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Introduce new kubelet volume manager

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This commit adds a new volume manager in kubelet that synchronizes
volume mount/unmount (and attach/detach, if attach/detach controller
is not enabled).

This eliminates the race conditions between the pod creation loop
and the orphaned volumes loops. It also removes the unmount/detach
from the `syncPod()` path so volume clean up never blocks the
`syncPod` loop.
This commit is contained in:
saadali
2016-05-29 19:22:22 -07:00
parent 9b6a505f8a
commit 542f2dc708
85 changed files with 5547 additions and 2093 deletions
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10
pkg/volume/rbd/rbd_test.go
View File

@@ -38,14 +38,14 @@ func TestCanSupport(t *testing.T) {
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, nil, nil, "" /* rootContext */))
plug, err := plugMgr.FindPluginByName("kubernetes.io/rbd")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if plug.Name() != "kubernetes.io/rbd" {
t.Errorf("Wrong name: %s", plug.Name())
if plug.GetPluginName() != "kubernetes.io/rbd" {
t.Errorf("Wrong name: %s", plug.GetPluginName())
}
if plug.CanSupport(&volume.Spec{Volume: &api.Volume{VolumeSource: api.VolumeSource{}}}) {
t.Errorf("Expected false")
@@ -95,7 +95,7 @@ func doTestPlugin(t *testing.T, spec *volume.Spec) {
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, nil, nil, "" /* rootContext */))
plug, err := plugMgr.FindPluginByName("kubernetes.io/rbd")
if err != nil {
@@ -226,7 +226,7 @@ func TestPersistentClaimReadOnlyFlag(t *testing.T) {
client := fake.NewSimpleClientset(pv, claim)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, client, nil))
plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, client, nil, "" /* rootContext */))
plug, _ := plugMgr.FindPluginByName(rbdPluginName)
// readOnly bool is supplied by persistent-claim volume source when its mounter creates other volumes