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Use rewritten import path for Prometheus to avoid dep conflicts (#77)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| // Copyright (c) 2018 Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
||
| package prometheus | ||
|
|
||
| import ( | ||
| "net/http" | ||
| "strings" | ||
| ) | ||
|
|
||
| // Configuration is a configuration for a Prometheus reporter. | ||
| type Configuration struct { | ||
| // HandlerPath if specified will be used instead of using the default | ||
| // HTTP handler path "/metrics". | ||
| HandlerPath string `yaml:"handlerPath"` | ||
|
|
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| // ListenAddress if specified will be used instead of just registering the | ||
| // handler on the default HTTP serve mux without listening. | ||
| ListenAddress string `yaml:"listenAddress"` | ||
|
|
||
| // TimerType is the default Prometheus type to use for Tally timers. | ||
| TimerType string `yaml:"timerType"` | ||
|
|
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| // DefaultHistogramBuckets if specified will set the default histogram | ||
| // buckets to be used by the reporter. | ||
| DefaultHistogramBuckets []HistogramObjective `yaml:"defaultHistogramBuckets"` | ||
|
|
||
| // DefaultSummaryObjectives if specified will set the default summary | ||
| // objectives to be used by the reporter. | ||
| DefaultSummaryObjectives []SummaryObjective `yaml:"defaultSummaryObjectives"` | ||
| } | ||
|
|
||
| // HistogramObjective is a Prometheus histogram bucket. | ||
| // See: https://godoc.org/github.com/prometheus/client_golang/prometheus#HistogramOpts | ||
| type HistogramObjective struct { | ||
| Upper float64 `yaml:"upper"` | ||
| } | ||
|
|
||
| // SummaryObjective is a Prometheus summary objective. | ||
| // See: https://godoc.org/github.com/prometheus/client_golang/prometheus#SummaryOpts | ||
| type SummaryObjective struct { | ||
| Percentile float64 `yaml:"percentile"` | ||
| AllowedError float64 `yaml:"allowedError"` | ||
| } | ||
|
|
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| // ConfigurationOptions allows some error callbacks to be registered. | ||
| type ConfigurationOptions struct { | ||
| OnError func(e error) | ||
| onRegisterError func(e error) | ||
| } | ||
|
|
||
| // NewReporter creates a new M3 reporter from this configuration. | ||
| func (c Configuration) NewReporter( | ||
| configOpts ConfigurationOptions, | ||
| ) (Reporter, error) { | ||
| var opts Options | ||
| opts.OnRegisterError = configOpts.onRegisterError | ||
|
|
||
| switch c.TimerType { | ||
| case "summary": | ||
| opts.DefaultTimerType = SummaryTimerType | ||
| case "histogram": | ||
| opts.DefaultTimerType = HistogramTimerType | ||
| } | ||
|
|
||
| if len(c.DefaultHistogramBuckets) > 0 { | ||
| var values []float64 | ||
| for _, value := range c.DefaultHistogramBuckets { | ||
| values = append(values, value.Upper) | ||
| } | ||
| opts.DefaultHistogramBuckets = values | ||
| } | ||
|
|
||
| if len(c.DefaultSummaryObjectives) > 0 { | ||
| values := make(map[float64]float64) | ||
| for _, value := range c.DefaultSummaryObjectives { | ||
| values[value.Percentile] = value.AllowedError | ||
| } | ||
| opts.DefaultSummaryObjectives = values | ||
| } | ||
|
|
||
| reporter := NewReporter(opts) | ||
|
|
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| path := "/metrics" | ||
| if handlerPath := strings.TrimSpace(c.HandlerPath); handlerPath != "" { | ||
| path = handlerPath | ||
| } | ||
|
|
||
| if addr := strings.TrimSpace(c.ListenAddress); addr == "" { | ||
| http.Handle(path, reporter.HTTPHandler()) | ||
| } else { | ||
| mux := http.NewServeMux() | ||
| mux.Handle(path, reporter.HTTPHandler()) | ||
| go func() { | ||
| if err := http.ListenAndServe(addr, mux); err != nil { | ||
| if configOpts.OnError != nil { | ||
| configOpts.OnError(err) | ||
| } | ||
| } | ||
| }() | ||
| } | ||
|
|
||
| return reporter, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| // Copyright (c) 2018 Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
||
| package prometheus | ||
|
|
||
| import ( | ||
| "github.com/uber-go/tally" | ||
| ) | ||
|
|
||
| var ( | ||
| // DefaultSanitizerOpts are the options for the default Prometheus sanitizer. | ||
| DefaultSanitizerOpts = tally.SanitizeOptions{ | ||
| NameCharacters: tally.ValidCharacters{ | ||
| Ranges: tally.AlphanumericRange, | ||
| Characters: tally.UnderscoreDashCharacters, | ||
| }, | ||
| KeyCharacters: tally.ValidCharacters{ | ||
| Ranges: tally.AlphanumericRange, | ||
| Characters: tally.UnderscoreDashCharacters, | ||
| }, | ||
| ValueCharacters: tally.ValidCharacters{ | ||
| Ranges: tally.AlphanumericRange, | ||
| Characters: tally.UnderscoreDashCharacters, | ||
| }, | ||
| ReplacementCharacter: tally.DefaultReplacementCharacter, | ||
| } | ||
| ) |