mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-09-19 23:19:52 +00:00
102 lines
3.1 KiB
Go
102 lines
3.1 KiB
Go
/*
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Copyright 2018 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 cephfs
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import (
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"fmt"
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"github.com/golang/glog"
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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/container-storage-interface/spec/lib/go/csi/v0"
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"github.com/kubernetes-csi/drivers/pkg/csi-common"
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)
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type controllerServer struct {
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*csicommon.DefaultControllerServer
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}
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const (
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oneGB = 1073741824
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)
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func (cs *controllerServer) validateCreateVolumeRequest(req *csi.CreateVolumeRequest) error {
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if err := cs.Driver.ValidateControllerServiceRequest(csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME); err != nil {
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return fmt.Errorf("Invalid CreateVolumeRequest: %v", err)
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}
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if req.GetName() == "" {
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return status.Error(codes.InvalidArgument, "Volume Name cannot be empty")
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}
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if req.GetVolumeCapabilities() == nil {
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return status.Error(codes.InvalidArgument, "Volume Capabilities cannot be empty")
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}
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return nil
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}
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func (cs *controllerServer) validateDeleteVolumeRequest(req *csi.DeleteVolumeRequest) error {
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if err := cs.Driver.ValidateControllerServiceRequest(csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME); err != nil {
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return fmt.Errorf("Invalid DeleteVolumeRequest: %v", err)
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}
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return nil
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}
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func (cs *controllerServer) CreateVolume(ctx context.Context, req *csi.CreateVolumeRequest) (*csi.CreateVolumeResponse, error) {
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if err := cs.validateCreateVolumeRequest(req); err != nil {
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glog.Errorf("CreateVolumeRequest validation failed: %v", err)
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return nil, err
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}
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volOptions, err := newVolumeOptions(req.GetParameters())
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if err != nil {
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glog.Errorf("error reading volume options: %v", err)
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return nil, status.Error(codes.InvalidArgument, err.Error())
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}
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volId := newVolumeIdentifier(volOptions, req)
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glog.V(4).Infof("cephfs: volume %s successfuly created", volId.id)
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return &csi.CreateVolumeResponse{
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Volume: &csi.Volume{
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Id: volId.id,
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CapacityBytes: req.GetCapacityRange().GetRequiredBytes(),
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Attributes: req.GetParameters(),
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},
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}, nil
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}
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func (cs *controllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVolumeRequest) (*csi.DeleteVolumeResponse, error) {
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if err := cs.validateDeleteVolumeRequest(req); err != nil {
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glog.Errorf("DeleteVolumeRequest validation failed: %v", err)
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return nil, err
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}
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// TODO
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return &csi.DeleteVolumeResponse{}, 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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return &csi.ValidateVolumeCapabilitiesResponse{Supported: true}, nil
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}
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