394 lines
11 KiB
Go
394 lines
11 KiB
Go
package store
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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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"errors"
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"fmt"
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"time"
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)
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// Job mirrors the jobs table.
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type Job struct {
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ID string
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HostID string
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Kind string
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Status string
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ScheduledID *string
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SourceGroupID *string // populated for backup jobs; alert engine dedup key
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ActorKind string // user|schedule|system
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ActorID *string
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StartedAt *time.Time
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FinishedAt *time.Time
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ExitCode *int
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Stats json.RawMessage
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Error *string
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CreatedAt time.Time
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}
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// CreateJob inserts a queued job. The agent will mark it running
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// when it actually starts work. ScheduledID is set when the job
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// originates from a cron fire (actor_kind="schedule"); nil for
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// operator-driven run-now.
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func (s *Store) CreateJob(ctx context.Context, j Job) error {
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_, err := s.db.ExecContext(ctx,
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`INSERT INTO jobs (id, host_id, kind, status, scheduled_id, source_group_id, actor_kind, actor_id, created_at)
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VALUES (?, ?, ?, 'queued', ?, ?, ?, ?, ?)`,
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j.ID, j.HostID, j.Kind,
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nullable(j.ScheduledID), nullable(j.SourceGroupID),
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j.ActorKind, nullable(j.ActorID),
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j.CreatedAt.UTC().Format(time.RFC3339Nano))
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if err != nil {
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return fmt.Errorf("store: create job: %w", err)
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}
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return nil
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}
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// MarkJobStarted flips status to 'running' and records started_at.
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func (s *Store) MarkJobStarted(ctx context.Context, id string, when time.Time) error {
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res, err := s.db.ExecContext(ctx,
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`UPDATE jobs
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SET status = 'running', started_at = ?
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WHERE id = ? AND status IN ('queued','running')`,
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when.UTC().Format(time.RFC3339Nano), id)
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if err != nil {
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return fmt.Errorf("store: mark started: %w", err)
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}
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n, _ := res.RowsAffected()
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if n == 0 {
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return ErrNotFound
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}
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return nil
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}
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// MarkJobFinished records the terminal state.
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func (s *Store) MarkJobFinished(ctx context.Context, id, status string, exitCode int, stats json.RawMessage, errMsg string, when time.Time) error {
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if len(stats) == 0 {
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stats = json.RawMessage("null")
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}
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res, err := s.db.ExecContext(ctx,
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`UPDATE jobs
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SET status = ?, finished_at = ?, exit_code = ?, stats = ?, error = ?
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WHERE id = ?`,
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status,
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when.UTC().Format(time.RFC3339Nano),
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exitCode, string(stats), nullableStr(errMsg), id)
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if err != nil {
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return fmt.Errorf("store: mark finished: %w", err)
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}
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n, _ := res.RowsAffected()
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if n == 0 {
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return ErrNotFound
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}
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return nil
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}
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// AppendJobLog records one line of agent output. seq is the agent's
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// monotonic sequence number; gaps imply lost data.
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func (s *Store) AppendJobLog(ctx context.Context, jobID string, seq int64, ts time.Time, stream, payload string) error {
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_, err := s.db.ExecContext(ctx,
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`INSERT INTO job_logs (job_id, seq, ts, stream, payload) VALUES (?,?,?,?,?)`,
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jobID, seq, ts.UTC().Format(time.RFC3339Nano), stream, payload)
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if err != nil {
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return fmt.Errorf("store: append job log: %w", err)
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}
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return nil
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}
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// JobLogLine is one persisted log line, ready to render.
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type JobLogLine struct {
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Seq int64
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TS time.Time
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Stream string // stdout|stderr|event
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Payload string
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}
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// ListJobLogs returns persisted log lines for a job in seq order.
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// afterSeq lets pagers / reconnect-resuming clients fetch only the
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// tail; passing 0 returns from the beginning. limit caps the result
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// (0 means no cap).
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func (s *Store) ListJobLogs(ctx context.Context, jobID string, afterSeq int64, limit int) ([]JobLogLine, error) {
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q := `SELECT seq, ts, stream, payload FROM job_logs
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WHERE job_id = ? AND seq > ? ORDER BY seq ASC`
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args := []any{jobID, afterSeq}
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if limit > 0 {
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q += ` LIMIT ?`
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args = append(args, limit)
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}
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rows, err := s.db.QueryContext(ctx, q, args...)
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if err != nil {
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return nil, fmt.Errorf("store: list job logs: %w", err)
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}
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defer func() { _ = rows.Close() }()
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var out []JobLogLine
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for rows.Next() {
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var l JobLogLine
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var ts string
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if err := rows.Scan(&l.Seq, &ts, &l.Stream, &l.Payload); err != nil {
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return nil, fmt.Errorf("store: scan job log: %w", err)
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}
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t, perr := time.Parse(time.RFC3339Nano, ts)
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if perr != nil {
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return nil, fmt.Errorf("store: parse job log ts: %w", perr)
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}
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l.TS = t
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out = append(out, l)
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}
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return out, rows.Err()
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}
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// GetJob returns a job row.
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func (s *Store) GetJob(ctx context.Context, id string) (*Job, error) {
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row := s.db.QueryRowContext(ctx,
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`SELECT id, host_id, kind, status, scheduled_id, source_group_id, actor_kind, actor_id,
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started_at, finished_at, exit_code, stats, error, created_at
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FROM jobs WHERE id = ?`, id)
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var (
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j Job
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schedID sql.NullString
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groupID sql.NullString
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actorID sql.NullString
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startedAt sql.NullString
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finishedAt sql.NullString
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exitCode sql.NullInt64
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stats sql.NullString
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errMsg sql.NullString
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createdAt string
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)
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if err := row.Scan(&j.ID, &j.HostID, &j.Kind, &j.Status, &schedID, &groupID,
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&j.ActorKind, &actorID, &startedAt, &finishedAt,
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&exitCode, &stats, &errMsg, &createdAt); err != nil {
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if errors.Is(err, sql.ErrNoRows) {
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return nil, ErrNotFound
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}
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return nil, fmt.Errorf("store: scan job: %w", err)
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}
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if schedID.Valid {
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s := schedID.String
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j.ScheduledID = &s
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}
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if groupID.Valid {
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s := groupID.String
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j.SourceGroupID = &s
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}
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if actorID.Valid {
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s := actorID.String
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j.ActorID = &s
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}
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if startedAt.Valid {
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t, _ := time.Parse(time.RFC3339Nano, startedAt.String)
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j.StartedAt = &t
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}
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if finishedAt.Valid {
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t, _ := time.Parse(time.RFC3339Nano, finishedAt.String)
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j.FinishedAt = &t
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}
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if exitCode.Valid {
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i := int(exitCode.Int64)
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j.ExitCode = &i
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}
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if stats.Valid && stats.String != "" {
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j.Stats = json.RawMessage(stats.String)
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}
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if errMsg.Valid {
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s := errMsg.String
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j.Error = &s
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}
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t, _ := time.Parse(time.RFC3339Nano, createdAt)
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j.CreatedAt = t
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return &j, nil
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}
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// LatestJobByKind returns the most recent job (any status, including
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// queued and running) of the given kind for the host, or
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// (nil, ErrNotFound) if no such job exists. Used by the maintenance
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// ticker to compute "last fire" anchors for the cron-due check;
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// in-flight jobs MUST be considered or a long-running prune (>60s)
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// would re-fire on the next tick while the first is still running.
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func (s *Store) LatestJobByKind(ctx context.Context, hostID, kind string) (*Job, error) {
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row := s.db.QueryRowContext(ctx,
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`SELECT id, host_id, kind, status, scheduled_id, source_group_id, actor_kind, actor_id,
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started_at, finished_at, exit_code, stats, error, created_at
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FROM jobs
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WHERE host_id = ? AND kind = ?
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ORDER BY created_at DESC
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LIMIT 1`, hostID, kind)
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var (
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j Job
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schedID sql.NullString
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groupID sql.NullString
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actorID sql.NullString
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startedAt sql.NullString
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finishedAt sql.NullString
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exitCode sql.NullInt64
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stats sql.NullString
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errMsg sql.NullString
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createdAt string
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)
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if err := row.Scan(&j.ID, &j.HostID, &j.Kind, &j.Status, &schedID, &groupID,
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&j.ActorKind, &actorID, &startedAt, &finishedAt,
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&exitCode, &stats, &errMsg, &createdAt); err != nil {
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if errors.Is(err, sql.ErrNoRows) {
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return nil, ErrNotFound
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}
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return nil, fmt.Errorf("store: scan latest job by kind: %w", err)
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}
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if schedID.Valid {
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s := schedID.String
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j.ScheduledID = &s
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}
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if groupID.Valid {
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s := groupID.String
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j.SourceGroupID = &s
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}
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if actorID.Valid {
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s := actorID.String
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j.ActorID = &s
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}
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if startedAt.Valid {
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t, _ := time.Parse(time.RFC3339Nano, startedAt.String)
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j.StartedAt = &t
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}
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if finishedAt.Valid {
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t, _ := time.Parse(time.RFC3339Nano, finishedAt.String)
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j.FinishedAt = &t
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}
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if exitCode.Valid {
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i := int(exitCode.Int64)
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j.ExitCode = &i
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}
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if stats.Valid && stats.String != "" {
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j.Stats = json.RawMessage(stats.String)
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}
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if errMsg.Valid {
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s := errMsg.String
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j.Error = &s
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}
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t, _ := time.Parse(time.RFC3339Nano, createdAt)
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j.CreatedAt = t
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return &j, nil
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}
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// HasActiveBackupJob reports whether the host has a backup job that is
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// still queued or running. The catch-up scheduler uses this to avoid
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// dispatching a duplicate backup alongside one already in flight
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// (hosts.current_job_id is not maintained, so this is the authoritative
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// in-flight check).
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func (s *Store) HasActiveBackupJob(ctx context.Context, hostID string) (bool, error) {
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var exists bool
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err := s.db.QueryRowContext(ctx,
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`SELECT EXISTS(SELECT 1 FROM jobs WHERE host_id = ? AND kind = 'backup' AND status IN ('queued','running'))`,
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hostID).Scan(&exists)
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if err != nil {
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return false, fmt.Errorf("store: has active backup job: %w", err)
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}
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return exists, nil
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}
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// HasJobOfKind reports whether any job of the given kind exists for
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// this host, regardless of status. Used by the auto-init path on
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// agent hello to decide whether to dispatch a fresh `restic init` —
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// once we've tried once we don't auto-retry, even on failure
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// (failed init usually means bad creds; retrying every reconnect
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// just piles up failed rows). The operator can re-init manually via
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// the Repo page's danger zone.
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func (s *Store) HasJobOfKind(ctx context.Context, hostID, kind string) (bool, error) {
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var n int
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err := s.db.QueryRowContext(ctx,
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`SELECT COUNT(*) FROM jobs WHERE host_id = ? AND kind = ?`,
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hostID, kind).Scan(&n)
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if err != nil {
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return false, fmt.Errorf("store: count jobs of kind: %w", err)
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}
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return n > 0, nil
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}
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// ListJobsByHost returns recent jobs for hostID, ordered by
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// created_at DESC, limited to at most `limit` rows. limit ≤ 0 is
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// treated as no limit.
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func (s *Store) ListJobsByHost(ctx context.Context, hostID string, limit int) ([]Job, error) {
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q := `SELECT id, host_id, kind, status, scheduled_id, source_group_id,
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actor_kind, actor_id, started_at, finished_at, exit_code,
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stats, error, created_at
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FROM jobs
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WHERE host_id = ?
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ORDER BY created_at DESC`
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args := []any{hostID}
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if limit > 0 {
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q += ` LIMIT ?`
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args = append(args, limit)
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}
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rows, err := s.db.QueryContext(ctx, q, args...)
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if err != nil {
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return nil, fmt.Errorf("store: list jobs by host: %w", err)
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}
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defer func() { _ = rows.Close() }()
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var out []Job
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for rows.Next() {
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var (
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j Job
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schedID sql.NullString
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groupID sql.NullString
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actorID sql.NullString
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startedAt sql.NullString
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finishedAt sql.NullString
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exitCode sql.NullInt64
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stats sql.NullString
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errMsg sql.NullString
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createdAt string
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)
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if err := rows.Scan(&j.ID, &j.HostID, &j.Kind, &j.Status, &schedID, &groupID,
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&j.ActorKind, &actorID, &startedAt, &finishedAt,
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&exitCode, &stats, &errMsg, &createdAt); err != nil {
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return nil, fmt.Errorf("store: scan job row: %w", err)
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}
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if schedID.Valid {
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v := schedID.String
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j.ScheduledID = &v
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}
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if groupID.Valid {
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v := groupID.String
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j.SourceGroupID = &v
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}
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if actorID.Valid {
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v := actorID.String
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j.ActorID = &v
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}
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if startedAt.Valid {
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t, _ := time.Parse(time.RFC3339Nano, startedAt.String)
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j.StartedAt = &t
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}
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if finishedAt.Valid {
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t, _ := time.Parse(time.RFC3339Nano, finishedAt.String)
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j.FinishedAt = &t
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}
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if exitCode.Valid {
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i := int(exitCode.Int64)
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j.ExitCode = &i
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}
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if stats.Valid && stats.String != "" {
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j.Stats = json.RawMessage(stats.String)
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}
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if errMsg.Valid {
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v := errMsg.String
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j.Error = &v
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}
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t, _ := time.Parse(time.RFC3339Nano, createdAt)
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j.CreatedAt = t
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out = append(out, j)
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}
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if err := rows.Err(); err != nil {
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return nil, fmt.Errorf("store: iterate jobs by host: %w", err)
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}
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return out, nil
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}
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func nullableStr(s string) any {
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if s == "" {
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return nil
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}
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return s
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}
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