postgres optimisations and daily sqlite vacuum

main.go

@@ -139,7 +139,6 @@ func main() {
 				logger.Info("encrypted vcenter password stored in settings file")
 			}
 		}
-		//os.Exit(1)
 	}
 
 	creds := vcenter.VcenterLogin{
@@ -168,54 +167,12 @@ func main() {
 		FirstHourlySnapshotCheck: true,
 	}
 
-	/*
-		cronFrequency = durationFromSeconds(s.Values.Settings.VcenterEventPollingSeconds, 60)
-		logger.Debug("Setting VM event polling cronjob frequency to", "frequency", cronFrequency)
-
-		cronInvFrequency = durationFromSeconds(s.Values.Settings.VcenterInventoryPollingSeconds, 7200)
-		logger.Debug("Setting VM inventory polling cronjob frequency to", "frequency", cronInvFrequency)
-	*/
-
 	cronSnapshotFrequency = durationFromSeconds(s.Values.Settings.VcenterInventorySnapshotSeconds, 3600)
 	logger.Debug("Setting VM inventory snapshot cronjob frequency to", "frequency", cronSnapshotFrequency)
 
 	cronAggregateFrequency = durationFromSeconds(s.Values.Settings.VcenterInventoryAggregateSeconds, 86400)
 	logger.Debug("Setting VM inventory daily aggregation cronjob frequency to", "frequency", cronAggregateFrequency)
 
-	/*
-		// start background processing for events stored in events table
-		startsAt := time.Now().Add(time.Second * 10)
-		job, err := c.NewJob(
-			gocron.DurationJob(cronFrequency),
-			gocron.NewTask(func() {
-				ct.RunVmCheck(ctx, logger)
-			}), gocron.WithSingletonMode(gocron.LimitModeReschedule),
-			gocron.WithStartAt(gocron.WithStartDateTime(startsAt)),
-		)
-		if err != nil {
-			logger.Error("failed to start event processing cron job", "error", err)
-			os.Exit(1)
-		}
-		logger.Debug("Created event processing cron job", "job", job.ID(), "starting_at", startsAt)
-	*/
-
-	// start background checks of vcenter inventory
-	/*
-		startsAt2 := time.Now().Add(cronInvFrequency)
-		job2, err := c.NewJob(
-			gocron.DurationJob(cronInvFrequency),
-			gocron.NewTask(func() {
-				ct.RunVcenterPoll(ctx, logger)
-			}), gocron.WithSingletonMode(gocron.LimitModeReschedule),
-			gocron.WithStartAt(gocron.WithStartDateTime(startsAt2)),
-		)
-		if err != nil {
-			logger.Error("failed to start vcenter inventory cron job", "error", err)
-			os.Exit(1)
-		}
-		logger.Debug("Created vcenter inventory cron job", "job", job2.ID(), "starting_at", startsAt2)
-	*/
-
 	startsAt3 := time.Now().Add(cronSnapshotFrequency)
 	if cronSnapshotFrequency == time.Hour {
 		startsAt3 = time.Now().Truncate(time.Hour).Add(time.Hour)
@@ -273,6 +230,13 @@ func main() {
 		gocron.CronJob(snapshotCleanupCron, false),
 		gocron.NewTask(func() {
 			ct.RunSnapshotCleanup(ctx, logger)
+			if strings.EqualFold(s.Values.Settings.DatabaseDriver, "sqlite") {
+				if _, err := ct.Database.DB().ExecContext(ctx, "VACUUM"); err != nil {
+					logger.Warn("VACUUM failed after snapshot cleanup", "error", err)
+				} else {
+					logger.Debug("VACUUM completed after snapshot cleanup")
+				}
+			}
 		}), gocron.WithSingletonMode(gocron.LimitModeReschedule),
 	)
 	if err != nil {