bugfixes for monthly aggregation

internal/tasks/dailyAggregate.go

@@ -243,7 +243,7 @@ func (c *CronTask) aggregateDailySummaryGo(ctx context.Context, dayStart, dayEnd
 
 	if aggMap == nil {
 		var errScan error
-		aggMap, errScan = c.scanHourlyTablesParallel(ctx, hourlySnapshots, totalSamples)
+		aggMap, errScan = c.scanHourlyTablesParallel(ctx, hourlySnapshots)
 		if errScan != nil {
 			return errScan
 		}
@@ -341,7 +341,7 @@ type dailyAggVal struct {
 	deletion       int64
 }
 
-func (c *CronTask) scanHourlyTablesParallel(ctx context.Context, snapshots []report.SnapshotRecord, totalSamples int) (map[dailyAggKey]*dailyAggVal, error) {
+func (c *CronTask) scanHourlyTablesParallel(ctx context.Context, snapshots []report.SnapshotRecord) (map[dailyAggKey]*dailyAggVal, error) {
 	agg := make(map[dailyAggKey]*dailyAggVal, 1024)
 	mu := sync.Mutex{}
 	workers := runtime.NumCPU()

internal/tasks/inventorySnapshots.go

@@ -470,6 +470,17 @@ var summaryUnionColumns = []string{
 	`"SrmPlaceholder"`, `"VmUuid"`, `"SnapshotTime"`,
 }
 
+// monthlyUnionColumns are the fields needed from daily summaries for monthly aggregation/refinement.
+var monthlyUnionColumns = []string{
+	`"InventoryId"`, `"Name"`, `"Vcenter"`, `"VmId"`, `"EventKey"`, `"CloudId"`, `"CreationTime"`,
+	`"DeletionTime"`, `"ResourcePool"`, `"Datacenter"`, `"Cluster"`, `"Folder"`,
+	`"ProvisionedDisk"`, `"VcpuCount"`, `"RamGB"`, `"IsTemplate"`, `"PoweredOn"`,
+	`"SrmPlaceholder"`, `"VmUuid"`,
+	`"SamplesPresent"`, `"AvgVcpuCount"`, `"AvgRamGB"`, `"AvgProvisionedDisk"`, `"AvgIsPresent"`,
+	`"PoolTinPct"`, `"PoolBronzePct"`, `"PoolSilverPct"`, `"PoolGoldPct"`,
+	`"Tin"`, `"Bronze"`, `"Silver"`, `"Gold"`,
+}
+
 func ensureSnapshotRowID(ctx context.Context, dbConn *sqlx.DB, tableName string) error {
 	driver := strings.ToLower(dbConn.DriverName())
 	switch driver {

internal/tasks/monitorVcenter.go

@@ -130,8 +130,6 @@ func (c *CronTask) UpdateVmInventory(vmObj *mo.VirtualMachine, vc *vcenter.Vcent
 		existingUpdateFound bool
 	)
 
-	// TODO - how to prevent creating a new record every polling cycle?
-
 	params := queries.CreateUpdateParams{
 		InventoryId: sql.NullInt64{Int64: dbVm.Iid, Valid: dbVm.Iid > 0},
 	}
@@ -181,12 +179,8 @@ func (c *CronTask) UpdateVmInventory(vmObj *mo.VirtualMachine, vc *vcenter.Vcent
 		}
 	}
 
-	// TODO - should we bother to check if disk space has changed?
-
 	if updateType != "unknown" {
-
+		// Check if we already have an existing update record for this same change
-		// TODO query updates table to see if there is already an update of this type and the new value
-
 		checkParams := queries.GetVmUpdatesParams{
 			InventoryId: sql.NullInt64{Int64: dbVm.Iid, Valid: dbVm.Iid > 0},
 			UpdateType:  updateType,
@@ -241,7 +235,6 @@ func (c *CronTask) UpdateVmInventory(vmObj *mo.VirtualMachine, vc *vcenter.Vcent
 			// add sleep to slow down mass VM additions
 			utils.SleepWithContext(ctx, (10 * time.Millisecond))
 		}
-
 	}
 
 	return nil

internal/tasks/monthlyAggregate.go

@@ -77,7 +77,7 @@ func (c *CronTask) aggregateMonthlySummary(ctx context.Context, targetMonth time
 	// Optional Go-based aggregation path.
 	if os.Getenv("MONTHLY_AGG_GO") == "1" {
 		c.Logger.Debug("Using go implementation of monthly aggregation")
-		if err := c.aggregateMonthlySummaryGo(ctx, monthStart, monthEnd, monthlyTable, dailySnapshots, force); err != nil {
+		if err := c.aggregateMonthlySummaryGo(ctx, monthStart, monthEnd, monthlyTable, dailySnapshots); err != nil {
 			c.Logger.Warn("go-based monthly aggregation failed, falling back to SQL path", "error", err)
 		} else {
 			metrics.RecordMonthlyAggregation(time.Since(jobStart), nil)
@@ -90,7 +90,7 @@ func (c *CronTask) aggregateMonthlySummary(ctx context.Context, targetMonth time
 	for _, snapshot := range dailySnapshots {
 		dailyTables = append(dailyTables, snapshot.TableName)
 	}
-	unionQuery, err := buildUnionQuery(dailyTables, summaryUnionColumns, templateExclusionFilter())
+	unionQuery, err := buildUnionQuery(dailyTables, monthlyUnionColumns, templateExclusionFilter())
 	if err != nil {
 		return err
 	}
@@ -151,7 +151,7 @@ func monthlySummaryTableName(t time.Time) (string, error) {
 
 // aggregateMonthlySummaryGo mirrors the SQL-based monthly aggregation but performs the work in Go,
 // reading daily summaries in parallel and reducing them to a single monthly summary table.
-func (c *CronTask) aggregateMonthlySummaryGo(ctx context.Context, monthStart, monthEnd time.Time, summaryTable string, dailySnapshots []report.SnapshotRecord, force bool) error {
+func (c *CronTask) aggregateMonthlySummaryGo(ctx context.Context, monthStart, monthEnd time.Time, summaryTable string, dailySnapshots []report.SnapshotRecord) error {
 	jobStart := time.Now()
 	dbConn := c.Database.DB()
 
@@ -164,7 +164,7 @@ func (c *CronTask) aggregateMonthlySummaryGo(ctx context.Context, monthStart, mo
 	for _, snapshot := range dailySnapshots {
 		dailyTables = append(dailyTables, snapshot.TableName)
 	}
-	unionQuery, err := buildUnionQuery(dailyTables, summaryUnionColumns, templateExclusionFilter())
+	unionQuery, err := buildUnionQuery(dailyTables, monthlyUnionColumns, templateExclusionFilter())
 	if err != nil {
 		return err
 	}
@@ -189,10 +189,14 @@ func (c *CronTask) aggregateMonthlySummaryGo(ctx context.Context, monthStart, mo
 		return err
 	}
 
-	// Refine creation/deletion using SQL helper.
+	// Refine creation/deletion using SQL helper (requires SnapshotTime in union).
+	if strings.Contains(unionQuery, `"SnapshotTime"`) {
 		if err := db.RefineCreationDeletionFromUnion(ctx, dbConn, summaryTable, unionQuery); err != nil {
 			c.Logger.Warn("failed to refine creation/deletion times (monthly Go)", "error", err, "table", summaryTable)
 		}
+	} else {
+		c.Logger.Debug("Skipping lifecycle refinement for monthly aggregation (no SnapshotTime in union)")
+	}
 
 	// Backfill missing creation times to the start of the month for rows lacking creation info.
 	if _, err := dbConn.ExecContext(ctx,
@@ -364,9 +368,10 @@ FROM %s
 	for rows.Next() {
 		var (
 			inventoryId                               sql.NullInt64
-			name, vcenter, vmId, vmUuid, eventKey, cloudId string
+			name, vcenter, vmId, vmUuid               string
-			resourcePool, datacenter, cluster, folder      string
+			eventKey, cloudId                         sql.NullString
-			isTemplate, poweredOn, srmPlaceholder          string
+			resourcePool, datacenter, cluster, folder sql.NullString
+			isTemplate, poweredOn, srmPlaceholder     sql.NullString
 			disk, avgVcpu, avgRam, avgDisk            sql.NullFloat64
 			avgIsPresent                              sql.NullFloat64
 			poolTin, poolBronze, poolSilver, poolGold sql.NullFloat64
@@ -389,7 +394,8 @@ FROM %s
 			continue
 		}
 
-		if strings.EqualFold(strings.TrimSpace(isTemplate), "true") || strings.EqualFold(strings.TrimSpace(isTemplate), "1") {
+		templateVal := strings.TrimSpace(isTemplate.String)
+		if strings.EqualFold(templateVal, "true") || templateVal == "1" {
 			continue
 		}
 
@@ -397,15 +403,15 @@ FROM %s
 		agg := &monthlyAggVal{
 			key:            key,
 			inventoryId:    inventoryId.Int64,
-			eventKey:       eventKey,
+			eventKey:       eventKey.String,
-			cloudId:        cloudId,
+			cloudId:        cloudId.String,
-			resourcePool:   resourcePool,
+			resourcePool:   resourcePool.String,
-			datacenter:     datacenter,
+			datacenter:     datacenter.String,
-			cluster:        cluster,
+			cluster:        cluster.String,
-			folder:         folder,
+			folder:         folder.String,
-			isTemplate:     isTemplate,
+			isTemplate:     isTemplate.String,
-			poweredOn:      poweredOn,
+			poweredOn:      poweredOn.String,
-			srmPlaceholder: srmPlaceholder,
+			srmPlaceholder: srmPlaceholder.String,
 			provisioned:    disk.Float64,
 			vcpuCount:      vcpu.Int64,
 			ramGB:          ram.Int64,
@@ -492,7 +498,8 @@ WHERE "Date" >= ? AND "Date" < ?
 		); err != nil {
 			continue
 		}
-		if strings.EqualFold(strings.TrimSpace(isTemplate.String), "true") || isTemplate.String == "1" {
+		templateVal := strings.TrimSpace(isTemplate.String)
+		if strings.EqualFold(templateVal, "true") || templateVal == "1" {
 			continue
 		}
 		key := monthlyAggKey{Vcenter: vcenter, VmId: vmId, VmUuid: vmUuid, Name: name}