106 lines
3.0 KiB
Go
106 lines
3.0 KiB
Go
package driver
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import (
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"context"
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"fmt"
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"os"
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"strings"
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"github.com/golang/glog"
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"github.com/container-storage-interface/spec/lib/go/csi"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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"k8s.io/utils/mount"
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)
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type NodeServer struct {
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Driver *SeaweedFsDriver
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mounter mount.Interface
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}
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var _ = csi.NodeServer(&NodeServer{})
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func (ns *NodeServer) NodePublishVolume(ctx context.Context, req *csi.NodePublishVolumeRequest) (*csi.NodePublishVolumeResponse, error) {
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// mount the fs here
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targetPath := req.GetTargetPath()
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mo := req.GetVolumeCapability().GetMount().GetMountFlags()
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if req.GetReadonly() {
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mo = append(mo, "ro")
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}
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source := fmt.Sprintf("%s%s", ns.Driver.filer, ns.Driver.pathOnFiler)
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err := ns.Driver.mount(source, targetPath)
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if err != nil {
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if os.IsPermission(err) {
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return nil, status.Error(codes.PermissionDenied, err.Error())
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}
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if strings.Contains(err.Error(), "invalid argument") {
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return nil, status.Error(codes.InvalidArgument, err.Error())
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}
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return nil, status.Error(codes.Internal, err.Error())
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}
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return &csi.NodePublishVolumeResponse{}, nil
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}
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func (ns *NodeServer) NodeUnpublishVolume(ctx context.Context, req *csi.NodeUnpublishVolumeRequest) (*csi.NodeUnpublishVolumeResponse, error) {
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targetPath := req.GetTargetPath()
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err := ns.Driver.unmount(targetPath)
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if err != nil {
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return nil, status.Error(codes.Internal, err.Error())
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}
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err = os.Remove(targetPath)
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if err != nil && !os.IsNotExist(err) {
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return nil, status.Error(codes.Internal, err.Error())
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}
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return &csi.NodeUnpublishVolumeResponse{}, nil
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}
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func (ns *NodeServer) NodeGetInfo(ctx context.Context, req *csi.NodeGetInfoRequest) (*csi.NodeGetInfoResponse, error) {
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glog.V(5).Infof("Using default NodeGetInfo")
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return &csi.NodeGetInfoResponse{
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NodeId: ns.Driver.nodeID,
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}, nil
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}
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func (ns *NodeServer) NodeGetCapabilities(ctx context.Context, req *csi.NodeGetCapabilitiesRequest) (*csi.NodeGetCapabilitiesResponse, error) {
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glog.V(5).Infof("Using default NodeGetCapabilities")
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return &csi.NodeGetCapabilitiesResponse{
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Capabilities: []*csi.NodeServiceCapability{
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{
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Type: &csi.NodeServiceCapability_Rpc{
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Rpc: &csi.NodeServiceCapability_RPC{
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Type: csi.NodeServiceCapability_RPC_UNKNOWN,
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},
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},
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},
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},
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}, nil
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}
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func (ns *NodeServer) NodeGetVolumeStats(ctx context.Context, in *csi.NodeGetVolumeStatsRequest) (*csi.NodeGetVolumeStatsResponse, error) {
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return nil, status.Error(codes.Unimplemented, "")
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}
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func (ns *NodeServer) NodeUnstageVolume(ctx context.Context, req *csi.NodeUnstageVolumeRequest) (*csi.NodeUnstageVolumeResponse, error) {
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return &csi.NodeUnstageVolumeResponse{}, nil
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}
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func (ns *NodeServer) NodeStageVolume(ctx context.Context, req *csi.NodeStageVolumeRequest) (*csi.NodeStageVolumeResponse, error) {
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return &csi.NodeStageVolumeResponse{}, nil
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}
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func (ns *NodeServer) NodeExpandVolume(ctx context.Context, req *csi.NodeExpandVolumeRequest) (*csi.NodeExpandVolumeResponse, error) {
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return nil, status.Error(codes.Unimplemented, "")
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}
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