vendor files

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

@@ -0,0 +1,110 @@
+/*
+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 (
+	"os"
+	"strconv"
+
+	"k8s.io/kubernetes/pkg/volume"
+	"k8s.io/utils/exec"
+)
+
+// FlexVolumeMounter is the disk that will be exposed by this plugin.
+type flexVolumeMounter struct {
+	*flexVolume
+	// Runner used to setup the volume.
+	runner exec.Interface
+	// the considered volume spec
+	spec     *volume.Spec
+	readOnly bool
+	volume.MetricsNil
+}
+
+var _ volume.Mounter = &flexVolumeMounter{}
+
+// Mounter interface
+
+// SetUp creates new directory.
+func (f *flexVolumeMounter) SetUp(fsGroup *int64) error {
+	return f.SetUpAt(f.GetPath(), fsGroup)
+}
+
+// SetUpAt creates new directory.
+func (f *flexVolumeMounter) SetUpAt(dir string, fsGroup *int64) error {
+	// Mount only once.
+	alreadyMounted, err := prepareForMount(f.mounter, dir)
+	if err != nil {
+		return err
+	}
+	if alreadyMounted {
+		return nil
+	}
+
+	call := f.plugin.NewDriverCall(mountCmd)
+
+	// Interface parameters
+	call.Append(dir)
+
+	extraOptions := make(map[string]string)
+
+	// pod metadata
+	extraOptions[optionKeyPodName] = f.podName
+	extraOptions[optionKeyPodNamespace] = f.podNamespace
+	extraOptions[optionKeyPodUID] = string(f.podUID)
+	// service account metadata
+	extraOptions[optionKeyServiceAccountName] = f.podServiceAccountName
+
+	// Extract secret and pass it as options.
+	if err := addSecretsToOptions(extraOptions, f.spec, f.podNamespace, f.driverName, f.plugin.host); err != nil {
+		os.Remove(dir)
+		return err
+	}
+
+	// Implicit parameters
+	if fsGroup != nil {
+		extraOptions[optionFSGroup] = strconv.FormatInt(int64(*fsGroup), 10)
+	}
+
+	call.AppendSpec(f.spec, f.plugin.host, extraOptions)
+
+	_, err = call.Run()
+	if isCmdNotSupportedErr(err) {
+		err = (*mounterDefaults)(f).SetUpAt(dir, fsGroup)
+	}
+
+	if err != nil {
+		os.Remove(dir)
+		return err
+	}
+
+	if !f.readOnly {
+		volume.SetVolumeOwnership(f, fsGroup)
+	}
+
+	return nil
+}
+
+// GetAttributes get the flex volume attributes. The attributes will be queried
+// using plugin callout after we finalize the callout syntax.
+func (f *flexVolumeMounter) GetAttributes() volume.Attributes {
+	return (*mounterDefaults)(f).GetAttributes()
+}
+
+func (f *flexVolumeMounter) CanMount() error {
+	return nil
+}