94 lines
2.9 KiB
Bash
94 lines
2.9 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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# ============================================
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# Xray 备份脚本
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# 备份 Xray 配置 / 部署配置 / 网络调优参数
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# 输出目录默认 /var/backups/xray，自动清理 30 天前的旧备份
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# ============================================
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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cd "$SCRIPT_DIR"
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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RED='\033[0;31m'
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NC='\033[0m'
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log() { echo -e "${GREEN}[INFO]${NC} $*"; }
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warn() { echo -e "${YELLOW}[WARN]${NC} $*"; }
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error() { echo -e "${RED}[ERROR]${NC} $*" >&2; }
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if [ "$(id -u)" -ne 0 ]; then
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error "请使用 root 用户运行: sudo bash backup.sh"
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exit 1
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fi
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if [ -f .env ]; then
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sed -i 's/\r$//' .env
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set -a; source .env; set +a
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fi
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BACKUP_DIR="${BACKUP_DIR:-/var/backups/xray}"
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KEEP_DAYS="${BACKUP_KEEP_DAYS:-30}"
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STAMP="$(date '+%Y%m%d%H%M%S')"
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mkdir -p "$BACKUP_DIR"
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chmod 700 "$BACKUP_DIR"
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backed_up=0
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# ===== 1. Xray 配置 =====
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# 打包 /usr/local/etc/xray 整个目录，恢复时 tar xzf ... -C /usr/local/etc/
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if [ -d /usr/local/etc/xray ]; then
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tar czf "${BACKUP_DIR}/xray_config_${STAMP}.tar.gz" -C /usr/local/etc xray
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log "Xray 配置已备份: ${BACKUP_DIR}/xray_config_${STAMP}.tar.gz"
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backed_up=$((backed_up + 1))
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else
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warn "/usr/local/etc/xray 不存在，跳过"
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fi
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# ===== 2. 部署配置（.env + 脚本）=====
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# .env 含私钥，打包后权限收紧到 600
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deploy_files=()
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for f in .env deploy.sh uninstall.sh backup.sh upload.sh .env.example; do
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[ -f "$f" ] && deploy_files+=("$f")
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done
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if [ "${#deploy_files[@]}" -gt 0 ]; then
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tar czf "${BACKUP_DIR}/deploy_${STAMP}.tar.gz" -C "$SCRIPT_DIR" "${deploy_files[@]}"
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chmod 600 "${BACKUP_DIR}/deploy_${STAMP}.tar.gz"
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log "部署配置已备份: ${BACKUP_DIR}/deploy_${STAMP}.tar.gz（权限 600，含私钥）"
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backed_up=$((backed_up + 1))
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else
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warn "未找到可备份的部署文件，跳过"
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fi
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# ===== 3. 网络调优参数 =====
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if [ -f /etc/sysctl.d/99-xray-turbo.conf ]; then
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cp /etc/sysctl.d/99-xray-turbo.conf "${BACKUP_DIR}/sysctl_${STAMP}.conf"
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log "网络调优参数已备份: ${BACKUP_DIR}/sysctl_${STAMP}.conf"
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backed_up=$((backed_up + 1))
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else
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warn "/etc/sysctl.d/99-xray-turbo.conf 不存在，跳过"
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fi
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if [ "$backed_up" -eq 0 ]; then
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error "没有任何内容被备份，请确认 Xray 是否已部署"
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exit 1
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fi
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# ===== 4. 清理过期备份 =====
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old_count=$(find "$BACKUP_DIR" -maxdepth 1 -type f \
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\( -name 'xray_config_*.tar.gz' -o -name 'deploy_*.tar.gz' -o -name 'sysctl_*.conf' \) \
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-mtime "+${KEEP_DAYS}" | wc -l)
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if [ "$old_count" -gt 0 ]; then
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find "$BACKUP_DIR" -maxdepth 1 -type f \
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\( -name 'xray_config_*.tar.gz' -o -name 'deploy_*.tar.gz' -o -name 'sysctl_*.conf' \) \
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-mtime "+${KEEP_DAYS}" -delete
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log "已清理 ${old_count} 个超过 ${KEEP_DAYS} 天的旧备份"
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fi
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echo ""
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log "备份完成，目录: ${BACKUP_DIR}"
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ls -lh "$BACKUP_DIR" | tail -n +2 | tail -10
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