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Alex ShtinandGitHub
3e6639d573
## What changed? <!-- Describe what has changed in this PR --> Replace `golang.org/x/exp` with stdlib where possible. Unfortunately, `maps` doesn't provide all methods that `expmaps` does, so I still have `golang.org/x/exp` in `go.mod`. ## Why? <!-- Tell your future self why have you made these changes --> Follow up to #6018. ## How did you test it? <!-- How have you verified this change? Tested locally? Added a unit test? Checked in staging env? --> Build. ## Potential risks <!-- Assuming the worst case, what can be broken when deploying this change to production? --> No risks. ## Documentation <!-- Have you made sure this change doesn't falsify anything currently stated in `docs/`? If significant new behavior is added, have you described that in `docs/`? --> No. ## Is hotfix candidate? <!-- Is this PR a hotfix candidate or does it require a notification to be sent to the broader community? (Yes/No) --> No.
79 lines
2.6 KiB
Go
79 lines
2.6 KiB
Go
// The MIT License
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//
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// Copyright (c) 2020 Temporal Technologies Inc. All rights reserved.
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//
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// Copyright (c) 2020 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package metrics_test
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import (
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"fmt"
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"slices"
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"time"
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expmaps "golang.org/x/exp/maps"
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"go.temporal.io/server/common/metrics"
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"go.temporal.io/server/common/metrics/metricstest"
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)
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var (
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bytesHist = metrics.NewBytesHistogramDef("test-bytes-histogram")
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counter = metrics.NewCounterDef("test-counter")
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gauge = metrics.NewGaugeDef("test-gauge")
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hist = metrics.NewDimensionlessHistogramDef("test-histogram")
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timer = metrics.NewTimerDef("test-timer")
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)
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func ExampleHandler() {
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handler := metricstest.NewCaptureHandler()
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capture := handler.StartCapture()
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// Instead of calling handler.Histogram(bytesHist.Name(), bytesHist.Unit()).Record(1), you should use the With
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// method of the metric definition instead.
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bytesHist.With(handler).Record(1)
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counter.With(handler).Record(2)
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gauge.With(handler).Record(3)
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hist.With(handler).Record(4)
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timer.With(handler).Record(5 * time.Second)
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snapshot := capture.Snapshot()
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keys := expmaps.Keys(snapshot)
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slices.Sort(keys)
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for _, key := range keys {
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fmt.Printf("%s:", key)
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for _, rec := range snapshot[key] {
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fmt.Printf(" %v (%v)", rec.Value, rec.Unit)
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}
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fmt.Println()
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}
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// Notice that the output includes the proper units without having to specify them in the call to Record.
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// Output:
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// test-bytes-histogram: 1 (By)
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// test-counter: 2 ()
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// test-gauge: 3 ()
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// test-histogram: 4 (1)
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// test-timer: 5s ()
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}
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