343 lines
8.8 KiB
Bash
343 lines
8.8 KiB
Bash
#!/bin/bash
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# =============================================================================
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# b-vault-warden备份脚本
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# 功能：远程执行Vaultwarden备份、同步备份文件、加密压缩及清理
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# 版本：1.0.0
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# 作者：Shell脚本工程师
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# 许可证：MIT License
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# 依赖：ssh, rsync, 7zip, docker (远程主机)
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# =============================================================================
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set -euo pipefail
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IFS=$'\n\t'
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# > 全局常量定义
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readonly SCRIPT_NAME="$(basename "$0")"
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readonly SCRIPT_DIR="/root/wdd/backup"
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readonly LOCK_FILE="/root/wdd/backup/${SCRIPT_NAME}.lock"
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# > 配置参数（可根据需要调整为环境变量）
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readonly REMOTE_HOST="s5"
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readonly REMOTE_PORT="22333"
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readonly REMOTE_USER="root"
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readonly REMOTE_BACKUP_CMD="docker exec vault-warden /vaultwarden backup"
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readonly REMOTE_DATA_DIR="/data/vault-warden/persist-data"
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readonly LOCAL_BACKUP_DIR="/data/s5_146-56-159-175/vault_warden"
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readonly BACKUP_PATTERNS=(
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"config.json"
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"rsa_key*"
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"attachments"
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"icon_cache"
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"sends"
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"db_*.sqlite3"
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)
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readonly ENCRYPTION_PASSWORD="SuperWdd.123" # > 请在实际使用时修改
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# > 日志配置
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readonly LOG_DIR="${SCRIPT_DIR}/logs"
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readonly LOG_FILE="${LOG_DIR}/vault_warden_backup_$(date +%Y%m%d).log"
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# > 颜色输出定义
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readonly RED='\033[0;31m'
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readonly GREEN='\033[0;32m'
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readonly YELLOW='\033[1;33m'
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readonly BLUE='\033[0;34m'
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readonly NC='\033[0m'
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# =============================================================================
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# 日志函数集
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# =============================================================================
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###
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# 初始化日志系统
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# @require 无
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# @return 0 成功 | >0 失败
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###
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init_log_system() {
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mkdir -p "${LOG_DIR}" || return 1
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touch "${LOG_FILE}" || return 1
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return 0
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}
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###
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# 记录日志消息
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# @param level string 日志级别（DEBUG/INFO/WARN/ERROR）
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# @param message string 日志消息
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# @require LOG_FILE
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# @return 0 成功
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###
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log_message() {
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local level="$1"
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local message="$2"
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local timestamp
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timestamp=$(date '+%Y-%m-%d %H:%M:%S')
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case "${level}" in
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"DEBUG") echo -e "${BLUE}[DEBUG]${NC} ${timestamp} - ${message}" | tee -a "${LOG_FILE}" ;;
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"INFO") echo -e "${GREEN}[INFO]${NC} ${timestamp} - ${message}" | tee -a "${LOG_FILE}" ;;
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"WARN") echo -e "${YELLOW}[WARN]${NC} ${timestamp} - ${message}" | tee -a "${LOG_FILE}" >&2 ;;
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"ERROR") echo -e "${RED}[ERROR]${NC} ${timestamp} - ${message}" | tee -a "${LOG_FILE}" >&2 ;;
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*) echo "${timestamp} - ${message}" | tee -a "${LOG_FILE}" ;;
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esac
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return 0
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}
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# =============================================================================
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# 工具函数集
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# =============================================================================
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###
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# 检查命令是否存在
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# @param command_name string 命令名称
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# @require 无
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# @return 0 存在 | 1 不存在
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###
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check_command() {
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local command_name="$1"
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if ! command -v "${command_name}" >/dev/null 2>&1; then
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log_message "ERROR" "命令不存在: ${command_name}"
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return 1
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fi
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return 0
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}
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###
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# 执行远程SSH命令
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# @param command string 要执行的命令
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# @require REMOTE_HOST, REMOTE_PORT, REMOTE_USER
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# @return 远程命令的退出码
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###
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execute_remote_command() {
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local command="$1"
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ssh -p "${REMOTE_PORT}" "${REMOTE_USER}@${REMOTE_HOST}" "${command}"
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return $?
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}
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###
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# 创建锁文件防止并发执行
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# @require LOCK_FILE
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# @return 0 成功获取锁 | 1 锁已存在
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###
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acquire_lock() {
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if [ -e "${LOCK_FILE}" ]; then
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log_message "ERROR" "备份任务正在运行或异常退出，请检查锁文件: ${LOCK_FILE}"
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return 1
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fi
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echo "$$" > "${LOCK_FILE}"
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trap 'release_lock' EXIT
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return 0
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}
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###
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# 释放锁文件
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# @require LOCK_FILE
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# @return 0 成功
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###
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release_lock() {
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[ -e "${LOCK_FILE}" ] && rm -f "${LOCK_FILE}"
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return 0
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}
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# =============================================================================
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# 核心备份函数
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# =============================================================================
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###
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# 远程执行Vaultwarden备份命令
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# @require execute_remote_command, REMOTE_BACKUP_CMD
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# @return 0 成功 | >0 失败
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###
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remote_execute_backup() {
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log_message "INFO" "开始在远程主机执行Vaultwarden备份..."
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if ! execute_remote_command "${REMOTE_BACKUP_CMD}"; then
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log_message "ERROR" "远程备份命令执行失败"
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return 1
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fi
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log_message "INFO" "远程备份命令执行成功"
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return 0
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}
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###
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# 使用rsync同步备份文件到本地
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# @require REMOTE_HOST, REMOTE_PORT, REMOTE_USER, REMOTE_DATA_DIR, LOCAL_BACKUP_DIR, BACKUP_PATTERNS
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# @return 0 成功 | >0 失败
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###
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sync_backup_files() {
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log_message "INFO" "开始同步备份文件到本地..."
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# > 创建本地暂存目录
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mkdir -p "${LOCAL_BACKUP_DIR}" || {
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log_message "ERROR" "创建本地暂存目录失败: ${LOCAL_BACKUP_DIR}"
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return 1
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}
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# > 构建rsync命令
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local rsync_cmd="rsync -avz --progress -e 'ssh -p ${REMOTE_PORT}'"
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for pattern in "${BACKUP_PATTERNS[@]}"; do
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rsync_cmd+=" ${REMOTE_USER}@${REMOTE_HOST}:${REMOTE_DATA_DIR}/${pattern}"
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done
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rsync_cmd+=" ${LOCAL_BACKUP_DIR}/"
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# > 执行rsync同步
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if ! eval "${rsync_cmd}"; then
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log_message "ERROR" "文件同步失败"
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return 1
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fi
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log_message "INFO" "文件同步完成"
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return 0
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}
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###
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# 使用7zip加密压缩备份文件
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# @require LOCAL_BACKUP_DIR, LOCAL_BACKUP_DIR, ENCRYPTION_PASSWORD
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# @return 0 成功 | >0 失败
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###
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encrypt_and_compress() {
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log_message "INFO" "开始加密压缩备份文件..."
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# > 检查7zip命令
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if ! check_command "7z"; then
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log_message "ERROR" "7zip命令不存在，请安装p7zip-full包"
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return 1
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fi
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# > 创建备份目录
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mkdir -p "${LOCAL_BACKUP_DIR}" || {
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log_message "ERROR" "创建备份目录失败: ${LOCAL_BACKUP_DIR}"
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return 1
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}
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local backup_file="${LOCAL_BACKUP_DIR}/vaultwarden-backup-$(date +%Y%m%d-%H%M%S).7z"
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# > 执行加密压缩
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if ! (cd "${LOCAL_BACKUP_DIR}" && 7z a -p"${ENCRYPTION_PASSWORD}" -mhe=on "${backup_file}" . >/dev/null); then
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log_message "ERROR" "加密压缩失败"
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return 1
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fi
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log_message "INFO" "加密压缩完成: ${backup_file}"
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return 0
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}
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###
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# 远程删除备份数据库文件
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# @require execute_remote_command, REMOTE_DATA_DIR
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# @return 0 成功 | >0 失败
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###
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remote_cleanup_backup() {
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log_message "INFO" "开始清理远程备份文件..."
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local cleanup_cmd="rm -rf ${REMOTE_DATA_DIR}/db_*.sqlite3"
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if ! execute_remote_command "${cleanup_cmd}"; then
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log_message "ERROR" "远程清理失败"
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return 1
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fi
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log_message "INFO" "远程清理完成"
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return 0
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}
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###
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# 清理本地暂存目录
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# @require LOCAL_BACKUP_DIR
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# @return 0 成功
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###
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local_cleanup() {
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log_message "INFO" "清理本地暂存目录..."
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[ -d "${LOCAL_BACKUP_DIR}" ] && rm -rf "${LOCAL_BACKUP_DIR}"
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return 0
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}
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# =============================================================================
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# 主执行流程
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# =============================================================================
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###
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# 主备份流程
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# @require 所有上述函数
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# @return 0 成功 | >0 失败
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###
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main_backup_process() {
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log_message "INFO" "=== 开始Vaultwarden备份任务 ==="
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# > 检查依赖命令
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local required_commands=("ssh" "rsync" "7z")
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for cmd in "${required_commands[@]}"; do
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if ! check_command "${cmd}"; then
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return 1
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fi
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done
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# > 执行备份流程
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local steps=(
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remote_execute_backup
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sync_backup_files
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encrypt_and_compress
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remote_cleanup_backup
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# local_cleanup
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)
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for step in "${steps[@]}"; do
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if ! "${step}"; then
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log_message "ERROR" "备份任务在第 ${#steps[@]} 步失败"
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return 1
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fi
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done
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log_message "INFO" "=== Vaultwarden备份任务完成 ==="
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return 0
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}
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# =============================================================================
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# 脚本入口点
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# =============================================================================
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# > 设置错误处理
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trap 'log_message "ERROR" "脚本异常退出"; release_lock; exit 1' ERR
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# > 主执行块
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main() {
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if ! acquire_lock; then
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exit 1
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fi
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if ! init_log_system; then
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log_message "ERROR" "日志系统初始化失败"
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exit 1
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fi
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if ! main_backup_process; then
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log_message "ERROR" "备份任务执行失败"
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exit 1
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fi
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release_lock
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exit 0
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}
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# > 脚本执行入口
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main "$@"
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# =============================================================================
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# 函数调用关系图
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# =============================================================================
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# main
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# ├── acquire_lock
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# ├── init_log_system
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# └── main_backup_process
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# ├── check_command (多次调用)
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# ├── remote_execute_backup
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# │ └── execute_remote_command
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# ├── sync_backup_files
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# ├── encrypt_and_compress
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# │ └── check_command
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# ├── remote_cleanup_backup
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# │ └── execute_remote_command
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# └── local_cleanup
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