mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-10 08:20:23 +00:00
102 lines
2.9 KiB
Go
102 lines
2.9 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package flexvolume
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import (
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"encoding/base64"
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"fmt"
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"os"
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"github.com/golang/glog"
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api "k8s.io/api/core/v1"
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"k8s.io/kubernetes/pkg/util/mount"
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"k8s.io/kubernetes/pkg/volume"
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"k8s.io/kubernetes/pkg/volume/util"
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)
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func addSecretsToOptions(options map[string]string, spec *volume.Spec, namespace string, driverName string, host volume.VolumeHost) error {
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fv, _ := getVolumeSource(spec)
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if fv.SecretRef == nil {
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return nil
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}
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kubeClient := host.GetKubeClient()
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if kubeClient == nil {
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return fmt.Errorf("Cannot get kube client")
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}
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secrets, err := util.GetSecretForPV(namespace, fv.SecretRef.Name, driverName, host.GetKubeClient())
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if err != nil {
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err = fmt.Errorf("Couldn't get secret %v/%v err: %v", namespace, fv.SecretRef.Name, err)
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return err
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}
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for name, data := range secrets {
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options[optionKeySecret+"/"+name] = base64.StdEncoding.EncodeToString([]byte(data))
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glog.V(1).Infof("found flex volume secret info: %s", name)
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}
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return nil
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}
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func getVolumeSource(spec *volume.Spec) (volumeSource *api.FlexVolumeSource, readOnly bool) {
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if spec.Volume != nil && spec.Volume.FlexVolume != nil {
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volumeSource = spec.Volume.FlexVolume
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readOnly = volumeSource.ReadOnly
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} else if spec.PersistentVolume != nil {
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volumeSource = spec.PersistentVolume.Spec.FlexVolume
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readOnly = spec.ReadOnly
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}
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return
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}
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func prepareForMount(mounter mount.Interface, deviceMountPath string) (bool, error) {
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notMnt, err := mounter.IsLikelyNotMountPoint(deviceMountPath)
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if err != nil {
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if os.IsNotExist(err) {
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if err := os.MkdirAll(deviceMountPath, 0750); err != nil {
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return false, err
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}
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notMnt = true
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} else {
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return false, err
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}
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}
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return !notMnt, nil
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}
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// Mounts the device at the given path.
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// It is expected that prepareForMount has been called before.
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func doMount(mounter mount.Interface, devicePath, deviceMountPath, fsType string, options []string) error {
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err := mounter.Mount(devicePath, deviceMountPath, fsType, options)
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if err != nil {
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glog.Errorf("Failed to mount the volume at %s, device: %s, error: %s", deviceMountPath, devicePath, err.Error())
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return err
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}
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return nil
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}
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func isNotMounted(mounter mount.Interface, deviceMountPath string) (bool, error) {
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notmnt, err := mounter.IsLikelyNotMountPoint(deviceMountPath)
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if err != nil {
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glog.Errorf("Error checking mount point %s, error: %v", deviceMountPath, err)
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return false, err
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}
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return notmnt, nil
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}
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