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Add router metrics

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This commit is contained in:
Jorge Arco 2021-04-30 10:22:04 +02:00 • committed by GitHub
parent dc8d5ef744
commit 080cf98e51
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26 changed files with 756 additions and 217 deletions
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55
pkg/metrics/prometheus.go
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@ -40,16 +40,21 @@ const (
entryPointReqDurationName = metricEntryPointPrefix + "request_duration_seconds"
entryPointOpenConnsName = metricEntryPointPrefix + "open_connections"
// service level.
// router level.
metricRouterPrefix = MetricNamePrefix + "router_"
routerReqsTotalName = metricRouterPrefix + "requests_total"
routerReqsTLSTotalName = metricRouterPrefix + "requests_tls_total"
routerReqDurationName = metricRouterPrefix + "request_duration_seconds"
routerOpenConnsName = metricRouterPrefix + "open_connections"
// MetricServicePrefix prefix of all service metric names.
MetricServicePrefix = MetricNamePrefix + "service_"
serviceReqsTotalName = MetricServicePrefix + "requests_total"
serviceReqsTLSTotalName = MetricServicePrefix + "requests_tls_total"
serviceReqDurationName = MetricServicePrefix + "request_duration_seconds"
serviceOpenConnsName = MetricServicePrefix + "open_connections"
serviceRetriesTotalName = MetricServicePrefix + "retries_total"
serviceServerUpName = MetricServicePrefix + "server_up"
// service level.
metricServicePrefix = MetricNamePrefix + "service_"
serviceReqsTotalName = metricServicePrefix + "requests_total"
serviceReqsTLSTotalName = metricServicePrefix + "requests_tls_total"
serviceReqDurationName = metricServicePrefix + "request_duration_seconds"
serviceOpenConnsName = metricServicePrefix + "open_connections"
serviceRetriesTotalName = metricServicePrefix + "retries_total"
serviceServerUpName = metricServicePrefix + "server_up"
)
// promState holds all metric state internally and acts as the only Collector we register for Prometheus.
@ -140,6 +145,7 @@ func initStandardRegistry(config *types.Prometheus) Registry {
reg := &standardRegistry{
epEnabled: config.AddEntryPointsLabels,
routerEnabled: config.AddRoutersLabels,
svcEnabled: config.AddServicesLabels,
configReloadsCounter: configReloads,
configReloadsFailureCounter: configReloadsFailures,
@ -180,6 +186,37 @@ func initStandardRegistry(config *types.Prometheus) Registry {
reg.entryPointOpenConnsGauge = entryPointOpenConns
}
if config.AddRoutersLabels {
routerReqs := newCounterFrom(promState.collectors, stdprometheus.CounterOpts{
Name: routerReqsTotalName,
Help: "How many HTTP requests are processed on a router, partitioned by service, status code, protocol, and method.",
}, []string{"code", "method", "protocol", "router", "service"})
routerReqsTLS := newCounterFrom(promState.collectors, stdprometheus.CounterOpts{
Name: routerReqsTLSTotalName,
Help: "How many HTTP requests with TLS are processed on a router, partitioned by service, TLS Version, and TLS cipher Used.",
}, []string{"tls_version", "tls_cipher", "router", "service"})
routerReqDurations := newHistogramFrom(promState.collectors, stdprometheus.HistogramOpts{
Name: routerReqDurationName,
Help: "How long it took to process the request on a router, partitioned by service, status code, protocol, and method.",
Buckets: buckets,
}, []string{"code", "method", "protocol", "router", "service"})
routerOpenConns := newGaugeFrom(promState.collectors, stdprometheus.GaugeOpts{
Name: routerOpenConnsName,
Help: "How many open connections exist on a router, partitioned by service, method, and protocol.",
}, []string{"method", "protocol", "router", "service"})
promState.describers = append(promState.describers, []func(chan<- *stdprometheus.Desc){
routerReqs.cv.Describe,
routerReqsTLS.cv.Describe,
routerReqDurations.hv.Describe,
routerOpenConns.gv.Describe,
}...)
reg.routerReqsCounter = routerReqs
reg.routerReqsTLSCounter = routerReqsTLS
reg.routerReqDurationHistogram, _ = NewHistogramWithScale(routerReqDurations, time.Second)
reg.routerOpenConnsGauge = routerOpenConns
}
if config.AddServicesLabels {
serviceReqs := newCounterFrom(promState.collectors, stdprometheus.CounterOpts{
Name: serviceReqsTotalName,