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deploy: keep config backups out of dnsmasq conf dirs, cap at 10

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Backups were written as <conf>.backup.<ts> next to the live file. Both
dnsmasq instances load every file in their conf dir (the host excludes
only .dpkg-*), so each backup was parsed as live config, resurrecting
removed domains and piling up one stale copy per deploy.

Write them to BACKUP_DIR (/var/backups/bbrkn) instead and keep the
newest BACKUP_KEEP (10) per file.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DR7zpSsdX28T4Kn6v4jPSS
This commit is contained in:
goodvin 2026-10-13 20:54:19 +03:00
parent 1dff606865
commit a5ee057c59
2 changed files with 24 additions and 2 deletions
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README.md
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@ -132,6 +132,8 @@ make warm # прогреть nft-сеты (запускать на шл
| `TARGET_DIR` | `/opt/appdata/pihole/etc/dnsmasq.d` | Директория dnsmasq в Pi-hole (для `92-resolve`) |
| `DOCKER_CONTAINER` | `pihole` | Имя Docker-контейнера Pi-hole |
| `HOST_DNSMASQ_SVC` | `dnsmasq` | systemd-сервис host-инстанса dnsmasq |
| `BACKUP_DIR` | `/var/backups/bbrkn` | Куда класть бэкапы конфигов перед деплоем (НЕ в `dnsmasq.d` — оттуда грузится всё) |
| `BACKUP_KEEP` | `10` | Сколько последних бэкапов хранить на каждый файл |
| `NFT_SETS` | `inet filter bbrkn_v4;inet filter bbrkn_v6` | Сеты для flush после деплоя (через `;`) |
| `DNS_LISTEN_ADDR` | `127.0.0.1` | Адрес, на котором Pi-hole слушает DNS (:53) |
| `DNS_CHECK_DOMAIN` | `google.com` | Домен базового DNS health check |