Golang libcontainerd.WithLiveRestore函数代码示例

func (cli *DaemonCli) getPlatformRemoteOptions() []libcontainerd.RemoteOption {
	opts := []libcontainerd.RemoteOption{
		libcontainerd.WithDebugLog(cli.Config.Debug),
	}
	if cli.Config.ContainerdAddr != "" {
		opts = append(opts, libcontainerd.WithRemoteAddr(cli.Config.ContainerdAddr))
	} else {
		opts = append(opts, libcontainerd.WithStartDaemon(true))
	}
	if daemon.UsingSystemd(cli.Config) {
		args := []string{"--systemd-cgroup=true"}
		opts = append(opts, libcontainerd.WithRuntimeArgs(args))
	}
	if cli.Config.LiveRestore {
		opts = append(opts, libcontainerd.WithLiveRestore(true))
	}
	opts = append(opts, libcontainerd.WithRuntimePath(daemon.DefaultRuntimeBinary))
	return opts
}

// Reload reads configuration changes and modifies the
// daemon according to those changes.
// These are the settings that Reload changes:
// - Daemon labels.
// - Daemon debug log level.
// - Daemon max concurrent downloads
// - Daemon max concurrent uploads
// - Cluster discovery (reconfigure and restart).
// - Daemon live restore
func (daemon *Daemon) Reload(config *Config) error {
	var err error
	// used to hold reloaded changes
	attributes := map[string]string{}

	// We need defer here to ensure the lock is released as
	// daemon.SystemInfo() will try to get it too
	defer func() {
		if err == nil {
			daemon.LogDaemonEventWithAttributes("reload", attributes)
		}
	}()

	daemon.configStore.reloadLock.Lock()
	defer daemon.configStore.reloadLock.Unlock()

	daemon.platformReload(config, &attributes)

	if err = daemon.reloadClusterDiscovery(config); err != nil {
		return err
	}

	if config.IsValueSet("labels") {
		daemon.configStore.Labels = config.Labels
	}
	if config.IsValueSet("debug") {
		daemon.configStore.Debug = config.Debug
	}
	if config.IsValueSet("live-restore") {
		daemon.configStore.LiveRestoreEnabled = config.LiveRestoreEnabled
		if err := daemon.containerdRemote.UpdateOptions(libcontainerd.WithLiveRestore(config.LiveRestoreEnabled)); err != nil {
			return err
		}

	}

	// If no value is set for max-concurrent-downloads we assume it is the default value
	// We always "reset" as the cost is lightweight and easy to maintain.
	if config.IsValueSet("max-concurrent-downloads") && config.MaxConcurrentDownloads != nil {
		*daemon.configStore.MaxConcurrentDownloads = *config.MaxConcurrentDownloads
	} else {
		maxConcurrentDownloads := defaultMaxConcurrentDownloads
		daemon.configStore.MaxConcurrentDownloads = &maxConcurrentDownloads
	}
	logrus.Debugf("Reset Max Concurrent Downloads: %d", *daemon.configStore.MaxConcurrentDownloads)
	if daemon.downloadManager != nil {
		daemon.downloadManager.SetConcurrency(*daemon.configStore.MaxConcurrentDownloads)
	}

	// If no value is set for max-concurrent-upload we assume it is the default value
	// We always "reset" as the cost is lightweight and easy to maintain.
	if config.IsValueSet("max-concurrent-uploads") && config.MaxConcurrentUploads != nil {
		*daemon.configStore.MaxConcurrentUploads = *config.MaxConcurrentUploads
	} else {
		maxConcurrentUploads := defaultMaxConcurrentUploads
		daemon.configStore.MaxConcurrentUploads = &maxConcurrentUploads
	}
	logrus.Debugf("Reset Max Concurrent Uploads: %d", *daemon.configStore.MaxConcurrentUploads)
	if daemon.uploadManager != nil {
		daemon.uploadManager.SetConcurrency(*daemon.configStore.MaxConcurrentUploads)
	}

	// We emit daemon reload event here with updatable configurations
	attributes["debug"] = fmt.Sprintf("%t", daemon.configStore.Debug)
	attributes["live-restore"] = fmt.Sprintf("%t", daemon.configStore.LiveRestoreEnabled)
	attributes["cluster-store"] = daemon.configStore.ClusterStore
	if daemon.configStore.ClusterOpts != nil {
		opts, _ := json.Marshal(daemon.configStore.ClusterOpts)
		attributes["cluster-store-opts"] = string(opts)
	} else {
		attributes["cluster-store-opts"] = "{}"
	}
	attributes["cluster-advertise"] = daemon.configStore.ClusterAdvertise
	if daemon.configStore.Labels != nil {
		labels, _ := json.Marshal(daemon.configStore.Labels)
		attributes["labels"] = string(labels)
	} else {
		attributes["labels"] = "[]"
	}
	attributes["max-concurrent-downloads"] = fmt.Sprintf("%d", *daemon.configStore.MaxConcurrentDownloads)
	attributes["max-concurrent-uploads"] = fmt.Sprintf("%d", *daemon.configStore.MaxConcurrentUploads)

	return nil
}

// Reload reads configuration changes and modifies the
// daemon according to those changes.
// These are the settings that Reload changes:
// - Daemon labels.
// - Daemon debug log level.
// - Daemon insecure registries.
// - Daemon max concurrent downloads
// - Daemon max concurrent uploads
// - Cluster discovery (reconfigure and restart).
// - Daemon live restore
// - Daemon shutdown timeout (in seconds).
func (daemon *Daemon) Reload(config *Config) (err error) {

	daemon.configStore.reloadLock.Lock()

	attributes := daemon.platformReload(config)

	defer func() {
		// we're unlocking here, because
		// LogDaemonEventWithAttributes() -> SystemInfo() -> GetAllRuntimes()
		// holds that lock too.
		daemon.configStore.reloadLock.Unlock()
		if err == nil {
			daemon.LogDaemonEventWithAttributes("reload", attributes)
		}
	}()

	if err := daemon.reloadClusterDiscovery(config); err != nil {
		return err
	}

	if config.IsValueSet("labels") {
		daemon.configStore.Labels = config.Labels
	}
	if config.IsValueSet("debug") {
		daemon.configStore.Debug = config.Debug
	}
	if config.IsValueSet("insecure-registries") {
		daemon.configStore.InsecureRegistries = config.InsecureRegistries
		if err := daemon.RegistryService.LoadInsecureRegistries(config.InsecureRegistries); err != nil {
			return err
		}
	}
	if config.IsValueSet("live-restore") {
		daemon.configStore.LiveRestoreEnabled = config.LiveRestoreEnabled
		if err := daemon.containerdRemote.UpdateOptions(libcontainerd.WithLiveRestore(config.LiveRestoreEnabled)); err != nil {
			return err
		}
	}

	// If no value is set for max-concurrent-downloads we assume it is the default value
	// We always "reset" as the cost is lightweight and easy to maintain.
	if config.IsValueSet("max-concurrent-downloads") && config.MaxConcurrentDownloads != nil {
		*daemon.configStore.MaxConcurrentDownloads = *config.MaxConcurrentDownloads
	} else {
		maxConcurrentDownloads := defaultMaxConcurrentDownloads
		daemon.configStore.MaxConcurrentDownloads = &maxConcurrentDownloads
	}
	logrus.Debugf("Reset Max Concurrent Downloads: %d", *daemon.configStore.MaxConcurrentDownloads)
	if daemon.downloadManager != nil {
		daemon.downloadManager.SetConcurrency(*daemon.configStore.MaxConcurrentDownloads)
	}

	// If no value is set for max-concurrent-upload we assume it is the default value
	// We always "reset" as the cost is lightweight and easy to maintain.
	if config.IsValueSet("max-concurrent-uploads") && config.MaxConcurrentUploads != nil {
		*daemon.configStore.MaxConcurrentUploads = *config.MaxConcurrentUploads
	} else {
		maxConcurrentUploads := defaultMaxConcurrentUploads
		daemon.configStore.MaxConcurrentUploads = &maxConcurrentUploads
	}
	logrus.Debugf("Reset Max Concurrent Uploads: %d", *daemon.configStore.MaxConcurrentUploads)
	if daemon.uploadManager != nil {
		daemon.uploadManager.SetConcurrency(*daemon.configStore.MaxConcurrentUploads)
	}

	if config.IsValueSet("shutdown-timeout") {
		daemon.configStore.ShutdownTimeout = config.ShutdownTimeout
		logrus.Debugf("Reset Shutdown Timeout: %d", daemon.configStore.ShutdownTimeout)
	}

	// We emit daemon reload event here with updatable configurations
	attributes["debug"] = fmt.Sprintf("%t", daemon.configStore.Debug)
	attributes["live-restore"] = fmt.Sprintf("%t", daemon.configStore.LiveRestoreEnabled)

	if daemon.configStore.InsecureRegistries != nil {
		insecureRegistries, err := json.Marshal(daemon.configStore.InsecureRegistries)
		if err != nil {
			return err
		}
		attributes["insecure-registries"] = string(insecureRegistries)
	} else {
		attributes["insecure-registries"] = "[]"
	}

	attributes["cluster-store"] = daemon.configStore.ClusterStore
	if daemon.configStore.ClusterOpts != nil {
		opts, err := json.Marshal(daemon.configStore.ClusterOpts)
		if err != nil {
			return err
//.........这里部分代码省略.........