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124 lines
3.3 KiB
Bash
Executable File
124 lines
3.3 KiB
Bash
Executable File
#!/bin/bash
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# 考陪练系统数据库备份状态检查脚本
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# 作者: AI Assistant
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# 日期: 2025-09-23
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BACKUP_DIR="/root/aiedu/kaopeilian-backend/backups"
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LOG_FILE="${BACKUP_DIR}/check_status.log"
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# 日志函数
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log() {
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echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1" | tee -a "${LOG_FILE}"
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}
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# 检查最近的备份文件
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check_recent_backup() {
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local recent_backup=$(find "${BACKUP_DIR}" -name "kaopeilian_backup_*.sql.gz" -type f -mtime -1 | sort | tail -1)
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if [ -n "${recent_backup}" ]; then
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local backup_time=$(stat -c %Y "${recent_backup}")
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local current_time=$(date +%s)
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local time_diff=$((current_time - backup_time))
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local hours_diff=$((time_diff / 3600))
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log "最近备份: $(basename ${recent_backup})"
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log "备份时间: $(stat -c %y "${recent_backup}")"
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log "距离现在: ${hours_diff} 小时前"
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if [ ${hours_diff} -gt 2 ]; then
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log "WARNING: 备份文件超过2小时未更新"
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return 1
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else
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log "备份状态: 正常"
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return 0
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fi
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else
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log "ERROR: 未找到最近的备份文件"
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return 1
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fi
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}
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# 检查备份文件大小
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check_backup_size() {
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local recent_backup=$(find "${BACKUP_DIR}" -name "kaopeilian_backup_*.sql.gz" -type f -mtime -1 | sort | tail -1)
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if [ -n "${recent_backup}" ]; then
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local backup_size=$(stat -c %s "${recent_backup}")
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local backup_size_mb=$((backup_size / 1024 / 1024))
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log "备份文件大小: ${backup_size_mb}MB"
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if [ ${backup_size_mb} -lt 1 ]; then
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log "WARNING: 备份文件过小，可能不完整"
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return 1
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else
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log "备份文件大小: 正常"
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return 0
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fi
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fi
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}
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# 检查定时任务状态
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check_cron_status() {
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if crontab -l | grep -q "backup_database.sh"; then
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log "定时任务: 已配置"
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return 0
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else
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log "ERROR: 定时任务未配置"
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return 1
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fi
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}
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# 检查systemd定时器状态
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check_systemd_timer() {
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if systemctl is-active kaopeilian-backup.timer >/dev/null 2>&1; then
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log "Systemd定时器: 运行中"
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# 获取下次执行时间
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local next_run=$(systemctl list-timers kaopeilian-backup.timer --no-pager | grep kaopeilian-backup.timer | awk '{print $1, $2}')
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log "下次执行时间: ${next_run}"
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return 0
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else
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log "ERROR: Systemd定时器未运行"
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return 1
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fi
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}
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# 检查Docker容器状态
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check_docker_container() {
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if docker ps | grep -q "kaopeilian_mysql"; then
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log "MySQL容器: 运行中"
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return 0
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else
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log "ERROR: MySQL容器未运行"
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return 1
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fi
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}
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# 主检查函数
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main() {
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log "========== 备份状态检查开始 =========="
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local exit_code=0
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# 执行各项检查
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check_recent_backup || exit_code=1
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check_backup_size || exit_code=1
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check_cron_status || exit_code=1
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check_systemd_timer || exit_code=1
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check_docker_container || exit_code=1
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if [ ${exit_code} -eq 0 ]; then
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log "========== 备份状态检查完成: 全部正常 =========="
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else
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log "========== 备份状态检查完成: 发现问题 =========="
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fi
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return ${exit_code}
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}
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# 执行主函数
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main "$@"
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