mirror of https://github.com/containers/podman.git
97 lines
2.6 KiB
Go
97 lines
2.6 KiB
Go
package system
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import (
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"fmt"
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"io"
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"os"
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"strings"
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"text/tabwriter"
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"github.com/containers/buildah/pkg/formats"
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"github.com/containers/libpod/v2/cmd/podman/parse"
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"github.com/containers/libpod/v2/cmd/podman/registry"
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"github.com/containers/libpod/v2/cmd/podman/validate"
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"github.com/containers/libpod/v2/libpod/define"
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"github.com/containers/libpod/v2/pkg/domain/entities"
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"github.com/spf13/cobra"
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)
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var (
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versionCommand = &cobra.Command{
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Use: "version",
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Args: validate.NoArgs,
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Short: "Display the Podman Version Information",
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RunE: version,
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}
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versionFormat string
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)
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func init() {
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registry.Commands = append(registry.Commands, registry.CliCommand{
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Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
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Command: versionCommand,
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})
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flags := versionCommand.Flags()
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flags.StringVarP(&versionFormat, "format", "f", "", "Change the output format to JSON or a Go template")
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}
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func version(cmd *cobra.Command, args []string) error {
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versions, err := registry.ContainerEngine().Version(registry.Context())
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if err != nil {
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return err
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}
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switch {
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case parse.MatchesJSONFormat(versionFormat):
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s, err := json.MarshalToString(versions)
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if err != nil {
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return err
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}
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_, err = io.WriteString(os.Stdout, s)
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return err
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case cmd.Flag("format").Changed:
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if !strings.HasSuffix(versionFormat, "\n") {
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versionFormat += "\n"
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}
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out := formats.StdoutTemplate{Output: versions, Template: versionFormat}
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err := out.Out()
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if err != nil {
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// On Failure, assume user is using older version of podman version --format and check client
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versionFormat = strings.Replace(versionFormat, ".Server.", ".", 1)
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out = formats.StdoutTemplate{Output: versions.Client, Template: versionFormat}
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if err1 := out.Out(); err1 != nil {
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return err
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}
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}
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return nil
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}
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w := tabwriter.NewWriter(os.Stdout, 0, 0, 2, ' ', 0)
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defer w.Flush()
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if versions.Server != nil {
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if _, err := fmt.Fprintf(w, "Client:\n"); err != nil {
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return err
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}
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formatVersion(w, versions.Client)
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if _, err := fmt.Fprintf(w, "\nServer:\n"); err != nil {
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return err
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}
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formatVersion(w, versions.Server)
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} else {
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formatVersion(w, versions.Client)
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}
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return nil
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}
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func formatVersion(writer io.Writer, version *define.Version) {
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fmt.Fprintf(writer, "Version:\t%s\n", version.Version)
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fmt.Fprintf(writer, "API Version:\t%d\n", version.APIVersion)
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fmt.Fprintf(writer, "Go Version:\t%s\n", version.GoVersion)
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if version.GitCommit != "" {
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fmt.Fprintf(writer, "Git Commit:\t%s\n", version.GitCommit)
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}
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fmt.Fprintf(writer, "Built:\t%s\n", version.BuiltTime)
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fmt.Fprintf(writer, "OS/Arch:\t%s\n", version.OsArch)
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}
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