// newContainer creates a new container in Docker and stores it in the database.
func newContainer(app provision.App, imageId string, cmds []string) (container, error) {
contName := containerName()
cont := container{
AppName: app.GetName(),
Type: app.GetPlatform(),
Name: contName,
Status: "created",
}
coll := collection()
defer coll.Close()
if err := coll.Insert(cont); err != nil {
log.Errorf("error on inserting container into database %s - %s", cont.Name, err)
return container{}, err
}
port, err := getPort()
if err != nil {
log.Errorf("error on getting port for container %s - %s", cont.AppName, port)
return container{}, err
}
user, _ := config.GetString("docker:ssh:user")
exposedPorts := make(map[docker.Port]struct{}, 1)
p := docker.Port(fmt.Sprintf("%s/tcp", port))
exposedPorts[p] = struct{}{}
config := docker.Config{
Image: imageId,
Cmd: cmds,
User: user,
ExposedPorts: exposedPorts,
AttachStdin: false,
AttachStdout: false,
AttachStderr: false,
Memory: int64(app.GetMemory() * 1024 * 1024),
MemorySwap: int64(app.GetSwap() * 1024 * 1024),
}
opts := docker.CreateContainerOptions{Name: contName, Config: &config}
hostID, c, err := dockerCluster().CreateContainer(opts)
if err != nil {
log.Errorf("error on creating container in docker %s - %s", cont.AppName, err)
return container{}, err
}
cont.ID = c.ID
cont.HostAddr = getHostAddr(hostID)
err = coll.Update(bson.M{"name": cont.Name}, cont)
if err != nil {
log.Errorf("error on updating container into database %s - %s", cont.ID, err)
return container{}, err
}
return cont, nil
}