spud/service/service.go

package service

import (
	podman "spud/podman"
	service_definition "spud/service_definition"
)

type ServiceManager interface {
	Create(definition service_definition.ServiceDefinition)
	Stop(name string)
}

type PodmanServiceManager struct{}

func NewPodmanServiceManager() *PodmanServiceManager {
	return &PodmanServiceManager{}
}

func (c PodmanServiceManager) Create(definition service_definition.ServiceDefinition) error {
	var err error

	err = podman.CreatePod(definition.Name, definition.Ports)

	if err != nil {
		return err
	}

	knownVolumes := map[string]string{}

	for _, volume := range definition.Volumes {
		namespacedName := definition.Name + "_" + volume.Name
		podman.CreateVolume(namespacedName, true)
		knownVolumes[volume.Name] = namespacedName
	}

	for _, container := range definition.Containers {
		if err = podman.CreateContainer(container, knownVolumes, definition.Name); err != nil {
			return err
		}
	}

	return nil
}

/*
 * Stops a running service.
 *
 * The service and all its containers are stopped but not deleted.
 */
func (c PodmanServiceManager) Stop(name string) error {
	return podman.StopPod(name)
}