ceph-csi/pkg/util/validate.go
Madhu Rajanna dfbdec4b6a add validation to check if stagingPath exists
It's CO responsibility to create the
stagingPath as per the CSI spec.

The CO SHALL ensure
// that the path is directory and that the process serving the
// request has `read` and `write` permission to that directory. The
// CO SHALL be responsible for creating the directory if it does not
// exist.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2019-07-29 12:52:10 +00:00

81 lines
2.4 KiB
Go

package util
import (
"github.com/container-storage-interface/spec/lib/go/csi"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
// ValidateNodeStageVolumeRequest validates the node stage request
func ValidateNodeStageVolumeRequest(req *csi.NodeStageVolumeRequest) error {
if req.GetVolumeCapability() == nil {
return status.Error(codes.InvalidArgument, "volume capability missing in request")
}
if req.GetVolumeId() == "" {
return status.Error(codes.InvalidArgument, "volume ID missing in request")
}
if req.GetStagingTargetPath() == "" {
return status.Error(codes.InvalidArgument, "staging target path missing in request")
}
if req.GetSecrets() == nil || len(req.GetSecrets()) == 0 {
return status.Error(codes.InvalidArgument, "stage secrets cannot be nil or empty")
}
// validate stagingpath exists
ok := checkDirExists(req.GetStagingTargetPath())
if !ok {
return status.Error(codes.InvalidArgument, "staging path doesnot exists on node")
}
return nil
}
// ValidateNodeUnstageVolumeRequest validates the node unstage request
func ValidateNodeUnstageVolumeRequest(req *csi.NodeUnstageVolumeRequest) error {
if req.GetVolumeId() == "" {
return status.Error(codes.InvalidArgument, "volume ID missing in request")
}
if req.GetStagingTargetPath() == "" {
return status.Error(codes.InvalidArgument, "staging target path missing in request")
}
return nil
}
// ValidateNodePublishVolumeRequest validates the node publish request
func ValidateNodePublishVolumeRequest(req *csi.NodePublishVolumeRequest) error {
if req.GetVolumeCapability() == nil {
return status.Error(codes.InvalidArgument, "volume capability missing in request")
}
if req.GetVolumeId() == "" {
return status.Error(codes.InvalidArgument, "volume ID missing in request")
}
if req.GetTargetPath() == "" {
return status.Error(codes.InvalidArgument, "target path missing in request")
}
if req.GetStagingTargetPath() == "" {
return status.Error(codes.InvalidArgument, "staging target path missing in request")
}
return nil
}
// ValidateNodeUnpublishVolumeRequest validates the node unpublish request
func ValidateNodeUnpublishVolumeRequest(req *csi.NodeUnpublishVolumeRequest) error {
if req.GetVolumeId() == "" {
return status.Error(codes.InvalidArgument, "volume ID missing in request")
}
if req.GetTargetPath() == "" {
return status.Error(codes.InvalidArgument, "target path missing in request")
}
return nil
}