fix(ops): бэкап не теряет роли, не глотает ошибки и умеет уезжать с машины (#2203) #3004

Merged
lekss361 merged 4 commits from chore/backup-hardening-2203 into main 2026-08-20 19:44:22 +00:00
6 changed files with 412 additions and 32 deletions

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@ -25,8 +25,8 @@ Reference incident: PR #346 (2026-05-18) deploy → user сам нашёл prod
## Path triggers (Forgejo Actions, `.forgejo/workflows/`)
- `backend/**`, `frontend/**`, `Caddyfile`, `caddy/**`, `docker-compose.prod.yml`, `data/sql/**`, `ops/glitchtip-auth-forwarder/**`, `ops/db-bootstrap/**`, `ops/docker-prune.sh`, `.forgejo/workflows/deploy.yml``deploy.yml` (main Site Finder stack)
- ⚠️ `ops/**` целиком **не** триггерит — только перечисленные подпути. Любой новый файл в `ops/`, который исполняется на VM (cron / шаг деплоя), надо добавлять в `paths:` явно, иначе он не доедет до `/opt/gendesign` и будет молча исполняться в старой версии
- `backend/**`, `frontend/**`, `Caddyfile`, `caddy/**`, `docker-compose.prod.yml`, `data/sql/**`, `ops/glitchtip-auth-forwarder/**`, `ops/db-bootstrap/**`, `ops/*.sh`, `.forgejo/workflows/deploy.yml``deploy.yml` (main Site Finder stack)
- `ops/*.sh` (#2203) — любой скрипт непосредственно в `ops/` уезжает на VM автоматически, дополнять `paths:` вручную для нового `ops/<name>.sh` не нужно. ⚠️ Одиночная звёздочка не пересекает `/`**новый подкаталог** внутри `ops/` (по образцу `ops/db-bootstrap/`, `ops/glitchtip-auth-forwarder/`) под этот глоб не попадает и требует своей отдельной строки в `paths:`, иначе не доедет до `/opt/gendesign` и будет молча исполняться в старой версии
- trade-in изменения → `deploy-tradein.yml` (отдельный stack; paths-filter base = last deployed SHA → накопленный diff, fail-safe build-all)
- `docker-compose.obsidian.yml`, `scripts/setup-couchdb.sh`, `docs/obsidian-livesync.md``.forgejo/workflows/deploy-obsidian.yml`
- `docs/**` alone → НЕ триггерит деплой

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@ -32,7 +32,13 @@ on:
# по cron из /opt/gendesign/ops/, куда попадает только через `git reset --hard`
# шага деплоя. Без этой строки правка скрипта лежала бы в main, а cron месяцами
# исполнял бы старую версию — молча и без единого сигнала.
- "ops/docker-prune.sh"
# Глоб, а не точечный список (#2203): класс бага — «любой ops-скрипт,
# запускаемый по cron с VM», не только docker-prune.sh. Сейчас сюда попадают
# backup.sh, restore-drill.sh, restore.sh, uptime-healthcheck.sh — точечное
# перечисление пришлось бы дополнять при каждом новом скрипте, и про это
# снова забыли бы (см. как этот самый комментарий выше был точечным про
# docker-prune.sh и не спас backup.sh). Глоб закрывает класс целиком.
- "ops/*.sh"
workflow_dispatch:
# #2950: ОБЩАЯ группа с deploy-tradein.yml — не опечатка и не копипаста.

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@ -3,16 +3,23 @@
#
# Modeled on the proven ops/.../backup-tradein-db.sh (#397). Hardened for #71
# after the main-DB backup silently broke (last good dump 2026-05-27): a raw
# `git reset --hard origin/main` on every deploy reset this file's mode to 644,
# so a cron entry that invoked the raw path got "Permission denied" every run.
# deploy-time hard reset of the repo checkout onto origin/main reset this
# file's mode to 644, so a cron entry that invoked the raw path got
# "Permission denied" every run.
#
# Robustness measures here:
# Robustness measures here (extended for #2203):
# - cron should invoke via `bash <path>` so a missing +x bit can't break it
# (this file is ALSO committed 100755, and deploy.yml re-chmods ops/*.sh);
# - sanity-check: a suspiciously small dump (< MIN_DUMP_BYTES) is treated as a
# failed dump — it's deleted and the script exits non-zero, so a good prior
# dump is never pruned in favour of a truncated one;
# - retention: keep the KEEP most-recent local dumps, delete the rest.
# - integrity-check: gzip -t + a trailer sentinel catch a truncated dump that
# is neither empty nor undersized (see verify_dump_integrity below);
# - globals (roles/GRANTs) are dumped separately via `pg_dumpall --globals-only`
# — `pg_dump` never includes these, so without this a restore has tables
# but no owning roles/privileges;
# - retention: keep the KEEP most-recent local dumps, delete the rest — main
# dumps and globals dumps are tracked as separate series.
#
# Usage (cron — note `bash`, not a bare path, so +x is irrelevant):
# 30 3 * * * bash /opt/gendesign/ops/backup.sh >> /var/log/gendesign-backup.log 2>&1
@ -25,7 +32,8 @@
# S3_SECRET_KEY=...
# A redacted template lives at ops/gendesign-backup.default.example.
#
# Restore: see ops/restore.sh.
# Restore: see ops/restore.sh (destructive, INTO the live DB).
# Restore drill (safe, throwaway container): see ops/restore-drill.sh.
set -euo pipefail
@ -38,18 +46,45 @@ KEEP="${KEEP:-7}" # how many recent local dumps to keep
MIN_DUMP_BYTES="${MIN_DUMP_BYTES:-51200}" # 50 KiB floor; gzip'd schema-only dump
# is already > this, so a healthy dump
# never trips it. Real DB is far larger.
# (No equivalent floor for the globals
# dump — a handful of roles legitimately
# gzips to well under this.)
# Optional S3 env. Loaded from /etc/default/gendesign-backup if present.
[[ -f /etc/default/gendesign-backup ]] && source /etc/default/gendesign-backup
log() { echo "[$(date -u +'%Y-%m-%dT%H:%M:%SZ')] $*"; }
# Integrity check beyond "non-empty"/"big enough": a dump truncated mid-write
# (disk full, OOM-kill, docker exec dropped) can still gzip into a structurally
# valid, non-tiny .gz — neither `-s` nor MIN_DUMP_BYTES catch that reliably.
# Two checks, cheapest first:
# 1. gzip -t — catches a corrupted/truncated gzip stream itself.
# 2. trailer — pg_dump/pg_dumpall always write a fixed "I finished writing"
# comment as literally the last line of the stream; a dump cut off
# mid-write is missing it even when the gzip framing looks fine.
# Checked via `gunzip -c | tail -N` so we never materialize the full
# decompressed dump on disk just to look at its last few lines.
verify_dump_integrity() {
local file="$1" trailer="$2" label="$3"
if ! gzip -t "$file" 2>/dev/null; then
log "ERROR: ${label} failed gzip integrity check -> $file" >&2
return 1
fi
if ! gunzip -c "$file" 2>/dev/null | tail -5 | grep -qF "$trailer"; then
log "ERROR: ${label} missing trailer '${trailer}' -> $file (truncated dump?)" >&2
return 1
fi
return 0
}
# --- run ---
mkdir -p "$LOCAL_BACKUP_DIR"
# Underscore naming kept (gendesign_YYYYMMDD_HHMMSS.sql.gz) so this matches
# pre-existing prod dumps and restore.sh's example path. UTC for stable ordering.
ts=$(date -u +'%Y%m%d_%H%M%S')
out="${LOCAL_BACKUP_DIR}/gendesign_${ts}.sql.gz"
globals_out="${LOCAL_BACKUP_DIR}/gendesign_globals_${ts}.sql.gz"
cd "$COMPOSE_DIR"
@ -66,9 +101,11 @@ log "Dumping ${DB_NAME} as ${DB_USER} -> ${out}"
# --clean --if-exists -> dump is self-sufficient for restore from scratch.
# --no-owner -> restore does not require identical roles.
# `set -o pipefail` (from set -euo pipefail) makes a pg_dump failure fail the
# whole pipe, so a Postgres error can't yield a "successful" tiny gzip.
# whole pipe, so a Postgres error can't yield a "successful" tiny gzip. Stderr
# is NOT redirected to /dev/null (was until #2203) — a pg_dump error needs to
# land in the cron log, not get silently swallowed.
compose exec -T postgres \
pg_dump -U "$DB_USER" -d "$DB_NAME" --no-owner --clean --if-exists 2>/dev/null \
pg_dump -U "$DB_USER" -d "$DB_NAME" --no-owner --clean --if-exists \
| gzip -9 > "$out"
# --- sanity-check: refuse to keep (and thus never prune good dumps for) a
@ -87,18 +124,47 @@ if (( dump_bytes < MIN_DUMP_BYTES )); then
exit 1
fi
if ! verify_dump_integrity "$out" "-- PostgreSQL database dump complete" "main dump"; then
log "Removing suspect dump, NOT pruning older good dumps." >&2
rm -f "$out"
exit 1
fi
log "Dump OK: ${out} ($(du -h "$out" | cut -f1), ${dump_bytes} bytes)"
# --- optional S3 upload (only if all four vars present) ---
# --- globals (roles/GRANTs) — pg_dump never includes these; without them a
# restored dump has tables and data but no owning roles/privileges. ---
log "Dumping globals (roles/GRANTs) -> ${globals_out}"
compose exec -T postgres \
pg_dumpall -U "$DB_USER" --globals-only \
| gzip -9 > "$globals_out"
if [[ ! -s "$globals_out" ]]; then
log "ERROR: globals dump is empty -> $globals_out — removing." >&2
rm -f "$globals_out"
exit 1
fi
if ! verify_dump_integrity "$globals_out" "-- PostgreSQL database cluster dump complete" "globals dump"; then
rm -f "$globals_out"
exit 1
fi
log "Globals dump OK: ${globals_out} ($(du -h "$globals_out" | cut -f1))"
# --- optional S3 upload (only if all four vars present) — both the main dump
# and the globals dump go up, same bucket, same layout. ---
if [[ -n "${S3_ENDPOINT:-}" && -n "${S3_BUCKET:-}" && -n "${S3_ACCESS_KEY:-}" && -n "${S3_SECRET_KEY:-}" ]]; then
log "Uploading to s3://${S3_BUCKET}/$(basename "$out")"
docker run --rm \
-e AWS_ACCESS_KEY_ID="$S3_ACCESS_KEY" \
-e AWS_SECRET_ACCESS_KEY="$S3_SECRET_KEY" \
-v "$LOCAL_BACKUP_DIR":/backup:ro \
amazon/aws-cli:latest \
--endpoint-url "$S3_ENDPOINT" \
s3 cp "/backup/$(basename "$out")" "s3://${S3_BUCKET}/"
for f in "$out" "$globals_out"; do
log "Uploading to s3://${S3_BUCKET}/$(basename "$f")"
docker run --rm \
-e AWS_ACCESS_KEY_ID="$S3_ACCESS_KEY" \
-e AWS_SECRET_ACCESS_KEY="$S3_SECRET_KEY" \
-v "$LOCAL_BACKUP_DIR":/backup:ro \
amazon/aws-cli:latest \
--endpoint-url "$S3_ENDPOINT" \
s3 cp "/backup/$(basename "$f")" "s3://${S3_BUCKET}/"
done
log "S3 upload OK"
else
log "S3 vars not set — backup stays local only"
@ -106,17 +172,24 @@ fi
# --- retention: keep the KEEP most-recent local dumps, delete the rest.
# Runs only AFTER a verified-good dump above, so a failed run (which exits
# early) can never delete older good dumps. ---
# early) can never delete older good dumps. Main dumps and globals dumps
# are separate series (the `[0-9]` after the shared `gendesign_` prefix
# keeps the globals_* files, which share that prefix, out of this glob). ---
# SC2012: ls is fine here — filenames are fully controlled (gendesign_<ts>.sql.gz,
# no spaces/newlines) and we need ls's -t mtime sort for "keep newest N" (same
# pattern as the proven backup-tradein-db.sh).
# shellcheck disable=SC2012
ls -1t "$LOCAL_BACKUP_DIR"/gendesign_*.sql.gz 2>/dev/null \
ls -1t "$LOCAL_BACKUP_DIR"/gendesign_[0-9]*.sql.gz 2>/dev/null \
| tail -n +"$((KEEP + 1))" \
| xargs -r rm -f
# shellcheck disable=SC2012
ls -1t "$LOCAL_BACKUP_DIR"/gendesign_globals_*.sql.gz 2>/dev/null \
| tail -n +"$((KEEP + 1))" \
| xargs -r rm -f
# Count via a glob array (no ls parsing). nullglob -> empty array if no match.
# Count via glob arrays (no ls parsing). nullglob -> empty array if no match.
shopt -s nullglob
remaining=( "$LOCAL_BACKUP_DIR"/gendesign_*.sql.gz )
remaining=( "$LOCAL_BACKUP_DIR"/gendesign_[0-9]*.sql.gz )
remaining_globals=( "$LOCAL_BACKUP_DIR"/gendesign_globals_*.sql.gz )
shopt -u nullglob
log "Backup done. Local dumps retained: ${#remaining[@]} (KEEP=${KEEP})."
log "Backup done. Local dumps retained: ${#remaining[@]} data + ${#remaining_globals[@]} globals (KEEP=${KEEP})."

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@ -8,6 +8,19 @@
# backup.sh sources this file if present. With NO S3 vars set, dumps stay
# local-only under /opt/gendesign/backups (retention KEEP=7). Fill these in to
# also push each dump off-box to S3 (recommended — local-only dies with the VM).
# backup.sh now also dumps cluster globals (roles/GRANTs, via `pg_dumpall
# --globals-only`) alongside the main dump — same S3 vars, same bucket, no
# separate config needed (#2203).
#
# tradein-mvp/deploy/backup-tradein-db.sh (separate DB, separate cron job)
# prefers its OWN env file at /etc/default/tradein-backup, but falls back to
# THIS file if that one doesn't exist — so filling in the S3 vars here also
# enables off-box upload for the tradein DB backup, unless you want the two
# DBs going to different buckets/creds (then create /etc/default/tradein-backup
# with its own S3_* vars instead).
#
# To rehearse a restore from a dump this script produced (safe, throwaway
# container, never touches prod) see ops/restore-drill.sh.
# --- S3 off-site upload (Selectel S3-compatible). All four required to enable. ---
#S3_ENDPOINT=https://s3.ru-1.storage.selcloud.ru
@ -16,6 +29,12 @@
#S3_SECRET_KEY=REPLACE_WITH_REAL_SECRET_KEY
# --- optional overrides (defaults are sensible; uncomment only to change) ---
#KEEP=7 # how many recent local dumps to retain
#MIN_DUMP_BYTES=51200 # sanity floor; a dump smaller than this is treated as failed
#KEEP=7 # how many recent local dumps to retain (applies to both
# the main dump series and the globals dump series)
#MIN_DUMP_BYTES=51200 # sanity floor for the MAIN dump; a dump smaller than
# this is treated as failed. No equivalent floor for the
# globals dump — a handful of roles legitimately gzips to
# well under this. tradein-backup.sh has its own,
# separate MIN_DUMP_BYTES (default 10240) — set in
# /etc/default/tradein-backup, not here.
#LOCAL_BACKUP_DIR=/opt/gendesign/backups

173
ops/restore-drill.sh Executable file
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@ -0,0 +1,173 @@
#!/usr/bin/env bash
# Restore DRILL for a dump produced by backup.sh / backup-tradein-db.sh (#2203).
#
# THIS SCRIPT NEVER TOUCHES THE PRODUCTION DATABASE. It spins up a throwaway,
# unnamed-volume postgis/postgis container, loads the dump (and its globals
# sibling, if found) into it, prints a few sanity numbers, and always tears
# the container down again — win or lose.
#
# ops/restore.sh IS DIFFERENT AND IS DESTRUCTIVE: it restores INTO THE LIVE
# PRODUCTION DATABASE (--clean --if-exists DROPs existing tables first). Do
# NOT use ops/restore.sh for a drill/rehearsal — use THIS script instead.
#
# Usage:
# ops/restore-drill.sh /path/to/gendesign_20260820_030000.sql.gz
# ops/restore-drill.sh /path/to/tradein-20260820-043000.sql.gz [globals.sql.gz]
#
# Globals autodetection: if the 2nd arg is omitted, this script looks next to
# the dump for a sibling file matching the naming convention the backup
# scripts use (gendesign_globals_<ts>.sql.gz / tradein-globals-<ts>.sql.gz).
# Missing globals is not fatal — the dump itself is still restored and checked.
#
# Which tables get row-counted is guessed from the dump's filename prefix
# (gendesign_* vs tradein-*) and can be overridden with RESTORE_DRILL_TABLES
# (comma-separated table names, no schema qualifier — public is assumed).
set -euo pipefail
IMAGE="${RESTORE_DRILL_IMAGE:-postgis/postgis:16-3.4}"
READY_TIMEOUT="${RESTORE_DRILL_READY_TIMEOUT:-60}" # seconds to wait for postgres startup
DRILL_DB="drill"
DUMP_FILE="${1:-}"
if [[ -z "$DUMP_FILE" || ! -f "$DUMP_FILE" ]]; then
echo "Usage: $0 /path/to/dump.sql.gz [globals.sql.gz]" >&2
exit 2
fi
DUMP_FILE=$(cd "$(dirname "$DUMP_FILE")" && pwd)/$(basename "$DUMP_FILE")
GLOBALS_FILE="${2:-}"
if [[ -n "$GLOBALS_FILE" && ! -f "$GLOBALS_FILE" ]]; then
echo "Globals file not found: $GLOBALS_FILE" >&2
exit 2
fi
log() { echo "[$(date -u +'%Y-%m-%dT%H:%M:%SZ')] $*"; }
# --- autodetect the globals sibling, matching the two naming conventions our
# backup scripts use:
# gendesign_<ts>.sql.gz -> gendesign_globals_<ts>.sql.gz (ops/backup.sh)
# tradein-<ts>.sql.gz -> tradein-globals-<ts>.sql.gz (backup-tradein-db.sh)
dump_dir=$(dirname "$DUMP_FILE")
dump_base=$(basename "$DUMP_FILE")
project="gendesign"
if [[ -z "$GLOBALS_FILE" ]]; then
candidate=""
if [[ "$dump_base" =~ ^([A-Za-z0-9]+)_([0-9]{8}_[0-9]{6})\.sql\.gz$ ]]; then
candidate="${dump_dir}/${BASH_REMATCH[1]}_globals_${BASH_REMATCH[2]}.sql.gz"
elif [[ "$dump_base" =~ ^([A-Za-z0-9]+)-([0-9]{8}-[0-9]{6})\.sql\.gz$ ]]; then
candidate="${dump_dir}/${BASH_REMATCH[1]}-globals-${BASH_REMATCH[2]}.sql.gz"
fi
if [[ -n "$candidate" && -f "$candidate" ]]; then
GLOBALS_FILE="$candidate"
fi
fi
if [[ "$dump_base" == tradein-* ]]; then
project="tradein"
fi
if [[ -n "$GLOBALS_FILE" ]]; then
log "Dump: $DUMP_FILE"
log "Globals: $GLOBALS_FILE"
else
log "Dump: $DUMP_FILE"
log "Globals: none found next to the dump — restoring data only, no roles/GRANTs."
fi
# --- default row-count table list, per project; override with
# RESTORE_DRILL_TABLES=t1,t2,... ---
if [[ -n "${RESTORE_DRILL_TABLES:-}" ]]; then
tables_csv="$RESTORE_DRILL_TABLES"
elif [[ "$project" == "tradein" ]]; then
tables_csv="listings,listing_sources,deals,houses,trade_in_estimates"
else
# Representative core tables across the gendesign schema: the big
# partitioned deals dataset, cadastral/opportunity overlays, the DomRF
# snapshot chain, and two smaller user-facing tables.
tables_csv="rosreestr_deals,cad_opportunity_parcels,domrf_snapshots,trade_in_estimates,parcel_user_status"
fi
IFS=',' read -r -a TABLES <<< "$tables_csv"
# --- throwaway container: random name, docker-assigned host port, no prod
# volumes mounted (anonymous storage inside the container layer only —
# gone the instant the container is removed). trust auth is fine here:
# single-use, bound to 127.0.0.1, destroyed on exit. ---
CONTAINER="restore-drill-$$-$(date -u +%s)"
cleanup() {
log "Cleaning up container ${CONTAINER}"
docker rm -f "$CONTAINER" >/dev/null 2>&1 || true
}
trap cleanup EXIT
log "Starting throwaway ${IMAGE} as ${CONTAINER}"
docker run -d --name "$CONTAINER" \
-e POSTGRES_HOST_AUTH_METHOD=trust \
-p 127.0.0.1::5432 \
"$IMAGE" >/dev/null
host_port=$(docker port "$CONTAINER" 5432/tcp | head -1 | cut -d: -f2)
log "Container up, mapped to 127.0.0.1:${host_port} (only reachable while this drill runs)"
log "Waiting for postgres to accept connections (timeout ${READY_TIMEOUT}s)..."
ready=0
for _ in $(seq 1 "$READY_TIMEOUT"); do
if docker exec "$CONTAINER" pg_isready -U postgres >/dev/null 2>&1; then
ready=1
break
fi
sleep 1
done
if [[ "$ready" -ne 1 ]]; then
log "ERROR: postgres did not become ready within ${READY_TIMEOUT}s" >&2
exit 1
fi
psql_c() {
# $1 = target db, $2 = SQL
docker exec -i "$CONTAINER" psql -v ON_ERROR_STOP=1 -U postgres -d "$1" -c "$2"
}
log "Creating drill database '${DRILL_DB}'"
psql_c postgres "CREATE DATABASE ${DRILL_DB};" >/dev/null
# --- globals: best-effort. A pg_dumpall --globals-only dump against a fresh
# container almost always trips over the container's own bootstrap
# 'postgres' role (already exists), which is expected and harmless — so
# this load is NOT ON_ERROR_STOP. The dump restore below is the real
# integrity check and DOES use ON_ERROR_STOP=1. ---
if [[ -n "$GLOBALS_FILE" ]]; then
log "Loading globals (best-effort — role-already-exists warnings are expected)"
gunzip -c "$GLOBALS_FILE" | docker exec -i "$CONTAINER" psql -U postgres -d postgres \
|| log "NOTE: globals load reported errors above — usually just pre-existing default roles, non-fatal for the drill."
fi
log "Restoring dump into '${DRILL_DB}' (ON_ERROR_STOP=1 — any real error aborts the drill)"
gunzip -c "$DUMP_FILE" | docker exec -i "$CONTAINER" psql -v ON_ERROR_STOP=1 -U postgres -d "$DRILL_DB"
log "Restore finished. Running sanity checks."
postgis_version=$(docker exec -i "$CONTAINER" psql -U postgres -d "$DRILL_DB" -Atqc "SELECT postgis_full_version();" 2>/dev/null || echo "N/A (postgis not installed in this dump)")
echo "postgis_full_version(): ${postgis_version}"
table_count=$(docker exec -i "$CONTAINER" psql -U postgres -d "$DRILL_DB" -Atqc \
"SELECT count(*) FROM information_schema.tables WHERE table_schema = 'public';")
echo "Tables in public schema: ${table_count}"
echo
echo "table | rows"
echo "----- | ----"
for t in "${TABLES[@]}"; do
exists=$(docker exec -i "$CONTAINER" psql -U postgres -d "$DRILL_DB" -Atqc \
"SELECT to_regclass('public.${t}') IS NOT NULL;")
if [[ "$exists" == "t" ]]; then
rows=$(docker exec -i "$CONTAINER" psql -U postgres -d "$DRILL_DB" -Atqc \
"SELECT count(*) FROM \"${t}\";")
echo "${t} | ${rows}"
else
echo "${t} | n/a (table not found in this dump)"
fi
done
log "Drill complete. Container will now be removed."

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@ -1,5 +1,6 @@
#!/usr/bin/env bash
# Бэкап БД tradein-postgres — pg_dump по cron + retention (#397).
# Hardening для #2203: globals, integrity-check, S3-выгрузка.
#
# Запускается из cron на прод-хосте. pg_dump идёт через `docker exec`
# (локальный сокет внутри контейнера — пароль не нужен).
@ -10,33 +11,141 @@
# Restore:
# gunzip -c tradein-YYYYMMDD-HHMMSS.sql.gz | \
# docker exec -i tradein-postgres psql -U tradein -d tradein
# Restore-дрель (безопасно, не трогает прод): ops/restore-drill.sh.
#
# Опциональная выгрузка в S3 — переменные в /etc/default/tradein-backup
# (root-owned, chmod 600, НЕ в git); если файла нет — фолбэк на
# /etc/default/gendesign-backup (общие креды с основным бэкапом). Без
# переменных поведение прежнее: дамп остаётся только локально.
# S3_ENDPOINT=https://s3.ru-1.storage.selcloud.ru
# S3_BUCKET=gendesign-backups
# S3_ACCESS_KEY=...
# S3_SECRET_KEY=...
set -euo pipefail
BACKUP_DIR="${BACKUP_DIR:-/opt/gendesign/backups/tradein}"
KEEP="${KEEP:-7}" # сколько копий хранить
PG_CONTAINER="${PG_CONTAINER:-tradein-postgres}"
MIN_DUMP_BYTES="${MIN_DUMP_BYTES:-10240}" # 10 KiB floor — пустая/битая
# схема заведомо меньше, живая
# БД — на порядки больше.
# S3-переменные: свой env-файл, а если его нет — общий с main-бэкапом.
if [[ -f /etc/default/tradein-backup ]]; then
source /etc/default/tradein-backup
elif [[ -f /etc/default/gendesign-backup ]]; then
source /etc/default/gendesign-backup
fi
log() { echo "[$(date -u +'%Y-%m-%dT%H:%M:%SZ')] $*"; }
# Проверка целостности сверх «не пустой»: битый посреди записи дамп (диск
# кончился, OOM-kill, оборвался docker exec) может дать структурно валидный,
# не крошечный .gz — ни `-s`, ни MIN_DUMP_BYTES это не ловят. Две проверки,
# сначала дешёвая:
# 1. gzip -t — ловит битый/оборванный gzip-поток как таковой.
# 2. trailer — pg_dump/pg_dumpall всегда пишут фиксированный комментарий
# «я дописал до конца» последней строкой потока; при обрыве записи
# трейлера не будет, даже если gzip-обёртка выглядит нормально.
# Проверяется через `gunzip -c | tail -N`, чтобы не распаковывать весь дамп
# на диск ради последних строк.
verify_dump_integrity() {
local file="$1" trailer="$2" label="$3"
if ! gzip -t "$file" 2>/dev/null; then
log "ОШИБКА: ${label} не прошёл проверку gzip -> $file" >&2
return 1
fi
if ! gunzip -c "$file" 2>/dev/null | tail -5 | grep -qF "$trailer"; then
log "ОШИБКА: ${label} без трейлера '${trailer}' -> $file (дамп оборван?)" >&2
return 1
fi
return 0
}
mkdir -p "$BACKUP_DIR"
ts=$(date -u +'%Y%m%d-%H%M%S')
out="$BACKUP_DIR/tradein-$ts.sql.gz"
globals_out="$BACKUP_DIR/tradein-globals-$ts.sql.gz"
# --clean --if-exists → дамп самодостаточен для восстановления «с нуля».
# --no-owner → restore не требует тех же ролей.
# Stderr больше не глотается (было `2>/dev/null` до #2203) — ошибка pg_dump
# должна попасть в лог, а не исчезнуть молча. `set -o pipefail` уже роняет
# весь пайп при ошибке pg_dump, так что поведение при сбое не меняется —
# меняется только видимость причины.
docker exec "$PG_CONTAINER" pg_dump -U tradein -d tradein \
--no-owner --clean --if-exists 2>/dev/null | gzip -6 > "$out"
--no-owner --clean --if-exists | gzip -6 > "$out"
if [[ ! -s "$out" ]]; then
echo "[$(date -u +%H:%M:%S)] ОШИБКА: дамп пустой — $out" >&2
log "ОШИБКА: дамп пустой — $out" >&2
rm -f "$out"
exit 1
fi
# Retention — оставляем KEEP самых свежих, остальные tradein-*.sql.gz удаляем.
ls -1t "$BACKUP_DIR"/tradein-*.sql.gz 2>/dev/null \
dump_bytes=$(wc -c < "$out" | tr -d ' ')
if (( dump_bytes < MIN_DUMP_BYTES )); then
log "ОШИБКА: дамп всего ${dump_bytes} байт (< ${MIN_DUMP_BYTES} floor) — похоже на неудачный дамп." >&2
log "Удаляю подозрительный дамп, старые хорошие копии не трогаю." >&2
rm -f "$out"
exit 1
fi
if ! verify_dump_integrity "$out" "-- PostgreSQL database dump complete" "основной дамп"; then
log "Удаляю подозрительный дамп, старые хорошие копии не трогаю." >&2
rm -f "$out"
exit 1
fi
log "Дамп ok: $out ($(du -h "$out" | cut -f1), ${dump_bytes} байт)"
# --- globals (роли/GRANT) — pg_dump их не включает по определению; без
# этого восстановленная база остаётся без владеющих ролей/привилегий. ---
log "Дамплю globals (роли/GRANT) -> $globals_out"
docker exec "$PG_CONTAINER" pg_dumpall -U tradein --globals-only \
| gzip -6 > "$globals_out"
if [[ ! -s "$globals_out" ]]; then
log "ОШИБКА: дамп globals пустой — $globals_out" >&2
rm -f "$globals_out"
exit 1
fi
if ! verify_dump_integrity "$globals_out" "-- PostgreSQL database cluster dump complete" "globals-дамп"; then
rm -f "$globals_out"
exit 1
fi
log "Globals ok: $globals_out ($(du -h "$globals_out" | cut -f1))"
# --- опциональная выгрузка в S3 (только если заданы все четыре переменные) ---
if [[ -n "${S3_ENDPOINT:-}" && -n "${S3_BUCKET:-}" && -n "${S3_ACCESS_KEY:-}" && -n "${S3_SECRET_KEY:-}" ]]; then
for f in "$out" "$globals_out"; do
log "Заливаю в s3://${S3_BUCKET}/$(basename "$f")"
docker run --rm \
-e AWS_ACCESS_KEY_ID="$S3_ACCESS_KEY" \
-e AWS_SECRET_ACCESS_KEY="$S3_SECRET_KEY" \
-v "$BACKUP_DIR":/backup:ro \
amazon/aws-cli:latest \
--endpoint-url "$S3_ENDPOINT" \
s3 cp "/backup/$(basename "$f")" "s3://${S3_BUCKET}/"
done
log "Выгрузка в S3 ok"
else
log "S3-переменные не заданы — дамп остаётся только локально"
fi
# Retention — оставляем KEEP самых свежих, остальные удаляем. Основные дампы
# и globals-дампы — раздельные серии (иначе они смешаются в общей mtime-
# сортировке и retention посчитает их вместе).
ls -1t "$BACKUP_DIR"/tradein-[0-9]*.sql.gz 2>/dev/null \
| tail -n +"$((KEEP + 1))" \
| xargs -r rm -f
ls -1t "$BACKUP_DIR"/tradein-globals-*.sql.gz 2>/dev/null \
| tail -n +"$((KEEP + 1))" \
| xargs -r rm -f
size=$(du -h "$out" | cut -f1)
count=$(ls -1 "$BACKUP_DIR"/tradein-*.sql.gz 2>/dev/null | wc -l | tr -d ' ')
echo "[$(date -u +'%Y-%m-%dT%H:%M:%SZ')] backup ok: $out ($size), копий хранится: $count"
count=$(ls -1 "$BACKUP_DIR"/tradein-[0-9]*.sql.gz 2>/dev/null | wc -l | tr -d ' ')
globals_count=$(ls -1 "$BACKUP_DIR"/tradein-globals-*.sql.gz 2>/dev/null | wc -l | tr -d ' ')
echo "[$(date -u +'%Y-%m-%dT%H:%M:%SZ')] backup ok: $out ($size), копий хранится: $count данных + $globals_count globals"