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jarl/deploy/systemd/jarl-backup.service
T
abrown38andClaude Opus 5.5 293e6ddd33 Add backups, token expiry warnings and name server checks
- Daily database backups: jarl-backup.timer runs 'jarld backup', which
  writes jarl-<UTC time>.db into backup.dir, checks it before naming it,
  and prunes by the time in the name while always keeping the newest
  keep_at_least. New backup: section in jarl.yaml; the dashboard and
  'jarl status' show the newest backup and warn when it is stale or
  failed. The Debian package enables the timer.
- 'jarld restore [FILE | latest]': checks the backup, shows it next to
  the current database, keeps the current one aside and records the
  restore. 'jarld serve' holds a database lock, so a restore can't run
  under a live jarld and two jarlds can't share a database.
- Token expiry warnings from 14 days ahead: dashboard, token lists, a
  daily log line, and a CLI warning via the Jarl-Token-Expires header;
  'jarl token list --expiring'.
- 'jarl zone serials' and the zone page's Name servers tab: compare the
  serial on a primary zone's secondaries (NS records, also-notify) or a
  secondary zone's primaries with this server's.
- 'jarl zone delegation': for zones on the internet, check the parent's
  delegation and glue against the zone; an undelegated zone gets a note.
- Server: Jarl/<version> header; CLI exit code 2 for failed checks.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-08 19:02:34 +00:00

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# Jarl: one database backup, run daily by jarl-backup.timer.
# Installed as /etc/systemd/system/jarl-backup.service (see
# docs/operations.md#backups). What to keep, and where, is in the backup:
# section of /etc/jarl/jarl.yaml; when it runs is in jarl-backup.timer.
[Unit]
Description=Jarl database backup
Documentation=file:///usr/local/share/doc/jarl/docs/operations.md
# Nothing to back up before 'jarld init'. (If you moved the database in
# jarl.yaml, change this with 'systemctl edit jarl-backup.service'.)
ConditionPathExists=/var/lib/jarl/jarl.db
[Service]
Type=oneshot
ExecStart=/usr/local/bin/jarld --config /etc/jarl/jarl.yaml backup
User=jarl
Group=jarl
UMask=0077
Nice=10
IOSchedulingClass=idle
# The database (read, and the backup's record written) and the backup
# directory. If you change backup.dir in jarl.yaml, allow the new one too:
# 'systemctl edit jarl-backup.service' and add ReadWritePaths=/new/dir.
ProtectSystem=strict
ReadWritePaths=/var/lib/jarl -/var/backups/jarl
ProtectHome=yes
PrivateTmp=yes
PrivateDevices=yes
PrivateNetwork=yes
NoNewPrivileges=yes
CapabilityBoundingSet=
AmbientCapabilities=
ProtectKernelTunables=yes
ProtectKernelModules=yes
ProtectKernelLogs=yes
ProtectControlGroups=yes
ProtectClock=yes
ProtectHostname=yes
RestrictNamespaces=yes
RestrictRealtime=yes
RestrictSUIDSGID=yes
LockPersonality=yes
MemoryDenyWriteExecute=yes
RestrictAddressFamilies=AF_UNIX
SystemCallArchitectures=native
SystemCallFilter=@system-service
SystemCallErrorNumber=EPERM