yuyr
31ccb0b1b8
Reviewed-on: #26 Reviewed-by: xuxt <xuxt@zgclab.edu.cn> Reviewed-by: huhy <husteryezi@163.com> Reviewed-by: sundapeng <sundp@mail.zgclab.edu.cn>
72 lines
2.2 KiB
Bash
72 lines
2.2 KiB
Bash
#!/bin/bash
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# DNS监控脚本 - 每10秒检查dns.conf是否有变化
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# 如果有变化则执行update-dns.sh脚本
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DNS_CONF="/private/argus/etc/dns.conf"
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DNS_BACKUP="/tmp/dns.conf.backup"
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UPDATE_SCRIPT="/private/argus/etc/update-dns.sh"
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LOG_FILE="/var/log/supervisor/dns-monitor.log"
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# 确保日志文件存在
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touch "$LOG_FILE"
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log_message() {
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echo "$(date '+%Y-%m-%d %H:%M:%S') [DNS-Monitor] $1" >> "$LOG_FILE"
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}
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log_message "DNS监控脚本启动"
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log_message "删除DNS备份文件（如果存在）"
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rm -f $DNS_BACKUP
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while true; do
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if [ -f "$DNS_CONF" ]; then
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if [ -f "$DNS_BACKUP" ]; then
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# 比较文件内容
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if ! cmp -s "$DNS_CONF" "$DNS_BACKUP"; then
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log_message "检测到DNS配置变化"
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# 更新备份文件
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cp "$DNS_CONF" "$DNS_BACKUP"
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# 执行更新脚本
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if [ -x "$UPDATE_SCRIPT" ]; then
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log_message "执行DNS更新脚本: $UPDATE_SCRIPT"
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"$UPDATE_SCRIPT" >> "$LOG_FILE" 2>&1
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if [ $? -eq 0 ]; then
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log_message "DNS更新脚本执行成功"
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else
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log_message "DNS更新脚本执行失败"
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fi
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else
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log_message "警告: 更新脚本不存在或不可执行: $UPDATE_SCRIPT"
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fi
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fi
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else
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# 第一次检测到配置文件，执行更新脚本
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if [ -x "$UPDATE_SCRIPT" ]; then
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log_message "执行DNS更新脚本: $UPDATE_SCRIPT"
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"$UPDATE_SCRIPT" >> "$LOG_FILE" 2>&1
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if [ $? -eq 0 ]; then
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log_message "DNS更新脚本执行成功"
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# 第一次运行，创建备份并执行更新
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cp "$DNS_CONF" "$DNS_BACKUP"
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log_message "创建DNS配置备份文件"
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else
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log_message "DNS更新脚本执行失败"
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fi
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else
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log_message "警告: 更新脚本不存在或不可执行: $UPDATE_SCRIPT"
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fi
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fi
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else
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log_message "警告: DNS配置文件不存在: $DNS_CONF"
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fi
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sleep 10
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done
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