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Changed Metrics to be exposed via Exporter

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This change exposes the gateway metrics with an exporter which
implements the Collector interface of prometheus.
This change Fixes #697

Signed-off-by: Ken Fukuyama <kenfdev@gmail.com>
This commit is contained in:
Ken Fukuyama
2018-08-07 07:33:25 +09:00
committed by Alex Ellis
parent 6d6a487711
commit 4fabd50799
4 changed files with 134 additions and 15 deletions
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10
gateway/server.go
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@ -47,13 +47,15 @@ func main() {
}
}
metricsOptions := metrics.BuildMetricsOptions()
metrics.RegisterMetrics(metricsOptions)
var faasHandlers types.HandlerSet
servicePollInterval := time.Second * 5
metricsOptions := metrics.BuildMetricsOptions()
exporter := metrics.NewExporter(metricsOptions)
exporter.StartServiceWatcher(*config.FunctionsProviderURL, metricsOptions, "func", servicePollInterval)
metrics.RegisterExporter(exporter)
reverseProxy := types.NewHTTPClientReverseProxy(config.FunctionsProviderURL, config.UpstreamTimeout)
loggingNotifier := handlers.LoggingNotifier{}
@ -84,8 +86,6 @@ func main() {
alertHandler := plugin.NewExternalServiceQuery(*config.FunctionsProviderURL)
faasHandlers.Alert = handlers.MakeAlertHandler(alertHandler)
metrics.AttachExternalWatcher(*config.FunctionsProviderURL, metricsOptions, "func", servicePollInterval)
if config.UseNATS() {
log.Println("Async enabled: Using NATS Streaming.")
natsQueue, queueErr := natsHandler.CreateNatsQueue(*config.NATSAddress, *config.NATSPort, natsHandler.DefaultNatsConfig{})