// Create creates a bundle in the depot and starts its init process
func (c *Containerizer) Create(log lager.Logger, spec gardener.DesiredContainerSpec) error {
log = log.Session("containerizer-create", lager.Data{"handle": spec.Handle})
log.Info("started")
defer log.Info("finished")
if err := c.depot.Create(log, spec.Handle, c.bundler.Bundle(spec)); err != nil {
log.Error("create-failed", err)
return err
}
path, err := c.depot.Lookup(log, spec.Handle)
if err != nil {
log.Error("lookup-failed", err)
return err
}
stdoutR, stdoutW := io.Pipe()
_, err = c.runner.Start(log, path, spec.Handle, garden.ProcessIO{
Stdout: io.MultiWriter(logging.Writer(log), stdoutW),
Stderr: logging.Writer(log),
})
if err != nil {
log.Error("start", err)
return err
}
if err := c.startChecker.Check(log, stdoutR); err != nil {
log.Error("check", err)
return err
}
return nil
}
func (s *CgroupStarter) mountCgroup(log lager.Logger, cgroupPath, cgroupType string) error {
log = log.Session("setup-cgroup", lager.Data{
"path": cgroupPath,
"type": cgroupType,
})
log.Info("started")
defer log.Info("finished")
if !s.isMountPoint(cgroupPath) {
if err := os.MkdirAll(cgroupPath, 0755); err != nil {
log.Error("mkdir-failed", err)
return err
}
cmd := exec.Command("mount", "-n", "-t", "cgroup", "-o", cgroupType, "cgroup", cgroupPath)
cmd.Stderr = logging.Writer(log.Session("mount-cgroup-cmd"))
if err := s.CommandRunner.Run(cmd); err != nil {
log.Error("mount-cgroup-failed", err)
return err
}
}
return nil
}
