// ProbeRecyclableVolumePlugins collects all persistent volume plugins into an easy to use list.
func ProbeRecyclableVolumePlugins(flags VolumeConfigFlags) []volume.VolumePlugin {
allPlugins := []volume.VolumePlugin{}
// The list of plugins to probe is decided by this binary, not
// by dynamic linking or other "magic". Plugins will be analyzed and
// initialized later.
// Each plugin can make use of VolumeConfig. The single arg to this func contains *all* enumerated
// CLI flags meant to configure volume plugins. From that single config, create an instance of volume.VolumeConfig
// for a specific plugin and pass that instance to the plugin's ProbeVolumePlugins(config) func.
// HostPath recycling is for testing and development purposes only!
hostPathConfig := volume.VolumeConfig{
RecyclerMinimumTimeout: flags.PersistentVolumeRecyclerMinimumTimeoutHostPath,
RecyclerTimeoutIncrement: flags.PersistentVolumeRecyclerIncrementTimeoutHostPath,
RecyclerPodTemplate: volume.NewPersistentVolumeRecyclerPodTemplate(),
}
if err := attemptToLoadRecycler(flags.PersistentVolumeRecyclerPodTemplateFilePathHostPath, &hostPathConfig); err != nil {
glog.Fatalf("Could not create hostpath recycler pod from file %s: %+v", flags.PersistentVolumeRecyclerPodTemplateFilePathHostPath, err)
}
allPlugins = append(allPlugins, host_path.ProbeVolumePlugins(hostPathConfig)...)
nfsConfig := volume.VolumeConfig{
RecyclerMinimumTimeout: flags.PersistentVolumeRecyclerMinimumTimeoutNFS,
RecyclerTimeoutIncrement: flags.PersistentVolumeRecyclerIncrementTimeoutNFS,
RecyclerPodTemplate: volume.NewPersistentVolumeRecyclerPodTemplate(),
}
if err := attemptToLoadRecycler(flags.PersistentVolumeRecyclerPodTemplateFilePathNFS, &nfsConfig); err != nil {
glog.Fatalf("Could not create NFS recycler pod from file %s: %+v", flags.PersistentVolumeRecyclerPodTemplateFilePathNFS, err)
}
allPlugins = append(allPlugins, nfs.ProbeVolumePlugins(nfsConfig)...)
return allPlugins
}
func TestSavePodToFile(t *testing.T) {
pod := volume.NewPersistentVolumeRecyclerPodTemplate()
// sets all default values on a pod for equality comparison after decoding from file
encoded, err := latest.GroupOrDie("").Codec.Encode(pod)
latest.GroupOrDie("").Codec.DecodeInto(encoded, pod)
path := fmt.Sprintf("/tmp/kube-io-test-%s", uuid.New())
defer os.Remove(path)
if err := io.SavePodToFile(pod, path, 777); err != nil {
t.Fatalf("failed to save pod to file: %v", err)
}
podFromFile, err := io.LoadPodFromFile(path)
if err != nil {
t.Fatalf("failed to load pod from file: %v", err)
}
if !api.Semantic.DeepEqual(pod, podFromFile) {
t.Errorf("\nexpected %#v\ngot %#v\n", pod, podFromFile)
}
}