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main.go
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main.go
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package main
import (
"context"
"os"
"os/signal"
"syscall"
log "github.com/sirupsen/logrus"
"github.com/evilmartians/asyncproxy/config"
"github.com/evilmartians/asyncproxy/internal/proxy"
"github.com/evilmartians/asyncproxy/server"
)
func main() {
// Disable colors with LOG_COLOR=false
log.SetFormatter(&log.TextFormatter{
DisableColors: os.Getenv("LOG_COLOR") == "false",
})
log.Info("Initializing...")
path, err := os.Getwd()
if err != nil {
log.Fatal(err)
}
cfg, err := config.LoadConfig(path)
if err != nil {
log.Fatal(err)
}
log.Info("Initialization done!")
log.Info("Server starting...")
ctx, forceShutdown := context.WithCancel(context.Background())
defer forceShutdown()
asyncProxy := proxy.NewProxy(cfg)
srv := server.NewServer(cfg, ctx)
srv.Mux.Handle("/", srv.MetricsMiddleware(asyncProxy))
asyncProxy.Start(ctx)
srv.Start()
log.Info("Server started!")
// Handle shutdowns gracefully
signalChan := make(chan os.Signal, 1)
signal.Notify(
signalChan,
syscall.SIGINT,
syscall.SIGTERM,
)
<-signalChan
log.Info("Shutting down gracefully...")
go func() {
<-signalChan
forceShutdown()
}()
gracefulCtx, cancel := context.WithTimeout(ctx, cfg.Server.ShutdownTimeout)
defer cancel()
srv.Stop(gracefulCtx)
asyncProxy.Stop(gracefulCtx)
}