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63 lines
1.7 KiB
Bash
63 lines
1.7 KiB
Bash
#!/bin/bash
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# 装看门狗：systemd service + timer，每 5 分钟检查一次隧道。
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set -u
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RELAY_DIR=/root/lanremote-relay
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echo "===== 1. 装脚本 ====="
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chmod +x "$RELAY_DIR/watchdog.sh"
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ls -la "$RELAY_DIR/watchdog.sh" | sed 's/^/ /'
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echo
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echo "===== 2. 一次性服务 ====="
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cat > /etc/systemd/system/lanremote-watchdog.service <<EOF
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[Unit]
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Description=LanRemote 隧道看门狗（检查公网可达性）
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After=lanremote-relay.service lanremote-tunnel.service
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[Service]
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Type=oneshot
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ExecStart=/bin/bash $RELAY_DIR/watchdog.sh
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MemoryMax=64M
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StandardOutput=append:$RELAY_DIR/watchdog.log
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StandardError=append:$RELAY_DIR/watchdog.log
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EOF
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echo
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echo "===== 3. 每 5 分钟跑一次 ====="
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cat > /etc/systemd/system/lanremote-watchdog.timer <<EOF
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[Unit]
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Description=每 5 分钟检查一次隧道
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[Timer]
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OnBootSec=3min
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OnUnitActiveSec=5min
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AccuracySec=30s
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Unit=lanremote-watchdog.service
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[Install]
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WantedBy=timers.target
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EOF
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systemctl daemon-reload
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systemctl enable lanremote-watchdog.timer >/dev/null 2>&1
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systemctl start lanremote-watchdog.timer
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echo " 已启用"
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echo
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echo "===== 4. 立刻跑一次看效果 ====="
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systemctl start lanremote-watchdog.service
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sleep 30
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echo " 看门狗日志："
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tail -5 "$RELAY_DIR/watchdog.log" 2>/dev/null | sed 's/^/ /' || echo " （还没有输出）"
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echo
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echo "===== 5. 定时器状态 ====="
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systemctl list-timers lanremote-watchdog.timer --no-pager 2>/dev/null | head -3 | sed 's/^/ /'
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echo
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echo "===== 6. 当前状态 ====="
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echo " 看门狗记录: $(cat $RELAY_DIR/watchdog.state 2>/dev/null || echo '（还没写）')"
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echo " 公网地址: $(cat $RELAY_DIR/public_url.txt 2>/dev/null)"
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echo " 隧道服务: $(systemctl is-active lanremote-tunnel)"
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