cmd/podmanV2/system/version.go')
-rw-r--r-- | cmd/podmanV2/system/version.go | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/cmd/podmanV2/system/version.go b/cmd/podmanV2/system/version.go new file mode 100644 index 000000000..e8002056b --- /dev/null +++ b/cmd/podmanV2/system/version.go @@ -0,0 +1,119 @@ +package system + +import ( + "fmt" + "io" + "os" + "strings" + "text/tabwriter" + "time" + + "github.com/containers/buildah/pkg/formats" + "github.com/containers/libpod/cmd/podmanV2/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, + PersistentPreRunE: preRunE, + } + format 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(&format, "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 := format + 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) +} |