ceph-csi/internal/cephfs/util.go
Madhu Rajanna d15ded88f5 cleanup: Remove support for Delete and Unmounting v1.1.0 PVC
as v1.0.0 is deprecated we need to remove the support
for it in the Next coming (v3.0.0) release. This PR
removes the support for the same.

closes #882

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2020-07-10 16:07:13 +00:00

128 lines
3.7 KiB
Go

/*
Copyright 2018 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 (
"bytes"
"context"
"encoding/json"
"fmt"
"os/exec"
"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"
)
type volumeID string
func execCommand(ctx context.Context, program string, args ...string) (stdout, stderr []byte, err error) {
var (
cmd = exec.Command(program, args...) // nolint: gosec, #nosec
sanitizedArgs = util.StripSecretInArgs(args)
stdoutBuf bytes.Buffer
stderrBuf bytes.Buffer
)
cmd.Stdout = &stdoutBuf
cmd.Stderr = &stderrBuf
util.DebugLog(ctx, "cephfs: EXEC %s %s", program, sanitizedArgs)
if err := cmd.Run(); err != nil {
if cmd.Process == nil {
return nil, nil, fmt.Errorf("cannot get process pid while running %s %v: %v: %s",
program, sanitizedArgs, err, stderrBuf.Bytes())
}
return nil, nil, fmt.Errorf("an error occurred while running (%d) %s %v: %v: %s",
cmd.Process.Pid, program, sanitizedArgs, err, stderrBuf.Bytes())
}
return stdoutBuf.Bytes(), stderrBuf.Bytes(), nil
}
func execCommandErr(ctx context.Context, program string, args ...string) error {
_, _, err := execCommand(ctx, program, args...)
return err
}
//nolint: unparam
func execCommandJSON(ctx context.Context, v interface{}, program string, args ...string) error {
stdout, _, err := execCommand(ctx, program, args...)
if err != nil {
return err
}
if err = json.Unmarshal(stdout, v); err != nil {
return fmt.Errorf("failed to unmarshal JSON for %s %v: %s: %v", program, util.StripSecretInArgs(args), stdout, err)
}
return nil
}
// 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: %v", 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 _, cap := range reqCaps {
if cap.GetBlock() != nil {
return status.Error(codes.Unimplemented, "block volume not supported")
}
}
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: %v", 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: %v", 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
}