soteria/cmd/soteria/main.go

73 lines
1.6 KiB
Go

package main
import (
"context"
"errors"
"log"
"net/http"
"os"
"os/signal"
"syscall"
"time"
"scm.bstein.dev/bstein/soteria/internal/config"
"scm.bstein.dev/bstein/soteria/internal/k8s"
"scm.bstein.dev/bstein/soteria/internal/longhorn"
"scm.bstein.dev/bstein/soteria/internal/server"
)
func main() {
log.SetFlags(log.LstdFlags | log.LUTC)
cfg, err := config.Load()
if err != nil {
log.Fatalf("config: %v", err)
}
client, err := k8s.New()
if err != nil {
log.Fatalf("k8s client: %v", err)
}
longhornClient := longhorn.New(cfg.LonghornURL)
srv := server.New(cfg, client, longhornClient)
httpServer := &http.Server{
Addr: cfg.ListenAddr,
Handler: srv.Handler(),
ReadHeaderTimeout: 5 * time.Second,
ReadTimeout: 15 * time.Second,
WriteTimeout: 60 * time.Second,
IdleTimeout: 30 * time.Second,
}
errCh := make(chan error, 1)
go func() {
log.Printf("soteria listening on %s", cfg.ListenAddr)
errCh <- httpServer.ListenAndServe()
}()
signalCh := make(chan os.Signal, 1)
signal.Notify(signalCh, syscall.SIGINT, syscall.SIGTERM)
select {
case sig := <-signalCh:
log.Printf("shutdown signal: %s", sig)
case err := <-errCh:
if err != nil && !errors.Is(err, http.ErrServerClosed) {
log.Fatalf("server error: %v", err)
}
return
}
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
if err := httpServer.Shutdown(ctx); err != nil {
log.Printf("shutdown error: %v", err)
}
err = <-errCh
if err != nil && !errors.Is(err, http.ErrServerClosed) {
log.Printf("server error: %v", err)
}
}