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Plugins Instrumentation: add exemplar to the plugin requests metrics (#72071)

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* Plugins Instrumentation: add exemplar to the plugin requests metrics
This commit is contained in:
Ludovic Viaud 2023-07-21 18:01:29 +02:00 committed by GitHub
parent 65d8ea9beb
commit 7ec3489cd3
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 18 additions and 3 deletions
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1
devenv/docker/blocks/self-instrumentation/docker-compose.yaml
View File

@ -6,6 +6,7 @@
- "host.docker.internal:host-gateway"
command: >
--enable-feature=remote-write-receiver
--enable-feature=exemplar-storage
--config.file=/etc/prometheus/prometheus.yml
--storage.tsdb.path=/prometheus
volumes:

20
pkg/plugins/backendplugin/instrumentation/instrumentation.go
View File

@ -76,10 +76,24 @@ func instrumentPluginRequest(ctx context.Context, cfg Cfg, pluginCtx *backend.Pl
}
elapsed := time.Since(start)
pluginRequestDuration.WithLabelValues(pluginCtx.PluginID, endpoint, string(cfg.Target)).Observe(float64(elapsed / time.Millisecond))
pluginRequestCounter.WithLabelValues(pluginCtx.PluginID, endpoint, status, string(cfg.Target)).Inc()
PluginRequestDurationSeconds.WithLabelValues("grafana-backend", pluginCtx.PluginID, endpoint, status, string(cfg.Target)).Observe(elapsed.Seconds())
pluginRequestDurationWithLabels := pluginRequestDuration.WithLabelValues(pluginCtx.PluginID, endpoint, string(cfg.Target))
pluginRequestCounterWithLabels := pluginRequestCounter.WithLabelValues(pluginCtx.PluginID, endpoint, status, string(cfg.Target))
pluginRequestDurationSecondsWithLabels := PluginRequestDurationSeconds.WithLabelValues("grafana-backend", pluginCtx.PluginID, endpoint, status, string(cfg.Target))
if traceID := tracing.TraceIDFromContext(ctx, true); traceID != "" {
pluginRequestDurationWithLabels.(prometheus.ExemplarObserver).ObserveWithExemplar(
float64(elapsed/time.Millisecond), prometheus.Labels{"traceID": traceID},
)
pluginRequestCounterWithLabels.(prometheus.ExemplarAdder).AddWithExemplar(1, prometheus.Labels{"traceID": traceID})
pluginRequestDurationSecondsWithLabels.(prometheus.ExemplarObserver).ObserveWithExemplar(
elapsed.Seconds(), prometheus.Labels{"traceID": traceID},
)
} else {
pluginRequestDurationWithLabels.Observe(float64(elapsed / time.Millisecond))
pluginRequestCounterWithLabels.Inc()
pluginRequestDurationSecondsWithLabels.Observe(elapsed.Seconds())
}
if cfg.LogDatasourceRequests {
logParams := []interface{}{