cleanup: move cephfs csi spec validation to validator

moved the cephfs related validation like
validating the input parameters sent in the
GRPC request to a new file.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna 2021-09-06 17:48:53 +05:30 committed by mergify[bot]
parent 4efcc5bf97
commit 73e2ffe8b8
2 changed files with 112 additions and 88 deletions

View File

@ -18,7 +18,6 @@ package cephfs
import (
"context"
"fmt"
"time"
"github.com/ceph/ceph-csi/internal/util"
@ -27,8 +26,6 @@ import (
"github.com/container-storage-interface/spec/lib/go/csi"
"github.com/golang/protobuf/ptypes"
"github.com/golang/protobuf/ptypes/timestamp"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
type volumeID string
@ -39,91 +36,6 @@ func execCommandErr(ctx context.Context, program string, args ...string) error {
return err
}
// Controller service request validation.
func (cs *ControllerServer) validateCreateVolumeRequest(req *csi.CreateVolumeRequest) error {
if err := cs.Driver.ValidateControllerServiceRequest(
csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME); err != nil {
return fmt.Errorf("invalid CreateVolumeRequest: %w", err)
}
if req.GetName() == "" {
return status.Error(codes.InvalidArgument, "volume Name cannot be empty")
}
reqCaps := req.GetVolumeCapabilities()
if reqCaps == nil {
return status.Error(codes.InvalidArgument, "volume Capabilities cannot be empty")
}
for _, capability := range reqCaps {
if capability.GetBlock() != nil {
return status.Error(codes.Unimplemented, "block volume not supported")
}
}
// Allow readonly access mode for volume with content source
err := util.CheckReadOnlyManyIsSupported(req)
if err != nil {
return err
}
if req.VolumeContentSource != nil {
volumeSource := req.VolumeContentSource
switch volumeSource.Type.(type) {
case *csi.VolumeContentSource_Snapshot:
snapshot := req.VolumeContentSource.GetSnapshot()
// CSI spec requires returning NOT_FOUND when the volumeSource is missing/incorrect.
if snapshot == nil {
return status.Error(codes.NotFound, "volume Snapshot cannot be empty")
}
if snapshot.GetSnapshotId() == "" {
return status.Error(codes.NotFound, "volume Snapshot ID cannot be empty")
}
case *csi.VolumeContentSource_Volume:
// CSI spec requires returning NOT_FOUND when the volumeSource is missing/incorrect.
vol := req.VolumeContentSource.GetVolume()
if vol == nil {
return status.Error(codes.NotFound, "volume cannot be empty")
}
if vol.GetVolumeId() == "" {
return status.Error(codes.NotFound, "volume ID cannot be empty")
}
default:
return status.Error(codes.InvalidArgument, "unsupported volume data source")
}
}
return nil
}
func (cs *ControllerServer) validateDeleteVolumeRequest() error {
if err := cs.Driver.ValidateControllerServiceRequest(
csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME); err != nil {
return fmt.Errorf("invalid DeleteVolumeRequest: %w", err)
}
return nil
}
// Controller expand volume request validation.
func (cs *ControllerServer) validateExpandVolumeRequest(req *csi.ControllerExpandVolumeRequest) error {
if err := cs.Driver.ValidateControllerServiceRequest(csi.ControllerServiceCapability_RPC_EXPAND_VOLUME); err != nil {
return fmt.Errorf("invalid ExpandVolumeRequest: %w", err)
}
if req.GetVolumeId() == "" {
return status.Error(codes.InvalidArgument, "Volume ID cannot be empty")
}
capRange := req.GetCapacityRange()
if capRange == nil {
return status.Error(codes.InvalidArgument, "CapacityRange cannot be empty")
}
return nil
}
func genSnapFromOptions(ctx context.Context, req *csi.CreateSnapshotRequest) (snap *cephfsSnapshot, err error) {
cephfsSnap := &cephfsSnapshot{}
cephfsSnap.RequestName = req.GetName()

View File

@ -0,0 +1,112 @@
/*
Copyright 2021 The Ceph-CSI 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 cephfs
import (
"fmt"
"github.com/ceph/ceph-csi/internal/util"
"github.com/container-storage-interface/spec/lib/go/csi"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
// Controller service request validation.
func (cs *ControllerServer) validateCreateVolumeRequest(req *csi.CreateVolumeRequest) error {
if err := cs.Driver.ValidateControllerServiceRequest(
csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME); err != nil {
return fmt.Errorf("invalid CreateVolumeRequest: %w", err)
}
if req.GetName() == "" {
return status.Error(codes.InvalidArgument, "volume Name cannot be empty")
}
reqCaps := req.GetVolumeCapabilities()
if reqCaps == nil {
return status.Error(codes.InvalidArgument, "volume Capabilities cannot be empty")
}
for _, capability := range reqCaps {
if capability.GetBlock() != nil {
return status.Error(codes.Unimplemented, "block volume not supported")
}
}
// Allow readonly access mode for volume with content source
err := util.CheckReadOnlyManyIsSupported(req)
if err != nil {
return err
}
if req.VolumeContentSource != nil {
volumeSource := req.VolumeContentSource
switch volumeSource.Type.(type) {
case *csi.VolumeContentSource_Snapshot:
snapshot := req.VolumeContentSource.GetSnapshot()
// CSI spec requires returning NOT_FOUND when the volumeSource is missing/incorrect.
if snapshot == nil {
return status.Error(codes.NotFound, "volume Snapshot cannot be empty")
}
if snapshot.GetSnapshotId() == "" {
return status.Error(codes.NotFound, "volume Snapshot ID cannot be empty")
}
case *csi.VolumeContentSource_Volume:
// CSI spec requires returning NOT_FOUND when the volumeSource is missing/incorrect.
vol := req.VolumeContentSource.GetVolume()
if vol == nil {
return status.Error(codes.NotFound, "volume cannot be empty")
}
if vol.GetVolumeId() == "" {
return status.Error(codes.NotFound, "volume ID cannot be empty")
}
default:
return status.Error(codes.InvalidArgument, "unsupported volume data source")
}
}
return nil
}
func (cs *ControllerServer) validateDeleteVolumeRequest() error {
if err := cs.Driver.ValidateControllerServiceRequest(
csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME); err != nil {
return fmt.Errorf("invalid DeleteVolumeRequest: %w", err)
}
return nil
}
// Controller expand volume request validation.
func (cs *ControllerServer) validateExpandVolumeRequest(req *csi.ControllerExpandVolumeRequest) error {
if err := cs.Driver.ValidateControllerServiceRequest(csi.ControllerServiceCapability_RPC_EXPAND_VOLUME); err != nil {
return fmt.Errorf("invalid ExpandVolumeRequest: %w", err)
}
if req.GetVolumeId() == "" {
return status.Error(codes.InvalidArgument, "Volume ID cannot be empty")
}
capRange := req.GetCapacityRange()
if capRange == nil {
return status.Error(codes.InvalidArgument, "CapacityRange cannot be empty")
}
return nil
}