72 lines
1.6 KiB
Go
72 lines
1.6 KiB
Go
package main
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import (
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"context"
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"errors"
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"flag"
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"log"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"time"
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"codeberg.org/SquidSE/ClusterCanvas/service/internal/api"
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"codeberg.org/SquidSE/ClusterCanvas/service/internal/settings"
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)
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func main() {
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configDirFlag := flag.String(
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"configdir",
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"",
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"config directory (default /etc/ClusterCanvas; overrides CLUSTERCANVAS_CONFIG_DIR)",
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)
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flag.Parse()
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configDir, err := settings.ResolveDir(*configDirFlag)
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if err != nil {
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log.Fatalf("config dir: %v", err)
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}
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log.Printf("config directory: %s", configDir)
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port := os.Getenv("PORT")
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if port == "" {
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port = "8080"
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}
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listenHost := settings.ListenHost(configDir)
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listenAddr := listenHost + ":" + port
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handler, app := api.NewRouterWithApp(configDir)
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server := &http.Server{
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Addr: listenAddr,
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Handler: handler,
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ReadHeaderTimeout: 5 * time.Second,
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}
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go func() {
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log.Printf("clustercanvas service listening on http://%s", listenAddr)
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if err := server.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
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log.Fatalf("listen: %v", err)
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}
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}()
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stopSignals := make(chan os.Signal, 1)
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signal.Notify(stopSignals, syscall.SIGINT, syscall.SIGTERM)
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<-stopSignals
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if app.Executor != nil {
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app.Executor.StopScheduler()
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}
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if app.HealthChecker != nil {
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app.HealthChecker.StopScheduler()
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}
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shutdownContext, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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if err := server.Shutdown(shutdownContext); err != nil {
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log.Fatalf("shutdown: %v", err)
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}
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log.Print("server stopped")
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}
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