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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| // Copyright (c) 2023 The Jaeger Authors. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package shared | ||
|
|
||
| import ( | ||
| "context" | ||
| "time" | ||
|
|
||
| "github.com/gogo/protobuf/types" | ||
|
|
||
| "github.com/jaegertracing/jaeger/proto-gen/api_v2/metrics" | ||
| "github.com/jaegertracing/jaeger/proto-gen/storage_v1" | ||
| "github.com/jaegertracing/jaeger/storage/metricsstore" | ||
| ) | ||
|
|
||
| var _ metricsstore.Reader = (*metricsReader)(nil) | ||
|
|
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| type metricsReader struct { | ||
| client storage_v1.MetricsReaderPluginClient | ||
| } | ||
|
|
||
| func (m *metricsReader) GetLatencies(ctx context.Context, params *metricsstore.LatenciesQueryParameters) (*metrics.MetricFamily, error) { | ||
| request := &storage_v1.GetLatenciesRequest{ | ||
| BaseQueryParameters: baseQueryParametersFromPogo(params.BaseQueryParameters), | ||
| Quantile: float32(params.Quantile), | ||
| } | ||
|
|
||
| response, err := m.client.GetLatencies(upgradeContext(ctx), request) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return response.MetricFamily, nil | ||
| } | ||
|
|
||
| func (m *metricsReader) GetCallRates(ctx context.Context, params *metricsstore.CallRateQueryParameters) (*metrics.MetricFamily, error) { | ||
| request := &storage_v1.GetCallRatesRequest{ | ||
| BaseQueryParameters: baseQueryParametersFromPogo(params.BaseQueryParameters), | ||
| } | ||
|
|
||
| response, err := m.client.GetCallRates(upgradeContext(ctx), request) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return response.MetricFamily, nil | ||
| } | ||
|
|
||
| func (m *metricsReader) GetErrorRates(ctx context.Context, params *metricsstore.ErrorRateQueryParameters) (*metrics.MetricFamily, error) { | ||
| request := &storage_v1.GetErrorRatesRequest{ | ||
| BaseQueryParameters: baseQueryParametersFromPogo(params.BaseQueryParameters), | ||
| } | ||
|
|
||
| response, err := m.client.GetErrorRates(upgradeContext(ctx), request) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return response.MetricFamily, nil | ||
| } | ||
|
|
||
| func (m *metricsReader) GetMinStepDuration(ctx context.Context, params *metricsstore.MinStepDurationQueryParameters) (time.Duration, error) { | ||
| response, err := m.client.GetMinStepDuration(upgradeContext(ctx), &storage_v1.GetMinStepDurationRequest{}) | ||
| if err != nil { | ||
| return 0, err | ||
| } | ||
|
|
||
| minStep := time.Second | ||
| if response.MinStep != nil { | ||
| minStep = time.Duration(response.MinStep.Seconds)*time.Second + time.Duration(response.MinStep.Nanos) | ||
| } | ||
|
|
||
| return minStep, nil | ||
| } | ||
|
|
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| func baseQueryParametersFromPogo(pogo metricsstore.BaseQueryParameters) *storage_v1.MetricsBaseQueryParameters { | ||
| proto := &storage_v1.MetricsBaseQueryParameters{ | ||
| ServiceNames: pogo.ServiceNames, | ||
| GroupByOperation: pogo.GroupByOperation, | ||
| SpanKinds: pogo.SpanKinds, | ||
| } | ||
|
|
||
| if pogo.EndTime != nil { | ||
| proto.EndTime = &types.Timestamp{Seconds: pogo.EndTime.Unix(), Nanos: int32(pogo.EndTime.Nanosecond())} | ||
| } | ||
| if pogo.Lookback != nil { | ||
| proto.Lookback = &types.Duration{Seconds: int64(*pogo.Lookback / time.Second), Nanos: int32(*pogo.Lookback % time.Second)} | ||
| } | ||
| if pogo.Step != nil { | ||
| proto.Step = &types.Duration{Seconds: int64(*pogo.Step / time.Second), Nanos: int32(*pogo.Step % time.Second)} | ||
| } | ||
| if pogo.RatePer != nil { | ||
| proto.RatePer = &types.Duration{Seconds: int64(*pogo.RatePer / time.Second), Nanos: int32(*pogo.RatePer % time.Second)} | ||
| } | ||
|
|
||
| return proto | ||
| } |
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