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Add Prometheus exporter

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Frédéric Guillot 2020-09-27 16:01:06 -07:00 • committed by Frédéric Guillot
parent 16b7b3bc3e
commit c394a61a4e
61 changed files with 809 additions and 96 deletions
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20
cli/daemon.go
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@ -9,12 +9,12 @@ import (
"net/http"
"os"
"os/signal"
"runtime"
"syscall"
"time"
"miniflux.app/config"
"miniflux.app/logger"
"miniflux.app/metric"
"miniflux.app/reader/feed"
"miniflux.app/service/httpd"
"miniflux.app/service/scheduler"
@ -32,8 +32,6 @@ func startDaemon(store *storage.Storage) {
feedHandler := feed.NewFeedHandler(store)
pool := worker.NewPool(feedHandler, config.Opts.WorkerPoolSize())
go showProcessStatistics()
if config.Opts.HasSchedulerService() && !config.Opts.HasMaintenanceMode() {
scheduler.Serve(store, pool)
}
@ -43,6 +41,11 @@ func startDaemon(store *storage.Storage) {
httpServer = httpd.Serve(store, pool, feedHandler)
}
if config.Opts.HasMetricsCollector() {
collector := metric.NewCollector(store, config.Opts.MetricsRefreshInterval())
go collector.GatherStorageMetrics()
}
<-stop
logger.Info("Shutting down the process...")
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
@ -54,14 +57,3 @@ func startDaemon(store *storage.Storage) {
logger.Info("Process gracefully stopped")
}
func showProcessStatistics() {
for {
var m runtime.MemStats
runtime.ReadMemStats(&m)
logger.Debug("Sys=%vK, InUse=%vK, HeapInUse=%vK, StackSys=%vK, StackInUse=%vK, GoRoutines=%d, NumCPU=%d",
m.Sys/1024, (m.Sys-m.HeapReleased)/1024, m.HeapInuse/1024, m.StackSys/1024, m.StackInuse/1024,
runtime.NumGoroutine(), runtime.NumCPU())
time.Sleep(30 * time.Second)
}
}