Add glide.yaml and vendor deps

vendor/k8s.io/kubernetes/pkg/volume/cinder/BUILD

@@ -0,0 +1,57 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_binary",
+    "go_library",
+    "go_test",
+    "cgo_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "attacher.go",
+        "cinder.go",
+        "cinder_util.go",
+        "doc.go",
+    ],
+    tags = ["automanaged"],
+    deps = [
+        "//pkg/api/resource:go_default_library",
+        "//pkg/api/v1:go_default_library",
+        "//pkg/cloudprovider:go_default_library",
+        "//pkg/cloudprovider/providers/openstack:go_default_library",
+        "//pkg/cloudprovider/providers/rackspace:go_default_library",
+        "//pkg/types:go_default_library",
+        "//pkg/util/exec:go_default_library",
+        "//pkg/util/keymutex:go_default_library",
+        "//pkg/util/mount:go_default_library",
+        "//pkg/util/strings:go_default_library",
+        "//pkg/volume:go_default_library",
+        "//pkg/volume/util:go_default_library",
+        "//vendor:github.com/golang/glog",
+    ],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = [
+        "attacher_test.go",
+        "cinder_test.go",
+    ],
+    library = "go_default_library",
+    tags = ["automanaged"],
+    deps = [
+        "//pkg/api/v1:go_default_library",
+        "//pkg/cloudprovider:go_default_library",
+        "//pkg/types:go_default_library",
+        "//pkg/util/mount:go_default_library",
+        "//pkg/util/testing:go_default_library",
+        "//pkg/volume:go_default_library",
+        "//pkg/volume/testing:go_default_library",
+        "//vendor:github.com/golang/glog",
+    ],
+)

vendor/k8s.io/kubernetes/pkg/volume/cinder/OWNERS

@@ -0,0 +1,3 @@
+maintainers:
+- jsafrane
+- spothanis

vendor/k8s.io/kubernetes/pkg/volume/cinder/attacher.go

@@ -0,0 +1,286 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package cinder
+
+import (
+	"fmt"
+	"os"
+	"path"
+	"strings"
+	"time"
+
+	"github.com/golang/glog"
+	"k8s.io/kubernetes/pkg/types"
+	"k8s.io/kubernetes/pkg/util/exec"
+	"k8s.io/kubernetes/pkg/util/mount"
+	"k8s.io/kubernetes/pkg/volume"
+	volumeutil "k8s.io/kubernetes/pkg/volume/util"
+)
+
+type cinderDiskAttacher struct {
+	host           volume.VolumeHost
+	cinderProvider CinderProvider
+}
+
+var _ volume.Attacher = &cinderDiskAttacher{}
+
+var _ volume.AttachableVolumePlugin = &cinderPlugin{}
+
+const (
+	checkSleepDuration = time.Second
+)
+
+func (plugin *cinderPlugin) NewAttacher() (volume.Attacher, error) {
+	cinder, err := getCloudProvider(plugin.host.GetCloudProvider())
+	if err != nil {
+		return nil, err
+	}
+	return &cinderDiskAttacher{
+		host:           plugin.host,
+		cinderProvider: cinder,
+	}, nil
+}
+
+func (plugin *cinderPlugin) GetDeviceMountRefs(deviceMountPath string) ([]string, error) {
+	mounter := plugin.host.GetMounter()
+	return mount.GetMountRefs(mounter, deviceMountPath)
+}
+
+func (attacher *cinderDiskAttacher) Attach(spec *volume.Spec, nodeName types.NodeName) (string, error) {
+	volumeSource, _, err := getVolumeSource(spec)
+	if err != nil {
+		return "", err
+	}
+
+	volumeID := volumeSource.VolumeID
+
+	instances, res := attacher.cinderProvider.Instances()
+	if !res {
+		return "", fmt.Errorf("failed to list openstack instances")
+	}
+	instanceid, err := instances.InstanceID(nodeName)
+	if err != nil {
+		return "", err
+	}
+	if ind := strings.LastIndex(instanceid, "/"); ind >= 0 {
+		instanceid = instanceid[(ind + 1):]
+	}
+	attached, err := attacher.cinderProvider.DiskIsAttached(volumeID, instanceid)
+	if err != nil {
+		// Log error and continue with attach
+		glog.Warningf(
+			"Error checking if volume (%q) is already attached to current node (%q). Will continue and try attach anyway. err=%v",
+			volumeID, instanceid, err)
+	}
+
+	if err == nil && attached {
+		// Volume is already attached to node.
+		glog.Infof("Attach operation is successful. volume %q is already attached to node %q.", volumeID, instanceid)
+	} else {
+		_, err = attacher.cinderProvider.AttachDisk(instanceid, volumeID)
+		if err == nil {
+			glog.Infof("Attach operation successful: volume %q attached to node %q.", volumeID, instanceid)
+		} else {
+			glog.Infof("Attach volume %q to instance %q failed with %v", volumeID, instanceid, err)
+			return "", err
+		}
+	}
+
+	devicePath, err := attacher.cinderProvider.GetAttachmentDiskPath(instanceid, volumeID)
+	if err != nil {
+		glog.Infof("Attach volume %q to instance %q failed with %v", volumeID, instanceid, err)
+		return "", err
+	}
+
+	return devicePath, err
+}
+
+func (attacher *cinderDiskAttacher) VolumesAreAttached(specs []*volume.Spec, nodeName types.NodeName) (map[*volume.Spec]bool, error) {
+	volumesAttachedCheck := make(map[*volume.Spec]bool)
+	volumeSpecMap := make(map[string]*volume.Spec)
+	volumeIDList := []string{}
+	for _, spec := range specs {
+		volumeSource, _, err := getVolumeSource(spec)
+		if err != nil {
+			glog.Errorf("Error getting volume (%q) source : %v", spec.Name(), err)
+			continue
+		}
+
+		volumeIDList = append(volumeIDList, volumeSource.VolumeID)
+		volumesAttachedCheck[spec] = true
+		volumeSpecMap[volumeSource.VolumeID] = spec
+	}
+	attachedResult, err := attacher.cinderProvider.DisksAreAttached(volumeIDList, string(nodeName))
+	if err != nil {
+		// Log error and continue with attach
+		glog.Errorf(
+			"Error checking if Volumes (%v) are already attached to current node (%q). Will continue and try attach anyway. err=%v",
+			volumeIDList, nodeName, err)
+		return volumesAttachedCheck, err
+	}
+
+	for volumeID, attached := range attachedResult {
+		if !attached {
+			spec := volumeSpecMap[volumeID]
+			volumesAttachedCheck[spec] = false
+			glog.V(2).Infof("VolumesAreAttached: check volume %q (specName: %q) is no longer attached", volumeID, spec.Name())
+		}
+	}
+	return volumesAttachedCheck, nil
+}
+
+func (attacher *cinderDiskAttacher) WaitForAttach(spec *volume.Spec, devicePath string, timeout time.Duration) (string, error) {
+	// NOTE: devicePath is is path as reported by Cinder, which may be incorrect and should not be used. See Issue #33128
+	volumeSource, _, err := getVolumeSource(spec)
+	if err != nil {
+		return "", err
+	}
+
+	volumeID := volumeSource.VolumeID
+
+	if devicePath == "" {
+		return "", fmt.Errorf("WaitForAttach failed for Cinder disk %q: devicePath is empty.", volumeID)
+	}
+
+	ticker := time.NewTicker(checkSleepDuration)
+	defer ticker.Stop()
+	timer := time.NewTimer(timeout)
+	defer timer.Stop()
+
+	for {
+		probeAttachedVolume()
+		select {
+		case <-ticker.C:
+			glog.V(5).Infof("Checking Cinder disk %q is attached.", volumeID)
+			probeAttachedVolume()
+			if !attacher.cinderProvider.ShouldTrustDevicePath() {
+				// Using the Cinder volume ID, find the real device path (See Issue #33128)
+				devicePath = attacher.cinderProvider.GetDevicePath(volumeID)
+			}
+			exists, err := volumeutil.PathExists(devicePath)
+			if exists && err == nil {
+				glog.Infof("Successfully found attached Cinder disk %q at %v.", volumeID, devicePath)
+				return devicePath, nil
+			} else {
+				// Log an error, and continue checking periodically
+				glog.Errorf("Error: could not find attached Cinder disk %q: %v", volumeID, err)
+			}
+		case <-timer.C:
+			return "", fmt.Errorf("Could not find attached Cinder disk %q. Timeout waiting for mount paths to be created.", volumeID)
+		}
+	}
+}
+
+func (attacher *cinderDiskAttacher) GetDeviceMountPath(
+	spec *volume.Spec) (string, error) {
+	volumeSource, _, err := getVolumeSource(spec)
+	if err != nil {
+		return "", err
+	}
+
+	return makeGlobalPDName(attacher.host, volumeSource.VolumeID), nil
+}
+
+// FIXME: this method can be further pruned.
+func (attacher *cinderDiskAttacher) MountDevice(spec *volume.Spec, devicePath string, deviceMountPath string) error {
+	mounter := attacher.host.GetMounter()
+	notMnt, err := mounter.IsLikelyNotMountPoint(deviceMountPath)
+	if err != nil {
+		if os.IsNotExist(err) {
+			if err := os.MkdirAll(deviceMountPath, 0750); err != nil {
+				return err
+			}
+			notMnt = true
+		} else {
+			return err
+		}
+	}
+
+	volumeSource, readOnly, err := getVolumeSource(spec)
+	if err != nil {
+		return err
+	}
+
+	options := []string{}
+	if readOnly {
+		options = append(options, "ro")
+	}
+	if notMnt {
+		diskMounter := &mount.SafeFormatAndMount{Interface: mounter, Runner: exec.New()}
+		err = diskMounter.FormatAndMount(devicePath, deviceMountPath, volumeSource.FSType, options)
+		if err != nil {
+			os.Remove(deviceMountPath)
+			return err
+		}
+	}
+	return nil
+}
+
+type cinderDiskDetacher struct {
+	mounter        mount.Interface
+	cinderProvider CinderProvider
+}
+
+var _ volume.Detacher = &cinderDiskDetacher{}
+
+func (plugin *cinderPlugin) NewDetacher() (volume.Detacher, error) {
+	cinder, err := getCloudProvider(plugin.host.GetCloudProvider())
+	if err != nil {
+		return nil, err
+	}
+	return &cinderDiskDetacher{
+		mounter:        plugin.host.GetMounter(),
+		cinderProvider: cinder,
+	}, nil
+}
+
+func (detacher *cinderDiskDetacher) Detach(deviceMountPath string, nodeName types.NodeName) error {
+	volumeID := path.Base(deviceMountPath)
+	instances, res := detacher.cinderProvider.Instances()
+	if !res {
+		return fmt.Errorf("failed to list openstack instances")
+	}
+	instanceid, err := instances.InstanceID(nodeName)
+	if ind := strings.LastIndex(instanceid, "/"); ind >= 0 {
+		instanceid = instanceid[(ind + 1):]
+	}
+
+	attached, err := detacher.cinderProvider.DiskIsAttached(volumeID, instanceid)
+	if err != nil {
+		// Log error and continue with detach
+		glog.Errorf(
+			"Error checking if volume (%q) is already attached to current node (%q). Will continue and try detach anyway. err=%v",
+			volumeID, nodeName, err)
+	}
+
+	if err == nil && !attached {
+		// Volume is already detached from node.
+		glog.Infof("detach operation was successful. volume %q is already detached from node %q.", volumeID, nodeName)
+		return nil
+	}
+
+	if err = detacher.cinderProvider.DetachDisk(instanceid, volumeID); err != nil {
+		glog.Errorf("Error detaching volume %q: %v", volumeID, err)
+		return err
+	}
+	glog.Infof("detatached volume %q from instance %q", volumeID, instanceid)
+	return nil
+}
+
+func (detacher *cinderDiskDetacher) UnmountDevice(deviceMountPath string) error {
+	return volumeutil.UnmountPath(deviceMountPath, detacher.mounter)
+}

vendor/k8s.io/kubernetes/pkg/volume/cinder/attacher_test.go

@@ -0,0 +1,459 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package cinder
+
+import (
+	"errors"
+	"testing"
+
+	"k8s.io/kubernetes/pkg/api/v1"
+	"k8s.io/kubernetes/pkg/cloudprovider"
+	"k8s.io/kubernetes/pkg/volume"
+	volumetest "k8s.io/kubernetes/pkg/volume/testing"
+
+	"github.com/golang/glog"
+	"k8s.io/kubernetes/pkg/types"
+)
+
+func TestGetDeviceName_Volume(t *testing.T) {
+	plugin := newPlugin()
+	name := "my-cinder-volume"
+	spec := createVolSpec(name, false)
+
+	deviceName, err := plugin.GetVolumeName(spec)
+	if err != nil {
+		t.Errorf("GetDeviceName error: %v", err)
+	}
+	if deviceName != name {
+		t.Errorf("GetDeviceName error: expected %s, got %s", name, deviceName)
+	}
+}
+
+func TestGetDeviceName_PersistentVolume(t *testing.T) {
+	plugin := newPlugin()
+	name := "my-cinder-pv"
+	spec := createPVSpec(name, true)
+
+	deviceName, err := plugin.GetVolumeName(spec)
+	if err != nil {
+		t.Errorf("GetDeviceName error: %v", err)
+	}
+	if deviceName != name {
+		t.Errorf("GetDeviceName error: expected %s, got %s", name, deviceName)
+	}
+}
+
+// One testcase for TestAttachDetach table test below
+type testcase struct {
+	name string
+	// For fake GCE:
+	attach         attachCall
+	detach         detachCall
+	diskIsAttached diskIsAttachedCall
+	diskPath       diskPathCall
+	t              *testing.T
+
+	instanceID string
+	// Actual test to run
+	test func(test *testcase) (string, error)
+	// Expected return of the test
+	expectedDevice string
+	expectedError  error
+}
+
+func TestAttachDetach(t *testing.T) {
+	diskName := "disk"
+	instanceID := "instance"
+	nodeName := types.NodeName(instanceID)
+	readOnly := false
+	spec := createVolSpec(diskName, readOnly)
+	attachError := errors.New("Fake attach error")
+	detachError := errors.New("Fake detach error")
+	diskCheckError := errors.New("Fake DiskIsAttached error")
+	diskPathError := errors.New("Fake GetAttachmentDiskPath error")
+	tests := []testcase{
+		// Successful Attach call
+		{
+			name:           "Attach_Positive",
+			instanceID:     instanceID,
+			diskIsAttached: diskIsAttachedCall{diskName, instanceID, false, nil},
+			attach:         attachCall{diskName, instanceID, "", nil},
+			diskPath:       diskPathCall{diskName, instanceID, "/dev/sda", nil},
+			test: func(testcase *testcase) (string, error) {
+				attacher := newAttacher(testcase)
+				return attacher.Attach(spec, nodeName)
+			},
+			expectedDevice: "/dev/sda",
+		},
+
+		// Disk is already attached
+		{
+			name:           "Attach_Positive_AlreadyAttached",
+			instanceID:     instanceID,
+			diskIsAttached: diskIsAttachedCall{diskName, instanceID, true, nil},
+			diskPath:       diskPathCall{diskName, instanceID, "/dev/sda", nil},
+			test: func(testcase *testcase) (string, error) {
+				attacher := newAttacher(testcase)
+				return attacher.Attach(spec, nodeName)
+			},
+			expectedDevice: "/dev/sda",
+		},
+
+		// DiskIsAttached fails and Attach succeeds
+		{
+			name:           "Attach_Positive_CheckFails",
+			instanceID:     instanceID,
+			diskIsAttached: diskIsAttachedCall{diskName, instanceID, false, diskCheckError},
+			attach:         attachCall{diskName, instanceID, "", nil},
+			diskPath:       diskPathCall{diskName, instanceID, "/dev/sda", nil},
+			test: func(testcase *testcase) (string, error) {
+				attacher := newAttacher(testcase)
+				return attacher.Attach(spec, nodeName)
+			},
+			expectedDevice: "/dev/sda",
+		},
+
+		// Attach call fails
+		{
+			name:           "Attach_Negative",
+			instanceID:     instanceID,
+			diskIsAttached: diskIsAttachedCall{diskName, instanceID, false, diskCheckError},
+			attach:         attachCall{diskName, instanceID, "/dev/sda", attachError},
+			test: func(testcase *testcase) (string, error) {
+				attacher := newAttacher(testcase)
+				return attacher.Attach(spec, nodeName)
+			},
+			expectedError: attachError,
+		},
+
+		// GetAttachmentDiskPath call fails
+		{
+			name:           "Attach_Negative_DiskPatchFails",
+			instanceID:     instanceID,
+			diskIsAttached: diskIsAttachedCall{diskName, instanceID, false, diskCheckError},
+			attach:         attachCall{diskName, instanceID, "", nil},
+			diskPath:       diskPathCall{diskName, instanceID, "", diskPathError},
+			test: func(testcase *testcase) (string, error) {
+				attacher := newAttacher(testcase)
+				return attacher.Attach(spec, nodeName)
+			},
+			expectedError: diskPathError,
+		},
+
+		// Detach succeeds
+		{
+			name:           "Detach_Positive",
+			instanceID:     instanceID,
+			diskIsAttached: diskIsAttachedCall{diskName, instanceID, true, nil},
+			detach:         detachCall{diskName, instanceID, nil},
+			test: func(testcase *testcase) (string, error) {
+				detacher := newDetacher(testcase)
+				return "", detacher.Detach(diskName, nodeName)
+			},
+		},
+
+		// Disk is already detached
+		{
+			name:           "Detach_Positive_AlreadyDetached",
+			instanceID:     instanceID,
+			diskIsAttached: diskIsAttachedCall{diskName, instanceID, false, nil},
+			test: func(testcase *testcase) (string, error) {
+				detacher := newDetacher(testcase)
+				return "", detacher.Detach(diskName, nodeName)
+			},
+		},
+
+		// Detach succeeds when DiskIsAttached fails
+		{
+			name:           "Detach_Positive_CheckFails",
+			instanceID:     instanceID,
+			diskIsAttached: diskIsAttachedCall{diskName, instanceID, false, diskCheckError},
+			detach:         detachCall{diskName, instanceID, nil},
+			test: func(testcase *testcase) (string, error) {
+				detacher := newDetacher(testcase)
+				return "", detacher.Detach(diskName, nodeName)
+			},
+		},
+
+		// Detach fails
+		{
+			name:           "Detach_Negative",
+			instanceID:     instanceID,
+			diskIsAttached: diskIsAttachedCall{diskName, instanceID, false, diskCheckError},
+			detach:         detachCall{diskName, instanceID, detachError},
+			test: func(testcase *testcase) (string, error) {
+				detacher := newDetacher(testcase)
+				return "", detacher.Detach(diskName, nodeName)
+			},
+			expectedError: detachError,
+		},
+	}
+
+	for _, testcase := range tests {
+		testcase.t = t
+		device, err := testcase.test(&testcase)
+		if err != testcase.expectedError {
+			t.Errorf("%s failed: expected err=%q, got %q", testcase.name, testcase.expectedError.Error(), err.Error())
+		}
+		if device != testcase.expectedDevice {
+			t.Errorf("%s failed: expected device=%q, got %q", testcase.name, testcase.expectedDevice, device)
+		}
+		t.Logf("Test %q succeeded", testcase.name)
+	}
+}
+
+// newPlugin creates a new gcePersistentDiskPlugin with fake cloud, NewAttacher
+// and NewDetacher won't work.
+func newPlugin() *cinderPlugin {
+	host := volumetest.NewFakeVolumeHost("/tmp", nil, nil)
+	plugins := ProbeVolumePlugins()
+	plugin := plugins[0]
+	plugin.Init(host)
+	return plugin.(*cinderPlugin)
+}
+
+func newAttacher(testcase *testcase) *cinderDiskAttacher {
+	return &cinderDiskAttacher{
+		host:           nil,
+		cinderProvider: testcase,
+	}
+}
+
+func newDetacher(testcase *testcase) *cinderDiskDetacher {
+	return &cinderDiskDetacher{
+		cinderProvider: testcase,
+	}
+}
+
+func createVolSpec(name string, readOnly bool) *volume.Spec {
+	return &volume.Spec{
+		Volume: &v1.Volume{
+			VolumeSource: v1.VolumeSource{
+				Cinder: &v1.CinderVolumeSource{
+					VolumeID: name,
+					ReadOnly: readOnly,
+				},
+			},
+		},
+	}
+}
+
+func createPVSpec(name string, readOnly bool) *volume.Spec {
+	return &volume.Spec{
+		PersistentVolume: &v1.PersistentVolume{
+			Spec: v1.PersistentVolumeSpec{
+				PersistentVolumeSource: v1.PersistentVolumeSource{
+					Cinder: &v1.CinderVolumeSource{
+						VolumeID: name,
+						ReadOnly: readOnly,
+					},
+				},
+			},
+		},
+	}
+}
+
+// Fake GCE implementation
+
+type attachCall struct {
+	diskName      string
+	instanceID    string
+	retDeviceName string
+	ret           error
+}
+
+type detachCall struct {
+	devicePath string
+	instanceID string
+	ret        error
+}
+
+type diskIsAttachedCall struct {
+	diskName, instanceID string
+	isAttached           bool
+	ret                  error
+}
+
+type diskPathCall struct {
+	diskName, instanceID string
+	retPath              string
+	ret                  error
+}
+
+func (testcase *testcase) AttachDisk(instanceID string, diskName string) (string, error) {
+	expected := &testcase.attach
+
+	if expected.diskName == "" && expected.instanceID == "" {
+		// testcase.attach looks uninitialized, test did not expect to call
+		// AttachDisk
+		testcase.t.Errorf("Unexpected AttachDisk call!")
+		return "", errors.New("Unexpected AttachDisk call!")
+	}
+
+	if expected.diskName != diskName {
+		testcase.t.Errorf("Unexpected AttachDisk call: expected diskName %s, got %s", expected.diskName, diskName)
+		return "", errors.New("Unexpected AttachDisk call: wrong diskName")
+	}
+
+	if expected.instanceID != instanceID {
+		testcase.t.Errorf("Unexpected AttachDisk call: expected instanceID %s, got %s", expected.instanceID, instanceID)
+		return "", errors.New("Unexpected AttachDisk call: wrong instanceID")
+	}
+
+	glog.V(4).Infof("AttachDisk call: %s, %s, returning %q, %v", diskName, instanceID, expected.retDeviceName, expected.ret)
+
+	return expected.retDeviceName, expected.ret
+}
+
+func (testcase *testcase) DetachDisk(instanceID string, partialDiskId string) error {
+	expected := &testcase.detach
+
+	if expected.devicePath == "" && expected.instanceID == "" {
+		// testcase.detach looks uninitialized, test did not expect to call
+		// DetachDisk
+		testcase.t.Errorf("Unexpected DetachDisk call!")
+		return errors.New("Unexpected DetachDisk call!")
+	}
+
+	if expected.devicePath != partialDiskId {
+		testcase.t.Errorf("Unexpected DetachDisk call: expected partialDiskId %s, got %s", expected.devicePath, partialDiskId)
+		return errors.New("Unexpected DetachDisk call: wrong diskName")
+	}
+
+	if expected.instanceID != instanceID {
+		testcase.t.Errorf("Unexpected DetachDisk call: expected instanceID %s, got %s", expected.instanceID, instanceID)
+		return errors.New("Unexpected DetachDisk call: wrong instanceID")
+	}
+
+	glog.V(4).Infof("DetachDisk call: %s, %s, returning %v", partialDiskId, instanceID, expected.ret)
+
+	return expected.ret
+}
+
+func (testcase *testcase) DiskIsAttached(diskName, instanceID string) (bool, error) {
+	expected := &testcase.diskIsAttached
+
+	if expected.diskName == "" && expected.instanceID == "" {
+		// testcase.diskIsAttached looks uninitialized, test did not expect to
+		// call DiskIsAttached
+		testcase.t.Errorf("Unexpected DiskIsAttached call!")
+		return false, errors.New("Unexpected DiskIsAttached call!")
+	}
+
+	if expected.diskName != diskName {
+		testcase.t.Errorf("Unexpected DiskIsAttached call: expected diskName %s, got %s", expected.diskName, diskName)
+		return false, errors.New("Unexpected DiskIsAttached call: wrong diskName")
+	}
+
+	if expected.instanceID != instanceID {
+		testcase.t.Errorf("Unexpected DiskIsAttached call: expected instanceID %s, got %s", expected.instanceID, instanceID)
+		return false, errors.New("Unexpected DiskIsAttached call: wrong instanceID")
+	}
+
+	glog.V(4).Infof("DiskIsAttached call: %s, %s, returning %v, %v", diskName, instanceID, expected.isAttached, expected.ret)
+
+	return expected.isAttached, expected.ret
+}
+
+func (testcase *testcase) GetAttachmentDiskPath(instanceID string, diskName string) (string, error) {
+	expected := &testcase.diskPath
+	if expected.diskName == "" && expected.instanceID == "" {
+		// testcase.diskPath looks uninitialized, test did not expect to
+		// call GetAttachmentDiskPath
+		testcase.t.Errorf("Unexpected GetAttachmentDiskPath call!")
+		return "", errors.New("Unexpected GetAttachmentDiskPath call!")
+	}
+
+	if expected.diskName != diskName {
+		testcase.t.Errorf("Unexpected GetAttachmentDiskPath call: expected diskName %s, got %s", expected.diskName, diskName)
+		return "", errors.New("Unexpected GetAttachmentDiskPath call: wrong diskName")
+	}
+
+	if expected.instanceID != instanceID {
+		testcase.t.Errorf("Unexpected GetAttachmentDiskPath call: expected instanceID %s, got %s", expected.instanceID, instanceID)
+		return "", errors.New("Unexpected GetAttachmentDiskPath call: wrong instanceID")
+	}
+
+	glog.V(4).Infof("GetAttachmentDiskPath call: %s, %s, returning %v, %v", diskName, instanceID, expected.retPath, expected.ret)
+
+	return expected.retPath, expected.ret
+}
+
+func (testcase *testcase) ShouldTrustDevicePath() bool {
+	return true
+}
+
+func (testcase *testcase) CreateVolume(name string, size int, vtype, availability string, tags *map[string]string) (volumeName string, err error) {
+	return "", errors.New("Not implemented")
+}
+
+func (testcase *testcase) GetDevicePath(diskId string) string {
+	return ""
+}
+
+func (testcase *testcase) InstanceID() (string, error) {
+	return testcase.instanceID, nil
+}
+
+func (testcase *testcase) DeleteVolume(volumeName string) error {
+	return errors.New("Not implemented")
+}
+
+func (testcase *testcase) GetAutoLabelsForPD(name string) (map[string]string, error) {
+	return map[string]string{}, errors.New("Not implemented")
+}
+
+func (testcase *testcase) Instances() (cloudprovider.Instances, bool) {
+	return &instances{testcase.instanceID}, true
+}
+
+func (testcase *testcase) DisksAreAttached(diskNames []string, nodeName string) (map[string]bool, error) {
+	return nil, errors.New("Not implemented")
+}
+
+// Implementation of fake cloudprovider.Instances
+type instances struct {
+	instanceID string
+}
+
+func (instances *instances) NodeAddresses(name types.NodeName) ([]v1.NodeAddress, error) {
+	return []v1.NodeAddress{}, errors.New("Not implemented")
+}
+
+func (instances *instances) ExternalID(name types.NodeName) (string, error) {
+	return "", errors.New("Not implemented")
+}
+
+func (instances *instances) InstanceID(name types.NodeName) (string, error) {
+	return instances.instanceID, nil
+}
+
+func (instances *instances) InstanceType(name types.NodeName) (string, error) {
+	return "", errors.New("Not implemented")
+}
+
+func (instances *instances) List(filter string) ([]types.NodeName, error) {
+	return []types.NodeName{}, errors.New("Not implemented")
+}
+
+func (instances *instances) AddSSHKeyToAllInstances(user string, keyData []byte) error {
+	return errors.New("Not implemented")
+}
+
+func (instances *instances) CurrentNodeName(hostname string) (types.NodeName, error) {
+	return "", errors.New("Not implemented")
+}

vendor/k8s.io/kubernetes/pkg/volume/cinder/cinder_test.go

@@ -0,0 +1,229 @@
+/*
+Copyright 2015 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package cinder
+
+import (
+	"fmt"
+	"os"
+	"path"
+	"testing"
+	"time"
+
+	"k8s.io/kubernetes/pkg/api/v1"
+	"k8s.io/kubernetes/pkg/types"
+	"k8s.io/kubernetes/pkg/util/mount"
+	utiltesting "k8s.io/kubernetes/pkg/util/testing"
+	"k8s.io/kubernetes/pkg/volume"
+	volumetest "k8s.io/kubernetes/pkg/volume/testing"
+)
+
+func TestCanSupport(t *testing.T) {
+	tmpDir, err := utiltesting.MkTmpdir("cinderTest")
+	if err != nil {
+		t.Fatalf("can't make a temp dir: %v", err)
+	}
+	defer os.RemoveAll(tmpDir)
+	plugMgr := volume.VolumePluginMgr{}
+	plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
+
+	plug, err := plugMgr.FindPluginByName("kubernetes.io/cinder")
+	if err != nil {
+		t.Errorf("Can't find the plugin by name")
+	}
+	if plug.GetPluginName() != "kubernetes.io/cinder" {
+		t.Errorf("Wrong name: %s", plug.GetPluginName())
+	}
+	if !plug.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{Cinder: &v1.CinderVolumeSource{}}}}) {
+		t.Errorf("Expected true")
+	}
+
+	if !plug.CanSupport(&volume.Spec{PersistentVolume: &v1.PersistentVolume{Spec: v1.PersistentVolumeSpec{PersistentVolumeSource: v1.PersistentVolumeSource{Cinder: &v1.CinderVolumeSource{}}}}}) {
+		t.Errorf("Expected true")
+	}
+}
+
+type fakePDManager struct {
+	// How long should AttachDisk/DetachDisk take - we need slower AttachDisk in a test.
+	attachDetachDuration time.Duration
+}
+
+func getFakeDeviceName(host volume.VolumeHost, pdName string) string {
+	return path.Join(host.GetPluginDir(cinderVolumePluginName), "device", pdName)
+}
+
+// Real Cinder AttachDisk attaches a cinder volume. If it is not yet mounted,
+// it mounts it to globalPDPath.
+// We create a dummy directory (="device") and bind-mount it to globalPDPath
+func (fake *fakePDManager) AttachDisk(b *cinderVolumeMounter, globalPDPath string) error {
+	globalPath := makeGlobalPDName(b.plugin.host, b.pdName)
+	fakeDeviceName := getFakeDeviceName(b.plugin.host, b.pdName)
+	err := os.MkdirAll(fakeDeviceName, 0750)
+	if err != nil {
+		return err
+	}
+	// Attaching a Cinder volume can be slow...
+	time.Sleep(fake.attachDetachDuration)
+
+	// The volume is "attached", bind-mount it if it's not mounted yet.
+	notmnt, err := b.mounter.IsLikelyNotMountPoint(globalPath)
+	if err != nil {
+		if os.IsNotExist(err) {
+			if err := os.MkdirAll(globalPath, 0750); err != nil {
+				return err
+			}
+			notmnt = true
+		} else {
+			return err
+		}
+	}
+	if notmnt {
+		err = b.mounter.Mount(fakeDeviceName, globalPath, "", []string{"bind"})
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (fake *fakePDManager) DetachDisk(c *cinderVolumeUnmounter) error {
+	globalPath := makeGlobalPDName(c.plugin.host, c.pdName)
+	fakeDeviceName := getFakeDeviceName(c.plugin.host, c.pdName)
+	// unmount the bind-mount - should be fast
+	err := c.mounter.Unmount(globalPath)
+	if err != nil {
+		return err
+	}
+
+	// "Detach" the fake "device"
+	err = os.RemoveAll(fakeDeviceName)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (fake *fakePDManager) CreateVolume(c *cinderVolumeProvisioner) (volumeID string, volumeSizeGB int, err error) {
+	return "test-volume-name", 1, nil
+}
+
+func (fake *fakePDManager) DeleteVolume(cd *cinderVolumeDeleter) error {
+	if cd.pdName != "test-volume-name" {
+		return fmt.Errorf("Deleter got unexpected volume name: %s", cd.pdName)
+	}
+	return nil
+}
+
+func TestPlugin(t *testing.T) {
+	tmpDir, err := utiltesting.MkTmpdir("cinderTest")
+	if err != nil {
+		t.Fatalf("can't make a temp dir: %v", err)
+	}
+	defer os.RemoveAll(tmpDir)
+	plugMgr := volume.VolumePluginMgr{}
+	plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
+
+	plug, err := plugMgr.FindPluginByName("kubernetes.io/cinder")
+	if err != nil {
+		t.Errorf("Can't find the plugin by name")
+	}
+	spec := &v1.Volume{
+		Name: "vol1",
+		VolumeSource: v1.VolumeSource{
+			Cinder: &v1.CinderVolumeSource{
+				VolumeID: "pd",
+				FSType:   "ext4",
+			},
+		},
+	}
+	mounter, err := plug.(*cinderPlugin).newMounterInternal(volume.NewSpecFromVolume(spec), types.UID("poduid"), &fakePDManager{0}, &mount.FakeMounter{})
+	if err != nil {
+		t.Errorf("Failed to make a new Mounter: %v", err)
+	}
+	if mounter == nil {
+		t.Errorf("Got a nil Mounter")
+	}
+	volPath := path.Join(tmpDir, "pods/poduid/volumes/kubernetes.io~cinder/vol1")
+	path := mounter.GetPath()
+	if path != volPath {
+		t.Errorf("Got unexpected path: %s", path)
+	}
+
+	if err := mounter.SetUp(nil); err != nil {
+		t.Errorf("Expected success, got: %v", err)
+	}
+	if _, err := os.Stat(path); err != nil {
+		if os.IsNotExist(err) {
+			t.Errorf("SetUp() failed, volume path not created: %s", path)
+		} else {
+			t.Errorf("SetUp() failed: %v", err)
+		}
+	}
+	if _, err := os.Stat(path); err != nil {
+		if os.IsNotExist(err) {
+			t.Errorf("SetUp() failed, volume path not created: %s", path)
+		} else {
+			t.Errorf("SetUp() failed: %v", err)
+		}
+	}
+
+	unmounter, err := plug.(*cinderPlugin).newUnmounterInternal("vol1", types.UID("poduid"), &fakePDManager{0}, &mount.FakeMounter{})
+	if err != nil {
+		t.Errorf("Failed to make a new Unmounter: %v", err)
+	}
+	if unmounter == nil {
+		t.Errorf("Got a nil Unmounter")
+	}
+
+	if err := unmounter.TearDown(); err != nil {
+		t.Errorf("Expected success, got: %v", err)
+	}
+	if _, err := os.Stat(path); err == nil {
+		t.Errorf("TearDown() failed, volume path still exists: %s", path)
+	} else if !os.IsNotExist(err) {
+		t.Errorf("SetUp() failed: %v", err)
+	}
+
+	// Test Provisioner
+	options := volume.VolumeOptions{
+		PVC: volumetest.CreateTestPVC("100Mi", []v1.PersistentVolumeAccessMode{v1.ReadWriteOnce}),
+		PersistentVolumeReclaimPolicy: v1.PersistentVolumeReclaimDelete,
+	}
+	provisioner, err := plug.(*cinderPlugin).newProvisionerInternal(options, &fakePDManager{0})
+	persistentSpec, err := provisioner.Provision()
+	if err != nil {
+		t.Errorf("Provision() failed: %v", err)
+	}
+
+	if persistentSpec.Spec.PersistentVolumeSource.Cinder.VolumeID != "test-volume-name" {
+		t.Errorf("Provision() returned unexpected volume ID: %s", persistentSpec.Spec.PersistentVolumeSource.Cinder.VolumeID)
+	}
+	cap := persistentSpec.Spec.Capacity[v1.ResourceStorage]
+	size := cap.Value()
+	if size != 1024*1024*1024 {
+		t.Errorf("Provision() returned unexpected volume size: %v", size)
+	}
+
+	// Test Deleter
+	volSpec := &volume.Spec{
+		PersistentVolume: persistentSpec,
+	}
+	deleter, err := plug.(*cinderPlugin).newDeleterInternal(volSpec, &fakePDManager{0})
+	err = deleter.Delete()
+	if err != nil {
+		t.Errorf("Deleter() failed: %v", err)
+	}
+}

vendor/k8s.io/kubernetes/pkg/volume/cinder/cinder_util.go

@@ -0,0 +1,187 @@
+/*
+Copyright 2015 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package cinder
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"strings"
+	"time"
+
+	"github.com/golang/glog"
+	"k8s.io/kubernetes/pkg/api/v1"
+	"k8s.io/kubernetes/pkg/util/exec"
+	"k8s.io/kubernetes/pkg/volume"
+)
+
+type CinderDiskUtil struct{}
+
+// Attaches a disk specified by a volume.CinderPersistenDisk to the current kubelet.
+// Mounts the disk to its global path.
+func (util *CinderDiskUtil) AttachDisk(b *cinderVolumeMounter, globalPDPath string) error {
+	options := []string{}
+	if b.readOnly {
+		options = append(options, "ro")
+	}
+	cloud, err := b.plugin.getCloudProvider()
+	if err != nil {
+		return err
+	}
+	instanceid, err := cloud.InstanceID()
+	if err != nil {
+		return err
+	}
+	diskid, err := cloud.AttachDisk(instanceid, b.pdName)
+	if err != nil {
+		return err
+	}
+
+	var devicePath string
+	numTries := 0
+	for {
+		devicePath = cloud.GetDevicePath(diskid)
+		probeAttachedVolume()
+
+		_, err := os.Stat(devicePath)
+		if err == nil {
+			break
+		}
+		if err != nil && !os.IsNotExist(err) {
+			return err
+		}
+		numTries++
+		if numTries == 10 {
+			return errors.New("Could not attach disk: Timeout after 60s")
+		}
+		time.Sleep(time.Second * 6)
+	}
+	notmnt, err := b.mounter.IsLikelyNotMountPoint(globalPDPath)
+	if err != nil {
+		if os.IsNotExist(err) {
+			if err := os.MkdirAll(globalPDPath, 0750); err != nil {
+				return err
+			}
+			notmnt = true
+		} else {
+			return err
+		}
+	}
+	if notmnt {
+		err = b.blockDeviceMounter.FormatAndMount(devicePath, globalPDPath, b.fsType, options)
+		if err != nil {
+			os.Remove(globalPDPath)
+			return err
+		}
+		glog.V(2).Infof("Safe mount successful: %q\n", devicePath)
+	}
+	return nil
+}
+
+// Unmounts the device and detaches the disk from the kubelet's host machine.
+func (util *CinderDiskUtil) DetachDisk(cd *cinderVolumeUnmounter) error {
+	globalPDPath := makeGlobalPDName(cd.plugin.host, cd.pdName)
+	if err := cd.mounter.Unmount(globalPDPath); err != nil {
+		return err
+	}
+	if err := os.Remove(globalPDPath); err != nil {
+		return err
+	}
+	glog.V(2).Infof("Successfully unmounted main device: %s\n", globalPDPath)
+
+	cloud, err := cd.plugin.getCloudProvider()
+	if err != nil {
+		return err
+	}
+	instanceid, err := cloud.InstanceID()
+	if err != nil {
+		return err
+	}
+	if err = cloud.DetachDisk(instanceid, cd.pdName); err != nil {
+		return err
+	}
+	glog.V(2).Infof("Successfully detached cinder volume %s", cd.pdName)
+	return nil
+}
+
+func (util *CinderDiskUtil) DeleteVolume(cd *cinderVolumeDeleter) error {
+	cloud, err := cd.plugin.getCloudProvider()
+	if err != nil {
+		return err
+	}
+
+	if err = cloud.DeleteVolume(cd.pdName); err != nil {
+		// OpenStack cloud provider returns volume.tryAgainError when necessary,
+		// no handling needed here.
+		glog.V(2).Infof("Error deleting cinder volume %s: %v", cd.pdName, err)
+		return err
+	}
+	glog.V(2).Infof("Successfully deleted cinder volume %s", cd.pdName)
+	return nil
+}
+
+func (util *CinderDiskUtil) CreateVolume(c *cinderVolumeProvisioner) (volumeID string, volumeSizeGB int, err error) {
+	cloud, err := c.plugin.getCloudProvider()
+	if err != nil {
+		return "", 0, err
+	}
+
+	capacity := c.options.PVC.Spec.Resources.Requests[v1.ResourceName(v1.ResourceStorage)]
+	volSizeBytes := capacity.Value()
+	// Cinder works with gigabytes, convert to GiB with rounding up
+	volSizeGB := int(volume.RoundUpSize(volSizeBytes, 1024*1024*1024))
+	name := volume.GenerateVolumeName(c.options.ClusterName, c.options.PVName, 255) // Cinder volume name can have up to 255 characters
+	vtype := ""
+	availability := ""
+	// Apply ProvisionerParameters (case-insensitive). We leave validation of
+	// the values to the cloud provider.
+	for k, v := range c.options.Parameters {
+		switch strings.ToLower(k) {
+		case "type":
+			vtype = v
+		case "availability":
+			availability = v
+		default:
+			return "", 0, fmt.Errorf("invalid option %q for volume plugin %s", k, c.plugin.GetPluginName())
+		}
+	}
+	// TODO: implement PVC.Selector parsing
+	if c.options.PVC.Spec.Selector != nil {
+		return "", 0, fmt.Errorf("claim.Spec.Selector is not supported for dynamic provisioning on Cinder")
+	}
+
+	name, err = cloud.CreateVolume(name, volSizeGB, vtype, availability, c.options.CloudTags)
+	if err != nil {
+		glog.V(2).Infof("Error creating cinder volume: %v", err)
+		return "", 0, err
+	}
+	glog.V(2).Infof("Successfully created cinder volume %s", name)
+	return name, volSizeGB, nil
+}
+
+func probeAttachedVolume() error {
+	executor := exec.New()
+	args := []string{"trigger"}
+	cmd := executor.Command("/usr/bin/udevadm", args...)
+	_, err := cmd.CombinedOutput()
+	if err != nil {
+		glog.Errorf("error running udevadm trigger %v\n", err)
+		return err
+	}
+	glog.V(4).Infof("Successfully probed all attachments")
+	return nil
+}

vendor/k8s.io/kubernetes/pkg/volume/cinder/doc.go

@@ -0,0 +1,18 @@
+/*
+Copyright 2015 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Package cinder contains the internal representation of cinder volumes.
+package cinder // import "k8s.io/kubernetes/pkg/volume/cinder"