mirror of
https://github.com/zrepl/zrepl.git
synced 2024-11-22 08:23:50 +01:00
98 lines
2.6 KiB
Go
98 lines
2.6 KiB
Go
package status
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import (
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"context"
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"os"
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"time"
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"github.com/mattn/go-isatty"
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"github.com/pkg/errors"
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"github.com/spf13/pflag"
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"github.com/zrepl/zrepl/cli"
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"github.com/zrepl/zrepl/client/status/client"
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"github.com/zrepl/zrepl/config"
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"github.com/zrepl/zrepl/daemon"
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"github.com/zrepl/zrepl/util/choices"
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)
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type Client interface {
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Status() (daemon.Status, error)
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StatusRaw() ([]byte, error)
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SignalWakeup(job string) error
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SignalReset(job string) error
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}
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type statusFlags struct {
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Mode choices.Choices
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Job string
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Delay time.Duration
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}
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var statusv2Flags statusFlags
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type statusv2Mode int
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const (
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StatusV2ModeInteractive statusv2Mode = 1 + iota
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StatusV2ModeDump
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StatusV2ModeRaw
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StatusV2ModeLegacy
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)
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var Subcommand = &cli.Subcommand{
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Use: "status",
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Short: "retrieve & display daemon status information",
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SetupFlags: func(f *pflag.FlagSet) {
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statusv2Flags.Mode.Init(
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"interactive", StatusV2ModeInteractive,
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"dump", StatusV2ModeDump,
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"raw", StatusV2ModeRaw,
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"legacy", StatusV2ModeLegacy,
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)
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statusv2Flags.Mode.SetTypeString("mode")
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statusv2Flags.Mode.SetDefaultValue(StatusV2ModeInteractive)
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f.Var(&statusv2Flags.Mode, "mode", statusv2Flags.Mode.Usage())
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f.StringVar(&statusv2Flags.Job, "job", "", "only show specified job (works in \"dump\" and \"interactive\" mode)")
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f.DurationVarP(&statusv2Flags.Delay, "delay", "d", 1*time.Second, "use -d 3s for 3 seconds delay (minimum delay is 1s)")
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},
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Run: func(ctx context.Context, subcommand *cli.Subcommand, args []string) error {
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return runStatusV2Command(ctx, subcommand.Config(), args)
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},
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}
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func runStatusV2Command(ctx context.Context, config *config.Config, args []string) error {
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c, err := client.New("unix", config.Global.Control.SockPath)
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if err != nil {
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return errors.Wrapf(err, "connect to daemon socket at %q", config.Global.Control.SockPath)
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}
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mode := statusv2Flags.Mode.Value().(statusv2Mode)
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if !isatty.IsTerminal(os.Stdout.Fd()) && mode != StatusV2ModeDump && mode != StatusV2ModeRaw {
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dumpmode, err := statusv2Flags.Mode.InputForChoice(StatusV2ModeDump)
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if err != nil {
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panic(err)
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}
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rawmode, err := statusv2Flags.Mode.InputForChoice(StatusV2ModeRaw)
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if err != nil {
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panic(err)
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}
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return errors.Errorf("error: stdout is not a tty, please use --mode %s or --mode %s", dumpmode, rawmode)
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}
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switch mode {
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case StatusV2ModeInteractive:
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return interactive(c, statusv2Flags)
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case StatusV2ModeDump:
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return dump(c, statusv2Flags.Job)
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case StatusV2ModeRaw:
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return raw(c)
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case StatusV2ModeLegacy:
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return legacy(c, statusv2Flags)
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default:
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panic("unreachable")
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}
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}
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