kubernetes/pkg/kubelet/kubelet_volumes.go

// ListVolumesForPod returns a map of the mounted volumes for the given pod.
// The key in the map is the OuterVolumeSpecName (i.e. pod.Spec.Volumes[x].Name)
func (kl *Kubelet) ListVolumesForPod(podUID types.UID) (map[string]volume.Volume, bool) { … }

// ListBlockVolumesForPod returns a map of the mounted volumes for the given
// pod. The key in the map is the OuterVolumeSpecName (i.e.
// pod.Spec.Volumes[x].Name)
func (kl *Kubelet) ListBlockVolumesForPod(podUID types.UID) (map[string]volume.BlockVolume, bool) { … }

// podVolumesExist checks with the volume manager and returns true any of the
// pods for the specified volume are mounted or are uncertain.
func (kl *Kubelet) podVolumesExist(podUID types.UID) bool { … }

// newVolumeMounterFromPlugins attempts to find a plugin by volume spec, pod
// and volume options and then creates a Mounter.
// Returns a valid mounter or an error.
func (kl *Kubelet) newVolumeMounterFromPlugins(spec *volume.Spec, pod *v1.Pod) (volume.Mounter, error) { … }

// removeOrphanedPodVolumeDirs attempts to remove the pod volumes directory and
// its subdirectories. There should be no files left under normal conditions
// when this is called, so it effectively does a recursive rmdir instead of
// RemoveAll to ensure it only removes empty directories and files that were
// used as mount points, but not content of the mount points.
func (kl *Kubelet) removeOrphanedPodVolumeDirs(uid types.UID) []error { … }

// cleanupOrphanedPodDirs removes the volumes of pods that should not be
// running and that have no containers running.  Note that we roll up logs here since it runs in the main loop.
func (kl *Kubelet) cleanupOrphanedPodDirs(pods []*v1.Pod, runningPods []*kubecontainer.Pod) error { … }