Files
admin/.wiki/log.md
vitya 48a5cf397e tasks(restore-es-indices-books-vds): closed — snapshot restore + 2 preventive controls
snapshot restore из kreknin:daily-2026-05-25 за 46 сек (epz=820604,
products=105922, artmone=2621, counts == source).

RCA: 5 индексов (включая system .tasks) удалены через ES API DELETE _all
за 1 сек на 2026-05-26 10:21 UTC — 1ч 11мин после создания bookva-es в
cutover-prep. Каноничный endpoint elasticsearch.kzntsv.site попал под
команду которая предназначалась bookva-es:9200 (internal-only, без
traefik route). Caller identity unrecoverable: ES audit = X-Pack платный,
traefik accessLog был выключен, Portainer CE без audit.

Preventive controls applied + verified:
1. ES env action.destructive_requires_name=true (stack 33) — DELETE _all
   и wildcard теперь 400 BadRequest; by-name DELETE работает (нужно для
   reindex). Pattern удаления что случился физически невозможен.
2. Traefik JSON accessLog в /letsencrypt/access.log — будущие DELETE
   оставят forensic след с IP/user/method/path.

Wiki concept: .wiki/concepts/es-destructive-delete-incident-2026-05-26.md
с recovery runbook + preventive controls + cross-refs.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-28 20:11:07 +03:00

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# Wiki op-log
Append-only log of wiki operations (ingests, promotions, lints, migrations).
## [2026-05-28] ingest | concepts/es-destructive-delete-incident-2026-05-26 — RCA для удаления 3 user-индексов на canonical ES `elasticsearch.kzntsv.site` (books VDS stack 33) во время cutover-prep. Caller identity unrecoverable (audit log = X-Pack платный, traefik accessLog был выключен). 2 preventive controls applied + verified: ES env `action.destructive_requires_name=true` + traefik JSON accessLog. Источник: `.tasks/restore-elasticsearch-indices-books-vds.md` § Closure note.
## 2026-05-21
- bootstrap: empty wiki skeleton (CLAUDE.md, index.md, log.md, overview.md, raw/README.md) committed
## [2026-05-21] ingest | concepts/admin-infra-project
## [2026-05-21] seed | CLAUDE.md Domain conventions — design-context pointers (task: admin-infra-project-pointers)
## [2026-05-21] migrate | subtree-import 6 entities + 17 concepts + 3 sources from MoreThenCms (history preserved via subtree-split + temp-prefix merge)
## [2026-05-21] regen | index.md catalog refresh after subtree import
## [2026-05-21] ingest | concepts/ocis-on-vds-deploy-recipe — oCIS deploy recipe + gotchas (UID mismatch, PROXY_TLS, PROXY_ENABLE_BASIC_AUTH, LibreGraph user-create); updated entities/vds-kzntsv (added owncloud row to stack/hostnames/file-layout); source: .tasks/owncloud-vds-deploy.md
## [2026-05-22] update | concepts/ocis-on-vds-deploy-recipe — Gotcha 5: 60s HTTP timeout caps slow-uplink uploads at ~200MB on 3 MiB/s link; traefik buffering NOT the fix (500 from oxy buffer); workaround = VDS-side curl PUT loopback via throwaway sftp key. Source: .tasks/owncloud-vds-deploy.md close-note.
## [2026-05-23] ingest | concepts/windows-server-2025-core-bootstrap — default-blockers (SMB closed, IIS/URL-Rewrite/.NET unverified) + transfer-методов матрица (RDP-redirect / SMB / WinRM / SFTP); recommendation = SMB inbound с source-IP whitelist на время migration. Source: failed-robocopy инцидент 2026-05-23 18:08 (.tasks/iis-migration-to-ruvds.md Decisions log).
## [2026-05-24] ingest | concepts/books-ssh-access — SSH access audit на shared VDS pre-cutover Фазы 3 tenant-split. Retained keys table (1 key, vitya core dev), removed cosmetic dead root key, sshd hardening verified via `sshd -T` (not raw config), fail2ban active 2670 failed/37 banned, only vitya@94.19.247.14 в access log last 7 days. Source: .tasks/books-ssh-audit-shared-vds.md.
## [2026-05-24] ingest | RUVDS IIS migration + backup pipeline — entities/ruvds-iis-host (NEW, 80.64.31.36 Win Server 2025 Core, 25 SNI bindings, 2/24 hostnames DNS-flipped) + sources/iis-migration-to-ruvds-2026-05-23 (NEW, SSH/scp pivot после SMB-block by home-ISP) + sources/ruvds-backup-daily-kreknin-2026-05-24 (NEW, rclone+SFTP SYSTEM task daily 04:30) + concepts/traefik-acme-json-to-iis-cert-import (NEW, PFX+SNI recipe) + UPDATE concepts/windows-server-2025-core-bootstrap (SMB deprecate, HTTP middlebox warning, HTTP/2 note, backup-strategy + cert-import закрыты) + UPDATE entities/windows-recovery-host (IIS partial-cutover state, imgproxy SPOF carve-out) + UPDATE overview (RUVDS line). Sources: .tasks/iis-migration-to-ruvds.md, .tasks/ruvds-backup-daily-kreknin.md.
## [2026-05-28] ingest | vds-kzntsv DHCP outage postmortem — concepts/vds-kzntsv-dhcp-outage-2026-05-28 (NEW, симптомокартина + диагностический алгоритм + recovery runbook + RCA) + sources/vds-kzntsv-incident-2026-05-28 (NEW, timeline 05:25 backup OK → 08:15 detect → 08:43 statics fix → 08:50 disk GC; ticket text) + UPDATE entities/vds-kzntsv (Доступ §+subnet/gw/hypervisor/DNS resolvers; pass-store вместо .common/secrets; Known issues §NEW with 2026-05-28 incident; Open issues bump GC priority + iputils-ping note) + UPDATE concepts/rusonyx-vps-onboarding-quirks (quirk #9 NEW — gw в /18 надсети + recovery commands). Live session, no raw source ingested.
## [2026-05-28] update | vds-kzntsv DHCP outage post-resolution — после reset хостером в 13:52 MSK выяснилось что root cause — конфликт двух сетевых стеков (netplan+networkd поверх ожидаемого provider's ifupdown). Их `start/ipadd` ожидает чистый ifupdown, не мог auto-recover при разрыве DHCP binding. Resolution: mask netplan+systemd-networkd, reboot, provider положил `/etc/network/interfaces.d/ifcfg-eth0` с /18 netmask. UPDATE concepts/vds-kzntsv-dhcp-outage-2026-05-28 (revised RCA + permanent-fix § + anti-pattern + revised lessons-learned) + UPDATE sources/vds-kzntsv-incident-2026-05-28 (timeline до 14:00 + final config) + UPDATE entities/vds-kzntsv (mask /18, ifupdown stack, kernel cmdline net.ifnames=0) + UPDATE concepts/rusonyx-vps-onboarding-quirks (quirk #9 переписан про /18, quirk #10 NEW про ifupdown vs netplan stack). Memory `vds-kzntsv-rusonyx-network-recovery` переписан с новыми фактами.