frostfs-node/cmd/neofs-node/main.go
Pavel Karpy b5cadff2c3 [#745] node: Add more debug logs on shutdown
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
2021-08-05 14:44:05 +03:00

127 lines
2.4 KiB
Go

package main
import (
"context"
"flag"
"fmt"
"log"
"os"
"os/signal"
"syscall"
"github.com/nspcc-dev/neofs-node/misc"
"github.com/nspcc-dev/neofs-node/pkg/services/control"
"go.uber.org/zap"
)
const (
// SuccessReturnCode returns when application closed without panic
SuccessReturnCode = 0
)
// prints err to standard logger and calls os.Exit(1).
func fatalOnErr(err error) {
if err != nil {
log.Fatal(err)
}
}
// prints err with details to standard logger and calls os.Exit(1).
func fatalOnErrDetails(details string, err error) {
if err != nil {
log.Fatal(fmt.Errorf("%s: %w", details, err))
}
}
func main() {
configFile := flag.String("config", "", "path to config")
versionFlag := flag.Bool("version", false, "neofs-ir node version")
flag.Parse()
if *versionFlag {
fmt.Printf(
"Version: %s \nBuild: %s \nDebug: %s\n",
misc.Version,
misc.Build,
misc.Debug,
)
os.Exit(SuccessReturnCode)
}
c := initCfg(*configFile)
initApp(c)
c.setHealthStatus(control.HealthStatus_STARTING)
bootUp(c)
c.setHealthStatus(control.HealthStatus_READY)
wait(c)
c.setHealthStatus(control.HealthStatus_SHUTTING_DOWN)
shutdown(c)
}
func initApp(c *cfg) {
c.ctx, c.ctxCancel = signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM, syscall.SIGHUP)
initGRPC(c)
initNetmapService(c)
initAccountingService(c)
initContainerService(c)
initSessionService(c)
initReputationService(c)
initObjectService(c)
initProfiler(c)
initMetrics(c)
initControlService(c)
fatalOnErr(c.cfgObject.cfgLocalStorage.localStorage.Open())
fatalOnErr(c.cfgObject.cfgLocalStorage.localStorage.Init())
listenMorphNotifications(c)
}
func bootUp(c *cfg) {
serveGRPC(c)
bootstrapNode(c)
startWorkers(c)
startBlockTimers(c)
}
func wait(c *cfg) {
c.log.Info("application started",
zap.String("build time", misc.Build),
zap.String("version", misc.Version),
zap.String("debug", misc.Debug),
)
select {
case <-c.ctx.Done(): // graceful shutdown
case err := <-c.internalErr: // internal application error
close(c.internalErr)
c.ctxCancel()
c.log.Warn("internal application error",
zap.String("message", err.Error()))
}
}
func shutdown(c *cfg) {
for _, closer := range c.closers {
closer()
}
c.log.Debug("waiting for all processes to stop")
c.wg.Wait()
}
func (c *cfg) onShutdown(f func()) {
c.closers = append(c.closers, f)
}