ipng/nginx-logtail
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Refactor docs; Add 'ipng_source_tag', add udp listener for nginx-ipng-stats plugin

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This commit is contained in:
Pim van Pelt
2026-04-17 09:50:54 +02:00
parent 0ecca06069
commit 577ed3dad5
26 changed files with 1319 additions and 1718 deletions
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22
cmd/collector/main.go
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@@ -28,13 +28,17 @@ func main() {
v4prefix := flag.Int("v4prefix", envOrInt("COLLECTOR_V4PREFIX", 24), "IPv4 prefix length for client bucketing (env: COLLECTOR_V4PREFIX)")
v6prefix := flag.Int("v6prefix", envOrInt("COLLECTOR_V6PREFIX", 48), "IPv6 prefix length for client bucketing (env: COLLECTOR_V6PREFIX)")
scanInterval := flag.Duration("scan-interval", envOrDuration("COLLECTOR_SCAN_INTERVAL", 10*time.Second), "how often to rescan glob patterns for new/removed files (env: COLLECTOR_SCAN_INTERVAL)")
logtailPort := flag.Int("logtail-port", envOrInt("COLLECTOR_LOGTAIL_PORT", 0), "UDP port to receive nginx ipng_stats_logtail packets, 0 to disable (env: COLLECTOR_LOGTAIL_PORT)")
logtailBind := flag.String("logtail-bind", envOr("COLLECTOR_LOGTAIL_BIND", "127.0.0.1"), "UDP bind address for the logtail listener (env: COLLECTOR_LOGTAIL_BIND)")
flag.Parse()
patterns := collectPatterns(*logPaths, *logsFile)
if len(patterns) == 0 {
log.Fatal("collector: no log paths specified; use --logs or --logs-file")
if len(patterns) == 0 && *logtailPort == 0 {
log.Fatal("collector: no inputs configured; use --logs, --logs-file, or --logtail-port")
}
if len(patterns) > 0 {
log.Printf("collector: watching %d pattern(s), rescan every %s", len(patterns), *scanInterval)
}
log.Printf("collector: watching %d pattern(s), rescan every %s", len(patterns), *scanInterval)
ctx, stop := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
defer stop()
@@ -57,8 +61,16 @@ func main() {
}
go store.Run(ch)
tailer := NewMultiTailer(patterns, *scanInterval, *v4prefix, *v6prefix, ch)
go tailer.Run(ctx)
if len(patterns) > 0 {
tailer := NewMultiTailer(patterns, *scanInterval, *v4prefix, *v6prefix, ch)
go tailer.Run(ctx)
}
if *logtailPort > 0 {
udp := NewUDPListener(net.JoinHostPort(*logtailBind, strconv.Itoa(*logtailPort)), *v4prefix, *v6prefix, ch)
udp.SetProm(store.prom)
go udp.Run(ctx)
}
lis, err := net.Listen("tcp", *listen)
if err != nil {