add some changes
This commit is contained in:
606
backend/internal/storage/snapshot_schedule.go
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606
backend/internal/storage/snapshot_schedule.go
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@@ -0,0 +1,606 @@
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package storage
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import (
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"context"
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"database/sql"
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"encoding/json"
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"fmt"
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"sort"
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"strings"
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"time"
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"github.com/atlasos/calypso/internal/common/database"
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"github.com/atlasos/calypso/internal/common/logger"
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"github.com/google/uuid"
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)
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// SnapshotScheduleService handles snapshot schedule management
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type SnapshotScheduleService struct {
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db *database.DB
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logger *logger.Logger
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snapshotService *SnapshotService
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}
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// NewSnapshotScheduleService creates a new snapshot schedule service
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func NewSnapshotScheduleService(db *database.DB, log *logger.Logger, snapshotService *SnapshotService) *SnapshotScheduleService {
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return &SnapshotScheduleService{
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db: db,
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logger: log,
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snapshotService: snapshotService,
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}
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}
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// SnapshotSchedule represents a scheduled snapshot task
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type SnapshotSchedule struct {
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ID string `json:"id"`
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Name string `json:"name"`
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Dataset string `json:"dataset"`
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SnapshotNameTemplate string `json:"snapshot_name_template"`
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ScheduleType string `json:"schedule_type"` // hourly, daily, weekly, monthly, cron
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ScheduleConfig map[string]interface{} `json:"schedule_config"`
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Recursive bool `json:"recursive"`
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Enabled bool `json:"enabled"`
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RetentionCount *int `json:"retention_count,omitempty"`
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RetentionDays *int `json:"retention_days,omitempty"`
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LastRunAt *time.Time `json:"last_run_at,omitempty"`
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NextRunAt *time.Time `json:"next_run_at,omitempty"`
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CreatedBy string `json:"created_by,omitempty"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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}
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// CreateScheduleRequest represents a request to create a snapshot schedule
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type CreateScheduleRequest struct {
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Name string `json:"name" binding:"required"`
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Dataset string `json:"dataset" binding:"required"`
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SnapshotNameTemplate string `json:"snapshot_name_template" binding:"required"`
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ScheduleType string `json:"schedule_type" binding:"required"`
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ScheduleConfig map[string]interface{} `json:"schedule_config" binding:"required"`
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Recursive bool `json:"recursive"`
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RetentionCount *int `json:"retention_count"`
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RetentionDays *int `json:"retention_days"`
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}
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// ListSchedules lists all snapshot schedules
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func (s *SnapshotScheduleService) ListSchedules(ctx context.Context) ([]*SnapshotSchedule, error) {
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query := `
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SELECT id, name, dataset, snapshot_name_template, schedule_type, schedule_config,
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recursive, enabled, retention_count, retention_days,
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last_run_at, next_run_at, created_by, created_at, updated_at
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FROM snapshot_schedules
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ORDER BY created_at DESC
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`
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rows, err := s.db.QueryContext(ctx, query)
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if err != nil {
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return nil, fmt.Errorf("failed to query schedules: %w", err)
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}
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defer rows.Close()
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var schedules []*SnapshotSchedule
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for rows.Next() {
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schedule, err := s.scanSchedule(rows)
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if err != nil {
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s.logger.Error("Failed to scan schedule", "error", err)
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continue
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}
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schedules = append(schedules, schedule)
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}
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return schedules, rows.Err()
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}
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// GetSchedule retrieves a schedule by ID
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func (s *SnapshotScheduleService) GetSchedule(ctx context.Context, id string) (*SnapshotSchedule, error) {
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query := `
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SELECT id, name, dataset, snapshot_name_template, schedule_type, schedule_config,
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recursive, enabled, retention_count, retention_days,
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last_run_at, next_run_at, created_by, created_at, updated_at
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FROM snapshot_schedules
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WHERE id = $1
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`
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row := s.db.QueryRowContext(ctx, query, id)
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schedule, err := s.scanScheduleRow(row)
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if err != nil {
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if err == sql.ErrNoRows {
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return nil, fmt.Errorf("schedule not found")
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}
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return nil, fmt.Errorf("failed to get schedule: %w", err)
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}
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return schedule, nil
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}
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// CreateSchedule creates a new snapshot schedule
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func (s *SnapshotScheduleService) CreateSchedule(ctx context.Context, req *CreateScheduleRequest, createdBy string) (*SnapshotSchedule, error) {
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id := uuid.New().String()
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// Calculate next run time
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nextRunAt, err := s.calculateNextRun(req.ScheduleType, req.ScheduleConfig)
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if err != nil {
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return nil, fmt.Errorf("failed to calculate next run time: %w", err)
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}
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// Marshal schedule config to JSON
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configJSON, err := json.Marshal(req.ScheduleConfig)
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if err != nil {
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return nil, fmt.Errorf("failed to marshal schedule config: %w", err)
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}
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query := `
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INSERT INTO snapshot_schedules (
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id, name, dataset, snapshot_name_template, schedule_type, schedule_config,
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recursive, enabled, retention_count, retention_days,
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next_run_at, created_by, created_at, updated_at
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) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, NOW(), NOW())
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RETURNING id, name, dataset, snapshot_name_template, schedule_type, schedule_config,
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recursive, enabled, retention_count, retention_days,
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last_run_at, next_run_at, created_by, created_at, updated_at
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`
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row := s.db.QueryRowContext(ctx, query,
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id, req.Name, req.Dataset, req.SnapshotNameTemplate, req.ScheduleType,
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string(configJSON), req.Recursive, true, req.RetentionCount, req.RetentionDays,
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nextRunAt, createdBy,
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)
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schedule, err := s.scanScheduleRow(row)
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if err != nil {
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return nil, fmt.Errorf("failed to create schedule: %w", err)
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}
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s.logger.Info("Snapshot schedule created", "id", id, "name", req.Name, "dataset", req.Dataset)
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return schedule, nil
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}
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// UpdateSchedule updates an existing schedule
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func (s *SnapshotScheduleService) UpdateSchedule(ctx context.Context, id string, req *CreateScheduleRequest) (*SnapshotSchedule, error) {
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// Calculate next run time
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nextRunAt, err := s.calculateNextRun(req.ScheduleType, req.ScheduleConfig)
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if err != nil {
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return nil, fmt.Errorf("failed to calculate next run time: %w", err)
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}
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// Marshal schedule config to JSON
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configJSON, err := json.Marshal(req.ScheduleConfig)
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if err != nil {
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return nil, fmt.Errorf("failed to marshal schedule config: %w", err)
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}
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query := `
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UPDATE snapshot_schedules
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SET name = $1, dataset = $2, snapshot_name_template = $3, schedule_type = $4,
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schedule_config = $5, recursive = $6, retention_count = $7, retention_days = $8,
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next_run_at = $9, updated_at = NOW()
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WHERE id = $10
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RETURNING id, name, dataset, snapshot_name_template, schedule_type, schedule_config,
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recursive, enabled, retention_count, retention_days,
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last_run_at, next_run_at, created_by, created_at, updated_at
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`
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row := s.db.QueryRowContext(ctx, query,
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req.Name, req.Dataset, req.SnapshotNameTemplate, req.ScheduleType,
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string(configJSON), req.Recursive, req.RetentionCount, req.RetentionDays,
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nextRunAt, id,
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)
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schedule, err := s.scanScheduleRow(row)
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if err != nil {
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if err == sql.ErrNoRows {
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return nil, fmt.Errorf("schedule not found")
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}
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return nil, fmt.Errorf("failed to update schedule: %w", err)
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}
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s.logger.Info("Snapshot schedule updated", "id", id)
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return schedule, nil
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}
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// DeleteSchedule deletes a schedule
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func (s *SnapshotScheduleService) DeleteSchedule(ctx context.Context, id string) error {
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query := `DELETE FROM snapshot_schedules WHERE id = $1`
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result, err := s.db.ExecContext(ctx, query, id)
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if err != nil {
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return fmt.Errorf("failed to delete schedule: %w", err)
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}
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rowsAffected, err := result.RowsAffected()
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if err != nil {
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return fmt.Errorf("failed to get rows affected: %w", err)
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}
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if rowsAffected == 0 {
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return fmt.Errorf("schedule not found")
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}
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s.logger.Info("Snapshot schedule deleted", "id", id)
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return nil
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}
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// ToggleSchedule enables or disables a schedule
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func (s *SnapshotScheduleService) ToggleSchedule(ctx context.Context, id string, enabled bool) error {
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query := `UPDATE snapshot_schedules SET enabled = $1, updated_at = NOW() WHERE id = $2`
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result, err := s.db.ExecContext(ctx, query, enabled, id)
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if err != nil {
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return fmt.Errorf("failed to toggle schedule: %w", err)
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}
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rowsAffected, err := result.RowsAffected()
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if err != nil {
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return fmt.Errorf("failed to get rows affected: %w", err)
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}
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if rowsAffected == 0 {
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return fmt.Errorf("schedule not found")
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}
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s.logger.Info("Snapshot schedule toggled", "id", id, "enabled", enabled)
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return nil
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}
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// scanScheduleRow scans a single schedule row
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func (s *SnapshotScheduleService) scanScheduleRow(row *sql.Row) (*SnapshotSchedule, error) {
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var schedule SnapshotSchedule
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var configJSON string
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var lastRunAt, nextRunAt sql.NullTime
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var retentionCount, retentionDays sql.NullInt64
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var createdBy sql.NullString
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err := row.Scan(
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&schedule.ID, &schedule.Name, &schedule.Dataset, &schedule.SnapshotNameTemplate,
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&schedule.ScheduleType, &configJSON, &schedule.Recursive, &schedule.Enabled,
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&retentionCount, &retentionDays, &lastRunAt, &nextRunAt,
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&createdBy, &schedule.CreatedAt, &schedule.UpdatedAt,
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)
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if err != nil {
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return nil, err
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}
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// Parse schedule config JSON
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if err := json.Unmarshal([]byte(configJSON), &schedule.ScheduleConfig); err != nil {
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return nil, fmt.Errorf("failed to unmarshal schedule config: %w", err)
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}
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// Handle nullable fields
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if lastRunAt.Valid {
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schedule.LastRunAt = &lastRunAt.Time
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}
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if nextRunAt.Valid {
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schedule.NextRunAt = &nextRunAt.Time
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}
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if retentionCount.Valid {
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count := int(retentionCount.Int64)
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schedule.RetentionCount = &count
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}
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if retentionDays.Valid {
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days := int(retentionDays.Int64)
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schedule.RetentionDays = &days
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}
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if createdBy.Valid {
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schedule.CreatedBy = createdBy.String
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}
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return &schedule, nil
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}
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// scanSchedule scans a schedule from rows
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func (s *SnapshotScheduleService) scanSchedule(rows *sql.Rows) (*SnapshotSchedule, error) {
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var schedule SnapshotSchedule
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var configJSON string
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var lastRunAt, nextRunAt sql.NullTime
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var retentionCount, retentionDays sql.NullInt64
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var createdBy sql.NullString
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err := rows.Scan(
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&schedule.ID, &schedule.Name, &schedule.Dataset, &schedule.SnapshotNameTemplate,
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&schedule.ScheduleType, &configJSON, &schedule.Recursive, &schedule.Enabled,
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&retentionCount, &retentionDays, &lastRunAt, &nextRunAt,
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&createdBy, &schedule.CreatedAt, &schedule.UpdatedAt,
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)
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if err != nil {
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return nil, err
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}
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// Parse schedule config JSON
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if err := json.Unmarshal([]byte(configJSON), &schedule.ScheduleConfig); err != nil {
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return nil, fmt.Errorf("failed to unmarshal schedule config: %w", err)
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}
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// Handle nullable fields
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if lastRunAt.Valid {
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schedule.LastRunAt = &lastRunAt.Time
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}
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if nextRunAt.Valid {
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schedule.NextRunAt = &nextRunAt.Time
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}
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if retentionCount.Valid {
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count := int(retentionCount.Int64)
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schedule.RetentionCount = &count
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}
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if retentionDays.Valid {
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days := int(retentionDays.Int64)
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schedule.RetentionDays = &days
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}
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if createdBy.Valid {
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schedule.CreatedBy = createdBy.String
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}
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return &schedule, nil
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}
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// calculateNextRun calculates the next run time based on schedule type and config
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func (s *SnapshotScheduleService) calculateNextRun(scheduleType string, config map[string]interface{}) (*time.Time, error) {
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now := time.Now()
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switch scheduleType {
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case "hourly":
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nextRun := now.Add(1 * time.Hour)
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// Round to next hour
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nextRun = nextRun.Truncate(time.Hour).Add(1 * time.Hour)
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return &nextRun, nil
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case "daily":
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timeStr, ok := config["time"].(string)
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if !ok {
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timeStr = "00:00"
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}
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// Parse time (HH:MM format)
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hour, min := 0, 0
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fmt.Sscanf(timeStr, "%d:%d", &hour, &min)
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nextRun := time.Date(now.Year(), now.Month(), now.Day(), hour, min, 0, 0, now.Location())
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if nextRun.Before(now) {
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nextRun = nextRun.Add(24 * time.Hour)
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}
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return &nextRun, nil
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case "weekly":
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dayOfWeek, ok := config["day"].(float64) // JSON numbers are float64
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if !ok {
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dayOfWeek = 0 // Sunday
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}
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timeStr, ok := config["time"].(string)
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if !ok {
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timeStr = "00:00"
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}
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hour, min := 0, 0
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fmt.Sscanf(timeStr, "%d:%d", &hour, &min)
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// Calculate next occurrence
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currentDay := int(now.Weekday())
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targetDay := int(dayOfWeek)
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daysUntil := (targetDay - currentDay + 7) % 7
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if daysUntil == 0 {
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// If same day, check if time has passed
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today := time.Date(now.Year(), now.Month(), now.Day(), hour, min, 0, 0, now.Location())
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if today.Before(now) {
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daysUntil = 7
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}
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}
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nextRun := time.Date(now.Year(), now.Month(), now.Day(), hour, min, 0, 0, now.Location()).AddDate(0, 0, daysUntil)
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return &nextRun, nil
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case "monthly":
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day, ok := config["day"].(float64)
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if !ok {
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day = 1
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}
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timeStr, ok := config["time"].(string)
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if !ok {
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timeStr = "00:00"
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}
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hour, min := 0, 0
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fmt.Sscanf(timeStr, "%d:%d", &hour, &min)
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// Calculate next occurrence
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nextRun := time.Date(now.Year(), now.Month(), int(day), hour, min, 0, 0, now.Location())
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if nextRun.Before(now) {
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nextRun = nextRun.AddDate(0, 1, 0)
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}
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return &nextRun, nil
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case "cron":
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// For cron, we'll use a simple implementation
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// In production, you'd want to use a proper cron parser library
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_, ok := config["cron"].(string)
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if !ok {
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return nil, fmt.Errorf("cron expression not found in config")
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}
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// Simple implementation: assume next run is in 1 hour
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// TODO: Implement proper cron parsing
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nextRun := now.Add(1 * time.Hour)
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return &nextRun, nil
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default:
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return nil, fmt.Errorf("unknown schedule type: %s", scheduleType)
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}
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}
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// GetDueSchedules retrieves all enabled schedules that are due to run
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func (s *SnapshotScheduleService) GetDueSchedules(ctx context.Context) ([]*SnapshotSchedule, error) {
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now := time.Now()
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query := `
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SELECT id, name, dataset, snapshot_name_template, schedule_type, schedule_config,
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recursive, enabled, retention_count, retention_days,
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last_run_at, next_run_at, created_by, created_at, updated_at
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FROM snapshot_schedules
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WHERE enabled = true AND next_run_at <= $1
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ORDER BY next_run_at ASC
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`
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rows, err := s.db.QueryContext(ctx, query, now)
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if err != nil {
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return nil, fmt.Errorf("failed to query due schedules: %w", err)
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}
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defer rows.Close()
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var schedules []*SnapshotSchedule
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for rows.Next() {
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schedule, err := s.scanSchedule(rows)
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if err != nil {
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s.logger.Error("Failed to scan schedule", "error", err)
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continue
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}
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schedules = append(schedules, schedule)
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}
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return schedules, rows.Err()
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}
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// ExecuteSchedule executes a snapshot schedule
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func (s *SnapshotScheduleService) ExecuteSchedule(ctx context.Context, schedule *SnapshotSchedule) error {
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now := time.Now()
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// Generate snapshot name from template
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snapshotName := s.generateSnapshotName(schedule.SnapshotNameTemplate, now)
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// Create snapshot
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if err := s.snapshotService.CreateSnapshot(ctx, schedule.Dataset, snapshotName, schedule.Recursive); err != nil {
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return fmt.Errorf("failed to create snapshot: %w", err)
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}
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s.logger.Info("Snapshot created from schedule", "schedule", schedule.Name, "snapshot", snapshotName, "dataset", schedule.Dataset)
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// Calculate next run time
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nextRunAt, err := s.calculateNextRun(schedule.ScheduleType, schedule.ScheduleConfig)
|
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if err != nil {
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s.logger.Error("Failed to calculate next run time", "error", err, "schedule", schedule.Name)
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// Set a default next run time (1 hour from now) if calculation fails
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defaultNextRun := now.Add(1 * time.Hour)
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nextRunAt = &defaultNextRun
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}
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|
||||
// Update schedule with last run time and next run time
|
||||
query := `
|
||||
UPDATE snapshot_schedules
|
||||
SET last_run_at = $1, next_run_at = $2, updated_at = NOW()
|
||||
WHERE id = $3
|
||||
`
|
||||
if _, err := s.db.ExecContext(ctx, query, now, nextRunAt, schedule.ID); err != nil {
|
||||
s.logger.Error("Failed to update schedule after execution", "error", err, "schedule", schedule.Name)
|
||||
// Don't return error here - snapshot was created successfully
|
||||
}
|
||||
|
||||
// Handle retention
|
||||
if err := s.handleRetention(ctx, schedule); err != nil {
|
||||
s.logger.Error("Failed to handle retention", "error", err, "schedule", schedule.Name)
|
||||
// Don't return error - retention is best effort
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// generateSnapshotName generates a snapshot name from a template
|
||||
func (s *SnapshotScheduleService) generateSnapshotName(template string, t time.Time) string {
|
||||
// Replace common time format placeholders
|
||||
name := template
|
||||
name = strings.ReplaceAll(name, "%Y", t.Format("2006"))
|
||||
name = strings.ReplaceAll(name, "%m", t.Format("01"))
|
||||
name = strings.ReplaceAll(name, "%d", t.Format("02"))
|
||||
name = strings.ReplaceAll(name, "%H", t.Format("15"))
|
||||
name = strings.ReplaceAll(name, "%M", t.Format("04"))
|
||||
name = strings.ReplaceAll(name, "%S", t.Format("05"))
|
||||
name = strings.ReplaceAll(name, "%Y-%m-%d", t.Format("2006-01-02"))
|
||||
name = strings.ReplaceAll(name, "%Y-%m-%d-%H%M", t.Format("2006-01-02-1504"))
|
||||
name = strings.ReplaceAll(name, "%Y-%m-%d-%H%M%S", t.Format("2006-01-02-150405"))
|
||||
|
||||
// If no placeholders were replaced, append timestamp
|
||||
if name == template {
|
||||
name = fmt.Sprintf("%s-%d", template, t.Unix())
|
||||
}
|
||||
|
||||
return name
|
||||
}
|
||||
|
||||
// handleRetention handles snapshot retention based on schedule settings
|
||||
func (s *SnapshotScheduleService) handleRetention(ctx context.Context, schedule *SnapshotSchedule) error {
|
||||
// Get all snapshots for this dataset
|
||||
snapshots, err := s.snapshotService.ListSnapshots(ctx, schedule.Dataset)
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to list snapshots: %w", err)
|
||||
}
|
||||
|
||||
// Filter snapshots that match this schedule's naming pattern
|
||||
matchingSnapshots := make([]*Snapshot, 0)
|
||||
for _, snapshot := range snapshots {
|
||||
// Check if snapshot name matches the template pattern
|
||||
if s.snapshotMatchesTemplate(snapshot.SnapshotName, schedule.SnapshotNameTemplate) {
|
||||
matchingSnapshots = append(matchingSnapshots, snapshot)
|
||||
}
|
||||
}
|
||||
|
||||
now := time.Now()
|
||||
snapshotsToDelete := make([]*Snapshot, 0)
|
||||
|
||||
// Apply retention_count if set
|
||||
if schedule.RetentionCount != nil && *schedule.RetentionCount > 0 {
|
||||
if len(matchingSnapshots) > *schedule.RetentionCount {
|
||||
// Sort by creation time (oldest first)
|
||||
sort.Slice(matchingSnapshots, func(i, j int) bool {
|
||||
return matchingSnapshots[i].Created.Before(matchingSnapshots[j].Created)
|
||||
})
|
||||
// Mark excess snapshots for deletion
|
||||
excessCount := len(matchingSnapshots) - *schedule.RetentionCount
|
||||
for i := 0; i < excessCount; i++ {
|
||||
snapshotsToDelete = append(snapshotsToDelete, matchingSnapshots[i])
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Apply retention_days if set
|
||||
if schedule.RetentionDays != nil && *schedule.RetentionDays > 0 {
|
||||
cutoffTime := now.AddDate(0, 0, -*schedule.RetentionDays)
|
||||
for _, snapshot := range matchingSnapshots {
|
||||
if snapshot.Created.Before(cutoffTime) {
|
||||
// Check if not already marked for deletion
|
||||
alreadyMarked := false
|
||||
for _, marked := range snapshotsToDelete {
|
||||
if marked.ID == snapshot.ID {
|
||||
alreadyMarked = true
|
||||
break
|
||||
}
|
||||
}
|
||||
if !alreadyMarked {
|
||||
snapshotsToDelete = append(snapshotsToDelete, snapshot)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Delete snapshots
|
||||
for _, snapshot := range snapshotsToDelete {
|
||||
if err := s.snapshotService.DeleteSnapshot(ctx, snapshot.Name, schedule.Recursive); err != nil {
|
||||
s.logger.Error("Failed to delete snapshot for retention", "error", err, "snapshot", snapshot.Name)
|
||||
continue
|
||||
}
|
||||
s.logger.Info("Deleted snapshot for retention", "snapshot", snapshot.Name, "schedule", schedule.Name)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// snapshotMatchesTemplate checks if a snapshot name matches a template pattern
|
||||
func (s *SnapshotScheduleService) snapshotMatchesTemplate(snapshotName, template string) bool {
|
||||
if template == "" {
|
||||
return false
|
||||
}
|
||||
|
||||
// Extract the base name from template (everything before the first %)
|
||||
// This handles templates like "auto-%Y-%m-%d" or "daily-backup-%Y%m%d"
|
||||
baseName := template
|
||||
if idx := strings.Index(template, "%"); idx != -1 {
|
||||
baseName = template[:idx]
|
||||
}
|
||||
|
||||
// If template starts with a placeholder, check if snapshot name matches the pattern
|
||||
// by checking if it starts with any reasonable prefix
|
||||
if baseName == "" {
|
||||
// Template starts with placeholder - use a more lenient check
|
||||
// Check if snapshot name matches common patterns
|
||||
return true // Match all if template is just placeholders
|
||||
}
|
||||
|
||||
// Check if snapshot name starts with the base name
|
||||
// This handles cases like template "auto-%Y-%m-%d" matching snapshot "auto-2024-01-15"
|
||||
return strings.HasPrefix(snapshotName, baseName)
|
||||
}
|
||||
Reference in New Issue
Block a user