vendor files

vendor/k8s.io/kubernetes/pkg/volume/flexvolume/util.go

@@ -0,0 +1,101 @@
+/*
+Copyright 2017 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 flexvolume
+
+import (
+	"encoding/base64"
+	"fmt"
+	"os"
+
+	"github.com/golang/glog"
+	api "k8s.io/api/core/v1"
+	"k8s.io/kubernetes/pkg/util/mount"
+	"k8s.io/kubernetes/pkg/volume"
+	"k8s.io/kubernetes/pkg/volume/util"
+)
+
+func addSecretsToOptions(options map[string]string, spec *volume.Spec, namespace string, driverName string, host volume.VolumeHost) error {
+	fv, _ := getVolumeSource(spec)
+	if fv.SecretRef == nil {
+		return nil
+	}
+
+	kubeClient := host.GetKubeClient()
+	if kubeClient == nil {
+		return fmt.Errorf("Cannot get kube client")
+	}
+
+	secrets, err := util.GetSecretForPV(namespace, fv.SecretRef.Name, driverName, host.GetKubeClient())
+	if err != nil {
+		err = fmt.Errorf("Couldn't get secret %v/%v err: %v", namespace, fv.SecretRef.Name, err)
+		return err
+	}
+	for name, data := range secrets {
+		options[optionKeySecret+"/"+name] = base64.StdEncoding.EncodeToString([]byte(data))
+		glog.V(1).Infof("found flex volume secret info: %s", name)
+	}
+
+	return nil
+}
+
+func getVolumeSource(spec *volume.Spec) (volumeSource *api.FlexVolumeSource, readOnly bool) {
+	if spec.Volume != nil && spec.Volume.FlexVolume != nil {
+		volumeSource = spec.Volume.FlexVolume
+		readOnly = volumeSource.ReadOnly
+	} else if spec.PersistentVolume != nil {
+		volumeSource = spec.PersistentVolume.Spec.FlexVolume
+		readOnly = spec.ReadOnly
+	}
+	return
+}
+
+func prepareForMount(mounter mount.Interface, deviceMountPath string) (bool, error) {
+
+	notMnt, err := mounter.IsLikelyNotMountPoint(deviceMountPath)
+	if err != nil {
+		if os.IsNotExist(err) {
+			if err := os.MkdirAll(deviceMountPath, 0750); err != nil {
+				return false, err
+			}
+			notMnt = true
+		} else {
+			return false, err
+		}
+	}
+
+	return !notMnt, nil
+}
+
+// Mounts the device at the given path.
+// It is expected that prepareForMount has been called before.
+func doMount(mounter mount.Interface, devicePath, deviceMountPath, fsType string, options []string) error {
+	err := mounter.Mount(devicePath, deviceMountPath, fsType, options)
+	if err != nil {
+		glog.Errorf("Failed to mount the volume at %s, device: %s, error: %s", deviceMountPath, devicePath, err.Error())
+		return err
+	}
+	return nil
+}
+
+func isNotMounted(mounter mount.Interface, deviceMountPath string) (bool, error) {
+	notmnt, err := mounter.IsLikelyNotMountPoint(deviceMountPath)
+	if err != nil {
+		glog.Errorf("Error checking mount point %s, error: %v", deviceMountPath, err)
+		return false, err
+	}
+	return notmnt, nil
+}