前言 Nginx官网有介绍各种监控方案,以前我们常用stub_status和Log日志来实现Nginx监控。本文主要介绍基于Prometheus的2种监控方案nginx-lua-prometheus和nginx-vts-exporter,在真实的生产环境中你可能需要研究和选择哪种方法才是适合你的,F5收购Nginx后的未来让我们一起拭目以待。
Prometheus 监控 Nginx
更新历史 2019年03月25日 - 初稿
阅读原文 - https://wsgzao.github.io/post/prometheus-nginx/
扩展阅读
Monitoring NGINX - https://www.nginx.com/blog/monitoring-nginx/
Nginx监控 官网介绍的监控方案 - https://www.nginx.com/blog/monitoring-nginx/
Prometheus 集成的 HTTP exporter 方案 - https://prometheus.io/docs/instrumenting/exporters/#http
聊聊 Nginx 的监控 - https://zhuanlan.zhihu.com/p/34050716
使用rpmbuild制作Nginx的RPM包 - https://wsgzao.github.io/post/rpmbuild/
Prometheus 监控 Nginx nginx-lua-prometheus
Nginx 需要添加 Lua 扩展
https://github.com/knyar/nginx-lua-prometheus
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 https://github.com/knyar/nginx-lua-prometheus/releases wget https://github.com/knyar/nginx-lua-prometheus/archive/0.20181120.tar.gz tar xf 0.20181120.tar.gz cd nginx-lua-prometheus-0.20181120mkdir -p /etc/nginx/lua/cp prometheus.lua /etc/nginx/lua/vim /etc/nginx/nginx.conf lua_shared_dict prometheus_metrics 10M; lua_package_path "/etc/nginx/lua/prometheus.lua" ; init_by_lua ' prometheus = require("prometheus").init("prometheus_metrics") metric_requests = prometheus:counter( "nginx_http_requests_total", "Number of HTTP requests", {"host", "status"}) metric_latency = prometheus:histogram( "nginx_http_request_duration_seconds", "HTTP request latency", {"host"}) metric_connections = prometheus:gauge( "nginx_http_connections", "Number of HTTP connections", {"state"}) ' ;log_by_lua ' metric_requests:inc(1, {ngx.var.server_name, ngx.var.status}) metric_latency:observe(tonumber(ngx.var.request_time), {ngx.var.server_name}) ' ;vim /etc/nginx/sites-available/nginx-lua-prometheus server { listen 9145; location /metrics { content_by_lua ' metric_connections:set(ngx.var.connections_reading, {"reading"}) metric_connections:set(ngx.var.connections_waiting, {"waiting"}) metric_connections:set(ngx.var.connections_writing, {"writing"}) prometheus:collect() ' ; } } cd /etc/nginx/sites-enabled/ln -s ../sites-available/nginx-lua-prometheusnginx -t nginx -s reload curl http://127.0.0.1:9145/metrics -A INPUT -s xxx -p tcp --dport 9145 -j ACCEPT
nginx-vts-exporter https://github.com/hnlq715/nginx-vts-exporter
对方正在输入中
Grafana nginx-lua-prometheus https://grafana.com/dashboards/462
nginx-vts-exporter https://grafana.com/dashboards/2949
参考文献 https://prometheus.io/docs/instrumenting/exporters/#http