frostfs-node/pkg/services/control/server/set_shard_mode.go

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package control
import (
"context"
"fmt"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard/mode"
"github.com/nspcc-dev/neofs-node/pkg/services/control"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func (s *Server) SetShardMode(_ context.Context, req *control.SetShardModeRequest) (*control.SetShardModeResponse, error) {
// verify request
err := s.isValidRequest(req)
if err != nil {
return nil, status.Error(codes.PermissionDenied, err.Error())
}
var (
m mode.Mode
requestedMode = req.GetBody().GetMode()
requestedShard = shard.NewIDFromBytes(req.Body.GetShard_ID())
)
switch requestedMode {
case control.ShardMode_READ_WRITE:
m = mode.ReadWrite
case control.ShardMode_READ_ONLY:
m = mode.ReadOnly
case control.ShardMode_DEGRADED:
m = mode.Degraded
case control.ShardMode_DEGRADED_READ_ONLY:
m = mode.ReadOnly
default:
return nil, status.Error(codes.Internal, fmt.Sprintf("unknown shard mode: %s", requestedMode))
}
err = s.s.SetShardMode(requestedShard, m, false)
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
// create and fill response
resp := new(control.SetShardModeResponse)
body := new(control.SetShardModeResponse_Body)
resp.SetBody(body)
// sign the response
err = SignMessage(s.key, resp)
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return resp, nil
}