func RemoveConfigDir(c types.GenericContainer) error {
return os.RemoveAll(helper.HostConfigDir(c.GetID()))
}
func ContainerDockerCfgs(c *types.Container) (*docker.Config, *docker.HostConfig) {
// get env cfg
envs := []string{
"ATLANTIS=true",
fmt.Sprintf("CONTAINER_ID=%s", c.ID),
fmt.Sprintf("CONTAINER_HOST=%s", c.Host),
fmt.Sprintf("CONTAINER_ENV=%s", c.Env),
fmt.Sprintf("HTTP_PORT=%d", c.PrimaryPort),
fmt.Sprintf("SSHD_PORT=%d", c.SSHPort),
}
// get port cfg
exposedPorts := map[docker.Port]struct{}{}
portBindings := map[docker.Port][]docker.PortBinding{}
sPrimaryPort := fmt.Sprintf("%d", c.PrimaryPort)
dPrimaryPort := NewDockerPort(sPrimaryPort, "tcp")
exposedPorts[dPrimaryPort] = struct{}{}
portBindings[dPrimaryPort] = []docker.PortBinding{docker.PortBinding{
HostIP: "",
HostPort: sPrimaryPort,
}}
sSSHPort := fmt.Sprintf("%d", c.SSHPort)
dSSHPort := NewDockerPort(sSSHPort, "tcp")
exposedPorts[dSSHPort] = struct{}{}
portBindings[dSSHPort] = []docker.PortBinding{docker.PortBinding{
HostIP: "",
HostPort: sSSHPort,
}}
for i, port := range c.SecondaryPorts {
sPort := fmt.Sprintf("%d", port)
dPort := NewDockerPort(sPort, "tcp")
exposedPorts[dPort] = struct{}{}
portBindings[dPort] = []docker.PortBinding{docker.PortBinding{
HostIP: "",
HostPort: sPort,
}}
envs = append(envs, fmt.Sprintf("SECONDARY_PORT%d=%d", i, port))
}
// setup actual cfg
dCfg := &docker.Config{
Tty: true, // allocate pseudo-tty
OpenStdin: true, // keep stdin open even if we're not attached
CPUShares: int64(c.Manifest.CPUShares),
Memory: int64(c.Manifest.MemoryLimit) * int64(1024*1024), // this is in bytes
MemorySwap: int64(-1), // -1 turns swap off
ExposedPorts: exposedPorts,
Env: envs,
Cmd: []string{
"runsvdir",
"/etc/service",
},
Image: fmt.Sprintf("%s/%s/%s-%s", RegistryHost, c.GetDockerRepo(), c.App, c.Sha),
Volumes: map[string]struct{}{
ContainerLogDir: struct{}{},
atypes.ContainerConfigDir: struct{}{},
},
}
dHostCfg := &docker.HostConfig{
PortBindings: portBindings,
Binds: []string{
fmt.Sprintf("%s:%s", helper.HostLogDir(c.ID), ContainerLogDir),
fmt.Sprintf("%s:%s", helper.HostConfigDir(c.ID), atypes.ContainerConfigDir),
},
RestartPolicy: docker.AlwaysRestart(),
// We added this so that we could reference the veth after it was created. However, docker no longer
// uses lxc as the default driver (and neither do we) disable this configuration for now, investigate
// later.
// LxcConf: []docker.KeyValuePair{
// docker.KeyValuePair{
// Key: "lxc.network.veth.pair",
// Value: "veth" + c.RandomID(),
// },
// },
}
return dCfg, dHostCfg
}
func Deploy(c types.GenericContainer) error {
dRepo := fmt.Sprintf("%s/%s/%s-%s", RegistryHost, c.GetDockerRepo(), c.GetApp(), c.GetSha())
// Pull docker container
if pretending() {
log.Printf("[%s][pretend] deploy with %s @ %s...", c.GetID(), c.GetApp(), c.GetSha())
log.Printf("[%s][pretend] docker pull %s", c.GetID(), dRepo)
log.Printf("[%s][pretend] docker run %s", c.GetID(), dRepo)
c.SetDockerID(fmt.Sprintf("pretend-docker-id-%s", c.GetID()))
} else {
log.Printf("[%s] deploy with %s @ %s...", c.GetID(), c.GetApp(), c.GetSha())
log.Printf("[%s] docker pull %s", c.GetID(), dRepo)
dockerLock.Lock()
err := dockerClient.PullImage(docker.PullImageOptions{Repository: dRepo}, docker.AuthConfiguration{})
dockerLock.Unlock()
if err != nil {
log.Printf("[%s] ERROR: failed to pull %s", c.GetID(), dRepo)
return err
}
// make log dir for volume
err = os.MkdirAll(helper.HostLogDir(c.GetID()), 0755)
if err != nil {
return err
}
// make config dir for volume
err = os.MkdirAll(helper.HostConfigDir(c.GetID()), 0755)
if err != nil {
return err
}
// put config in config dir
appCfg, err := AppCfgs(c)
if err != nil {
return err
}
if err := appCfg.Save(helper.HostConfigFile(c.GetID())); err != nil {
RemoveConfigDir(c)
return err
}
log.Printf("[%s] docker run %s", c.GetID(), dRepo)
// create docker container
dCfg, dHostCfg := DockerCfgs(c)
dockerLock.Lock()
dCont, err := dockerClient.CreateContainer(docker.CreateContainerOptions{Name: c.GetID(), Config: dCfg})
dockerLock.Unlock()
if err != nil {
log.Printf("[%s] ERROR: failed to create container: %s", c.GetID(), err.Error())
return err
}
c.SetDockerID(dCont.ID)
// start docker container
dockerLock.Lock()
err = dockerClient.StartContainer(c.GetDockerID(), dHostCfg)
dockerLock.Unlock()
if err != nil {
log.Printf("[%s] ERROR: failed to start container: %s", c.GetID(), err.Error())
log.Printf("[%s] -- full create response:\n%+v", c.GetID(), dCont)
log.Printf("[%s] inspecting container for more information...", c.GetID())
dockerLock.Lock()
inspCont, ierr := dockerClient.InspectContainer(c.GetDockerID())
dockerLock.Unlock()
if ierr != nil {
log.Printf("[%s] ERROR: failed to inspect container: %s", c.GetID(), ierr.Error())
return ierr
}
log.Printf("[%s] -- inspected container:\n%+v", c.GetID(), inspCont)
return err
}
dockerLock.Lock()
inspCont, err := dockerClient.InspectContainer(c.GetDockerID())
dockerLock.Unlock()
if err != nil {
log.Printf("[%s] ERROR: failed to inspect container: %s", c.GetID(), err.Error())
return err
}
if inspCont.NetworkSettings == nil {
log.Printf("[%s] ERROR: failed to get container network settings.")
return errors.New("Could not get NetworkSettings from docker")
}
c.SetIP(inspCont.NetworkSettings.IPAddress)
c.SetPid(inspCont.State.Pid)
}
return nil
}