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Productier/scripts/ops/backup-prod.sh
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Tomas Dvorak 3cb40adb23 first commit
2026-04-10 12:04:09 +02:00

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#!/usr/bin/env bash
set -euo pipefail
ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
ENV_FILE="${1:-$ROOT_DIR/.env.production}"
BACKUP_ROOT="${2:-$ROOT_DIR/backups}"
COMPOSE_FILE="$ROOT_DIR/infra/docker-compose.prod.yml"
if [[ "${1:-}" == "--help" || "${1:-}" == "-h" ]]; then
cat <<'USAGE'
Usage:
scripts/ops/backup-prod.sh [env-file] [backup-root]
Examples:
scripts/ops/backup-prod.sh
scripts/ops/backup-prod.sh .env.production /var/backups/productier
Behavior:
- Validates production env configuration.
- Creates a timestamped backup directory.
- Dumps PostgreSQL to postgres.sql.gz.
- Syncs S3-compatible object data to s3/ via rustfs-init container.
- Writes SHA256 checksums and metadata.json.
USAGE
exit 0
fi
if [[ ! -f "$ENV_FILE" ]]; then
echo "[error] env file not found: $ENV_FILE" >&2
exit 1
fi
if ! command -v docker >/dev/null 2>&1; then
echo "[error] docker CLI is required" >&2
exit 1
fi
node "$ROOT_DIR/scripts/check-production-env.mjs" "$ENV_FILE"
timestamp="$(date -u +%Y%m%dT%H%M%SZ)"
backup_dir="$BACKUP_ROOT/$timestamp"
tmp_backup_dir="$BACKUP_ROOT/.tmp-$timestamp-$$"
mkdir -p "$tmp_backup_dir/s3"
echo "[info] writing backup to $backup_dir"
echo "[step] backing up postgres..."
docker compose --env-file "$ENV_FILE" -f "$COMPOSE_FILE" exec -T postgres \
pg_dump -U productier -d productier --format=plain --no-owner --no-privileges \
| gzip -9 > "$tmp_backup_dir/postgres.sql.gz"
echo "[step] backing up object storage..."
docker compose --env-file "$ENV_FILE" -f "$COMPOSE_FILE" run --rm --no-deps \
-v "$tmp_backup_dir/s3:/backup" \
--entrypoint /bin/sh \
rustfs-init \
-lc 'set -euo pipefail; endpoint="http://rustfs:9000"; aws --endpoint-url "$endpoint" s3 sync "s3://${S3_BUCKET:-productier}" /backup --no-progress'
echo "[step] writing checksums..."
(
cd "$tmp_backup_dir"
sha256sum postgres.sql.gz > checksums.sha256
if find s3 -type f -print -quit | grep -q .; then
find s3 -type f -print0 | sort -z | xargs -0 sha256sum >> checksums.sha256
fi
)
cat > "$tmp_backup_dir/metadata.json" <<EOF
{
"createdAt": "$timestamp",
"envFile": "$(basename "$ENV_FILE")",
"postgresDump": "postgres.sql.gz",
"objectStorageDir": "s3",
"composeFile": "infra/docker-compose.prod.yml"
}
EOF
mv "$tmp_backup_dir" "$backup_dir"
echo "[ok] backup complete: $backup_dir"