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refactor: split metrics module into multiple files (#2310)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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 prometheus | ||
|
|
||
| import ( | ||
| "context" | ||
| "time" | ||
|
|
||
| "dubbo.apache.org/dubbo-go/v3/common" | ||
| "dubbo.apache.org/dubbo-go/v3/common/constant" | ||
| "dubbo.apache.org/dubbo-go/v3/protocol" | ||
| "github.com/dubbogo/gost/log/logger" | ||
| "github.com/prometheus/client_golang/prometheus" | ||
| ) | ||
|
|
||
| func (reporter *PrometheusReporter) ReportAfterInvocation(ctx context.Context, invoker protocol.Invoker, invocation protocol.Invocation, cost time.Duration, res protocol.Result) { | ||
| if !reporter.reporterConfig.Enable { | ||
| return | ||
| } | ||
|
|
||
| url := invoker.GetURL() | ||
|
|
||
| var role string // provider or consumer | ||
| if isProvider(url) { | ||
| role = providerField | ||
| } else if isConsumer(url) { | ||
| role = consumerField | ||
| } else { | ||
| logger.Warnf("The url belongs neither the consumer nor the provider, "+ | ||
| "so the invocation will be ignored. url: %s", url.String()) | ||
| return | ||
| } | ||
| labels := prometheus.Labels{ | ||
| applicationNameKey: url.GetParam(constant.ApplicationKey, ""), | ||
| groupKey: url.Group(), | ||
| hostnameKey: "", | ||
| interfaceKey: url.Service(), | ||
| ipKey: common.GetLocalIp(), | ||
| versionKey: url.GetParam(constant.AppVersionKey, ""), | ||
| methodKey: invocation.MethodName(), | ||
| } | ||
|
|
||
| reporter.reportRTSummaryVec(role, &labels, cost.Milliseconds()) | ||
| reporter.reportRequestTotalCounterVec(role, &labels) | ||
| } | ||
|
|
||
| func (r *PrometheusReporter) reportRTSummaryVec(role string, labels *prometheus.Labels, costMs int64) { | ||
| switch role { | ||
| case providerField: | ||
| r.providerRTSummaryVec.With(*labels).Observe(float64(costMs)) | ||
| case consumerField: | ||
| r.consumerRTSummaryVec.With(*labels).Observe(float64(costMs)) | ||
| } | ||
| } | ||
|
|
||
| func (r *PrometheusReporter) reportRequestTotalCounterVec(role string, labels *prometheus.Labels) { | ||
| switch role { | ||
| case providerField: | ||
| r.providerRequestTotalCounterVec.With(*labels).Inc() | ||
| case consumerField: | ||
| r.consumerRequestTotalCounterVec.With(*labels).Inc() | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,199 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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 prometheus | ||
|
|
||
| import ( | ||
| "sync" | ||
|
|
||
| "github.com/prometheus/client_golang/prometheus" | ||
| ) | ||
|
|
||
| type syncMaps struct { | ||
| userGauge sync.Map | ||
| userSummary sync.Map | ||
| userCounter sync.Map | ||
| userCounterVec sync.Map | ||
| userGaugeVec sync.Map | ||
| userSummaryVec sync.Map | ||
| } | ||
|
|
||
| // setGauge set gauge to target value with given label, if label is not empty, set gauge vec | ||
| // if target gauge/gaugevec not exist, just create new gauge and set the value | ||
| func (reporter *PrometheusReporter) setGauge(gaugeName string, toSetValue float64, labelMap prometheus.Labels) { | ||
| if len(labelMap) == 0 { | ||
| // gauge | ||
| if val, exist := reporter.userGauge.Load(gaugeName); !exist { | ||
| gauge := newGauge(gaugeName, reporter.namespace) | ||
| err := prometheus.DefaultRegisterer.Register(gauge) | ||
| if err == nil { | ||
| reporter.userGauge.Store(gaugeName, gauge) | ||
| gauge.Set(toSetValue) | ||
| } else if are, ok := err.(prometheus.AlreadyRegisteredError); ok { | ||
| // A gauge for that metric has been registered before. | ||
| // Use the old gauge from now on. | ||
| are.ExistingCollector.(prometheus.Gauge).Set(toSetValue) | ||
| } | ||
|
|
||
| } else { | ||
| val.(prometheus.Gauge).Set(toSetValue) | ||
| } | ||
| return | ||
| } | ||
|
|
||
| // gauge vec | ||
| if val, exist := reporter.userGaugeVec.Load(gaugeName); !exist { | ||
| keyList := make([]string, 0) | ||
| for k := range labelMap { | ||
| keyList = append(keyList, k) | ||
| } | ||
| gaugeVec := newGaugeVec(gaugeName, reporter.namespace, keyList) | ||
| err := prometheus.DefaultRegisterer.Register(gaugeVec) | ||
| if err == nil { | ||
| reporter.userGaugeVec.Store(gaugeName, gaugeVec) | ||
| gaugeVec.With(labelMap).Set(toSetValue) | ||
| } else if are, ok := err.(prometheus.AlreadyRegisteredError); ok { | ||
| // A gauge for that metric has been registered before. | ||
| // Use the old gauge from now on. | ||
| are.ExistingCollector.(*prometheus.GaugeVec).With(labelMap).Set(toSetValue) | ||
| } | ||
| } else { | ||
| val.(*prometheus.GaugeVec).With(labelMap).Set(toSetValue) | ||
| } | ||
| } | ||
|
|
||
| // incCounter inc counter to inc if label is not empty, set counter vec | ||
| // if target counter/counterVec not exist, just create new counter and inc the value | ||
| func (reporter *PrometheusReporter) incCounter(counterName string, labelMap prometheus.Labels) { | ||
| if len(labelMap) == 0 { | ||
| // counter | ||
| if val, exist := reporter.userCounter.Load(counterName); !exist { | ||
| counter := newCounter(counterName, reporter.namespace) | ||
| err := prometheus.DefaultRegisterer.Register(counter) | ||
| if err == nil { | ||
| reporter.userCounter.Store(counterName, counter) | ||
| counter.Inc() | ||
| } else if are, ok := err.(prometheus.AlreadyRegisteredError); ok { | ||
| // A counter for that metric has been registered before. | ||
| // Use the old counter from now on. | ||
| are.ExistingCollector.(prometheus.Counter).Inc() | ||
| } | ||
| } else { | ||
| val.(prometheus.Counter).Inc() | ||
| } | ||
| return | ||
| } | ||
|
|
||
| // counter vec inc | ||
| if val, exist := reporter.userCounterVec.Load(counterName); !exist { | ||
| keyList := make([]string, 0) | ||
| for k := range labelMap { | ||
| keyList = append(keyList, k) | ||
| } | ||
| counterVec := newCounterVec(counterName, reporter.namespace, keyList) | ||
| err := prometheus.DefaultRegisterer.Register(counterVec) | ||
| if err == nil { | ||
| reporter.userCounterVec.Store(counterName, counterVec) | ||
| counterVec.With(labelMap).Inc() | ||
| } else if are, ok := err.(prometheus.AlreadyRegisteredError); ok { | ||
| // A counter for that metric has been registered before. | ||
| // Use the old counter from now on. | ||
| are.ExistingCollector.(*prometheus.CounterVec).With(labelMap).Inc() | ||
| } | ||
| } else { | ||
| val.(*prometheus.CounterVec).With(labelMap).Inc() | ||
| } | ||
| } | ||
|
|
||
| // incSummary inc summary to target value with given label, if label is not empty, set summary vec | ||
| // if target summary/summaryVec not exist, just create new summary and set the value | ||
| func (reporter *PrometheusReporter) incSummary(summaryName string, toSetValue float64, labelMap prometheus.Labels) { | ||
| if len(labelMap) == 0 { | ||
| // summary | ||
| if val, exist := reporter.userSummary.Load(summaryName); !exist { | ||
| summary := newSummary(summaryName, reporter.namespace) | ||
| err := prometheus.DefaultRegisterer.Register(summary) | ||
| if err == nil { | ||
| reporter.userSummary.Store(summaryName, summary) | ||
| summary.Observe(toSetValue) | ||
| } else if are, ok := err.(prometheus.AlreadyRegisteredError); ok { | ||
| // A summary for that metric has been registered before. | ||
| // Use the old summary from now on. | ||
| are.ExistingCollector.(prometheus.Summary).Observe(toSetValue) | ||
| } | ||
| } else { | ||
| val.(prometheus.Summary).Observe(toSetValue) | ||
| } | ||
| return | ||
| } | ||
|
|
||
| // summary vec | ||
| if val, exist := reporter.userSummaryVec.Load(summaryName); !exist { | ||
| keyList := make([]string, 0) | ||
| for k := range labelMap { | ||
| keyList = append(keyList, k) | ||
| } | ||
| summaryVec := newSummaryVec(summaryName, reporter.namespace, keyList, reporter.reporterConfig.SummaryMaxAge) | ||
| err := prometheus.DefaultRegisterer.Register(summaryVec) | ||
| if err == nil { | ||
| reporter.userSummaryVec.Store(summaryName, summaryVec) | ||
| summaryVec.With(labelMap).Observe(toSetValue) | ||
| } else if are, ok := err.(prometheus.AlreadyRegisteredError); ok { | ||
| // A summary for that metric has been registered before. | ||
| // Use the old summary from now on. | ||
| are.ExistingCollector.(*prometheus.SummaryVec).With(labelMap).Observe(toSetValue) | ||
| } | ||
| } else { | ||
| val.(*prometheus.SummaryVec).With(labelMap).Observe(toSetValue) | ||
| } | ||
| } | ||
|
|
||
| func SetGaugeWithLabel(gaugeName string, val float64, label prometheus.Labels) { | ||
| if reporterInstance.reporterConfig.Enable { | ||
| reporterInstance.setGauge(gaugeName, val, label) | ||
| } | ||
| } | ||
|
|
||
| func SetGauge(gaugeName string, val float64) { | ||
| if reporterInstance.reporterConfig.Enable { | ||
| reporterInstance.setGauge(gaugeName, val, make(prometheus.Labels)) | ||
| } | ||
| } | ||
|
|
||
| func IncCounterWithLabel(counterName string, label prometheus.Labels) { | ||
| if reporterInstance.reporterConfig.Enable { | ||
| reporterInstance.incCounter(counterName, label) | ||
| } | ||
| } | ||
|
|
||
| func IncCounter(summaryName string) { | ||
| if reporterInstance.reporterConfig.Enable { | ||
| reporterInstance.incCounter(summaryName, make(prometheus.Labels)) | ||
| } | ||
| } | ||
|
|
||
| func IncSummaryWithLabel(counterName string, val float64, label prometheus.Labels) { | ||
| if reporterInstance.reporterConfig.Enable { | ||
| reporterInstance.incSummary(counterName, val, label) | ||
| } | ||
| } | ||
|
|
||
| func IncSummary(summaryName string, val float64) { | ||
| if reporterInstance.reporterConfig.Enable { | ||
| reporterInstance.incSummary(summaryName, val, make(prometheus.Labels)) | ||
| } | ||
| } |
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