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78 changes: 78 additions & 0 deletions deploy/monitor/README.md
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# 轻量监控与告警(飞书)

## 文件
- `monitor.sh`:监控主脚本
- `monitor.conf.example`:配置模板
- `install.sh`:安装脚本

## 监控项
- API 存活与响应时间
- Docker 容器运行状态与重启次数
- CPU / 内存 / 磁盘
- 网络错误计数
- UFW 状态与 80/443 暴露检查
- fail2ban 与 sshd jail
- TLS 证书到期时间
- 源站直连检查

## 增强点
- 每次执行写心跳
- 每次执行输出摘要:`status=OK|WARN|FAIL`
- 失败恢复后发送飞书恢复通知
- cron 保留独立运行日志
- 自动安装 logrotate,避免日志无限增长
- 使用 `flock` 防止并发重入

## 安装
```bash
cd /opt/CLIProxyAPI/deploy/monitor
sudo bash install.sh
```

## 配置
```bash
sudo vi /opt/CLIProxyAPI/monitor/monitor.conf
```

至少填写:
- `FEISHU_WEBHOOK`
- `DOMAIN`
- `ORIGIN_IP`
- `API_KEY`(如接口需要鉴权)

可选配置:
- `RECOVERY_ALERTS=1`:异常恢复后发送恢复通知
- `ALERT_COOLDOWN=1800`:同类告警冷却时间

## 手动测试
```bash
/opt/CLIProxyAPI/monitor/monitor.sh
tail -n 50 /var/log/cliproxyapi-monitor.log
tail -n 50 /var/log/cliproxyapi-monitor-run.log
```

## 默认阈值
- CPU `>= 90%`
- 内存 `>= 90%`
- 磁盘 `>= 85%`
- API 连续失败 `>= 3` 次
- API 响应时间 `>= 2000ms`
- 证书剩余天数 `<= 15`

## 日志
- 告警与摘要日志:`/var/log/cliproxyapi-monitor.log`
- cron 运行日志:`/var/log/cliproxyapi-monitor-run.log`

## 日志轮转
安装脚本会写入:

`/etc/logrotate.d/cliproxyapi-monitor`

策略:
- 每日轮转
- 保留 14 份
- 压缩旧日志
- `copytruncate` 避免中断写入

## 定时任务
`/etc/cron.d/cliproxyapi-monitor`
51 changes: 51 additions & 0 deletions deploy/monitor/install.sh
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#!/usr/bin/env bash
set -euo pipefail

if [[ "${EUID}" -ne 0 ]]; then
echo "请使用 root 执行"
exit 1
fi

SRC_DIR="$(cd "$(dirname "$0")" && pwd)"
TARGET_DIR="/opt/CLIProxyAPI/monitor"
CONF_TARGET="${TARGET_DIR}/monitor.conf"
CRON_FILE="/etc/cron.d/cliproxyapi-monitor"
LOGROTATE_FILE="/etc/logrotate.d/cliproxyapi-monitor"

mkdir -p "$TARGET_DIR"
cp -f "${SRC_DIR}/monitor.sh" "${TARGET_DIR}/monitor.sh"
chmod +x "${TARGET_DIR}/monitor.sh"

if [[ ! -f "$CONF_TARGET" ]]; then
cp -f "${SRC_DIR}/monitor.conf.example" "$CONF_TARGET"
echo "已生成配置: ${CONF_TARGET}"
fi

mkdir -p /var/lib/cliproxyapi-monitor
touch /var/log/cliproxyapi-monitor.log
touch /var/log/cliproxyapi-monitor-run.log

cat > "$CRON_FILE" <<'EOF'
* * * * * root /opt/CLIProxyAPI/monitor/monitor.sh >> /var/log/cliproxyapi-monitor-run.log 2>&1
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medium

当前的 cron 任务设置为每分钟执行一次。对于一个“轻量级”监控脚本来说,这个频率可能太高了,特别是考虑到某些检查(如证书到期)不需要频繁运行,而且 CPU 检查本身包含1秒的 sleep。过于频繁的执行可能会消耗不必要的系统资源。建议将执行频率降低到每5分钟一次。

Suggested change
* * * * * root /opt/CLIProxyAPI/monitor/monitor.sh >> /var/log/cliproxyapi-monitor-run.log 2>&1
*/5 * * * * root /opt/CLIProxyAPI/monitor/monitor.sh >> /var/log/cliproxyapi-monitor-run.log 2>&1

EOF

cat > "$LOGROTATE_FILE" <<'EOF'
/var/log/cliproxyapi-monitor.log /var/log/cliproxyapi-monitor-run.log {
su root root
daily
rotate 14
compress
delaycompress
missingok
notifempty
copytruncate
create 0640 root root
}
EOF

echo "已安装定时任务: ${CRON_FILE}"
echo "已安装日志轮转: ${LOGROTATE_FILE}"
echo "cron 输出已写入: /var/log/cliproxyapi-monitor-run.log"
echo "请编辑配置并手动测试:"
echo " vi ${CONF_TARGET}"
echo " /opt/CLIProxyAPI/monitor/monitor.sh"
40 changes: 40 additions & 0 deletions deploy/monitor/monitor.conf.example
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# 监控与告警配置(复制为 monitor.conf 并修改)

# 基础
DOMAIN="cpa.hasdg.fun"
ORIGIN_IP="142.171.216.112"
API_PATH="/v1/models"
API_KEY=""

# 阈值
API_TIMEOUT=5
API_SLOW_MS=2000
API_FAIL_THRESHOLD=3
CPU_WARN=90
MEM_WARN=90
DISK_WARN=85
NET_ERR_INCR=1
CERT_EXPIRE_DAYS=15

# 组件
CONTAINER_NAME="cliproxyapi"

# 开关
CHECK_API=1
CHECK_DOCKER=1
CHECK_RESOURCE=1
CHECK_NETWORK=1
CHECK_UFW=1
CHECK_FAIL2BAN=1
CHECK_CERT=1
CHECK_ORIGIN=1

# 告警
ALERT_COOLDOWN=1800
RECOVERY_ALERTS=1
FEISHU_WEBHOOK="https://open.feishu.cn/open-apis/bot/v2/hook/REPLACE_ME"

# 日志与状态
LOG_FILE="/var/log/cliproxyapi-monitor.log"
RUN_LOG_FILE="/var/log/cliproxyapi-monitor-run.log"
STATE_DIR="/var/lib/cliproxyapi-monitor"
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