Refactor settings handling to support context-based reloading and add utility functions for context management

internal/tasks/dailyAggregate.go

@@ -15,12 +15,17 @@ import (
 	"vctp/db"
 	"vctp/internal/metrics"
 	"vctp/internal/report"
+	"vctp/internal/settings"
 )
 
 // RunVcenterDailyAggregate summarizes hourly snapshots into a daily summary table.
 func (c *CronTask) RunVcenterDailyAggregate(ctx context.Context, logger *slog.Logger) (err error) {
 	jobTimeout := durationFromSeconds(c.Settings.Values.Settings.DailyJobTimeoutSeconds, 15*time.Minute)
 	return c.runAggregateJob(ctx, "daily_aggregate", jobTimeout, func(jobCtx context.Context) error {
+		if err := c.Settings.ReadYMLSettings(); err != nil {
+			return err
+		}
+		jobCtx = settings.MarkReloadedInContext(jobCtx, c.Settings)
 		startedAt := time.Now()
 		defer func() {
 			logger.Info("Daily summary job finished", "duration", time.Since(startedAt))

internal/tasks/inventorySnapshots.go

@@ -16,6 +16,7 @@ import (
 	"vctp/db/queries"
 	"vctp/internal/metrics"
 	"vctp/internal/report"
+	"vctp/internal/settings"
 	"vctp/internal/utils"
 	"vctp/internal/vcenter"
 
@@ -116,8 +117,11 @@ func (c *CronTask) RunVcenterSnapshotHourly(ctx context.Context, logger *slog.Lo
 	// Best-effort cleanup of legacy IsPresent columns to simplify inserts.
 	c.dropLegacyIsPresentColumns(jobCtx)
 
-	// reload settings in case vcenter list has changed
-	c.Settings.ReadYMLSettings()
+	// Reload settings once for this run (for example, in case vCenter list has changed).
+	if err := c.Settings.ReadYMLSettings(); err != nil {
+		return err
+	}
+	ctx = settings.MarkReloadedInContext(ctx, c.Settings)
 
 	if c.FirstHourlySnapshotCheck {
 		if err := report.EnsureSnapshotRegistry(ctx, c.Database); err != nil {

internal/tasks/monthlyAggregate.go

@@ -14,12 +14,17 @@ import (
 	"vctp/db"
 	"vctp/internal/metrics"
 	"vctp/internal/report"
+	"vctp/internal/settings"
 )
 
 // RunVcenterMonthlyAggregate summarizes the previous month's daily snapshots.
 func (c *CronTask) RunVcenterMonthlyAggregate(ctx context.Context, logger *slog.Logger) (err error) {
 	jobTimeout := durationFromSeconds(c.Settings.Values.Settings.MonthlyJobTimeoutSeconds, 20*time.Minute)
 	return c.runAggregateJob(ctx, "monthly_aggregate", jobTimeout, func(jobCtx context.Context) error {
+		if err := c.Settings.ReadYMLSettings(); err != nil {
+			return err
+		}
+		jobCtx = settings.MarkReloadedInContext(jobCtx, c.Settings)
 		startedAt := time.Now()
 		defer func() {
 			logger.Info("Monthly summary job finished", "duration", time.Since(startedAt))