steve
7b1990cf11
Agent: new runner.BackupHooks struct + runHook helper invoked via /bin/sh -c (cmd.exe /C on Windows). pre_hook non-zero exit aborts the backup; post_hook always runs with RM_JOB_STATUS=succeeded|failed in env. Output streamed as 'hook(<phase>): …' log.stream lines. Hooks only run for kind=backup (other kinds skip both phases). Server: resolveBackupHooks resolves group → host default → empty, decrypts via crypto.AEAD with per-slot ad bytes, plumbs plaintext into CommandRunPayload for both schedule.fire and per-group Run-now dispatch sites. Decrypt failures degrade silently to no hook so a malformed blob can't poison every backup.
271 lines
8.2 KiB
Go
271 lines
8.2 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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// CreateSourceGroup inserts a new group + bumps host_schedule_version
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// in one tx. Group name doubles as the snapshot tag on backups; the
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// (host_id, name) UNIQUE constraint enforces tag unambiguity.
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func (st *Store) CreateSourceGroup(ctx context.Context, g *SourceGroup) error {
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if g.ID == "" || g.HostID == "" || g.Name == "" {
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return errors.New("store: source group id, host_id, name required")
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}
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now := time.Now().UTC()
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g.CreatedAt = now
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g.UpdatedAt = now
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if g.Includes == nil {
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g.Includes = []string{}
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}
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if g.Excludes == nil {
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g.Excludes = []string{}
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}
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if g.RetryMax == 0 {
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g.RetryMax = 3
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}
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if g.RetryBackoffSeconds == 0 {
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g.RetryBackoffSeconds = 60
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}
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includesJSON, _ := json.Marshal(g.Includes)
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excludesJSON, _ := json.Marshal(g.Excludes)
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retentionJSON, _ := json.Marshal(g.RetentionPolicy)
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tx, err := st.db.BeginTx(ctx, nil)
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if err != nil {
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return fmt.Errorf("store: begin tx: %w", err)
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}
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defer func() { _ = tx.Rollback() }()
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if _, err := tx.ExecContext(ctx,
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`INSERT INTO source_groups (
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id, host_id, name, includes, excludes, retention_policy,
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retry_max, retry_backoff_seconds, conflict_dimension,
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created_at, updated_at, pre_hook, post_hook
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) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`,
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g.ID, g.HostID, g.Name,
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string(includesJSON), string(excludesJSON), string(retentionJSON),
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g.RetryMax, g.RetryBackoffSeconds,
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nullableString(g.ConflictDimension),
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now.Format(time.RFC3339Nano), now.Format(time.RFC3339Nano),
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nullableString(g.PreHook), nullableString(g.PostHook),
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); err != nil {
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return fmt.Errorf("store: create source group: %w", err)
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}
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if err := bumpHostScheduleVersionTx(ctx, tx, g.HostID); err != nil {
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return err
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}
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return tx.Commit()
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}
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// UpdateSourceGroup replaces every editable field on an existing row
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// and bumps host_schedule_version. Returns ErrNotFound if no row matched.
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func (st *Store) UpdateSourceGroup(ctx context.Context, g *SourceGroup) error {
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if g.ID == "" || g.HostID == "" || g.Name == "" {
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return errors.New("store: source group id, host_id, name required")
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}
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if g.Includes == nil {
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g.Includes = []string{}
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}
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if g.Excludes == nil {
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g.Excludes = []string{}
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}
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includesJSON, _ := json.Marshal(g.Includes)
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excludesJSON, _ := json.Marshal(g.Excludes)
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retentionJSON, _ := json.Marshal(g.RetentionPolicy)
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now := time.Now().UTC()
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tx, err := st.db.BeginTx(ctx, nil)
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if err != nil {
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return fmt.Errorf("store: begin tx: %w", err)
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}
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defer func() { _ = tx.Rollback() }()
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res, err := tx.ExecContext(ctx,
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`UPDATE source_groups SET
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name = ?, includes = ?, excludes = ?, retention_policy = ?,
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retry_max = ?, retry_backoff_seconds = ?, conflict_dimension = ?,
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updated_at = ?, pre_hook = ?, post_hook = ?
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WHERE id = ? AND host_id = ?`,
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g.Name,
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string(includesJSON), string(excludesJSON), string(retentionJSON),
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g.RetryMax, g.RetryBackoffSeconds,
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nullableString(g.ConflictDimension),
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now.Format(time.RFC3339Nano),
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nullableString(g.PreHook), nullableString(g.PostHook),
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g.ID, g.HostID,
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)
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if err != nil {
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return fmt.Errorf("store: update source group: %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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g.UpdatedAt = now
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if err := bumpHostScheduleVersionTx(ctx, tx, g.HostID); err != nil {
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return err
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}
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return tx.Commit()
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}
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// DeleteSourceGroup removes a group and bumps host_schedule_version.
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// Junction rows in schedule_source_groups go via ON DELETE CASCADE.
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// Caller is expected to have already enforced the "default group
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// can't be the only one" UI rule; this layer just deletes.
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func (st *Store) DeleteSourceGroup(ctx context.Context, hostID, groupID string) error {
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tx, err := st.db.BeginTx(ctx, nil)
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if err != nil {
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return fmt.Errorf("store: begin tx: %w", err)
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}
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defer func() { _ = tx.Rollback() }()
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res, err := tx.ExecContext(ctx,
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`DELETE FROM source_groups WHERE id = ? AND host_id = ?`,
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groupID, hostID)
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if err != nil {
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return fmt.Errorf("store: delete source group: %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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if err := bumpHostScheduleVersionTx(ctx, tx, hostID); err != nil {
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return err
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}
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return tx.Commit()
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}
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// GetSourceGroup returns one group by (host_id, id). ErrNotFound on miss.
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func (st *Store) GetSourceGroup(ctx context.Context, hostID, groupID string) (*SourceGroup, error) {
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row := st.db.QueryRowContext(ctx,
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`SELECT id, host_id, name, includes, excludes, retention_policy,
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retry_max, retry_backoff_seconds, conflict_dimension,
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created_at, updated_at, pre_hook, post_hook
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FROM source_groups WHERE id = ? AND host_id = ?`,
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groupID, hostID)
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g, err := scanSourceGroup(row)
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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 g, err
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}
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// GetSourceGroupByName resolves a group by its (host-unique) name.
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// Used by retention-conflict detection and the auto-init flow.
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func (st *Store) GetSourceGroupByName(ctx context.Context, hostID, name string) (*SourceGroup, error) {
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row := st.db.QueryRowContext(ctx,
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`SELECT id, host_id, name, includes, excludes, retention_policy,
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retry_max, retry_backoff_seconds, conflict_dimension,
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created_at, updated_at, pre_hook, post_hook
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FROM source_groups WHERE host_id = ? AND name = ?`,
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hostID, name)
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g, err := scanSourceGroup(row)
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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 g, err
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}
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// ListSourceGroupsByHost returns every group for a host, ordered
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// by name (so 'default' isn't always at the bottom alphabetically —
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// well, it usually IS the only 'd' name on a fresh host so this
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// works out fine). Empty slice on miss.
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func (st *Store) ListSourceGroupsByHost(ctx context.Context, hostID string) ([]SourceGroup, error) {
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rows, err := st.db.QueryContext(ctx,
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`SELECT id, host_id, name, includes, excludes, retention_policy,
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retry_max, retry_backoff_seconds, conflict_dimension,
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created_at, updated_at, pre_hook, post_hook
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FROM source_groups WHERE host_id = ? ORDER BY name`,
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hostID)
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if err != nil {
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return nil, fmt.Errorf("store: list source groups: %w", err)
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}
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defer func() { _ = rows.Close() }()
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out := []SourceGroup{}
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for rows.Next() {
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g, err := scanSourceGroupRow(rows)
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if err != nil {
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return nil, err
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}
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out = append(out, *g)
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}
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return out, rows.Err()
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}
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// SetSourceGroupConflict updates only the cached conflict_dimension.
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// Doesn't bump schedule version (the cache is server-internal, agent
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// doesn't see it). Empty string clears the conflict.
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func (st *Store) SetSourceGroupConflict(ctx context.Context, groupID, dimension string) error {
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_, err := st.db.ExecContext(ctx,
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`UPDATE source_groups SET conflict_dimension = ? WHERE id = ?`,
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nullableString(dimension), groupID)
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if err != nil {
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return fmt.Errorf("store: set source group conflict: %w", err)
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}
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return nil
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}
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// ----- scan helpers --------------------------------------------------
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func scanSourceGroup(row *sql.Row) (*SourceGroup, error) {
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return scanSourceGroupRow(row)
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}
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type sourceGroupScanner interface {
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Scan(dest ...any) error
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}
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func scanSourceGroupRow(s sourceGroupScanner) (*SourceGroup, error) {
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var (
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out SourceGroup
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includes, excludes, retention string
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conflict sql.NullString
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createdAt, updatedAt string
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preHook, postHook sql.NullString
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)
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err := s.Scan(&out.ID, &out.HostID, &out.Name,
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&includes, &excludes, &retention,
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&out.RetryMax, &out.RetryBackoffSeconds, &conflict,
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&createdAt, &updatedAt, &preHook, &postHook)
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if err != nil {
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return nil, err
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}
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if preHook.Valid {
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out.PreHook = preHook.String
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}
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if postHook.Valid {
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out.PostHook = postHook.String
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}
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if includes != "" {
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_ = json.Unmarshal([]byte(includes), &out.Includes)
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}
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if excludes != "" {
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_ = json.Unmarshal([]byte(excludes), &out.Excludes)
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}
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if retention != "" {
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_ = json.Unmarshal([]byte(retention), &out.RetentionPolicy)
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}
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if conflict.Valid {
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out.ConflictDimension = conflict.String
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}
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if t, err := time.Parse(time.RFC3339Nano, createdAt); err == nil {
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out.CreatedAt = t
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}
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if t, err := time.Parse(time.RFC3339Nano, updatedAt); err == nil {
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out.UpdatedAt = t
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}
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return &out, nil
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}
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func nullableString(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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