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-rw-r--r--libpod/container_internal_linux.go52
1 files changed, 52 insertions, 0 deletions
diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go
new file mode 100644
index 000000000..41b8a86fc
--- /dev/null
+++ b/libpod/container_internal_linux.go
@@ -0,0 +1,52 @@
+// +build linux
+
+package libpod
+
+import (
+ "fmt"
+ "path/filepath"
+
+ "github.com/containerd/cgroups"
+ "github.com/sirupsen/logrus"
+)
+
+// cleanupCgroup cleans up residual CGroups after container execution
+// This is a no-op for the systemd cgroup driver
+func (c *Container) cleanupCgroups() error {
+ if !c.state.CgroupCreated {
+ logrus.Debugf("Cgroups are not present, ignoring...")
+ return nil
+ }
+
+ if c.runtime.config.CgroupManager == SystemdCgroupsManager {
+ return nil
+ }
+
+ // Remove the base path of the container's cgroups
+ path := filepath.Join(c.config.CgroupParent, fmt.Sprintf("libpod-%s", c.ID()))
+
+ logrus.Debugf("Removing CGroup %s", path)
+
+ cgroup, err := cgroups.Load(cgroups.V1, cgroups.StaticPath(path))
+ if err != nil {
+ // It's fine for the cgroup to not exist
+ // We want it gone, it's gone
+ if err == cgroups.ErrCgroupDeleted {
+ return nil
+ }
+
+ return err
+ }
+
+ if err := cgroup.Delete(); err != nil {
+ return err
+ }
+
+ c.state.CgroupCreated = false
+
+ if c.valid {
+ return c.save()
+ }
+
+ return nil
+}