cn.org.once.cstack.controller.MonitoringController.java Source code

Introduction

Here is the source code for cn.org.once.cstack.controller.MonitoringController.java

Source

/*
 * LICENCE : CloudUnit is available under the GNU Affero General Public License : https://gnu.org/licenses/agpl.html
 * but CloudUnit is licensed too under a standard commercial license.
 * Please contact our sales team if you would like to discuss the specifics of our Enterprise license.
 * If you are not sure whether the AGPL is right for you,
 * you can always test our software under the AGPL and inspect the source code before you contact us
 * about purchasing a commercial license.
 *
 * LEGAL TERMS : "CloudUnit" is a registered trademark of Treeptik and can't be used to endorse
 * or promote products derived from this project without prior written permission from Treeptik.
 * Products or services derived from this software may not be called "CloudUnit"
 * nor may "Treeptik" or similar confusing terms appear in their names without prior written permission.
 * For any questions, contact us : contact@treeptik.fr
 */

package cn.org.once.cstack.controller;

import java.util.List;

import javax.inject.Inject;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import cn.org.once.cstack.service.MonitoringService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import cn.org.once.cstack.exception.CheckException;
import cn.org.once.cstack.exception.ServiceException;
import cn.org.once.cstack.model.Metric;
import cn.org.once.cstack.service.DockerService;

/**
 * Created by nicolas on 25/08/2014.
 */
@RestController
@RequestMapping("/monitoring")
public class MonitoringController {

    private Logger logger = LoggerFactory.getLogger(MonitoringController.class);

    @Inject
    private MonitoringService monitoringService;

    @Inject
    private DockerService dockerService;

    /**
     * Is a wrapper to cAdvisor API
     *
     * @return
     * @throws ServiceException
     * @throws CheckException
     */
    @RequestMapping(value = "/api/machine", method = RequestMethod.GET)
    public void infoMachine(HttpServletRequest request, HttpServletResponse response)
            throws ServiceException, CheckException {
        String responseFromCAdvisor = monitoringService.getJsonMachineFromCAdvisor();
        try {
            response.getWriter().write(responseFromCAdvisor);
            response.flushBuffer();
        } catch (Exception e) {
            logger.error("error during write and flush response", responseFromCAdvisor);
        }

    }

    /**
     * * Is a wrapper to cAdvisor API
     *
     * @param containerName
     * @throws ServiceException
     * @throws CheckException
     */
    @RequestMapping(value = "/api/containers/docker/{containerName}", method = RequestMethod.GET)
    public void infoContainer(HttpServletRequest request, HttpServletResponse response,
            @PathVariable String containerName) throws ServiceException, CheckException {
        try {
            String containerId = dockerService.getContainerId(containerName);
            String responseFromCAdvisor = monitoringService.getJsonFromCAdvisor(containerId);

            if (logger.isDebugEnabled()) {
                logger.debug("containerId=" + containerId);
                logger.debug("responseFromCAdvisor=" + responseFromCAdvisor);
            }

            response.getWriter().write(responseFromCAdvisor);
            response.flushBuffer();
        } catch (Exception e) {
            logger.error("error during write and flush response", containerName);
        }
    }

    @RequestMapping(value = "/metrics/{serverName}")
    public List<Metric> findAllByServer(@PathVariable("serverName") String serverName) {
        return monitoringService.findByServer(serverName);
    }

    /**
     * Return the position into the architecture of the service
     * @return
     */
    @RequestMapping("/location")
    public ResponseEntity<String> getServiceLocation(@Value("#{environment.CU_KIBANA_DOMAIN}") String location) {
        if (location != null && !location.startsWith("https")) {
            location = "https://" + location;
        }
        return ResponseEntity.ok(location);
    }

}