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main.go
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main.go
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package main
import (
"context"
"os"
"os/signal"
"syscall"
app "github.com/kvvPro/metric-collector/cmd/server/app"
"github.com/kvvPro/metric-collector/cmd/server/config"
"go.uber.org/zap"
)
func main() {
shutdown := make(chan os.Signal, 1)
signal.Notify(shutdown, syscall.SIGINT, syscall.SIGQUIT, syscall.SIGTERM)
logger, err := zap.NewDevelopment()
if err != nil {
// вызываем панику, если ошибка
panic(err)
}
defer logger.Sync()
// делаем регистратор SugaredLogger
app.Sugar = *logger.Sugar()
srvFlags := initConfigs()
app.Sugar.Infoln("after init config")
srv, err := app.NewServer(srvFlags)
if err != nil {
app.Sugar.Fatalw(err.Error(), "event", "create server")
}
ctx := context.Background()
srv.StartServer(ctx, srvFlags)
sigQuit := <-shutdown
srv.StopServer(ctx)
app.Sugar.Infoln("Server shutdown by signal: ", sigQuit)
}
var (
buildVersion string = "N/A"
buildDate string = "N/A"
buildCommit string = "N/A"
)
func initConfigs() *config.ServerFlags {
app.Sugar.Infof("\nBuild version: %v", buildVersion)
app.Sugar.Infof("\nBuild date: %v", buildDate)
app.Sugar.Infof("\nBuild commit: %v", buildCommit)
app.Sugar.Infoln("before init config")
configs, err := config.ReadConfig()
if err != nil {
app.Sugar.Fatalw(err.Error(), "event", "read config")
}
err = config.Initialize(configs)
if err != nil {
app.Sugar.Fatalw(err.Error(), "event", "read config")
}
return configs
}