// Start a container
func Start(c *models.Container, status chan string) {
if !initialized {
log.Fatal("Package not initialized. Call .Init() function.")
}
c.Hostname = getHostName() //Get a random name to use as a hostname
c.Url = fmt.Sprintf("http://%s.%s", c.Hostname, c.Domainname)
c.StartTime = time.Now()
db.SaveContainer(c) //Save startup state in the db
status <- c.Hostname //Signal the caller that the record is ready to be read
// Create the container
containerConfig := &dockerclient.ContainerConfig{
Image: c.Image,
Cmd: []string{"/bin/sh", "-c", "ipython notebook --no-browser --port 8888 --ip=* --NotebookApp.allow_origin=*"},
ExposedPorts: map[string]struct{}{
"8888/tcp": {},
},
Hostname: c.Hostname,
Domainname: c.Domainname,
}
containerId, err := docker.CreateContainer(containerConfig, c.Hostname)
if err != nil {
log.Println(err)
}
c.ContainerId = containerId
// Start the container
hostConfig := &dockerclient.HostConfig{
PublishAllPorts: true,
}
err = docker.StartContainer(containerId, hostConfig)
if err != nil {
log.Println(err)
}
ks := kernelStarted(c)
if ks {
c.Status = "ACTIVE"
} else {
c.Status = "ERROR"
}
db.SaveContainer(c) //Save state in the db
log.Println("Started container ", c.Serialize())
}
func NoOp(c *models.Container, status chan string) {
c.Hostname = getHostName()
status <- c.Hostname
fmt.Println(c.Serialize())
db.SaveContainer(c)
time.Sleep(5 * time.Second)
c.Status = "READY"
db.SaveContainer(c)
fmt.Println(c.Serialize())
}
// Kill a container
func Kill(c *models.Container, status chan string) {
if !initialized {
log.Fatal("Package not initialized. Call .Init() function.")
}
c.Status = "DELETING"
db.SaveContainer(c) //Save startup state in the db
status <- c.Status
err := docker.StopContainer(c.ContainerId, 5)
if err != nil {
log.Println("Could not kill container", c.Hostname)
}
docker.RemoveContainer(c.Hostname, true, true)
if err != nil {
log.Println("Could not remove container ", c.Hostname)
}
c.Status = "REMOVED"
db.SaveContainer(c) //Save startup state in the db
log.Println("Removed container ", c.Serialize())
}