151 lines
4.8 KiB
Bash
151 lines
4.8 KiB
Bash
#!/usr/bin/env bash
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# scripts/ops/pg-backup.sh
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# Sprint 5.2: PostgreSQL 自動備份腳本
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# 部署: cron 0 */6 * * * on 188 (ollama user)
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# 備份目標: awoooi_prod + momo_analytics
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# 保留策略: 7 天
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# 2026-04-09 Claude Sonnet 4.6 Asia/Taipei
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set -euo pipefail
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BACKUP_DIR="${BACKUP_DIR:-/home/ollama/backups}"
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SECRETS_FILE="${SECRETS_FILE:-/home/ollama/awoooi-ops-secrets/secrets.env}"
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RETAIN_DAYS="${RETAIN_DAYS:-7}"
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AWOOOI_API_URL="${AWOOOI_API_URL:-https://awoooi.wooo.work}"
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# 載入 secrets（含 Telegram token for fallback）
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[[ -f "$SECRETS_FILE" ]] && source "$SECRETS_FILE"
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TIMESTAMP=$(date '+%Y%m%d_%H%M%S')
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LOG_PREFIX="[$(date '+%Y-%m-%d %H:%M:%S %z')]"
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log() { echo "${LOG_PREFIX} $*"; }
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notify_awoooi_ops() {
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local status="$1"
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local msg="$2"
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local helper="${SCRIPT_DIR}/notify-awoooi-ops.sh"
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[[ -x "$helper" ]] || return 1
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AWOOI_OPS_ALERTNAME="Backup.PG" \
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AWOOI_OPS_JOB_NAME="AWOOOI DB 備份" \
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AWOOI_OPS_STATUS="$status" \
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AWOOI_OPS_SEVERITY="info" \
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AWOOI_OPS_SOURCE="pg-backup" \
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AWOOI_OPS_COMPONENT="postgres-backup" \
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AWOOI_OPS_SUMMARY="AWOOOI DB 備份 ${status}" \
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AWOOI_OPS_DETAIL="$msg" \
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"$helper" >/dev/null
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}
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notify_telegram() {
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local msg="$1"
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local status="${2:-success}"
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# 正式路徑：先交給 AWOOI API，由 TelegramGateway 送出並鏡像到 AwoooP。
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# 只有 API 不可達或 helper 未部署時，才使用 Telegram 直發救命旁路。
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notify_awoooi_ops "$status" "$msg" && return 0
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local chat_id="${SRE_GROUP_CHAT_ID:--1003711974679}"
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if [[ -n "${TELEGRAM_BOT_TOKEN:-}" && -n "$chat_id" ]]; then
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curl -s -X POST "https://api.telegram.org/bot${TELEGRAM_BOT_TOKEN}/sendMessage" \
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-d "chat_id=${chat_id}" \
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-d "parse_mode=HTML" \
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--data-urlencode "text=${msg}" \
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> /dev/null 2>&1 || true
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fi
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}
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backup_db() {
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local label="$1" # awoooi_prod | momo_analytics
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local host="$2" # 127.0.0.1
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local user="$3"
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local password="$4"
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local dbname="$5"
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local outfile="${BACKUP_DIR}/${label}_${TIMESTAMP}.sql.gz"
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log "開始備份 ${label} → ${outfile}"
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if PGPASSWORD="$password" pg_dump \
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-h "$host" -U "$user" -d "$dbname" \
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--no-owner --no-acl \
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2>/dev/null | gzip > "$outfile"; then
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local size
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size=$(du -sh "$outfile" | cut -f1)
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log "✅ ${label} 備份完成 (${size})"
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echo "success:${label}:${size}"
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else
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log "❌ ${label} 備份失敗"
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echo "failed:${label}"
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fi
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}
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cleanup_old_backups() {
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local label="$1"
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local count
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count=$(find "$BACKUP_DIR" -name "${label}_*.sql.gz" -mtime "+${RETAIN_DAYS}" | wc -l)
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if (( count > 0 )); then
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find "$BACKUP_DIR" -name "${label}_*.sql.gz" -mtime "+${RETAIN_DAYS}" -delete
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log "🗑️ 清理 ${label} 舊備份 ${count} 個 (>${RETAIN_DAYS}天)"
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fi
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}
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main() {
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mkdir -p "$BACKUP_DIR"
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log "=== pg-backup 開始 (retain=${RETAIN_DAYS}d) ==="
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local results=()
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# awoooi_prod (host PostgreSQL, TCP)
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results+=("$(backup_db "awoooi_prod" "127.0.0.1" "awoooi" "awoooi_prod_2026" "awoooi_prod")")
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# momo_analytics (momo-db 容器，無對外 port，用 docker exec 直接 dump)
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local outfile_momo="${BACKUP_DIR}/momo_analytics_${TIMESTAMP}.sql.gz"
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log "開始備份 momo_analytics (docker exec) → ${outfile_momo}"
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if docker exec momo-db pg_dump -U momo momo_analytics 2>/dev/null | gzip > "$outfile_momo"; then
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local size_momo
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size_momo=$(du -sh "$outfile_momo" | cut -f1)
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log "✅ momo_analytics 備份完成 (${size_momo})"
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results+=("success:momo_analytics:${size_momo}")
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else
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log "❌ momo_analytics 備份失敗"
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rm -f "$outfile_momo"
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results+=("failed:momo_analytics")
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fi
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# 清理舊備份
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cleanup_old_backups "awoooi_prod"
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cleanup_old_backups "momo_analytics"
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log "=== pg-backup 完成 ==="
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# 組裝 Telegram 通知
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local success_count=0 fail_count=0 details=""
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for r in "${results[@]}"; do
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IFS=':' read -r status label size_or_empty <<< "$r"
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case "$status" in
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success) ((success_count++)) || true; details+="✅ ${label} (${size_or_empty})\n" ;;
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failed) ((fail_count++)) || true; details+="❌ ${label} 失敗\n" ;;
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skipped) details+="⏭️ ${label} 跳過\n" ;;
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esac
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done
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local icon="✅"
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[[ $fail_count -gt 0 ]] && icon="⚠️"
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local notify_status="success"
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[[ $fail_count -gt 0 ]] && notify_status="failed"
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notify_telegram "${icon} <b>AWOOOI DB 備份</b>
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├ 時間: $(date '+%Y-%m-%d %H:%M') +0800
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├ 成功: ${success_count} | 失敗: ${fail_count}
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└ ${details}" "$notify_status"
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[[ $fail_count -gt 0 ]] && exit 1
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return 0
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}
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main "$@"
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