2020-07-24 13:54:03 +00:00
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package main
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import (
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2021-06-28 14:01:31 +00:00
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"context"
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2020-07-24 13:54:03 +00:00
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"flag"
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"fmt"
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2021-05-11 22:59:05 +00:00
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"net/http"
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2020-07-24 13:54:03 +00:00
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"os"
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2021-06-28 14:01:31 +00:00
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"os/signal"
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"syscall"
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2020-07-24 13:54:03 +00:00
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"github.com/nspcc-dev/neofs-node/misc"
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"github.com/nspcc-dev/neofs-node/pkg/innerring"
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2021-05-11 22:59:05 +00:00
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httputil "github.com/nspcc-dev/neofs-node/pkg/util/http"
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2020-07-24 13:54:03 +00:00
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"github.com/nspcc-dev/neofs-node/pkg/util/logger"
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2021-05-11 22:59:05 +00:00
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"github.com/prometheus/client_golang/prometheus/promhttp"
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2021-05-12 07:35:18 +00:00
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"github.com/spf13/viper"
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2020-10-13 15:40:35 +00:00
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"go.uber.org/zap"
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2020-07-24 13:54:03 +00:00
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)
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const (
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// ErrorReturnCode returns when application crashed at initialization stage
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ErrorReturnCode = 1
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// SuccessReturnCode returns when application closed without panic
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SuccessReturnCode = 0
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)
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func exitErr(err error) {
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if err != nil {
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fmt.Println(err)
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os.Exit(ErrorReturnCode)
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}
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}
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func main() {
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configFile := flag.String("config", "", "path to config")
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versionFlag := flag.Bool("version", false, "neofs-ir node version")
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flag.Parse()
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if *versionFlag {
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2022-07-08 12:45:21 +00:00
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fmt.Print(misc.BuildInfo("NeoFS Inner Ring node"))
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2021-07-06 13:20:11 +00:00
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2020-07-24 13:54:03 +00:00
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os.Exit(SuccessReturnCode)
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}
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cfg, err := newConfig(*configFile)
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exitErr(err)
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2021-05-11 08:54:59 +00:00
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var logPrm logger.Prm
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err = logPrm.SetLevelString(
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cfg.GetString("logger.level"),
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)
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exitErr(err)
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2022-09-28 09:19:23 +00:00
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log, err := logger.NewLogger(&logPrm)
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2020-07-24 13:54:03 +00:00
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exitErr(err)
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2021-06-28 14:01:31 +00:00
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ctx, cancel := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM, syscall.SIGHUP)
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defer cancel()
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2020-10-13 15:40:35 +00:00
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intErr := make(chan error) // internal inner ring errors
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2020-07-24 13:54:03 +00:00
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2022-07-13 09:17:37 +00:00
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httpServers := initHTTPServers(cfg, log)
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2020-07-24 13:54:03 +00:00
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2022-03-31 12:46:28 +00:00
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innerRing, err := innerring.New(ctx, log, cfg, intErr)
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2021-05-31 05:16:10 +00:00
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exitErr(err)
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2020-07-24 13:54:03 +00:00
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2021-05-11 22:59:05 +00:00
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// start HTTP servers
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for i := range httpServers {
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srv := httpServers[i]
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go func() {
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exitErr(srv.Serve())
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}()
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2020-07-24 13:54:03 +00:00
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}
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// start inner ring
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2020-10-13 15:40:35 +00:00
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err = innerRing.Start(ctx, intErr)
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2021-05-31 05:16:10 +00:00
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exitErr(err)
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2020-07-24 13:54:03 +00:00
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2021-05-11 09:25:14 +00:00
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log.Info("application started",
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2022-07-13 14:45:33 +00:00
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zap.String("version", misc.Version))
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2020-07-24 13:54:03 +00:00
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2020-10-13 15:40:35 +00:00
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select {
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case <-ctx.Done():
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case err := <-intErr:
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log.Info("internal error", zap.String("msg", err.Error()))
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}
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2020-07-24 13:54:03 +00:00
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innerRing.Stop()
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2021-05-11 22:59:05 +00:00
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// shut down HTTP servers
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for i := range httpServers {
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srv := httpServers[i]
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go func() {
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err := srv.Shutdown()
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if err != nil {
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log.Debug("could not shutdown HTTP server",
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zap.String("error", err.Error()),
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)
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}
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}()
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}
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2020-07-24 13:54:03 +00:00
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log.Info("application stopped")
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}
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2020-11-13 12:19:33 +00:00
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2022-07-13 09:17:37 +00:00
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func initHTTPServers(cfg *viper.Viper, log *logger.Logger) []*httputil.Server {
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2021-05-12 07:37:58 +00:00
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items := []struct {
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cfgPrefix string
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handler func() http.Handler
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}{
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2022-08-03 17:50:01 +00:00
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{"pprof", httputil.Handler},
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{"prometheus", promhttp.Handler},
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2021-05-12 07:37:58 +00:00
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}
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httpServers := make([]*httputil.Server, 0, len(items))
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for _, item := range items {
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2022-07-13 09:17:37 +00:00
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if !cfg.GetBool(item.cfgPrefix + ".enabled") {
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2022-08-03 17:50:01 +00:00
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log.Info(item.cfgPrefix + " is disabled, skip")
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continue
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2021-05-12 07:35:18 +00:00
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}
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2022-07-13 09:17:37 +00:00
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addr := cfg.GetString(item.cfgPrefix + ".address")
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2021-05-12 07:35:18 +00:00
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var prm httputil.Prm
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prm.Address = addr
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prm.Handler = item.handler()
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httpServers = append(httpServers,
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httputil.New(prm,
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httputil.WithShutdownTimeout(
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2022-08-03 17:50:01 +00:00
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cfg.GetDuration(item.cfgPrefix+".shutdown_timeout"),
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2021-05-12 07:35:18 +00:00
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),
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),
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)
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}
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return httpServers
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}
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