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// +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
}
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