func()

in agent/plugins/dockercontainer/dockercontainer.go [123:306]
167 lines of code
42 McCabe index (conditional complexity)

func (p *Plugin) runCommands(pluginID string, pluginInput DockerContainerPluginInput, orchestrationDirectory string, cancelFlag task.CancelFlag, output iohandler.IOHandler) {
	log := p.context.Log()
	var err error

	// TODO:MF: This subdirectory is only needed because we could be running multiple sets of properties for the same plugin - otherwise the orchestration directory would already be unique
	orchestrationDir := fileutil.BuildSafePath(orchestrationDirectory, pluginInput.ID)
	log.Debugf("OrchestrationDir %v ", orchestrationDir)

	if err = validateInputs(pluginInput); err != nil {
		output.MarkAsFailed(fmt.Errorf("Validation error, %v", err))
		return
	}

	// create orchestration dir if needed
	if err = fileutil.MakeDirs(orchestrationDir); err != nil {
		log.Debug("failed to create orchestrationDir directory", orchestrationDir, err)
		output.MarkAsFailed(err)
		return
	}
	var commandName string = "docker"
	var commandArguments []string
	switch pluginInput.Action {
	case CREATE, RUN:
		if len(pluginInput.Image) == 0 {
			log.Errorf(ACTION_REQUIRES_PARAMETER, pluginInput.Action, "image")
			output.MarkAsFailed(fmt.Errorf(ACTION_REQUIRES_PARAMETER, pluginInput.Action, "image"))
			return
		}
		commandArguments = make([]string, 0)
		if pluginInput.Action == RUN {
			commandArguments = append(commandArguments, "run", "-d")
		} else {
			commandArguments = append(commandArguments, "create")
		}
		if len(pluginInput.Volume) > 0 && len(pluginInput.Volume[0]) > 0 {
			output.AppendInfo("pluginInput.Volume:" + strconv.Itoa(len(pluginInput.Volume)))

			log.Info("pluginInput.Volume", len(pluginInput.Volume))
			commandArguments = append(commandArguments, "--volume")
			for _, vol := range pluginInput.Volume {
				log.Info("pluginInput.Volume item", vol)
				commandArguments = append(commandArguments, vol)
			}
		}
		if len(pluginInput.Container) > 0 {
			commandArguments = append(commandArguments, "--name")
			commandArguments = append(commandArguments, pluginInput.Container)
		}
		if len(pluginInput.Memory) > 0 {
			commandArguments = append(commandArguments, "--memory")
			commandArguments = append(commandArguments, pluginInput.Memory)
		}
		if len(pluginInput.CpuShares) > 0 {
			commandArguments = append(commandArguments, "--cpu-shares")
			commandArguments = append(commandArguments, pluginInput.CpuShares)
		}
		if len(pluginInput.Publish) > 0 {
			commandArguments = append(commandArguments, "--publish")
			commandArguments = append(commandArguments, pluginInput.Publish)
		}
		if len(pluginInput.Env) > 0 {
			commandArguments = append(commandArguments, "--env")
			commandArguments = append(commandArguments, pluginInput.Env)
		}
		if len(pluginInput.User) > 0 {
			commandArguments = append(commandArguments, "--user")
			commandArguments = append(commandArguments, pluginInput.User)
		}
		commandArguments = append(commandArguments, pluginInput.Image)
		commandArguments = append(commandArguments, pluginInput.Cmd)

	case START:
		commandArguments = append(commandArguments, "start")
		if len(pluginInput.Container) == 0 {
			log.Errorf(ACTION_REQUIRES_PARAMETER, pluginInput.Action, "container")
			output.MarkAsFailed(fmt.Errorf(ACTION_REQUIRES_PARAMETER, pluginInput.Action, "container"))
			return
		}
		commandArguments = append(commandArguments, pluginInput.Container)

	case RM:
		commandArguments = append(commandArguments, "rm")
		if len(pluginInput.Container) == 0 {
			log.Errorf(ACTION_REQUIRES_PARAMETER, pluginInput.Action, "container")
			output.MarkAsFailed(fmt.Errorf(ACTION_REQUIRES_PARAMETER, pluginInput.Action, "container"))
			return
		}
		commandArguments = append(commandArguments, pluginInput.Container)

	case STOP:
		commandArguments = append(commandArguments, "stop")
		if len(pluginInput.Container) == 0 {
			log.Errorf(ACTION_REQUIRES_PARAMETER, pluginInput.Action, "container")
			output.MarkAsFailed(fmt.Errorf(ACTION_REQUIRES_PARAMETER, pluginInput.Action, "container"))
			return
		}
		commandArguments = append(commandArguments, pluginInput.Container)

	case EXEC:
		commandArguments = append(commandArguments, "exec")
		if len(pluginInput.Container) == 0 {
			log.Errorf(ACTION_REQUIRES_PARAMETER, pluginInput.Action, "container")
			output.MarkAsFailed(fmt.Errorf(ACTION_REQUIRES_PARAMETER, pluginInput.Action, "container"))
			return
		}
		if len(pluginInput.Cmd) == 0 {
			log.Errorf(ACTION_REQUIRES_PARAMETER, pluginInput.Action, "cmd")
			output.MarkAsFailed(fmt.Errorf(ACTION_REQUIRES_PARAMETER, pluginInput.Action, "cmd"))
			return
		}
		if len(pluginInput.User) > 0 {
			commandArguments = append(commandArguments, "--user")
			commandArguments = append(commandArguments, pluginInput.User)
		}
		commandArguments = append(commandArguments, pluginInput.Container)
		commandArguments = append(commandArguments, pluginInput.Cmd)
	case INSPECT:
		commandArguments = append(commandArguments, "inspect")
		if len(pluginInput.Container) == 0 && len(pluginInput.Image) == 0 {
			log.Errorf(ACTION_REQUIRES_PARAMETER, pluginInput.Action, "container or image")
			output.MarkAsFailed(fmt.Errorf(ACTION_REQUIRES_PARAMETER, pluginInput.Action, "container or image"))
			return
		}
		commandArguments = append(commandArguments, pluginInput.Container)
		commandArguments = append(commandArguments, pluginInput.Image)
	case STATS:
		commandArguments = append(commandArguments, "stats")
		commandArguments = append(commandArguments, "--no-stream")
		if len(pluginInput.Container) > 0 {
			commandArguments = append(commandArguments, pluginInput.Container)
		}
	case LOGS:
		commandArguments = append(commandArguments, "logs")
		if len(pluginInput.Container) == 0 {
			log.Errorf(ACTION_REQUIRES_PARAMETER, pluginInput.Action, "container")
			output.MarkAsFailed(fmt.Errorf(ACTION_REQUIRES_PARAMETER, pluginInput.Action, "container"))
			return
		}
		commandArguments = append(commandArguments, pluginInput.Container)
	case PULL:
		commandArguments = append(commandArguments, "pull")
		if len(pluginInput.Image) == 0 {
			log.Errorf(ACTION_REQUIRES_PARAMETER, pluginInput.Action, "image")
			output.MarkAsFailed(fmt.Errorf(ACTION_REQUIRES_PARAMETER, pluginInput.Action, "image"))
			return
		}
		commandArguments = append(commandArguments, pluginInput.Image)
	case IMAGES:
		commandArguments = append(commandArguments, "images")
	case RMI:
		commandArguments = append(commandArguments, "rmi")
		if len(pluginInput.Image) == 0 {
			log.Errorf(ACTION_REQUIRES_PARAMETER, pluginInput.Action, "image")
			output.MarkAsFailed(fmt.Errorf(ACTION_REQUIRES_PARAMETER, pluginInput.Action, "image"))
			return
		}
		commandArguments = append(commandArguments, pluginInput.Image)

	case PS:
		commandArguments = append(commandArguments, "ps", "--all")
	default:
		output.MarkAsFailed(fmt.Errorf("Docker Action is set to unsupported value: %v", pluginInput.Action))
		return
	}

	executionTimeout := pluginutil.ValidateExecutionTimeout(log, pluginInput.TimeoutSeconds)

	// Execute Command
	exitCode, err := p.CommandExecuter.NewExecute(p.context, pluginInput.WorkingDirectory, output.GetStdoutWriter(), output.GetStderrWriter(), cancelFlag, executionTimeout, commandName, commandArguments, make(map[string]string))

	// Set output status
	output.SetExitCode(exitCode)
	output.SetStatus(pluginutil.GetStatus(exitCode, cancelFlag))

	if err != nil {
		status := output.GetStatus()
		if status != contracts.ResultStatusCancelled &&
			status != contracts.ResultStatusTimedOut &&
			status != contracts.ResultStatusSuccessAndReboot {
			output.MarkAsFailed(fmt.Errorf("failed to run commands: %v", err))
		}
	}
	return
}