Beispiel #1
0
func (m *Manager) Destroy() error {
	m.mu.Lock()
	defer m.mu.Unlock()
	if err := cgroups.RemovePaths(m.Paths); err != nil {
		return err
	}
	m.Paths = make(map[string]string)
	return nil
}
Beispiel #2
0
func (m *Manager) Destroy() error {
	m.mu.Lock()
	defer m.mu.Unlock()
	theConn.StopUnit(getUnitName(m.Cgroups), "replace")
	if err := cgroups.RemovePaths(m.Paths); err != nil {
		return err
	}
	m.Paths = make(map[string]string)
	return nil
}
Beispiel #3
0
func (m *Manager) Apply(pid int) error {
	if m.Cgroups == nil {
		return nil
	}

	var c = m.Cgroups

	d, err := getCgroupData(m.Cgroups, pid)
	if err != nil {
		return err
	}

	paths := make(map[string]string)
	defer func() {
		if err != nil {
			cgroups.RemovePaths(paths)
		}
	}()
	for name, sys := range subsystems {
		if err := sys.Apply(d); err != nil {
			return err
		}
		// TODO: Apply should, ideally, be reentrant or be broken up into a separate
		// create and join phase so that the cgroup hierarchy for a container can be
		// created then join consists of writing the process pids to cgroup.procs
		p, err := d.path(name)
		if err != nil {
			if cgroups.IsNotFound(err) {
				continue
			}
			return err
		}
		paths[name] = p
	}
	m.Paths = paths

	if paths["cpu"] != "" {
		if err := CheckCpushares(paths["cpu"], c.CpuShares); err != nil {
			return err
		}
	}

	return nil
}