diff options
Diffstat (limited to 'runsc/sandbox/sandbox.go')
| -rw-r--r-- | runsc/sandbox/sandbox.go | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/runsc/sandbox/sandbox.go b/runsc/sandbox/sandbox.go index 266bc0bdc..7fe65c7ba 100644 --- a/runsc/sandbox/sandbox.go +++ b/runsc/sandbox/sandbox.go @@ -308,6 +308,22 @@ func (s *Sandbox) Processes(cid string) ([]*control.Process, error) { return pl, nil } +// FindCgroup returns the sandbox's Cgroup, or an error if it does not have one. +func (s *Sandbox) FindCgroup() (*cgroup.Cgroup, error) { + paths, err := cgroup.LoadPaths(strconv.Itoa(s.Pid)) + if err != nil { + return nil, err + } + // runsc places sandboxes in the same cgroup for each controller, so we + // pick an arbitrary controller here to get the cgroup path. + const controller = "cpuacct" + controllerPath, ok := paths[controller] + if !ok { + return nil, fmt.Errorf("no %q controller found", controller) + } + return cgroup.NewFromPath(controllerPath) +} + // Execute runs the specified command in the container. It returns the PID of // the newly created process. func (s *Sandbox) Execute(args *control.ExecArgs) (int32, error) { @@ -327,7 +343,7 @@ func (s *Sandbox) Execute(args *control.ExecArgs) (int32, error) { } // Event retrieves stats about the sandbox such as memory and CPU utilization. -func (s *Sandbox) Event(cid string) (*boot.Event, error) { +func (s *Sandbox) Event(cid string) (*boot.EventOut, error) { log.Debugf("Getting events for container %q in sandbox %q", cid, s.ID) conn, err := s.sandboxConnect() if err != nil { @@ -335,13 +351,13 @@ func (s *Sandbox) Event(cid string) (*boot.Event, error) { } defer conn.Close() - var e boot.Event + var e boot.EventOut // TODO(b/129292330): Pass in the container id (cid) here. The sandbox // should return events only for that container. if err := conn.Call(boot.ContainerEvent, nil, &e); err != nil { return nil, fmt.Errorf("retrieving event data from sandbox: %v", err) } - e.ID = cid + e.Event.ID = cid return &e, nil } |