// addHTTPStatusMetricsToComponent initializes counter metrics for all http statuses and adds them to the component.
func addHTTPStatusMetricsToComponent(component newrelic_platform_go.IComponent, statusCounters map[int]metrics.Counter) {
for statusCode, counter := range statusCounters {
component.AddMetrica(&counterByStatusMetrica{
counter: counter,
name: fmt.Sprintf("http/status/%d", statusCode),
units: "count",
})
}
}
//Run initialize Agent instance and start harvest go routine
func (agent *Agent) Run() error {
if agent.NewrelicLicense == "" {
return errors.New("please, pass a valid newrelic license key")
}
agent.plugin = newrelic_platform_go.NewNewrelicPlugin(agent.AgentVersion, agent.NewrelicLicense, agent.NewrelicPollInterval)
agent.plugin.Client = agent.Client
var component newrelic_platform_go.IComponent
component = newrelic_platform_go.NewPluginComponent(agent.NewrelicName, agent.AgentGUID)
// Add default metrics and tracer.
addRuntimeMericsToComponent(component)
agent.Tracer = newTracer(component)
// Check agent flags and add relevant metrics.
if agent.CollectGcStat {
addGCMericsToComponent(component, agent.GCPollInterval)
agent.debug(fmt.Sprintf("Init GC metrics collection. Poll interval %d seconds.", agent.GCPollInterval))
}
if agent.CollectMemoryStat {
addMemoryMericsToComponent(component, agent.MemoryAllocatorPollInterval)
agent.debug(fmt.Sprintf("Init memory allocator metrics collection. Poll interval %d seconds.", agent.MemoryAllocatorPollInterval))
}
if agent.CollectHTTPStat {
agent.initTimer()
addHTTPMericsToComponent(component, agent.HTTPTimer)
agent.debug(fmt.Sprintf("Init HTTP metrics collection."))
}
for _, metric := range agent.CustomMetrics {
component.AddMetrica(metric)
agent.debug(fmt.Sprintf("Init %s metric collection.", metric.GetName()))
}
if agent.CollectHTTPStatuses {
agent.initStatusCounters()
component = &resettableComponent{component, agent.HTTPStatusCounters}
addHTTPStatusMetricsToComponent(component, agent.HTTPStatusCounters)
agent.debug(fmt.Sprintf("Init HTTP status metrics collection."))
}
// Init newrelic reporting plugin.
agent.plugin = newrelic_platform_go.NewNewrelicPlugin(agent.AgentVersion, agent.NewrelicLicense, agent.NewrelicPollInterval)
agent.plugin.Verbose = agent.Verbose
// Add our metrics component to the plugin.
agent.plugin.AddComponent(component)
// Start reporting!
go agent.plugin.Run()
return nil
}
func addGCMericsToComponent(component newrelic_platform_go.IComponent, pollInterval int) {
metrics := []*baseGoMetrica{
&baseGoMetrica{
name: "NumberOfGCCalls",
units: "calls",
dataSourceKey: "debug.GCStats.NumGC",
},
&baseGoMetrica{
name: "PauseTotalTime",
units: "nanoseconds",
dataSourceKey: "debug.GCStats.PauseTotal",
},
}
ds := newGCMetricaDataSource(pollInterval)
for _, m := range metrics {
m.basePath = "Runtime/GC/"
m.dataSource = ds
component.AddMetrica(&gaugeMetrica{m})
}
histogramMetrics := []*histogramMetrica{
&histogramMetrica{
statFunction: histogramMax,
baseGoMetrica: &baseGoMetrica{name: "Max"},
},
&histogramMetrica{
statFunction: histogramMin,
baseGoMetrica: &baseGoMetrica{name: "Min"},
},
&histogramMetrica{
statFunction: histogramMean,
baseGoMetrica: &baseGoMetrica{name: "Mean"},
},
&histogramMetrica{
statFunction: histogramPercentile,
percentileValue: 0.95,
baseGoMetrica: &baseGoMetrica{name: "Percentile95"},
},
}
for _, m := range histogramMetrics {
m.baseGoMetrica.units = "nanoseconds"
m.baseGoMetrica.dataSourceKey = "debug.GCStats.Pause"
m.baseGoMetrica.basePath = "Runtime/GC/GCTime/"
m.baseGoMetrica.dataSource = ds
component.AddMetrica(m)
}
}
func (transaction *TraceTransaction) addMetricsToComponent(component newrelic_platform_go.IComponent) {
tracerMean := &timerMeanMetrica{
baseTimerMetrica: &baseTimerMetrica{
name: transaction.name + "/mean",
units: "ms",
dataSource: transaction.timer,
},
}
component.AddMetrica(tracerMean)
tracerMax := &timerMaxMetrica{
baseTimerMetrica: &baseTimerMetrica{
name: transaction.name + "/max",
units: "ms",
dataSource: transaction.timer,
},
}
component.AddMetrica(tracerMax)
tracerMin := &timerMinMetrica{
baseTimerMetrica: &baseTimerMetrica{
name: transaction.name + "/min",
units: "ms",
dataSource: transaction.timer,
},
}
component.AddMetrica(tracerMin)
tracer75 := &timerPercentile75Metrica{
baseTimerMetrica: &baseTimerMetrica{
name: transaction.name + "/percentile75",
units: "ms",
dataSource: transaction.timer,
},
}
component.AddMetrica(tracer75)
tracer90 := &timerPercentile90Metrica{
baseTimerMetrica: &baseTimerMetrica{
name: transaction.name + "/percentile90",
units: "ms",
dataSource: transaction.timer,
},
}
component.AddMetrica(tracer90)
tracer95 := &timerPercentile95Metrica{
baseTimerMetrica: &baseTimerMetrica{
name: transaction.name + "/percentile95",
units: "ms",
dataSource: transaction.timer,
},
}
component.AddMetrica(tracer95)
}
func addHTTPMericsToComponent(component newrelic_platform_go.IComponent, timer metrics.Timer) {
rate1 := &timerRate1Metrica{
baseTimerMetrica: &baseTimerMetrica{
name: "http/throughput/1minute",
units: "rps",
dataSource: timer,
},
}
component.AddMetrica(rate1)
rateMean := &timerRateMeanMetrica{
baseTimerMetrica: &baseTimerMetrica{
name: "http/throughput/rateMean",
units: "rps",
dataSource: timer,
},
}
component.AddMetrica(rateMean)
responseTimeMean := &timerMeanMetrica{
baseTimerMetrica: &baseTimerMetrica{
name: "http/responseTime/mean",
units: "ms",
dataSource: timer,
},
}
component.AddMetrica(responseTimeMean)
responseTimeMax := &timerMaxMetrica{
baseTimerMetrica: &baseTimerMetrica{
name: "http/responseTime/max",
units: "ms",
dataSource: timer,
},
}
component.AddMetrica(responseTimeMax)
responseTimeMin := &timerMinMetrica{
baseTimerMetrica: &baseTimerMetrica{
name: "http/responseTime/min",
units: "ms",
dataSource: timer,
},
}
component.AddMetrica(responseTimeMin)
responseTimePercentile75 := &timerPercentile75Metrica{
baseTimerMetrica: &baseTimerMetrica{
name: "http/responseTime/percentile75",
units: "ms",
dataSource: timer,
},
}
component.AddMetrica(responseTimePercentile75)
responseTimePercentile90 := &timerPercentile90Metrica{
baseTimerMetrica: &baseTimerMetrica{
name: "http/responseTime/percentile90",
units: "ms",
dataSource: timer,
},
}
component.AddMetrica(responseTimePercentile90)
responseTimePercentile95 := &timerPercentile95Metrica{
baseTimerMetrica: &baseTimerMetrica{
name: "http/responseTime/percentile95",
units: "ms",
dataSource: timer,
},
}
component.AddMetrica(responseTimePercentile95)
}