地址：
https://github.com/martin-helmich/prometheus-nginxlog-exporter
https://www.martin-helmich.de/en/blog/monitoring-nginx.html
客户端配置：
配置接口监控：
cd /opt/prometheus/prometheus-nginxlog-exporter
vim prometheus-nginxlog-exporter.yaml
listen:port: 4040address: "0.0.0.0"namespaces:- name: nginx# 指定日志格式，必须与 nginx.conf 中的定义匹配format: format = '[$time_local]-[$real_ip]- \"$request\" $status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$upstream_response_time\" > $request_time'source:files:- /data/logs/nginx/www. xx.com.log # nginx日志地址# 核心配置：从 'request' 字段中提取请求的 URIrelabel_configs:- target_label: request_urifrom: requestsplit: 2separator: ' 'labels:job: "nginx"environment: "prod"# 系统启动配置
cat /etc/systemd/system/prometheus-nginxlog-exporter.service
[Unit]
Description=NGINX metrics exporter for Prometheus
Documentation= https://github.com/martin-helmich/prometheus-nginxlog-exporter
After=network-online.target[Service]
Type=simple
ExecStart=/opt/prometheus/prometheus-nginxlog-exporter/prometheus-nginxlog-exporter -config-file /opt/prometheus/prometheus-nginxlog-exporter/prometheus-nginxlog-exporter.yaml
Restart=always
RestartSec=5
ProtectSystem=strict
ProtectHome=true
ReadWritePaths=/data/logs/nginx
NoNewPrivileges=true
CapabilityBoundingSet=[Install]
WantedBy=multi-user.target
启动命令：
systemctl daemon-reload
systemctl start prometheus-nginxlog-exporter
服务端配置：
# 警告配置alert.yml
# /auth/rest/register-new-account-common该接口5分钟内访问超过20次发报警邮件
- name: nginx_api_alertrules:- alert: HighFrequencyRegisterAPIexpr: sum(increase(nginx_http_requests_total{uri="/auth/rest/register-new-account-common"}[5m])) > 20for: 0m # 条件满足立即告警labels:severity: warningservice: user-registrationannotations:summary: "用户注册接口调用频率过高 (实例: {{ $labels.instance }})"description: "接口 /auth/rest/register-new-account-common 在过去5分钟内已被访问 {{ $value }} 次，超过20次的阈值。"# prometheus.yaml配置- job_name: "nginxlog"static_configs:- targets: ["192.168.1.10:4040"]metrics_path: '/metrics'scrape_interval: 15s
在http://192.168.1.1:9090/的status-》target中可以看到
