环境
系统：CentOS 7.5
准备
Nginx端
-
复制lua脚本
# cp prometheus.lua /usr/local/lib/lua/5.1/ -
添加Nginx配置
# vim /etc/nginx/conf.d/prometheus.conf lua_shared_dict prometheus_metrics 10M; lua_package_path "/usr/local/lib/lua/5.1/?.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}) '; server { listen 9145; server_name xxx.your.domain.com; 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() '; } } -
重启Nginx
# systemctl restart nginx
Prometheus端
-
配置Prometheus
# vim /usr/local/prometheus/prometheus.yml scrape_configs: - job_name: 'Nginx' static_configs: - targets: - 10.10.10.1:9145 -
重启Prometheus
# systemctl restart prometheus
Grafana端
- 添加dashboards
点击Create-Import，输入dashboards的id（推荐462）
