Files
cachet-monitor/main.go

55 lines
1.0 KiB
Go

package main
import (
"os"
"os/signal"
"sync"
"time"
"github.com/castawaylabs/cachet-monitor/cachet"
)
func main() {
config := cachet.Config
log := cachet.Logger
log.Printf("System: %s, API: %s\n", config.SystemName, config.APIUrl)
log.Printf("Starting %d monitors:\n", len(config.Monitors))
for _, mon := range config.Monitors {
log.Printf(" %s: GET %s & Expect HTTP %d\n", mon.Name, mon.URL, mon.ExpectedStatusCode)
if mon.MetricID > 0 {
log.Printf(" - Logs lag to metric id: %d\n", mon.MetricID)
}
}
log.Println()
wg := &sync.WaitGroup{}
for _, mon := range config.Monitors {
wg.Add(1)
go func(mon *cachet.Monitor) {
ticker := time.NewTicker(mon.Interval * time.Second)
for {
select {
case <-ticker.C:
mon.Run()
case <-mon.StopC():
wg.Done()
return
}
}
}(mon)
}
signals := make(chan os.Signal, 1)
signal.Notify(signals, os.Interrupt, os.Kill)
<-signals
log.Println("Waiting monitors to end current operation")
for _, mon := range config.Monitors {
mon.Stop()
}
wg.Wait()
}