mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-26 20:30:10 +01:00
103 lines
3.4 KiB
Go
103 lines
3.4 KiB
Go
package main
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"net/http"
|
|
"os"
|
|
"time"
|
|
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/app/vlselect"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/app/vlstorage"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/buildinfo"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/cgroup"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/envflag"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/fs"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/procutil"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/pushmetrics"
|
|
)
|
|
|
|
var (
|
|
httpListenAddr = flag.String("httpListenAddr", ":9428", "TCP address to listen for http connections. See also -httpListenAddr.useProxyProtocol")
|
|
useProxyProtocol = flag.Bool("httpListenAddr.useProxyProtocol", false, "Whether to use proxy protocol for connections accepted at -httpListenAddr . "+
|
|
"See https://www.haproxy.org/download/1.8/doc/proxy-protocol.txt . "+
|
|
"With enabled proxy protocol http server cannot serve regular /metrics endpoint. Use -pushmetrics.url for metrics pushing")
|
|
gogc = flag.Int("gogc", 100, "GOGC to use. See https://tip.golang.org/doc/gc-guide")
|
|
)
|
|
|
|
func main() {
|
|
// Write flags and help message to stdout, since it is easier to grep or pipe.
|
|
flag.CommandLine.SetOutput(os.Stdout)
|
|
flag.Usage = usage
|
|
envflag.Parse()
|
|
cgroup.SetGOGC(*gogc)
|
|
buildinfo.Init()
|
|
logger.Init()
|
|
pushmetrics.Init()
|
|
|
|
logger.Infof("starting VictoriaLogs at %q...", *httpListenAddr)
|
|
startTime := time.Now()
|
|
|
|
vlstorage.Init()
|
|
vlselect.Init()
|
|
vlinsert.Init()
|
|
|
|
go httpserver.Serve(*httpListenAddr, *useProxyProtocol, requestHandler)
|
|
logger.Infof("started VictoriaLogs in %.3f seconds; see https://docs.victoriametrics.com/VictoriaLogs/", time.Since(startTime).Seconds())
|
|
|
|
sig := procutil.WaitForSigterm()
|
|
logger.Infof("received signal %s", sig)
|
|
|
|
logger.Infof("gracefully shutting down webservice at %q", *httpListenAddr)
|
|
startTime = time.Now()
|
|
if err := httpserver.Stop(*httpListenAddr); err != nil {
|
|
logger.Fatalf("cannot stop the webservice: %s", err)
|
|
}
|
|
logger.Infof("successfully shut down the webservice in %.3f seconds", time.Since(startTime).Seconds())
|
|
|
|
vlinsert.Stop()
|
|
vlselect.Stop()
|
|
vlstorage.Stop()
|
|
|
|
fs.MustStopDirRemover()
|
|
|
|
logger.Infof("the VictoriaLogs has been stopped in %.3f seconds", time.Since(startTime).Seconds())
|
|
}
|
|
|
|
func requestHandler(w http.ResponseWriter, r *http.Request) bool {
|
|
if r.URL.Path == "/" {
|
|
if r.Method != http.MethodGet {
|
|
return false
|
|
}
|
|
w.Header().Add("Content-Type", "text/html; charset=utf-8")
|
|
fmt.Fprintf(w, "<h2>Single-node VictoriaLogs</h2></br>")
|
|
fmt.Fprintf(w, "See docs at <a href='https://docs.victoriametrics.com/VictoriaLogs/'>https://docs.victoriametrics.com/VictoriaLogs/</a></br>")
|
|
fmt.Fprintf(w, "Useful endpoints:</br>")
|
|
httpserver.WriteAPIHelp(w, [][2]string{
|
|
{"metrics", "available service metrics"},
|
|
{"flags", "command-line flags"},
|
|
})
|
|
return true
|
|
}
|
|
if vlinsert.RequestHandler(w, r) {
|
|
return true
|
|
}
|
|
if vlselect.RequestHandler(w, r) {
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
func usage() {
|
|
const s = `
|
|
victoria-logs is a log management and analytics service.
|
|
|
|
See the docs at https://docs.victoriametrics.com/VictoriaLogs/
|
|
`
|
|
flagutil.Usage(s)
|
|
}
|