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lib/procutil: add NewSighupChan function, which returns a channel, which is triggered on every SIGHUP

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This commit is contained in:
Aliaksandr Valialkin 2020-05-05 09:27:38 +03:00
parent 1aea001532
commit 7b5ef63384
2 changed files with 10 additions and 6 deletions
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9
lib/procutil/signal.go
View File

@ -16,8 +16,8 @@ import (
// since this signal is frequently used for config reloading.
func WaitForSigterm() os.Signal {
ch := make(chan os.Signal, 1)
signal.Notify(ch, os.Interrupt, syscall.SIGTERM, syscall.SIGHUP)
for {
signal.Notify(ch, os.Interrupt, syscall.SIGTERM, syscall.SIGHUP)
sig := <-ch
if sig == syscall.SIGHUP {
// Prevent from the program stop on SIGHUP
@ -33,3 +33,10 @@ func SelfSIGHUP() {
logger.Panicf("FATAL: cannot send SIGHUP to itself: %s", err)
}
}
// NewSighupChan returns a channel, which is triggered on every SIGHUP.
func NewSighupChan() <-chan os.Signal {
ch := make(chan os.Signal, 1)
signal.Notify(ch, syscall.SIGHUP)
return ch
}

7
lib/promscrape/scraper.go
View File

@ -4,13 +4,11 @@ import (
"bytes"
"flag"
"fmt"
"os"
"os/signal"
"sync"
"syscall"
"time"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/procutil"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
"github.com/VictoriaMetrics/metrics"
)
@ -79,8 +77,7 @@ func runScraper(configFile string, pushData func(wr *prompbmarshal.WriteRequest)
scs.add("ec2_sd_configs", *ec2SDCheckInterval, func(cfg *Config, swsPrev []ScrapeWork) []ScrapeWork { return cfg.getEC2SDScrapeWork() })
scs.add("gce_sd_configs", *gceSDCheckInterval, func(cfg *Config, swsPrev []ScrapeWork) []ScrapeWork { return cfg.getGCESDScrapeWork() })
sighupCh := make(chan os.Signal, 1)
signal.Notify(sighupCh, syscall.SIGHUP)
sighupCh := procutil.NewSighupChan()
var tickerCh <-chan time.Time
if *configCheckInterval > 0 {