D-Net

package eu.dnetlib.metrics;

import io.micrometer.prometheus.PrometheusMeterRegistry;

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestMethod;

import org.springframework.web.bind.annotation.ResponseBody;

/**

 * Created by Alessia Bardi on 2019-06-21.

 *

 * @author Alessia Bardi

 */

@Controller

@RequestMapping(value = "/prom")

public final class PrometheusEndpoint {

	private static final Log log = LogFactory.getLog(PrometheusEndpoint.class);

	@Autowired

	private PrometheusMeterRegistry registry;

	@RequestMapping(method = RequestMethod.GET, produces = "text/plain;charset=UTF-8")

	@ResponseBody

	public String getStudents() {

		log.info("/prometheus [GET]");

		return registry.scrape();

	}

}