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Copy Prometheus metrics implementation from jaeger-lib
Signed-off-by: Yuri Shkuro <github@ysh.us>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| // Copyright (c) 2022 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 expvar | ||
|
|
||
| import ( | ||
| jlibmetrics "github.com/uber/jaeger-lib/metrics" | ||
|
|
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| "github.com/jaegertracing/jaeger/pkg/metrics" | ||
| ) | ||
|
|
||
| // adapter is temporary type used to bridge metrics API in this package | ||
| // with that of jaeger-lib. | ||
| type adapter struct { | ||
| f jlibmetrics.Factory | ||
| } | ||
|
|
||
| var _ metrics.Factory = (*adapter)(nil) | ||
|
|
||
| func newAdapter(f jlibmetrics.Factory) *adapter { | ||
| return &adapter{f: f} | ||
| } | ||
|
|
||
| // Counter creates a Counter. | ||
| func (a *adapter) Counter(opts metrics.Options) metrics.Counter { | ||
| return a.f.Counter(jlibmetrics.Options{ | ||
| Name: opts.Name, | ||
| Tags: opts.Tags, | ||
| Help: opts.Help, | ||
| }) | ||
| } | ||
|
|
||
| // Timer creates a Timer. | ||
| func (a *adapter) Timer(opts metrics.TimerOptions) metrics.Timer { | ||
| return a.f.Timer(jlibmetrics.TimerOptions{ | ||
| Name: opts.Name, | ||
| Tags: opts.Tags, | ||
| Help: opts.Help, | ||
| Buckets: opts.Buckets, | ||
| }) | ||
| } | ||
|
|
||
| // Gauge creates a Gauge. | ||
| func (a *adapter) Gauge(opts metrics.Options) metrics.Gauge { | ||
| return a.f.Gauge(jlibmetrics.Options{ | ||
| Name: opts.Name, | ||
| Tags: opts.Tags, | ||
| Help: opts.Help, | ||
| }) | ||
| } | ||
|
|
||
| // Histogram creates a Histogram. | ||
| func (a *adapter) Histogram(opts metrics.HistogramOptions) metrics.Histogram { | ||
| return a.f.Histogram(jlibmetrics.HistogramOptions{ | ||
| Name: opts.Name, | ||
| Tags: opts.Tags, | ||
| Help: opts.Help, | ||
| Buckets: opts.Buckets, | ||
| }) | ||
| } | ||
|
|
||
| // Namespace creates a Namespace. | ||
| func (a *adapter) Namespace(opts metrics.NSOptions) metrics.Factory { | ||
| return &adapter{f: a.f.Namespace(jlibmetrics.NSOptions{ | ||
| Name: opts.Name, | ||
| Tags: opts.Tags, | ||
| })} | ||
| } | ||
|
|
||
| // Unwrap returns underlying jaeger-lib factory. | ||
| func (a *adapter) Unwrap() jlibmetrics.Factory { | ||
| return a.f | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| // Copyright (c) 2022 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 expvar | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
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| jlibmetrics "github.com/uber/jaeger-lib/metrics" | ||
|
|
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| "github.com/jaegertracing/jaeger/pkg/metrics" | ||
| ) | ||
|
|
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| func TestAdapter(t *testing.T) { | ||
| f := newAdapter(jlibmetrics.NullFactory) | ||
| f.Counter(metrics.Options{}) | ||
| f.Timer(metrics.TimerOptions{}) | ||
| f.Gauge(metrics.Options{}) | ||
| f.Histogram(metrics.HistogramOptions{}) | ||
| f.Namespace(metrics.NSOptions{}) | ||
| f.Unwrap() | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| // Copyright (c) 2022 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 expvar | ||
|
|
||
| import ( | ||
| "github.com/uber/jaeger-lib/metrics/expvar" | ||
|
|
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| "github.com/jaegertracing/jaeger/pkg/metrics" | ||
| ) | ||
|
|
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| // NewFactory creates metrics.Factory for expvar. | ||
| func NewFactory(buckets int) metrics.Factory { | ||
| return newAdapter(expvar.NewFactory(buckets)) | ||
| } |
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