nginx-prometheus.conf
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Authored by • ema on Feb 23 2017, 5:00 PM.

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	F5794134: nginx-prometheus.conf
	Feb 23 2017, 5:00 PM

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	lua_shared_dict prometheus_metrics 10M;
	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"})
	';
	log_by_lua '
	local host = ngx.var.host:gsub("^www.", "")
	metric_requests:inc(1, {host, ngx.var.status})
	metric_latency:observe(ngx.now() - ngx.req.start_time(), {host})
	';

	server {
	listen 9145;
	allow 127.0.0.1;
	deny all;
	location /metrics {
	content_by_lua 'prometheus:collect()';
	}
	}

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