mirror of
https://github.com/ceph/ceph-csi.git
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102 lines
3.2 KiB
Go
102 lines
3.2 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 flexadapter
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import (
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"fmt"
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"github.com/container-storage-interface/spec/lib/go/csi"
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"golang.org/x/net/context"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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"github.com/kubernetes-csi/drivers/pkg/csi-common"
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)
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const (
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deviceID = "deviceID"
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)
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type controllerServer struct {
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flexDriver *flexVolumeDriver
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*csicommon.DefaultControllerServer
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}
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func GetVersionString(ver *csi.Version) string {
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return fmt.Sprintf("%d.%d.%d", ver.Major, ver.Minor, ver.Patch)
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}
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func (cs *controllerServer) ControllerPublishVolume(ctx context.Context, req *csi.ControllerPublishVolumeRequest) (*csi.ControllerPublishVolumeResponse, error) {
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if err := cs.Driver.ValidateControllerServiceRequest(req.Version, csi.ControllerServiceCapability_RPC_PUBLISH_UNPUBLISH_VOLUME); err != nil {
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return nil, err
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}
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cap := req.GetVolumeCapability()
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fsType := "ext4"
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if cap != nil {
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mount := req.GetVolumeCapability().GetMount()
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fsType = mount.FsType
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}
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call := cs.flexDriver.NewDriverCall(attachCmd)
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call.AppendSpec(req.GetVolumeId(), fsType, req.GetReadonly(), req.GetVolumeAttributes())
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call.Append(req.GetNodeId())
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callStatus, err := call.Run()
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if isCmdNotSupportedErr(err) {
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return nil, status.Error(codes.Unimplemented, "")
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} else if err != nil {
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return nil, status.Error(codes.Internal, err.Error())
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}
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pvInfo := map[string]string{}
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pvInfo[deviceID] = callStatus.DevicePath
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return &csi.ControllerPublishVolumeResponse{
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PublishInfo: pvInfo,
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}, nil
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}
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func (cs *controllerServer) ControllerUnpublishVolume(ctx context.Context, req *csi.ControllerUnpublishVolumeRequest) (*csi.ControllerUnpublishVolumeResponse, error) {
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if err := cs.Driver.ValidateControllerServiceRequest(req.Version, csi.ControllerServiceCapability_RPC_PUBLISH_UNPUBLISH_VOLUME); err != nil {
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return nil, err
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}
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call := cs.flexDriver.NewDriverCall(detachCmd)
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call.Append(req.GetVolumeId())
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call.Append(req.GetNodeId())
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_, err := call.Run()
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if isCmdNotSupportedErr(err) {
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return nil, status.Error(codes.Unimplemented, "")
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} else if err != nil {
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return nil, status.Error(codes.Internal, err.Error())
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}
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return &csi.ControllerUnpublishVolumeResponse{}, nil
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}
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func (cs *controllerServer) ValidateVolumeCapabilities(ctx context.Context, req *csi.ValidateVolumeCapabilitiesRequest) (*csi.ValidateVolumeCapabilitiesResponse, error) {
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for _, cap := range req.VolumeCapabilities {
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if cap.GetAccessMode().GetMode() != csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER {
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return &csi.ValidateVolumeCapabilitiesResponse{Supported: false, Message: ""}, nil
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}
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}
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return &csi.ValidateVolumeCapabilitiesResponse{Supported: true, Message: ""}, nil
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}
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