Пример #1
0
func runUpdate(dockerCli *command.DockerCli, flags *pflag.FlagSet, serviceID string) error {
	apiClient := dockerCli.Client()
	ctx := context.Background()
	updateOpts := types.ServiceUpdateOptions{}

	service, _, err := apiClient.ServiceInspectWithRaw(ctx, serviceID)
	if err != nil {
		return err
	}

	rollback, err := flags.GetBool("rollback")
	if err != nil {
		return err
	}

	spec := &service.Spec
	if rollback {
		spec = service.PreviousSpec
		if spec == nil {
			return fmt.Errorf("service does not have a previous specification to roll back to")
		}
	}

	err = updateService(flags, spec)
	if err != nil {
		return err
	}

	// only send auth if flag was set
	sendAuth, err := flags.GetBool(flagRegistryAuth)
	if err != nil {
		return err
	}
	if sendAuth {
		// Retrieve encoded auth token from the image reference
		// This would be the old image if it didn't change in this update
		image := spec.TaskTemplate.ContainerSpec.Image
		encodedAuth, err := command.RetrieveAuthTokenFromImage(ctx, dockerCli, image)
		if err != nil {
			return err
		}
		updateOpts.EncodedRegistryAuth = encodedAuth
	} else if rollback {
		updateOpts.RegistryAuthFrom = types.RegistryAuthFromPreviousSpec
	} else {
		updateOpts.RegistryAuthFrom = types.RegistryAuthFromSpec
	}

	err = apiClient.ServiceUpdate(ctx, service.ID, service.Version, *spec, updateOpts)
	if err != nil {
		return err
	}

	fmt.Fprintf(dockerCli.Out(), "%s\n", serviceID)
	return nil
}
Пример #2
0
func updateHealthcheck(flags *pflag.FlagSet, containerSpec *swarm.ContainerSpec) error {
	if !anyChanged(flags, flagNoHealthcheck, flagHealthCmd, flagHealthInterval, flagHealthRetries, flagHealthTimeout) {
		return nil
	}
	if containerSpec.Healthcheck == nil {
		containerSpec.Healthcheck = &container.HealthConfig{}
	}
	noHealthcheck, err := flags.GetBool(flagNoHealthcheck)
	if err != nil {
		return err
	}
	if noHealthcheck {
		if !anyChanged(flags, flagHealthCmd, flagHealthInterval, flagHealthRetries, flagHealthTimeout) {
			containerSpec.Healthcheck = &container.HealthConfig{
				Test: []string{"NONE"},
			}
			return nil
		}
		return fmt.Errorf("--%s conflicts with --health-* options", flagNoHealthcheck)
	}
	if len(containerSpec.Healthcheck.Test) > 0 && containerSpec.Healthcheck.Test[0] == "NONE" {
		containerSpec.Healthcheck.Test = nil
	}
	if flags.Changed(flagHealthInterval) {
		val := *flags.Lookup(flagHealthInterval).Value.(*PositiveDurationOpt).Value()
		containerSpec.Healthcheck.Interval = val
	}
	if flags.Changed(flagHealthTimeout) {
		val := *flags.Lookup(flagHealthTimeout).Value.(*PositiveDurationOpt).Value()
		containerSpec.Healthcheck.Timeout = val
	}
	if flags.Changed(flagHealthRetries) {
		containerSpec.Healthcheck.Retries, _ = flags.GetInt(flagHealthRetries)
	}
	if flags.Changed(flagHealthCmd) {
		cmd, _ := flags.GetString(flagHealthCmd)
		if cmd != "" {
			containerSpec.Healthcheck.Test = []string{"CMD-SHELL", cmd}
		} else {
			containerSpec.Healthcheck.Test = nil
		}
	}
	return nil
}
Пример #3
0
func runUpdate(dockerCli *command.DockerCli, flags *pflag.FlagSet, serviceID string) error {
	apiClient := dockerCli.Client()
	ctx := context.Background()
	updateOpts := types.ServiceUpdateOptions{}

	service, _, err := apiClient.ServiceInspectWithRaw(ctx, serviceID)
	if err != nil {
		return err
	}

	err = updateService(flags, &service.Spec)
	if err != nil {
		return err
	}

	// only send auth if flag was set
	sendAuth, err := flags.GetBool(flagRegistryAuth)
	if err != nil {
		return err
	}
	if sendAuth {
		// Retrieve encoded auth token from the image reference
		// This would be the old image if it didn't change in this update
		image := service.Spec.TaskTemplate.ContainerSpec.Image
		encodedAuth, err := dockerCli.RetrieveAuthTokenFromImage(ctx, image)
		if err != nil {
			return err
		}
		updateOpts.EncodedRegistryAuth = encodedAuth
	}

	err = apiClient.ServiceUpdate(ctx, service.ID, service.Version, service.Spec, updateOpts)
	if err != nil {
		return err
	}

	fmt.Fprintf(dockerCli.Out(), "%s\n", serviceID)
	return nil
}
Пример #4
0
func updateService(flags *pflag.FlagSet, spec *swarm.ServiceSpec) error {
	updateString := func(flag string, field *string) {
		if flags.Changed(flag) {
			*field, _ = flags.GetString(flag)
		}
	}

	updateInt64Value := func(flag string, field *int64) {
		if flags.Changed(flag) {
			*field = flags.Lookup(flag).Value.(int64Value).Value()
		}
	}

	updateFloatValue := func(flag string, field *float32) {
		if flags.Changed(flag) {
			*field = flags.Lookup(flag).Value.(*floatValue).Value()
		}
	}

	updateDuration := func(flag string, field *time.Duration) {
		if flags.Changed(flag) {
			*field, _ = flags.GetDuration(flag)
		}
	}

	updateDurationOpt := func(flag string, field **time.Duration) {
		if flags.Changed(flag) {
			val := *flags.Lookup(flag).Value.(*DurationOpt).Value()
			*field = &val
		}
	}

	updateUint64 := func(flag string, field *uint64) {
		if flags.Changed(flag) {
			*field, _ = flags.GetUint64(flag)
		}
	}

	updateUint64Opt := func(flag string, field **uint64) {
		if flags.Changed(flag) {
			val := *flags.Lookup(flag).Value.(*Uint64Opt).Value()
			*field = &val
		}
	}

	cspec := &spec.TaskTemplate.ContainerSpec
	task := &spec.TaskTemplate

	taskResources := func() *swarm.ResourceRequirements {
		if task.Resources == nil {
			task.Resources = &swarm.ResourceRequirements{}
		}
		return task.Resources
	}

	updateLabels(flags, &spec.Labels)
	updateContainerLabels(flags, &cspec.Labels)
	updateString("image", &cspec.Image)
	updateStringToSlice(flags, "args", &cspec.Args)
	updateEnvironment(flags, &cspec.Env)
	updateString(flagWorkdir, &cspec.Dir)
	updateString(flagUser, &cspec.User)
	if err := updateMounts(flags, &cspec.Mounts); err != nil {
		return err
	}

	if flags.Changed(flagLimitCPU) || flags.Changed(flagLimitMemory) {
		taskResources().Limits = &swarm.Resources{}
		updateInt64Value(flagLimitCPU, &task.Resources.Limits.NanoCPUs)
		updateInt64Value(flagLimitMemory, &task.Resources.Limits.MemoryBytes)
	}
	if flags.Changed(flagReserveCPU) || flags.Changed(flagReserveMemory) {
		taskResources().Reservations = &swarm.Resources{}
		updateInt64Value(flagReserveCPU, &task.Resources.Reservations.NanoCPUs)
		updateInt64Value(flagReserveMemory, &task.Resources.Reservations.MemoryBytes)
	}

	updateDurationOpt(flagStopGracePeriod, &cspec.StopGracePeriod)

	if anyChanged(flags, flagRestartCondition, flagRestartDelay, flagRestartMaxAttempts, flagRestartWindow) {
		if task.RestartPolicy == nil {
			task.RestartPolicy = &swarm.RestartPolicy{}
		}

		if flags.Changed(flagRestartCondition) {
			value, _ := flags.GetString(flagRestartCondition)
			task.RestartPolicy.Condition = swarm.RestartPolicyCondition(value)
		}
		updateDurationOpt(flagRestartDelay, &task.RestartPolicy.Delay)
		updateUint64Opt(flagRestartMaxAttempts, &task.RestartPolicy.MaxAttempts)
		updateDurationOpt(flagRestartWindow, &task.RestartPolicy.Window)
	}

	if anyChanged(flags, flagConstraintAdd, flagConstraintRemove) {
		if task.Placement == nil {
			task.Placement = &swarm.Placement{}
		}
		updatePlacement(flags, task.Placement)
	}

	if err := updateReplicas(flags, &spec.Mode); err != nil {
		return err
	}

	if anyChanged(flags, flagUpdateParallelism, flagUpdateDelay, flagUpdateMonitor, flagUpdateFailureAction, flagUpdateMaxFailureRatio) {
		if spec.UpdateConfig == nil {
			spec.UpdateConfig = &swarm.UpdateConfig{}
		}
		updateUint64(flagUpdateParallelism, &spec.UpdateConfig.Parallelism)
		updateDuration(flagUpdateDelay, &spec.UpdateConfig.Delay)
		updateDuration(flagUpdateMonitor, &spec.UpdateConfig.Monitor)
		updateString(flagUpdateFailureAction, &spec.UpdateConfig.FailureAction)
		updateFloatValue(flagUpdateMaxFailureRatio, &spec.UpdateConfig.MaxFailureRatio)
	}

	if flags.Changed(flagEndpointMode) {
		value, _ := flags.GetString(flagEndpointMode)
		if spec.EndpointSpec == nil {
			spec.EndpointSpec = &swarm.EndpointSpec{}
		}
		spec.EndpointSpec.Mode = swarm.ResolutionMode(value)
	}

	if anyChanged(flags, flagGroupAdd, flagGroupRemove) {
		if err := updateGroups(flags, &cspec.Groups); err != nil {
			return err
		}
	}

	if anyChanged(flags, flagPublishAdd, flagPublishRemove) {
		if spec.EndpointSpec == nil {
			spec.EndpointSpec = &swarm.EndpointSpec{}
		}
		if err := updatePorts(flags, &spec.EndpointSpec.Ports); err != nil {
			return err
		}
	}

	if anyChanged(flags, flagDNSAdd, flagDNSRemove, flagDNSOptionAdd, flagDNSOptionRemove, flagDNSSearchAdd, flagDNSSearchRemove) {
		if cspec.DNSConfig == nil {
			cspec.DNSConfig = &swarm.DNSConfig{}
		}
		if err := updateDNSConfig(flags, &cspec.DNSConfig); err != nil {
			return err
		}
	}

	if anyChanged(flags, flagHostAdd, flagHostRemove) {
		if err := updateHosts(flags, &cspec.Hosts); err != nil {
			return err
		}
	}

	if err := updateLogDriver(flags, &spec.TaskTemplate); err != nil {
		return err
	}

	force, err := flags.GetBool("force")
	if err != nil {
		return err
	}

	if force {
		spec.TaskTemplate.ForceUpdate++
	}

	if err := updateHealthcheck(flags, cspec); err != nil {
		return err
	}

	if flags.Changed(flagTTY) {
		tty, err := flags.GetBool(flagTTY)
		if err != nil {
			return err
		}
		cspec.TTY = tty
	}

	return nil
}
Пример #5
0
func parseContainer(flags *pflag.FlagSet, spec *api.ServiceSpec) error {
	if flags.Changed("image") {
		image, err := flags.GetString("image")
		if err != nil {
			return err
		}
		spec.Task.GetContainer().Image = image
	}

	if flags.Changed("hostname") {
		hostname, err := flags.GetString("hostname")
		if err != nil {
			return err
		}
		spec.Task.GetContainer().Hostname = hostname
	}

	if flags.Changed("command") {
		command, err := flags.GetStringSlice("command")
		if err != nil {
			return err
		}
		spec.Task.GetContainer().Command = command
	}

	if flags.Changed("args") {
		args, err := flags.GetStringSlice("args")
		if err != nil {
			return err
		}
		spec.Task.GetContainer().Args = args
	}

	if flags.Changed("env") {
		env, err := flags.GetStringSlice("env")
		if err != nil {
			return err
		}
		spec.Task.GetContainer().Env = env
	}

	if flags.Changed("tty") {
		tty, err := flags.GetBool("tty")
		if err != nil {
			return err
		}

		spec.Task.GetContainer().TTY = tty
	}

	if flags.Changed("open-stdin") {
		openStdin, err := flags.GetBool("open-stdin")
		if err != nil {
			return err
		}

		spec.Task.GetContainer().OpenStdin = openStdin
	}

	return nil
}