diff options
Diffstat (limited to 'cmd')
-rw-r--r-- | cmd/podman/version.go | 66 |
1 files changed, 45 insertions, 21 deletions
diff --git a/cmd/podman/version.go b/cmd/podman/version.go index 314b2e266..5907241ff 100644 --- a/cmd/podman/version.go +++ b/cmd/podman/version.go @@ -37,13 +37,40 @@ func init() { flags := versionCommand.Flags() flags.StringVarP(&versionCommand.Format, "format", "f", "", "Change the output format to JSON or a Go template") } +func getRemoteVersion(c *cliconfig.VersionValues) (version define.Version, err error) { + runtime, err := adapter.GetRuntime(getContext(), &c.PodmanCommand) + if err != nil { + return version, errors.Wrapf(err, "could not get runtime") + } + defer runtime.DeferredShutdown(false) + + return runtime.GetVersion() +} + +type versionStruct struct { + Client define.Version + Server define.Version +} // versionCmd gets and prints version info for version command func versionCmd(c *cliconfig.VersionValues) error { - clientVersion, err := define.GetVersion() + + var ( + v versionStruct + err error + ) + v.Client, err = define.GetVersion() if err != nil { return errors.Wrapf(err, "unable to determine version") } + if remote { + v.Server, err = getRemoteVersion(c) + if err != nil { + return err + } + } else { + v.Server = v.Client + } versionOutputFormat := c.Format if versionOutputFormat != "" { @@ -53,11 +80,20 @@ func versionCmd(c *cliconfig.VersionValues) error { var out formats.Writer switch versionOutputFormat { case formats.JSONString: - out = formats.JSONStruct{Output: clientVersion} + out = formats.JSONStruct{Output: v} + return out.Out() default: - out = formats.StdoutTemplate{Output: clientVersion, Template: versionOutputFormat} + 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 out.Out() + return nil } w := tabwriter.NewWriter(os.Stdout, 0, 0, 2, ' ', 0) defer w.Flush() @@ -66,25 +102,13 @@ func versionCmd(c *cliconfig.VersionValues) error { if _, err := fmt.Fprintf(w, "Client:\n"); err != nil { return err } - } - formatVersion(w, clientVersion) - - if remote { - if _, err := fmt.Fprintf(w, "\nService:\n"); err != nil { - return err - } - - runtime, err := adapter.GetRuntime(getContext(), &c.PodmanCommand) - if err != nil { - return errors.Wrapf(err, "could not get runtime") - } - defer runtime.DeferredShutdown(false) - - serviceVersion, err := runtime.GetVersion() - if err != nil { + formatVersion(w, v.Client) + if _, err := fmt.Fprintf(w, "\nServer:\n"); err != nil { return err } - formatVersion(w, serviceVersion) + formatVersion(w, v.Server) + } else { + formatVersion(w, v.Client) } return nil } |