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

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package control
import (
"context"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard/mode"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/control"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/control/server/ctrlmessage"
"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.Blobstor = blobstorInfoToProto(sh.BlobStorInfo)
si.SetWriteCachePath(sh.WriteCacheInfo.Path)
si.SetPiloramaPath(sh.PiloramaInfo.Path)
var m control.ShardMode
switch sh.Mode {
case mode.ReadWrite:
m = control.ShardMode_READ_WRITE
case mode.ReadOnly:
m = control.ShardMode_READ_ONLY
case mode.Degraded:
m = control.ShardMode_DEGRADED
case mode.DegradedReadOnly:
m = control.ShardMode_DEGRADED_READ_ONLY
default:
m = control.ShardMode_SHARD_MODE_UNDEFINED
}
si.SetMode(m)
si.SetErrorCount(sh.ErrorCount)
shardInfos = append(shardInfos, si)
}
body.SetShards(shardInfos)
// sign the response
if err := ctrlmessage.Sign(s.key, resp); err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return resp, nil
}
func blobstorInfoToProto(info blobstor.Info) []*control.BlobstorInfo {
res := make([]*control.BlobstorInfo, len(info.SubStorages))
for i := range info.SubStorages {
res[i] = &control.BlobstorInfo{
Path: info.SubStorages[i].Path,
Type: info.SubStorages[i].Type,
}
}
return res
}