vendor files

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

@@ -0,0 +1,95 @@
+/*
+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 flexadapter
+
+import (
+	"fmt"
+
+	"github.com/container-storage-interface/spec/lib/go/csi"
+	"golang.org/x/net/context"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+
+	"github.com/kubernetes-csi/drivers/pkg/csi-common"
+)
+
+const (
+	deviceID = "deviceID"
+)
+
+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) ControllerPublishVolume(ctx context.Context, req *csi.ControllerPublishVolumeRequest) (*csi.ControllerPublishVolumeResponse, error) {
+	if err := cs.Driver.ValidateControllerServiceRequest(req.Version, csi.ControllerServiceCapability_RPC_PUBLISH_UNPUBLISH_VOLUME); err != nil {
+		return nil, err
+	}
+
+	call := GetFlexAdapter().flexDriver.NewDriverCall(attachCmd)
+
+	fsType := req.GetVolumeCapability().GetMount().FsType
+	call.AppendSpec(req.GetVolumeId(), fsType, req.GetReadonly(), req.GetVolumeAttributes())
+	call.Append(req.GetNodeId())
+
+	callStatus, err := call.Run()
+	if isCmdNotSupportedErr(err) {
+		return nil, status.Error(codes.Unimplemented, "")
+	} else if err != nil {
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+
+	pvInfo := map[string]string{}
+
+	pvInfo[deviceID] = callStatus.DevicePath
+
+	return &csi.ControllerPublishVolumeResponse{
+		PublishVolumeInfo: pvInfo,
+	}, nil
+}
+
+func (cs *controllerServer) ControllerUnpublishVolume(ctx context.Context, req *csi.ControllerUnpublishVolumeRequest) (*csi.ControllerUnpublishVolumeResponse, error) {
+	if err := cs.Driver.ValidateControllerServiceRequest(req.Version, csi.ControllerServiceCapability_RPC_PUBLISH_UNPUBLISH_VOLUME); err != nil {
+		return nil, err
+	}
+
+	call := GetFlexAdapter().flexDriver.NewDriverCall(detachCmd)
+	call.Append(req.GetVolumeId())
+	call.Append(req.GetNodeId())
+
+	_, err := call.Run()
+	if isCmdNotSupportedErr(err) {
+		return nil, status.Error(codes.Unimplemented, "")
+	} else if err != nil {
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+
+	return &csi.ControllerUnpublishVolumeResponse{}, 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
+}