mirror of
https://github.com/seaweedfs/seaweedfs.git
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fff243d463
Allows to track overall R/W errors in real time through Prometheus. Will follow up with a PR for Seaweed's REST API. Co-authored-by: Lisandro Pin <lisandro.pin@proton.ch>
97 lines
2.7 KiB
Go
97 lines
2.7 KiB
Go
package weed_server
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import (
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"context"
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"fmt"
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"github.com/seaweedfs/seaweedfs/weed/pb/volume_server_pb"
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"github.com/seaweedfs/seaweedfs/weed/stats"
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"github.com/seaweedfs/seaweedfs/weed/storage/needle"
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"github.com/seaweedfs/seaweedfs/weed/storage/types"
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)
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func (vs *VolumeServer) ReadNeedleBlob(ctx context.Context, req *volume_server_pb.ReadNeedleBlobRequest) (resp *volume_server_pb.ReadNeedleBlobResponse, err error) {
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if err := func() error {
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resp = &volume_server_pb.ReadNeedleBlobResponse{}
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v := vs.store.GetVolume(needle.VolumeId(req.VolumeId))
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if v == nil {
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return fmt.Errorf("not found volume id %d", req.VolumeId)
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}
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resp.NeedleBlob, err = v.ReadNeedleBlob(req.Offset, types.Size(req.Size))
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if err != nil {
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return fmt.Errorf("read needle blob offset %d size %d: %v", req.Offset, req.Size, err)
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}
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return nil
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}(); err != nil {
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stats.VolumeServerFileReadFailures.Inc()
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return nil, err
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}
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return resp, nil
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}
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func (vs *VolumeServer) ReadNeedleMeta(ctx context.Context, req *volume_server_pb.ReadNeedleMetaRequest) (resp *volume_server_pb.ReadNeedleMetaResponse, err error) {
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resp = &volume_server_pb.ReadNeedleMetaResponse{}
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volumeId := needle.VolumeId(req.VolumeId)
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if err := func() error {
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n := &needle.Needle{
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Id: types.NeedleId(req.NeedleId),
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Flags: 0x08,
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}
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size := req.Size
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offset := req.Offset
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hasVolume := vs.store.HasVolume(volumeId)
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if !hasVolume {
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return fmt.Errorf("not found volume id %d and read needle metadata at ec shards is not supported", req.VolumeId)
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}
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err = vs.store.ReadVolumeNeedleMetaAt(volumeId, n, offset, size)
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if err != nil {
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return err
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}
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resp.Cookie = uint32(n.Cookie)
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resp.LastModified = n.LastModified
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resp.Crc = n.Checksum.Value()
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if n.HasTtl() {
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resp.Ttl = n.Ttl.String()
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}
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resp.AppendAtNs = n.AppendAtNs
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return nil
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}(); err != nil {
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stats.VolumeServerFileReadFailures.Inc()
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return nil, err
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}
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return resp, nil
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}
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func (vs *VolumeServer) WriteNeedleBlob(ctx context.Context, req *volume_server_pb.WriteNeedleBlobRequest) (resp *volume_server_pb.WriteNeedleBlobResponse, err error) {
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if err := vs.CheckMaintenanceMode(); err != nil {
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return nil, err
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}
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resp = &volume_server_pb.WriteNeedleBlobResponse{}
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if err := func() error {
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v := vs.store.GetVolume(needle.VolumeId(req.VolumeId))
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if v == nil {
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return fmt.Errorf("not found volume id %d", req.VolumeId)
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}
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if err = v.WriteNeedleBlob(types.NeedleId(req.NeedleId), req.NeedleBlob, types.Size(req.Size)); err != nil {
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return fmt.Errorf("write blob needle %d size %d: %v", req.NeedleId, req.Size, err)
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}
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return nil
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}(); err != nil {
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stats.VolumeServerFileWriteFailures.Inc()
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return nil, err
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}
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return resp, nil
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}
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