mirror of
https://github.com/go-gitea/gitea
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078c404c3b
* Add prometheus collector and route * dep ensure -add github.com/prometheus/client_golang/prometheus * dep ensure -update github.com/golang/protobuf * add metrics to reserved usernames * add comment head in metrics package * fix style imports * add metrics settings * add bearer token check * mapping metrics configs * fix lint * update config cheat sheet * update conf sample, typo fix
52 lines
1.6 KiB
Go
52 lines
1.6 KiB
Go
// Copyright 2016 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package prometheus
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import "time"
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// Timer is a helper type to time functions. Use NewTimer to create new
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// instances.
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type Timer struct {
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begin time.Time
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observer Observer
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}
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// NewTimer creates a new Timer. The provided Observer is used to observe a
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// duration in seconds. Timer is usually used to time a function call in the
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// following way:
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// func TimeMe() {
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// timer := NewTimer(myHistogram)
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// defer timer.ObserveDuration()
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// // Do actual work.
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// }
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func NewTimer(o Observer) *Timer {
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return &Timer{
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begin: time.Now(),
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observer: o,
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}
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}
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// ObserveDuration records the duration passed since the Timer was created with
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// NewTimer. It calls the Observe method of the Observer provided during
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// construction with the duration in seconds as an argument. ObserveDuration is
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// usually called with a defer statement.
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//
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// Note that this method is only guaranteed to never observe negative durations
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// if used with Go1.9+.
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func (t *Timer) ObserveDuration() {
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if t.observer != nil {
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t.observer.Observe(time.Since(t.begin).Seconds())
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}
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}
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