vendor files

vendor/github.com/kubernetes-csi/drivers/pkg/hostpath/controllerserver.go

@@ -0,0 +1,84 @@
+/*
+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 hostpath
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/golang/glog"
+	"github.com/pborman/uuid"
+	"golang.org/x/net/context"
+
+	"github.com/container-storage-interface/spec/lib/go/csi"
+	"github.com/kubernetes-csi/drivers/pkg/csi-common"
+)
+
+const (
+	deviceID      = "deviceID"
+	provisionRoot = "/tmp/"
+)
+
+type controllerServer struct {
+	*csicommon.DefaultControllerServer
+}
+
+func GetVersionString(ver *csi.Version) string {
+	return fmt.Sprintf("%d.%d.%d", ver.Major, ver.Minor, ver.Patch)
+}
+
+func (cs *controllerServer) CreateVolume(ctx context.Context, req *csi.CreateVolumeRequest) (*csi.CreateVolumeResponse, error) {
+	if err := cs.Driver.ValidateControllerServiceRequest(req.Version, csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME); err != nil {
+		glog.V(3).Infof("invalid create volume req: %v", req)
+		return nil, err
+	}
+	volumeId := uuid.NewUUID().String()
+	path := provisionRoot + volumeId
+	err := os.MkdirAll(path, 0777)
+	if err != nil {
+		glog.V(3).Infof("failed to create volume: %v", err)
+		return nil, err
+	}
+	glog.V(4).Infof("create volume %s", path)
+	return &csi.CreateVolumeResponse{
+		VolumeInfo: &csi.VolumeInfo{
+			Id: volumeId,
+		},
+	}, nil
+}
+
+func (cs *controllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVolumeRequest) (*csi.DeleteVolumeResponse, error) {
+	if err := cs.Driver.ValidateControllerServiceRequest(req.Version, csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME); err != nil {
+		glog.V(3).Infof("invalid delete volume req: %v", req)
+		return nil, err
+	}
+	volumeId := req.VolumeId
+	glog.V(4).Infof("deleting volume %s", volumeId)
+	path := provisionRoot + volumeId
+	os.RemoveAll(path)
+
+	return &csi.DeleteVolumeResponse{}, nil
+}
+
+func (cs *controllerServer) ValidateVolumeCapabilities(ctx context.Context, req *csi.ValidateVolumeCapabilitiesRequest) (*csi.ValidateVolumeCapabilitiesResponse, error) {
+	for _, cap := range req.VolumeCapabilities {
+		if cap.GetAccessMode().GetMode() != csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER {
+			return &csi.ValidateVolumeCapabilitiesResponse{Supported: false, Message: ""}, nil
+		}
+	}
+	return &csi.ValidateVolumeCapabilitiesResponse{Supported: true, Message: ""}, nil
+}