frostfs-node/pkg/services/control/server/list_shards.go
Evgenii Stratonikov 6472a170eb [] shard: Introduce explicit Degraded mode
`Degraded` mode is set automatically after error counter is over the
threshold. `ReadOnly` mode can still be set by an administrator.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2022-03-31 15:33:22 +03:00

63 lines
1.5 KiB
Go

package control
import (
"context"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard"
"github.com/nspcc-dev/neofs-node/pkg/services/control"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func (s *Server) ListShards(_ context.Context, req *control.ListShardsRequest) (*control.ListShardsResponse, error) {
// verify request
if err := s.isValidRequest(req); err != nil {
return nil, status.Error(codes.PermissionDenied, err.Error())
}
// create and fill response
resp := new(control.ListShardsResponse)
body := new(control.ListShardsResponse_Body)
resp.SetBody(body)
info := s.s.DumpInfo()
shardInfos := make([]*control.ShardInfo, 0, len(info.Shards))
for _, sh := range info.Shards {
si := new(control.ShardInfo)
si.SetID(*sh.ID)
si.SetMetabasePath(sh.MetaBaseInfo.Path)
si.SetBlobstorPath(sh.BlobStorInfo.RootPath)
si.SetWriteCachePath(sh.WriteCacheInfo.Path)
var mode control.ShardMode
switch sh.Mode {
case shard.ModeReadWrite:
mode = control.ShardMode_READ_WRITE
case shard.ModeReadOnly:
mode = control.ShardMode_READ_ONLY
case shard.ModeDegraded:
mode = control.ShardMode_DEGRADED
default:
mode = control.ShardMode_SHARD_MODE_UNDEFINED
}
si.SetMode(mode)
si.SetErrorCount(sh.ErrorCount)
shardInfos = append(shardInfos, si)
}
body.SetShards(shardInfos)
// sign the response
if err := SignMessage(s.key, resp); err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return resp, nil
}