frostfs-node/pkg/services/object/metrics.go

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package object
import (
"context"
"time"
"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/object"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/util"
)
type (
MetricCollector struct {
next ServiceServer
metrics MetricRegister
enabled bool
}
getStreamMetric struct {
util.ServerStream
stream GetObjectStream
metrics MetricRegister
}
putStreamMetric struct {
stream PutObjectStream
metrics MetricRegister
start time.Time
}
patchStreamMetric struct {
stream PatchObjectStream
metrics MetricRegister
start time.Time
}
MetricRegister interface {
AddRequestDuration(string, time.Duration, bool)
AddPayloadSize(string, int)
}
)
func NewMetricCollector(next ServiceServer, register MetricRegister, enabled bool) *MetricCollector {
return &MetricCollector{
next: next,
metrics: register,
enabled: enabled,
}
}
func (m MetricCollector) Get(req *object.GetRequest, stream GetObjectStream) (err error) {
if m.enabled {
t := time.Now()
defer func() {
m.metrics.AddRequestDuration("Get", time.Since(t), err == nil)
}()
err = m.next.Get(req, &getStreamMetric{
ServerStream: stream,
stream: stream,
metrics: m.metrics,
})
} else {
err = m.next.Get(req, stream)
}
return
}
func (m MetricCollector) Put() (PutObjectStream, error) {
if m.enabled {
t := time.Now()
stream, err := m.next.Put()
if err != nil {
return nil, err
}
return &putStreamMetric{
stream: stream,
metrics: m.metrics,
start: t,
}, nil
}
return m.next.Put()
}
func (m MetricCollector) Patch() (PatchObjectStream, error) {
if m.enabled {
t := time.Now()
stream, err := m.next.Patch()
if err != nil {
return nil, err
}
return &patchStreamMetric{
stream: stream,
metrics: m.metrics,
start: t,
}, nil
}
return m.next.Patch()
}
func (m MetricCollector) PutSingle(ctx context.Context, request *object.PutSingleRequest) (*object.PutSingleResponse, error) {
if m.enabled {
t := time.Now()
res, err := m.next.PutSingle(ctx, request)
m.metrics.AddRequestDuration("PutSingle", time.Since(t), err == nil)
if err == nil {
m.metrics.AddPayloadSize("PutSingle", len(request.GetBody().GetObject().GetPayload()))
}
return res, err
}
return m.next.PutSingle(ctx, request)
}
func (m MetricCollector) Head(ctx context.Context, request *object.HeadRequest) (*object.HeadResponse, error) {
if m.enabled {
t := time.Now()
res, err := m.next.Head(ctx, request)
m.metrics.AddRequestDuration("Head", time.Since(t), err == nil)
return res, err
}
return m.next.Head(ctx, request)
}
func (m MetricCollector) Search(req *object.SearchRequest, stream SearchStream) error {
if m.enabled {
t := time.Now()
err := m.next.Search(req, stream)
m.metrics.AddRequestDuration("Search", time.Since(t), err == nil)
return err
}
return m.next.Search(req, stream)
}
func (m MetricCollector) Delete(ctx context.Context, request *object.DeleteRequest) (*object.DeleteResponse, error) {
if m.enabled {
t := time.Now()
res, err := m.next.Delete(ctx, request)
m.metrics.AddRequestDuration("Delete", time.Since(t), err == nil)
return res, err
}
return m.next.Delete(ctx, request)
}
func (m MetricCollector) GetRange(req *object.GetRangeRequest, stream GetObjectRangeStream) error {
if m.enabled {
t := time.Now()
err := m.next.GetRange(req, stream)
m.metrics.AddRequestDuration("GetRange", time.Since(t), err == nil)
return err
}
return m.next.GetRange(req, stream)
}
func (m MetricCollector) GetRangeHash(ctx context.Context, request *object.GetRangeHashRequest) (*object.GetRangeHashResponse, error) {
if m.enabled {
t := time.Now()
res, err := m.next.GetRangeHash(ctx, request)
m.metrics.AddRequestDuration("GetRangeHash", time.Since(t), err == nil)
return res, err
}
return m.next.GetRangeHash(ctx, request)
}
func (m *MetricCollector) Enable() {
m.enabled = true
}
func (m *MetricCollector) Disable() {
m.enabled = false
}
func (s getStreamMetric) Send(resp *object.GetResponse) error {
chunk, ok := resp.GetBody().GetObjectPart().(*object.GetObjectPartChunk)
if ok {
s.metrics.AddPayloadSize("Get", len(chunk.GetChunk()))
}
return s.stream.Send(resp)
}
func (s putStreamMetric) Send(ctx context.Context, req *object.PutRequest) error {
chunk, ok := req.GetBody().GetObjectPart().(*object.PutObjectPartChunk)
if ok {
s.metrics.AddPayloadSize("Put", len(chunk.GetChunk()))
}
return s.stream.Send(ctx, req)
}
func (s putStreamMetric) CloseAndRecv(ctx context.Context) (*object.PutResponse, error) {
res, err := s.stream.CloseAndRecv(ctx)
s.metrics.AddRequestDuration("Put", time.Since(s.start), err == nil)
return res, err
}
func (s patchStreamMetric) Send(ctx context.Context, req *object.PatchRequest) error {
s.metrics.AddPayloadSize("Patch", len(req.GetBody().GetPatch().GetChunk()))
return s.stream.Send(ctx, req)
}
func (s patchStreamMetric) CloseAndRecv(ctx context.Context) (*object.PatchResponse, error) {
res, err := s.stream.CloseAndRecv(ctx)
s.metrics.AddRequestDuration("Patch", time.Since(s.start), err == nil)
return res, err
}