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Code Releases Activity

Allow /metrics on default port; reduce memory if not enabled

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This commit is contained in:
binwiederhier 2023-03-15 22:34:06 -04:00
parent bb3fe4f830
commit 358b344916
9 changed files with 184 additions and 125 deletions

191
server/server_metrics.go
View file

@ -5,101 +5,108 @@ import (
)
var (
metrics = newMetrics()
metricMessagesPublishedSuccess prometheus.Counter
metricMessagesPublishedFailure prometheus.Counter
metricMessagesCached prometheus.Gauge
metricFirebasePublishedSuccess prometheus.Counter
metricFirebasePublishedFailure prometheus.Counter
metricEmailsPublishedSuccess prometheus.Counter
metricEmailsPublishedFailure prometheus.Counter
metricEmailsReceivedSuccess prometheus.Counter
metricEmailsReceivedFailure prometheus.Counter
metricUnifiedPushPublishedSuccess prometheus.Counter
metricMatrixPublishedSuccess prometheus.Counter
metricMatrixPublishedFailure prometheus.Counter
metricAttachmentsTotalSize prometheus.Gauge
metricVisitors prometheus.Gauge
metricSubscribers prometheus.Gauge
metricTopics prometheus.Gauge
metricHTTPRequests *prometheus.CounterVec
)
type serverMetrics struct {
messagesPublishedSuccess prometheus.Counter
messagesPublishedFailure prometheus.Counter
messagesCached prometheus.Gauge
firebasePublishedSuccess prometheus.Counter
firebasePublishedFailure prometheus.Counter
emailsPublishedSuccess prometheus.Counter
emailsPublishedFailure prometheus.Counter
emailsReceivedSuccess prometheus.Counter
emailsReceivedFailure prometheus.Counter
unifiedPushPublishedSuccess prometheus.Counter
matrixPublishedSuccess prometheus.Counter
matrixPublishedFailure prometheus.Counter
attachmentsTotalSize prometheus.Gauge
visitors prometheus.Gauge
subscribers prometheus.Gauge
topics prometheus.Gauge
httpRequests *prometheus.CounterVec
func initMetrics() {
metricMessagesPublishedSuccess = prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_messages_published_success",
})
metricMessagesPublishedFailure = prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_messages_published_failure",
})
metricMessagesCached = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "ntfy_messages_cached_total",
})
metricFirebasePublishedSuccess = prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_firebase_published_success",
})
metricFirebasePublishedFailure = prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_firebase_published_failure",
})
metricEmailsPublishedSuccess = prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_emails_sent_success",
})
metricEmailsPublishedFailure = prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_emails_sent_failure",
})
metricEmailsReceivedSuccess = prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_emails_received_success",
})
metricEmailsReceivedFailure = prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_emails_received_failure",
})
metricUnifiedPushPublishedSuccess = prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_unifiedpush_published_success",
})
metricMatrixPublishedSuccess = prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_matrix_published_success",
})
metricMatrixPublishedFailure = prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_matrix_published_failure",
})
metricAttachmentsTotalSize = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "ntfy_attachments_total_size",
})
metricVisitors = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "ntfy_visitors_total",
})
metricSubscribers = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "ntfy_subscribers_total",
})
metricTopics = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "ntfy_topics_total",
})
metricHTTPRequests = prometheus.NewCounterVec(prometheus.CounterOpts{
Name: "ntfy_http_requests_total",
}, []string{"http_code", "ntfy_code", "http_method"})
prometheus.MustRegister(
metricMessagesPublishedSuccess,
metricMessagesPublishedFailure,
metricMessagesCached,
metricFirebasePublishedSuccess,
metricFirebasePublishedFailure,
metricEmailsPublishedSuccess,
metricEmailsPublishedFailure,
metricEmailsReceivedSuccess,
metricEmailsReceivedFailure,
metricUnifiedPushPublishedSuccess,
metricMatrixPublishedSuccess,
metricMatrixPublishedFailure,
metricAttachmentsTotalSize,
metricVisitors,
metricSubscribers,
metricTopics,
metricHTTPRequests,
)
}
func newMetrics() *serverMetrics {
m := &serverMetrics{
messagesPublishedSuccess: prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_messages_published_success",
}),
messagesPublishedFailure: prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_messages_published_failure",
}),
messagesCached: prometheus.NewGauge(prometheus.GaugeOpts{
Name: "ntfy_messages_cached_total",
}),
firebasePublishedSuccess: prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_firebase_published_success",
}),
firebasePublishedFailure: prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_firebase_published_failure",
}),
emailsPublishedSuccess: prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_emails_sent_success",
}),
emailsPublishedFailure: prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_emails_sent_failure",
}),
emailsReceivedSuccess: prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_emails_received_success",
}),
emailsReceivedFailure: prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_emails_received_failure",
}),
unifiedPushPublishedSuccess: prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_unifiedpush_published_success",
}),
matrixPublishedSuccess: prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_matrix_published_success",
}),
matrixPublishedFailure: prometheus.NewCounter(prometheus.CounterOpts{
Name: "ntfy_matrix_published_failure",
}),
attachmentsTotalSize: prometheus.NewGauge(prometheus.GaugeOpts{
Name: "ntfy_attachments_total_size",
}),
visitors: prometheus.NewGauge(prometheus.GaugeOpts{
Name: "ntfy_visitors_total",
}),
subscribers: prometheus.NewGauge(prometheus.GaugeOpts{
Name: "ntfy_subscribers_total",
}),
topics: prometheus.NewGauge(prometheus.GaugeOpts{
Name: "ntfy_topics_total",
}),
httpRequests: prometheus.NewCounterVec(prometheus.CounterOpts{
Name: "ntfy_http_requests_total",
}, []string{"http_code", "ntfy_code", "http_method"}),
// minc increments a prometheus.Counter if it is non-nil
func minc(counter prometheus.Counter) {
if counter != nil {
counter.Inc()
}
}
// mset sets a prometheus.Gauge if it is non-nil
func mset[T int | int64 | float64](gauge prometheus.Gauge, value T) {
if gauge != nil {
gauge.Set(float64(value))
}
prometheus.MustRegister(
m.messagesPublishedSuccess,
m.messagesPublishedFailure,
m.messagesCached,
m.firebasePublishedSuccess,
m.firebasePublishedFailure,
m.emailsPublishedSuccess,
m.emailsPublishedFailure,
m.emailsReceivedSuccess,
m.emailsReceivedFailure,
m.unifiedPushPublishedSuccess,
m.matrixPublishedSuccess,
m.matrixPublishedFailure,
m.attachmentsTotalSize,
m.visitors,
m.subscribers,
m.topics,
m.httpRequests,
)
return m
}