0e26119bcf
支持 2G+ 大批量安全压缩（65% 质量、最大宽 800px），含全量快照、校验与恢复能力。 Co-authored-by: Cursor <cursoragent@cursor.com>
124 行
3.7 KiB
Bash
124 行
3.7 KiB
Bash
#!/usr/bin/env bash
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# 批量压缩 public/uploads 图片（2G+ 安全模式）
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#
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# 用法:
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# bash deploy/compress-uploads.sh --dry-run # 预览
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# bash deploy/compress-uploads.sh --safe # 推荐：rsync 快照 + 压缩
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# bash deploy/compress-uploads.sh --safe --log=deploy/logs/compress.log
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set -euo pipefail
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DEPLOY_PATH="${DEPLOY_PATH:-$(cd "$(dirname "$0")/.." && pwd)}"
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PHP_BIN="${PHP_BIN:-$(command -v php || true)}"
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SCRIPT="${DEPLOY_PATH}/deploy/compress-uploads.php"
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UPLOADS="${DEPLOY_PATH}/public/uploads"
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SNAPSHOTS="${UPLOADS}/.compress_backup/snapshots"
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LOG_DIR="${DEPLOY_PATH}/deploy/logs"
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if [[ -z "$PHP_BIN" || ! -x "$PHP_BIN" ]]; then
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echo "ERROR: 找不到可执行的 PHP，请设置 PHP_BIN"
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exit 1
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fi
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if [[ ! -f "$SCRIPT" ]]; then
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echo "ERROR: 脚本不存在: $SCRIPT"
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exit 1
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fi
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if [[ ! -d "$UPLOADS" ]]; then
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echo "ERROR: uploads 目录不存在: $UPLOADS"
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exit 1
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fi
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# 解析 --safe 模式
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SAFE_MODE=0
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PASSTHRU=()
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for arg in "$@"; do
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if [[ "$arg" == "--safe" ]]; then
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SAFE_MODE=1
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else
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PASSTHRU+=("$arg")
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fi
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done
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echo "项目: ${DEPLOY_PATH}"
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echo "PHP: ${PHP_BIN}"
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echo ""
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if [[ "$SAFE_MODE" -eq 1 ]]; then
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SNAPSHOT_ID="$(date +%Y%m%d_%H%M%S)"
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SNAPSHOT_DIR="${SNAPSHOTS}/${SNAPSHOT_ID}"
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# 磁盘空间检查
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UPLOADS_SIZE=$(du -sb "$UPLOADS" 2>/dev/null | awk '{print $1}' || echo 0)
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FREE_SPACE=$(df -B1 "$UPLOADS" 2>/dev/null | awk 'NR==2{print $4}' || echo 0)
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NEED=$(( UPLOADS_SIZE + UPLOADS_SIZE / 10 ))
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echo "========== 安全模式 =========="
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echo "uploads 大小: $(numfmt --to=iec "$UPLOADS_SIZE" 2>/dev/null || echo "${UPLOADS_SIZE}B")"
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echo "磁盘可用: $(numfmt --to=iec "$FREE_SPACE" 2>/dev/null || echo "${FREE_SPACE}B")"
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echo "快照 ID: ${SNAPSHOT_ID}"
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echo ""
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if [[ "$FREE_SPACE" -gt 0 && "$FREE_SPACE" -lt "$NEED" ]]; then
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echo "ERROR: 磁盘空间不足，需要约 $(numfmt --to=iec "$NEED" 2>/dev/null || echo "${NEED}B")"
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echo "请清理磁盘，或将 SNAPSHOTS 目录挂载到其他盘"
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exit 1
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fi
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mkdir -p "$SNAPSHOT_DIR"
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echo "正在创建全量快照（rsync，约 2G 需数分钟）..."
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echo "快照目录: ${SNAPSHOT_DIR}"
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echo ""
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if command -v rsync >/dev/null 2>&1; then
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rsync -a --info=progress2 \
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--exclude='.compress_backup/' \
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"${UPLOADS}/" "${SNAPSHOT_DIR}/"
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else
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echo "WARN: 未找到 rsync，使用 cp（较慢）"
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find "$UPLOADS" -mindepth 1 -maxdepth 1 ! -name '.compress_backup' -exec cp -a {} "${SNAPSHOT_DIR}/" \;
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fi
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# 写入元数据
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IMAGE_COUNT=$("$PHP_BIN" -r "
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\$n=0; \$ext=['jpg','jpeg','png','webp','gif'];
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\$it=new RecursiveIteratorIterator(new RecursiveDirectoryIterator('${UPLOADS}', FilesystemIterator::SKIP_DOTS));
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foreach(\$it as \$f){ if(\$f->isFile() && in_array(strtolower(\$f->getExtension()),\$ext)) \$n++; }
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echo \$n;
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")
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cat > "${SNAPSHOT_DIR}/.snapshot_meta.json" <<META
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{
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"created_at": "$(date -Iseconds 2>/dev/null || date)",
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"image_count": ${IMAGE_COUNT},
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"total_bytes": ${UPLOADS_SIZE},
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"method": "rsync",
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"max_width": 800,
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"quality": 65
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}
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META
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echo ""
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echo "快照完成！"
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echo "若压缩后有问题，一键恢复:"
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echo " bash deploy/restore-uploads.sh --restore=${SNAPSHOT_ID}"
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echo " bash deploy/restore-uploads.sh --latest"
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echo ""
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echo "========== 开始压缩 =========="
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echo ""
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mkdir -p "$LOG_DIR"
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DEFAULT_LOG="${LOG_DIR}/compress_${SNAPSHOT_ID}.log"
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HAS_LOG=0
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for arg in "${PASSTHRU[@]}"; do
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[[ "$arg" == --log=* ]] && HAS_LOG=1
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done
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if [[ "$HAS_LOG" -eq 0 ]]; then
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PASSTHRU+=("--log=${DEFAULT_LOG}")
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fi
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# 已有快照，不再让 PHP 重复快照
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exec "$PHP_BIN" -d memory_limit=512M "$SCRIPT" "${PASSTHRU[@]}"
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fi
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exec "$PHP_BIN" -d memory_limit=512M "$SCRIPT" "$@"
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