Move monitoring PF infrastructure to Go

cmd/scheduler/main.go

@@ -0,0 +1,61 @@
+package main
+
+import (
+	"context"
+	"log/slog"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"monitoring-pf/internal/pf"
+)
+
+func main() {
+	cfg := pf.LoadConfig()
+	logger := slog.New(slog.NewJSONHandler(os.Stdout, nil))
+	slog.SetDefault(logger)
+
+	ctx, stop := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
+	defer stop()
+
+	app, err := pf.OpenApp(ctx, cfg)
+	if err != nil {
+		slog.Error("db_open_failed", "error", err)
+		os.Exit(1)
+	}
+	defer app.Close()
+
+	interval := cfg.SchedulerInterval()
+	slog.Info("monitoring_pf_scheduler_started", "interval", interval.String())
+	timer := time.NewTimer(interval)
+	defer timer.Stop()
+
+	for {
+		select {
+		case <-ctx.Done():
+			slog.Info("monitoring_pf_scheduler_stopped")
+			return
+		case <-timer.C:
+			run(ctx, app)
+			timer.Reset(interval)
+		}
+	}
+}
+
+func run(ctx context.Context, app *pf.App) {
+	start := time.Now()
+	slog.Info("scheduled_scan_starting")
+	summary, err := app.Worker.CheckAll(ctx)
+	if err != nil {
+		slog.Error("scheduled_scan_failed", "error", err)
+		return
+	}
+	total := 0
+	for _, changes := range summary {
+		if changes > 0 {
+			total += changes
+		}
+	}
+	slog.Info("scheduled_scan_done", "projects", len(summary), "total_changes", total, "elapsed", time.Since(start).String())
+}