138 lines
4.1 KiB
Bash
138 lines
4.1 KiB
Bash
#!/bin/bash
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# =============================================================================
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# 追光AI 容器卷备份脚本 (在宿主机上跑)
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# - 把 4 个 docker 卷打包到 /home/ubuntu/zhuiguang-ai-backup/dockers/
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# - 默认保留最近 7 天快照
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# - 增强：磁盘空间预检 + 完整性校验 + 汇总报告
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# - 用法: bash scripts/backup-volumes.sh
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# =============================================================================
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set -e
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PROJECT="/home/ubuntu/zhuiguang-ai"
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BACKUP_ROOT="/home/ubuntu/zhuiguang-ai-backup/dockers"
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STAMP=$(date +%Y%m%d-%H%M%S)
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BACKUP_DIR="${BACKUP_ROOT}/${STAMP}"
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KEEP_DAYS=7
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REQUIRED_FREE_MB=${REQUIRED_FREE_MB:-500} # 最少需要磁盘空闲空间 (MB)
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PASS=0
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FAIL=0
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WARN=0
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pass() { echo " ✅ $1"; PASS=$((PASS + 1)); }
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fail() { echo " ❌ $1"; FAIL=$((FAIL + 1)); }
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warn() { echo " ⚠️ $1"; WARN=$((WARN + 1)); }
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echo "========================================"
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echo " 追光AI 卷备份 ($(date '+%Y-%m-%d %H:%M:%S'))"
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echo "========================================"
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echo ""
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# ---- 1) 磁盘空间预检 ----
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echo "--- 1) 磁盘空间检查 ---"
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BACKUP_DISK=$(df -m "$BACKUP_ROOT" 2>/dev/null | tail -1 | awk '{print $4}')
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if [ -z "$BACKUP_DISK" ]; then
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BACKUP_DISK=$(df -m /home 2>/dev/null | tail -1 | awk '{print $4}')
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fi
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if [ -z "$BACKUP_DISK" ] || [ "$BACKUP_DISK" -lt "$REQUIRED_FREE_MB" ]; then
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fail "磁盘空间不足: 可用 ${BACKUP_DISK:-?}MB, 需要 ≥ ${REQUIRED_FREE_MB}MB"
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exit 1
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fi
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pass "磁盘可用空间: ${BACKUP_DISK}MB"
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mkdir -p "$BACKUP_DIR"
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echo ""
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echo "--- 2) 卷备份 ---"
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declare -A VOL_SIZES
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TOTAL_BYTES=0
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# 备份 4 个卷
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for vol in zhuiguang_ai_bot_data zhuiguang_ai_bot_public zhuiguang_ai_bot_logs zhuiguang_ai_bot_prisma; do
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if ! docker volume inspect "$vol" >/dev/null 2>&1; then
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warn "卷 $vol 不存在，跳过"
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continue
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fi
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echo " [备份] $vol → ${vol}.tgz"
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TAR_OUTPUT=$(docker run --rm \
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-v "${vol}:/src:ro" \
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-v "${BACKUP_DIR}:/dst" \
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alpine:3.19 \
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tar czf "/dst/${vol}.tgz" -C /src . 2>&1) || true
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if [ -f "${BACKUP_DIR}/${vol}.tgz" ]; then
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SIZE=$(ls -lh "${BACKUP_DIR}/${vol}.tgz" | awk '{print $5}')
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pass "${vol}.tgz (${SIZE})"
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VOL_SIZES[$vol]=$SIZE
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TOTAL_BYTES=$((TOTAL_BYTES + $(stat -c%s "${BACKUP_DIR}/${vol}.tgz" 2>/dev/null || echo 0)))
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else
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fail "${vol}.tgz 创建失败"
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fi
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done
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# ---- 3) 完整性校验 ----
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echo ""
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echo "--- 3) 完整性校验 ---"
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for vol in "${!VOL_SIZES[@]}"; do
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TGZ_PATH="${BACKUP_DIR}/${vol}.tgz"
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if tar tzf "$TGZ_PATH" >/dev/null 2>&1; then
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FILE_COUNT=$(tar tzf "$TGZ_PATH" | wc -l)
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pass "${vol}.tgz 校验通过 (${FILE_COUNT} 个文件)"
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else
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fail "${vol}.tgz 校验失败"
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fi
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done
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# ---- 4) .env 备份 ----
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echo ""
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echo "--- 4) 环境变量备份 ---"
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if [ -f "$PROJECT/env/.env.production" ]; then
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cp "$PROJECT/env/.env.production" "${BACKUP_DIR}/.env.production"
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chmod 600 "${BACKUP_DIR}/.env.production"
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pass ".env.production 已备份"
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else
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warn ".env.production 不存在: $PROJECT/env/.env.production"
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fi
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# ---- 5) 备份清单 ----
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echo ""
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echo "--- 5) 备份清单 ---"
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{
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echo "# 追光AI 卷备份清单"
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echo "# 时间: $(date '+%Y-%m-%d %H:%M:%S')"
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echo "# 标识: $STAMP"
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echo ""
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ls -lh "$BACKUP_DIR" | tail -n +2
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} > "$BACKUP_DIR/INDEX.txt"
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ls -lh "$BACKUP_DIR" | tail -n +2 | sed 's/^/ /'
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# ---- 6) 清理旧备份 ----
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echo ""
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echo "--- 6) 清理 ${KEEP_DAYS} 天前的旧备份 ---"
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OLD_COUNT=$(find "$BACKUP_ROOT" -maxdepth 1 -type d -mtime +$KEEP_DAYS 2>/dev/null | wc -l)
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if [ "$OLD_COUNT" -gt 0 ]; then
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find "$BACKUP_ROOT" -maxdepth 1 -type d -mtime +$KEEP_DAYS -exec rm -rf {} + 2>/dev/null || true
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pass "清理了 ${OLD_COUNT} 个过期备份"
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else
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pass "无需清理"
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fi
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# ---- 汇总 ----
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echo ""
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echo "========================================"
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echo " 备份完成"
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echo " 结果: ${PASS} 通过 / ${WARN} 警告 / ${FAIL} 失败"
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if [ "$FAIL" -eq 0 ]; then
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echo " 🟢 状态: 正常"
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else
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echo " 🔴 状态: 有 ${FAIL} 项失败，请检查"
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fi
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echo " 路径: $BACKUP_DIR"
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echo " 总大小: $(numfmt --to=iec ${TOTAL_BYTES} 2>/dev/null || echo "${TOTAL_BYTES} 字节")"
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echo "========================================"
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exit $FAIL
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