vendor files

vendor/github.com/kubernetes-csi/drivers/pkg/cinder/nodeserver.go

@@ -0,0 +1,132 @@
+/*
+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 cinder
+
+import (
+	"github.com/container-storage-interface/spec/lib/go/csi"
+	"github.com/golang/glog"
+	"golang.org/x/net/context"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+
+	"github.com/kubernetes-csi/drivers/pkg/cinder/mount"
+	csicommon "github.com/kubernetes-csi/drivers/pkg/csi-common"
+)
+
+type nodeServer struct {
+	*csicommon.DefaultNodeServer
+}
+
+func (ns *nodeServer) GetNodeID(ctx context.Context, req *csi.GetNodeIDRequest) (*csi.GetNodeIDResponse, error) {
+
+	// Get Mount Provider
+	m, err := mount.GetMountProvider()
+	if err != nil {
+		glog.V(3).Infof("Failed to GetMountProvider: %v", err)
+		return nil, err
+	}
+
+	nodeID, err := m.GetInstanceID()
+	if err != nil {
+		glog.V(3).Infof("Failed to GetInstanceID: %v", err)
+		return nil, err
+	}
+
+	if len(nodeID) > 0 {
+		return &csi.GetNodeIDResponse{
+			NodeId: nodeID,
+		}, nil
+	}
+
+	// Using default function
+	return ns.DefaultNodeServer.GetNodeID(ctx, req)
+}
+
+func (ns *nodeServer) NodePublishVolume(ctx context.Context, req *csi.NodePublishVolumeRequest) (*csi.NodePublishVolumeResponse, error) {
+
+	targetPath := req.GetTargetPath()
+	fsType := req.GetVolumeCapability().GetMount().GetFsType()
+	devicePath := req.GetPublishVolumeInfo()["DevicePath"]
+
+	// Get Mount Provider
+	m, err := mount.GetMountProvider()
+	if err != nil {
+		glog.V(3).Infof("Failed to GetMountProvider: %v", err)
+		return nil, err
+	}
+
+	// Device Scan
+	err = m.ScanForAttach(devicePath)
+	if err != nil {
+		glog.V(3).Infof("Failed to ScanForAttach: %v", err)
+		return nil, err
+	}
+
+	// Verify whether mounted
+	notMnt, err := m.IsLikelyNotMountPointAttach(targetPath)
+	if err != nil {
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+
+	// Volume Mount
+	if notMnt {
+		// Get Options
+		var options []string
+		if req.GetReadonly() {
+			options = append(options, "ro")
+		} else {
+			options = append(options, "rw")
+		}
+		mountFlags := req.GetVolumeCapability().GetMount().GetMountFlags()
+		options = append(options, mountFlags...)
+
+		// Mount
+		err = m.FormatAndMount(devicePath, targetPath, fsType, options)
+		if err != nil {
+			return nil, status.Error(codes.Internal, err.Error())
+		}
+	}
+
+	return &csi.NodePublishVolumeResponse{}, nil
+}
+
+func (ns *nodeServer) NodeUnpublishVolume(ctx context.Context, req *csi.NodeUnpublishVolumeRequest) (*csi.NodeUnpublishVolumeResponse, error) {
+
+	targetPath := req.GetTargetPath()
+
+	// Get Mount Provider
+	m, err := mount.GetMountProvider()
+	if err != nil {
+		glog.V(3).Infof("Failed to GetMountProvider: %v", err)
+		return nil, err
+	}
+
+	notMnt, err := m.IsLikelyNotMountPointDetach(targetPath)
+	if err != nil {
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+	if notMnt {
+		return nil, status.Error(codes.NotFound, "Volume not mounted")
+	}
+
+	err = m.UnmountPath(req.GetTargetPath())
+	if err != nil {
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+
+	return &csi.NodeUnpublishVolumeResponse{}, nil
+}