diff options
Diffstat (limited to 'libpod/oci_linux.go')
-rw-r--r-- | libpod/oci_linux.go | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/libpod/oci_linux.go b/libpod/oci_linux.go new file mode 100644 index 000000000..14373cbb2 --- /dev/null +++ b/libpod/oci_linux.go @@ -0,0 +1,41 @@ +// +build linux + +package libpod + +import ( + "fmt" + "os" + "os/exec" + "path/filepath" + + "github.com/containerd/cgroups" + spec "github.com/opencontainers/runtime-spec/specs-go" + "github.com/projectatomic/libpod/utils" + "github.com/sirupsen/logrus" +) + +func (r *OCIRuntime) moveConmonToCgroup(ctr *Container, cgroupParent string, cmd *exec.Cmd) error { + if os.Getuid() == 0 { + if r.cgroupManager == SystemdCgroupsManager { + unitName := createUnitName("libpod-conmon", ctr.ID()) + + logrus.Infof("Running conmon under slice %s and unitName %s", cgroupParent, unitName) + if err := utils.RunUnderSystemdScope(cmd.Process.Pid, cgroupParent, unitName); err != nil { + logrus.Warnf("Failed to add conmon to systemd sandbox cgroup: %v", err) + } + } else { + cgroupPath := filepath.Join(ctr.config.CgroupParent, fmt.Sprintf("libpod-%s", ctr.ID()), "conmon") + control, err := cgroups.New(cgroups.V1, cgroups.StaticPath(cgroupPath), &spec.LinuxResources{}) + if err != nil { + logrus.Warnf("Failed to add conmon to cgroupfs sandbox cgroup: %v", err) + } else { + // we need to remove this defer and delete the cgroup once conmon exits + // maybe need a conmon monitor? + if err := control.Add(cgroups.Process{Pid: cmd.Process.Pid}); err != nil { + logrus.Warnf("Failed to add conmon to cgroupfs sandbox cgroup: %v", err) + } + } + } + } + return nil +} |