Files
restic-manager/internal/store/maintenance.go

109 lines
3.6 KiB
Go

package store
import (
"context"
"database/sql"
"errors"
"fmt"
)
// CreateDefaultRepoMaintenance inserts the default cadences for a
// host. Called once at host enrolment alongside CreateHost. Safe to
// re-call (uses INSERT OR IGNORE so a manual repair doesn't blow up
// an already-seeded host).
func (st *Store) CreateDefaultRepoMaintenance(ctx context.Context, hostID string) error {
_, err := st.db.ExecContext(ctx,
`INSERT OR IGNORE INTO host_repo_maintenance (host_id) VALUES (?)`,
hostID)
if err != nil {
return fmt.Errorf("store: seed repo maintenance: %w", err)
}
return nil
}
// GetRepoMaintenance returns the cadence row for a host. Returns
// ErrNotFound if absent — caller should usually treat that as
// "needs CreateDefaultRepoMaintenance" rather than a hard error.
func (st *Store) GetRepoMaintenance(ctx context.Context, hostID string) (*HostRepoMaintenance, error) {
row := st.db.QueryRowContext(ctx,
`SELECT host_id, forget_cron, forget_enabled,
prune_cron, prune_enabled,
check_cron, check_enabled, check_subset_pct
FROM host_repo_maintenance WHERE host_id = ?`, hostID)
var (
m HostRepoMaintenance
forgetEnabled, pruneEnabled, checkEnabled int
)
err := row.Scan(&m.HostID,
&m.ForgetCron, &forgetEnabled,
&m.PruneCron, &pruneEnabled,
&m.CheckCron, &checkEnabled, &m.CheckSubsetPct)
if errors.Is(err, sql.ErrNoRows) {
return nil, ErrNotFound
}
if err != nil {
return nil, fmt.Errorf("store: get repo maintenance: %w", err)
}
m.ForgetEnabled = forgetEnabled != 0
m.PruneEnabled = pruneEnabled != 0
m.CheckEnabled = checkEnabled != 0
return &m, nil
}
// ListAllMaintenance returns every host_repo_maintenance row.
// Used by the server-side maintenance ticker to iterate every
// host on each tick. Order is unspecified (the ticker doesn't
// care).
func (st *Store) ListAllMaintenance(ctx context.Context) ([]HostRepoMaintenance, error) {
rows, err := st.db.QueryContext(ctx,
`SELECT host_id, forget_cron, forget_enabled,
prune_cron, prune_enabled,
check_cron, check_enabled, check_subset_pct
FROM host_repo_maintenance`)
if err != nil {
return nil, fmt.Errorf("store: list all maintenance: %w", err)
}
defer func() { _ = rows.Close() }()
var out []HostRepoMaintenance
for rows.Next() {
var (
m HostRepoMaintenance
forgetEnabled, pruneEnabled, checkEnabled int
)
if err := rows.Scan(&m.HostID,
&m.ForgetCron, &forgetEnabled,
&m.PruneCron, &pruneEnabled,
&m.CheckCron, &checkEnabled, &m.CheckSubsetPct); err != nil {
return nil, fmt.Errorf("store: scan maintenance: %w", err)
}
m.ForgetEnabled = forgetEnabled != 0
m.PruneEnabled = pruneEnabled != 0
m.CheckEnabled = checkEnabled != 0
out = append(out, m)
}
return out, rows.Err()
}
// UpdateRepoMaintenance replaces every editable field. Doesn't bump
// the schedule version — these run on the server's own ticker, not
// the agent's local cron, so the agent doesn't need to know.
func (st *Store) UpdateRepoMaintenance(ctx context.Context, m *HostRepoMaintenance) error {
if m.HostID == "" {
return errors.New("store: repo maintenance host_id required")
}
_, err := st.db.ExecContext(ctx,
`UPDATE host_repo_maintenance SET
forget_cron = ?, forget_enabled = ?,
prune_cron = ?, prune_enabled = ?,
check_cron = ?, check_enabled = ?, check_subset_pct = ?
WHERE host_id = ?`,
m.ForgetCron, boolToInt(m.ForgetEnabled),
m.PruneCron, boolToInt(m.PruneEnabled),
m.CheckCron, boolToInt(m.CheckEnabled), m.CheckSubsetPct,
m.HostID)
if err != nil {
return fmt.Errorf("store: update repo maintenance: %w", err)
}
return nil
}