559 lines
18 KiB
Go
559 lines
18 KiB
Go
package tasks
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import (
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"context"
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"database/sql"
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"fmt"
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"log/slog"
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"os"
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"runtime"
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"strings"
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"sync"
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"time"
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"vctp/db"
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"vctp/internal/metrics"
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"vctp/internal/report"
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)
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// RunVcenterDailyAggregate summarizes hourly snapshots into a daily summary table.
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func (c *CronTask) RunVcenterDailyAggregate(ctx context.Context, logger *slog.Logger) (err error) {
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jobTimeout := durationFromSeconds(c.Settings.Values.Settings.DailyJobTimeoutSeconds, 15*time.Minute)
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return c.runAggregateJob(ctx, "daily_aggregate", jobTimeout, func(jobCtx context.Context) error {
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startedAt := time.Now()
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defer func() {
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logger.Info("Daily summary job finished", "duration", time.Since(startedAt))
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}()
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targetTime := time.Now().Add(-time.Minute)
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// Always force regeneration on the scheduled run to refresh data even if a manual run happened earlier.
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return c.aggregateDailySummary(jobCtx, targetTime, true)
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})
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}
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func (c *CronTask) AggregateDailySummary(ctx context.Context, date time.Time, force bool) error {
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return c.aggregateDailySummary(ctx, date, force)
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}
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func (c *CronTask) aggregateDailySummary(ctx context.Context, targetTime time.Time, force bool) error {
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jobStart := time.Now()
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dayStart := time.Date(targetTime.Year(), targetTime.Month(), targetTime.Day(), 0, 0, 0, 0, targetTime.Location())
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dayEnd := dayStart.AddDate(0, 0, 1)
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summaryTable, err := dailySummaryTableName(targetTime)
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if err != nil {
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return err
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}
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dbConn := c.Database.DB()
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db.SetPostgresWorkMem(ctx, dbConn, c.Settings.Values.Settings.PostgresWorkMemMB)
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if err := db.EnsureSummaryTable(ctx, dbConn, summaryTable); err != nil {
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return err
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}
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if err := report.EnsureSnapshotRegistry(ctx, c.Database); err != nil {
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return err
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}
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if rowsExist, err := db.TableHasRows(ctx, dbConn, summaryTable); err != nil {
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return err
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} else if rowsExist && !force {
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c.Logger.Debug("Daily summary already exists, skipping aggregation", "summary_table", summaryTable)
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return nil
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} else if rowsExist && force {
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if err := clearTable(ctx, dbConn, summaryTable); err != nil {
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return err
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}
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}
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// If enabled, use the Go fan-out/reduce path to parallelize aggregation.
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if os.Getenv("DAILY_AGG_GO") == "1" {
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if err := c.aggregateDailySummaryGo(ctx, dayStart, dayEnd, summaryTable, force); err != nil {
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c.Logger.Warn("go-based daily aggregation failed, falling back to SQL path", "error", err)
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} else {
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metrics.RecordDailyAggregation(time.Since(jobStart), nil)
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c.Logger.Debug("Finished daily inventory aggregation (Go path)", "summary_table", summaryTable)
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return nil
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}
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}
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hourlySnapshots, err := report.SnapshotRecordsWithFallback(ctx, c.Database, "hourly", "inventory_hourly_", "epoch", dayStart, dayEnd)
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if err != nil {
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return err
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}
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hourlySnapshots = filterRecordsInRange(hourlySnapshots, dayStart, dayEnd)
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hourlySnapshots = filterSnapshotsWithRows(ctx, dbConn, hourlySnapshots)
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if len(hourlySnapshots) == 0 {
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return fmt.Errorf("no hourly snapshot tables found for %s", dayStart.Format("2006-01-02"))
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}
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hourlyTables := make([]string, 0, len(hourlySnapshots))
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for _, snapshot := range hourlySnapshots {
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hourlyTables = append(hourlyTables, snapshot.TableName)
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// Ensure indexes exist on historical hourly tables for faster aggregation.
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if err := db.EnsureSnapshotIndexes(ctx, dbConn, snapshot.TableName); err != nil {
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c.Logger.Warn("failed to ensure indexes on hourly table", "table", snapshot.TableName, "error", err)
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}
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}
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unionQuery, err := buildUnionQuery(hourlyTables, summaryUnionColumns, templateExclusionFilter())
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if err != nil {
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return err
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}
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currentTotals, err := db.SnapshotTotalsForUnion(ctx, dbConn, unionQuery)
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if err != nil {
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c.Logger.Warn("unable to calculate daily totals", "error", err, "date", dayStart.Format("2006-01-02"))
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} else {
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c.Logger.Info("Daily snapshot totals",
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"date", dayStart.Format("2006-01-02"),
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"vm_count", currentTotals.VmCount,
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"vcpu_total", currentTotals.VcpuTotal,
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"ram_total_gb", currentTotals.RamTotal,
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"disk_total_gb", currentTotals.DiskTotal,
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)
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}
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prevStart := dayStart.AddDate(0, 0, -1)
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prevEnd := dayStart
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prevSnapshots, err := report.SnapshotRecordsWithFallback(ctx, c.Database, "hourly", "inventory_hourly_", "epoch", prevStart, prevEnd)
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if err == nil && len(prevSnapshots) > 0 {
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prevSnapshots = filterRecordsInRange(prevSnapshots, prevStart, prevEnd)
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prevSnapshots = filterSnapshotsWithRows(ctx, dbConn, prevSnapshots)
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prevTables := make([]string, 0, len(prevSnapshots))
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for _, snapshot := range prevSnapshots {
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prevTables = append(prevTables, snapshot.TableName)
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}
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prevUnion, err := buildUnionQuery(prevTables, summaryUnionColumns, templateExclusionFilter())
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if err == nil {
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prevTotals, err := db.SnapshotTotalsForUnion(ctx, dbConn, prevUnion)
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if err != nil {
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c.Logger.Warn("unable to calculate previous day totals", "error", err, "date", prevStart.Format("2006-01-02"))
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} else {
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c.Logger.Info("Daily snapshot comparison",
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"current_date", dayStart.Format("2006-01-02"),
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"previous_date", prevStart.Format("2006-01-02"),
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"vm_delta", currentTotals.VmCount-prevTotals.VmCount,
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"vcpu_delta", currentTotals.VcpuTotal-prevTotals.VcpuTotal,
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"ram_delta_gb", currentTotals.RamTotal-prevTotals.RamTotal,
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"disk_delta_gb", currentTotals.DiskTotal-prevTotals.DiskTotal,
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)
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}
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} else {
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c.Logger.Warn("unable to build previous day union", "error", err)
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}
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}
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insertQuery, err := db.BuildDailySummaryInsert(summaryTable, unionQuery)
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if err != nil {
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return err
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}
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if _, err := dbConn.ExecContext(ctx, insertQuery); err != nil {
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c.Logger.Error("failed to aggregate daily inventory", "error", err, "date", dayStart.Format("2006-01-02"))
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return err
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}
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// Backfill missing creation times to the start of the day for rows where vCenter had no creation info.
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if _, err := dbConn.ExecContext(ctx,
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`UPDATE `+summaryTable+` SET "CreationTime" = $1 WHERE "CreationTime" IS NULL OR "CreationTime" = 0`,
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dayStart.Unix(),
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); err != nil {
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c.Logger.Warn("failed to normalize creation times for daily summary", "error", err, "table", summaryTable)
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}
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if err := db.RefineCreationDeletionFromUnion(ctx, dbConn, summaryTable, unionQuery); err != nil {
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c.Logger.Warn("failed to refine creation/deletion times", "error", err, "table", summaryTable)
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}
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db.AnalyzeTableIfPostgres(ctx, dbConn, summaryTable)
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rowCount, err := db.TableRowCount(ctx, dbConn, summaryTable)
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if err != nil {
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c.Logger.Warn("unable to count daily summary rows", "error", err, "table", summaryTable)
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}
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if err := report.RegisterSnapshot(ctx, c.Database, "daily", summaryTable, dayStart, rowCount); err != nil {
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c.Logger.Warn("failed to register daily snapshot", "error", err, "table", summaryTable)
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}
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if err := c.generateReport(ctx, summaryTable); err != nil {
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c.Logger.Warn("failed to generate daily report", "error", err, "table", summaryTable)
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metrics.RecordDailyAggregation(time.Since(jobStart), err)
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return err
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}
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c.Logger.Debug("Finished daily inventory aggregation", "summary_table", summaryTable)
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metrics.RecordDailyAggregation(time.Since(jobStart), nil)
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return nil
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}
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func dailySummaryTableName(t time.Time) (string, error) {
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return db.SafeTableName(fmt.Sprintf("inventory_daily_summary_%s", t.Format("20060102")))
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}
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// aggregateDailySummaryGo performs daily aggregation by reading hourly tables in parallel,
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// reducing in Go, and writing the summary table. It mirrors the outputs of the SQL path
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// as closely as possible while improving CPU utilization on multi-core hosts.
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func (c *CronTask) aggregateDailySummaryGo(ctx context.Context, dayStart, dayEnd time.Time, summaryTable string, force bool) error {
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jobStart := time.Now()
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dbConn := c.Database.DB()
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hourlySnapshots, err := report.SnapshotRecordsWithFallback(ctx, c.Database, "hourly", "inventory_hourly_", "epoch", dayStart, dayEnd)
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if err != nil {
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return err
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}
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hourlySnapshots = filterRecordsInRange(hourlySnapshots, dayStart, dayEnd)
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hourlySnapshots = filterSnapshotsWithRows(ctx, dbConn, hourlySnapshots)
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if len(hourlySnapshots) == 0 {
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return fmt.Errorf("no hourly snapshot tables found for %s", dayStart.Format("2006-01-02"))
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}
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hourlyTables := make([]string, 0, len(hourlySnapshots))
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for _, snapshot := range hourlySnapshots {
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hourlyTables = append(hourlyTables, snapshot.TableName)
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if err := db.EnsureSnapshotIndexes(ctx, dbConn, snapshot.TableName); err != nil {
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c.Logger.Warn("failed to ensure indexes on hourly table", "table", snapshot.TableName, "error", err)
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}
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}
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unionQuery, err := buildUnionQuery(hourlyTables, summaryUnionColumns, templateExclusionFilter())
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if err != nil {
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return err
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}
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// Clear existing summary if forcing.
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if rowsExist, err := db.TableHasRows(ctx, dbConn, summaryTable); err != nil {
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return err
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} else if rowsExist && !force {
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c.Logger.Debug("Daily summary already exists, skipping aggregation (Go path)", "summary_table", summaryTable)
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return nil
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} else if rowsExist && force {
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if err := clearTable(ctx, dbConn, summaryTable); err != nil {
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return err
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}
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}
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totalSamples := len(hourlyTables)
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aggMap, err := c.scanHourlyTablesParallel(ctx, hourlySnapshots, totalSamples)
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if err != nil {
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return err
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}
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if len(aggMap) == 0 {
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return fmt.Errorf("no VM records aggregated for %s", dayStart.Format("2006-01-02"))
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}
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// Insert aggregated rows.
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if err := c.insertDailyAggregates(ctx, summaryTable, aggMap, totalSamples); err != nil {
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return err
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}
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// Refine lifecycle with existing SQL helper to pick up first-after deletions.
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if err := db.RefineCreationDeletionFromUnion(ctx, dbConn, summaryTable, unionQuery); err != nil {
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c.Logger.Warn("failed to refine creation/deletion times", "error", err, "table", summaryTable)
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}
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db.AnalyzeTableIfPostgres(ctx, dbConn, summaryTable)
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rowCount, err := db.TableRowCount(ctx, dbConn, summaryTable)
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if err != nil {
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c.Logger.Warn("unable to count daily summary rows", "error", err, "table", summaryTable)
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}
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if err := report.RegisterSnapshot(ctx, c.Database, "daily", summaryTable, dayStart, rowCount); err != nil {
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c.Logger.Warn("failed to register daily snapshot", "error", err, "table", summaryTable)
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}
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if err := c.generateReport(ctx, summaryTable); err != nil {
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c.Logger.Warn("failed to generate daily report", "error", err, "table", summaryTable)
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return err
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}
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c.Logger.Debug("Finished daily inventory aggregation (Go path)", "summary_table", summaryTable, "duration", time.Since(jobStart))
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return nil
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}
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type dailyAggKey struct {
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Vcenter string
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VmId string
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VmUuid string
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Name string
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}
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type dailyAggVal struct {
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key dailyAggKey
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resourcePool string
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datacenter string
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cluster string
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folder string
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isTemplate string
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poweredOn string
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srmPlaceholder string
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creation int64
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firstSeen int64
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lastSeen int64
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sumVcpu int64
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sumRam int64
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sumDisk float64
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samples int64
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tinHits int64
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bronzeHits int64
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silverHits int64
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goldHits int64
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}
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func (c *CronTask) scanHourlyTablesParallel(ctx context.Context, snapshots []report.SnapshotRecord, totalSamples int) (map[dailyAggKey]*dailyAggVal, error) {
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agg := make(map[dailyAggKey]*dailyAggVal, 1024)
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mu := sync.Mutex{}
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workers := runtime.NumCPU()
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if workers < 2 {
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workers = 2
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}
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if workers > len(snapshots) {
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workers = len(snapshots)
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}
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jobs := make(chan report.SnapshotRecord, len(snapshots))
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wg := sync.WaitGroup{}
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for i := 0; i < workers; i++ {
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wg.Add(1)
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go func() {
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defer wg.Done()
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for snap := range jobs {
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rows, err := c.scanHourlyTable(ctx, snap)
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if err != nil {
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c.Logger.Warn("failed to scan hourly table", "table", snap.TableName, "error", err)
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continue
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}
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mu.Lock()
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for k, v := range rows {
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if existing, ok := agg[k]; ok {
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mergeDailyAgg(existing, v)
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} else {
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agg[k] = v
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}
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}
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mu.Unlock()
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}
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}()
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}
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for _, snap := range snapshots {
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jobs <- snap
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}
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close(jobs)
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wg.Wait()
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return agg, nil
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}
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func mergeDailyAgg(dst, src *dailyAggVal) {
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if src.creation > 0 && (dst.creation == 0 || src.creation < dst.creation) {
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dst.creation = src.creation
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}
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if dst.firstSeen == 0 || (src.firstSeen > 0 && src.firstSeen < dst.firstSeen) {
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dst.firstSeen = src.firstSeen
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}
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if src.lastSeen > dst.lastSeen {
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dst.lastSeen = src.lastSeen
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dst.resourcePool = src.resourcePool
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dst.datacenter = src.datacenter
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dst.cluster = src.cluster
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dst.folder = src.folder
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dst.isTemplate = src.isTemplate
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dst.poweredOn = src.poweredOn
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dst.srmPlaceholder = src.srmPlaceholder
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}
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dst.sumVcpu += src.sumVcpu
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dst.sumRam += src.sumRam
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dst.sumDisk += src.sumDisk
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dst.samples += src.samples
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dst.tinHits += src.tinHits
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dst.bronzeHits += src.bronzeHits
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dst.silverHits += src.silverHits
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dst.goldHits += src.goldHits
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}
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func (c *CronTask) scanHourlyTable(ctx context.Context, snap report.SnapshotRecord) (map[dailyAggKey]*dailyAggVal, error) {
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dbConn := c.Database.DB()
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query := fmt.Sprintf(`
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SELECT
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"Name","Vcenter","VmId","VmUuid","ResourcePool","Datacenter","Cluster","Folder",
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COALESCE("ProvisionedDisk",0) AS disk,
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COALESCE("VcpuCount",0) AS vcpu,
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COALESCE("RamGB",0) AS ram,
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COALESCE("CreationTime",0) AS creation,
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COALESCE("DeletionTime",0) AS deletion,
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COALESCE("IsTemplate",'FALSE') AS is_template,
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COALESCE("PoweredOn",'FALSE') AS powered_on,
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COALESCE("SrmPlaceholder",'FALSE') AS srm_placeholder,
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COALESCE("SnapshotTime",0) AS snapshot_time
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FROM %s
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`, snap.TableName)
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rows, err := dbConn.QueryxContext(ctx, query)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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out := make(map[dailyAggKey]*dailyAggVal, 256)
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for rows.Next() {
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var (
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name, vcenter, vmId, vmUuid, resourcePool string
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dc, cluster, folder sql.NullString
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disk sql.NullFloat64
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vcpu, ram sql.NullInt64
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creation, deletion, snapshotTime sql.NullInt64
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isTemplate, poweredOn, srmPlaceholder sql.NullString
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)
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if err := rows.Scan(&name, &vcenter, &vmId, &vmUuid, &resourcePool, &dc, &cluster, &folder, &disk, &vcpu, &ram, &creation, &deletion, &isTemplate, &poweredOn, &srmPlaceholder, &snapshotTime); err != nil {
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continue
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}
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if vcenter == "" {
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continue
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}
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// Skip templates.
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if strings.EqualFold(strings.TrimSpace(isTemplate.String), "true") || isTemplate.String == "1" {
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continue
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}
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key := dailyAggKey{
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Vcenter: vcenter,
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VmId: strings.TrimSpace(vmId),
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VmUuid: strings.TrimSpace(vmUuid),
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Name: strings.TrimSpace(name),
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}
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if key.VmId == "" && key.VmUuid == "" && key.Name == "" {
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continue
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}
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if key.VmId == "" {
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key.VmId = key.VmUuid
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}
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pool := strings.ToLower(strings.TrimSpace(resourcePool))
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hitTin := btoi(pool == "tin")
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hitBronze := btoi(pool == "bronze")
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hitSilver := btoi(pool == "silver")
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hitGold := btoi(pool == "gold")
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row := &dailyAggVal{
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key: key,
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resourcePool: resourcePool,
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datacenter: dc.String,
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cluster: cluster.String,
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folder: folder.String,
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isTemplate: isTemplate.String,
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poweredOn: poweredOn.String,
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srmPlaceholder: srmPlaceholder.String,
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creation: int64OrZero(creation),
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firstSeen: int64OrZero(snapshotTime),
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lastSeen: int64OrZero(snapshotTime),
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sumVcpu: vcpu.Int64,
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sumRam: ram.Int64,
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sumDisk: disk.Float64,
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samples: 1,
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tinHits: hitTin,
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bronzeHits: hitBronze,
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silverHits: hitSilver,
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goldHits: hitGold,
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}
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out[key] = row
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}
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return out, nil
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}
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func (c *CronTask) insertDailyAggregates(ctx context.Context, table string, agg map[dailyAggKey]*dailyAggVal, totalSamples int) error {
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dbConn := c.Database.DB()
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tx, err := dbConn.Beginx()
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if err != nil {
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return err
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}
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defer tx.Rollback()
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driver := strings.ToLower(dbConn.DriverName())
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placeholders := makePlaceholders(driver, 29)
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insert := fmt.Sprintf(`
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INSERT INTO %s (
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"Name","Vcenter","VmId","VmUuid","ResourcePool","Datacenter","Cluster","Folder",
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"ProvisionedDisk","VcpuCount","RamGB","IsTemplate","PoweredOn","SrmPlaceholder",
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"CreationTime","DeletionTime","SamplesPresent","AvgVcpuCount","AvgRamGB","AvgProvisionedDisk",
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|
"AvgIsPresent","PoolTinPct","PoolBronzePct","PoolSilverPct","PoolGoldPct","Tin","Bronze","Silver","Gold"
|
|
) VALUES (%s)
|
|
`, table, placeholders)
|
|
|
|
for _, v := range agg {
|
|
if v.samples == 0 {
|
|
continue
|
|
}
|
|
avgVcpu := float64(v.sumVcpu) / float64(v.samples)
|
|
avgRam := float64(v.sumRam) / float64(v.samples)
|
|
avgDisk := v.sumDisk / float64(v.samples)
|
|
total := float64(totalSamples)
|
|
avgPresent := 0.0
|
|
tinPct := 0.0
|
|
bronzePct := 0.0
|
|
silverPct := 0.0
|
|
goldPct := 0.0
|
|
if total > 0 {
|
|
avgPresent = float64(v.samples) / total
|
|
tinPct = float64(v.tinHits) * 100 / total
|
|
bronzePct = float64(v.bronzeHits) * 100 / total
|
|
silverPct = float64(v.silverHits) * 100 / total
|
|
goldPct = float64(v.goldHits) * 100 / total
|
|
}
|
|
args := []interface{}{
|
|
v.key.Name,
|
|
v.key.Vcenter,
|
|
nullIfEmpty(v.key.VmId),
|
|
nullIfEmpty(v.key.VmUuid),
|
|
v.resourcePool,
|
|
nullIfEmpty(v.datacenter),
|
|
nullIfEmpty(v.cluster),
|
|
nullIfEmpty(v.folder),
|
|
v.sumDisk,
|
|
v.sumVcpu,
|
|
v.sumRam,
|
|
v.isTemplate,
|
|
v.poweredOn,
|
|
v.srmPlaceholder,
|
|
v.creation,
|
|
int64(0), // deletion time refined later
|
|
v.samples,
|
|
avgVcpu,
|
|
avgRam,
|
|
avgDisk,
|
|
avgPresent,
|
|
tinPct, bronzePct, silverPct, goldPct,
|
|
float64(v.tinHits), float64(v.bronzeHits), float64(v.silverHits), float64(v.goldHits),
|
|
}
|
|
if driver != "sqlite" {
|
|
// Postgres expects primitive types, nulls are handled by pq via nil.
|
|
for i, a := range args {
|
|
if s, ok := a.(string); ok && s == "" {
|
|
args[i] = nil
|
|
}
|
|
}
|
|
}
|
|
if _, err := tx.ExecContext(ctx, insert, args...); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return tx.Commit()
|
|
}
|
|
|
|
func int64OrZero(v sql.NullInt64) int64 {
|
|
if v.Valid {
|
|
return v.Int64
|
|
}
|
|
return 0
|
|
}
|
|
|
|
func nullIfEmpty(s string) interface{} {
|
|
if strings.TrimSpace(s) == "" {
|
|
return nil
|
|
}
|
|
return s
|
|
}
|
|
|
|
func makePlaceholders(driver string, n int) string {
|
|
if driver == "sqlite" {
|
|
parts := make([]string, n)
|
|
for i := 0; i < n; i++ {
|
|
parts[i] = "?"
|
|
}
|
|
return strings.Join(parts, ",")
|
|
}
|
|
parts := make([]string, n)
|
|
for i := 0; i < n; i++ {
|
|
parts[i] = fmt.Sprintf("$%d", i+1)
|
|
}
|
|
return strings.Join(parts, ",")
|
|
}
|
|
|
|
func btoi(b bool) int64 {
|
|
if b {
|
|
return 1
|
|
}
|
|
return 0
|
|
}
|