func()

in executors/docker/executor_docker.go [557:616]

• 49 lines of code
• 7 McCabe index (conditional complexity)

func (s *executor) createService(serviceIndex int, service, version, image string, serviceDefinition common.Image) (*types.Container, error) {
	if len(service) == 0 {
		return nil, errors.New("invalid service name")
	}

	s.Println("Starting service", service+":"+version, "...")
	serviceImage, err := s.getDockerImage(image)
	if err != nil {
		return nil, err
	}

	s.printUsedDockerImageID(image, serviceImage.ID, "service", service)

	serviceSlug := strings.Replace(service, "/", "__", -1)
	containerName := fmt.Sprintf("%s-%s-%d", s.Build.ProjectUniqueName(), serviceSlug, serviceIndex)

	// this will fail potentially some builds if there's name collision
	s.removeContainer(s.Context, containerName)

	config := &container.Config{
		Image:  serviceImage.ID,
		Labels: s.getLabels("service", "service="+service, "service.version="+version),
		Env:    s.getServiceVariables(),
	}

	if len(serviceDefinition.Command) > 0 {
		config.Cmd = serviceDefinition.Command
	}
	if len(serviceDefinition.Entrypoint) > 0 {
		config.Entrypoint = serviceDefinition.Entrypoint
	}

	hostConfig := &container.HostConfig{
		RestartPolicy: neverRestartPolicy,
		Privileged:    s.Config.Docker.Privileged,
		NetworkMode:   container.NetworkMode(s.Config.Docker.NetworkMode),
		Binds:         s.binds,
		ShmSize:       s.Config.Docker.ShmSize,
		VolumesFrom:   s.volumesFrom,
		Tmpfs:         s.Config.Docker.ServicesTmpfs,
		LogConfig: container.LogConfig{
			Type: "json-file",
		},
	}

	s.Debugln("Creating service container", containerName, "...")
	resp, err := s.client.ContainerCreate(s.Context, config, hostConfig, nil, containerName)
	if err != nil {
		return nil, err
	}

	s.Debugln("Starting service container", resp.ID, "...")
	err = s.client.ContainerStart(s.Context, resp.ID, types.ContainerStartOptions{})
	if err != nil {
		s.failures = append(s.failures, resp.ID)
		return nil, err
	}

	return fakeContainer(resp.ID, containerName), nil
}