/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.alibaba.jstorm.ui.controller;
import backtype.storm.generated.MetricInfo;
import backtype.storm.generated.MetricSnapshot;
import backtype.storm.generated.SupervisorWorkers;
import backtype.storm.generated.WorkerSummary;
import backtype.storm.utils.NimbusClient;
import com.alibaba.jstorm.ui.model.SupervisorEntity;
import com.alibaba.jstorm.ui.model.UIWorkerMetric;
import com.alibaba.jstorm.ui.utils.NimbusClientManager;
import com.alibaba.jstorm.ui.utils.UIMetricUtils;
import com.alibaba.jstorm.ui.utils.UIUtils;
import com.alibaba.jstorm.utils.JStormUtils;
import com.alibaba.jstorm.utils.NetWorkUtils;
import org.apache.commons.lang.StringEscapeUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* @author Jark (wuchong.wc@alibaba-inc.com)
*/
@Controller
public class SupervisorController {
private static final Logger LOG = LoggerFactory.getLogger(SupervisorController.class);
@RequestMapping(value = "/supervisor", method = RequestMethod.GET)
public String show(@RequestParam(value = "cluster", required = true) String clusterName,
@RequestParam(value = "host", required = true) String host,
@RequestParam(value = "win", required = false) String win,
ModelMap model) {
clusterName = StringEscapeUtils.escapeHtml(clusterName);
long start = System.currentTimeMillis();
host = NetWorkUtils.host2Ip(host);
int window = UIUtils.parseWindow(win);
UIUtils.addWindowAttribute(model, window);
NimbusClient client = null;
try {
client = NimbusClientManager.getNimbusClient(clusterName);
//get supervisor summary
SupervisorWorkers supervisorWorkers = client.getClient().getSupervisorWorkers(host);
model.addAttribute("supervisor", new SupervisorEntity(supervisorWorkers.get_supervisor()));
//get worker summary
List<WorkerSummary> workerSummaries = supervisorWorkers.get_workers();
model.addAttribute("workerSummary", UIUtils.getWorkerEntities(workerSummaries));
//get worker metrics
Map<String, MetricInfo> workerMetricInfo = supervisorWorkers.get_workerMetric();
List<UIWorkerMetric> workerMetrics = UIMetricUtils.getWorkerMetrics(workerMetricInfo,
workerSummaries, host, window);
// System.out.println("workerMetricInfo:"+workerMetricInfo);
model.addAttribute("workerMetrics", workerMetrics);
model.addAttribute("workerHead", UIMetricUtils.sortHead(workerMetrics, UIWorkerMetric.HEAD));
} catch (Exception e) {
NimbusClientManager.removeClient(clusterName);
LOG.error(e.getMessage(), e);
UIUtils.addErrorAttribute(model, e);
}
// page information
model.addAttribute("clusterName", clusterName);
model.addAttribute("host", host);
model.addAttribute("page", "supervisor");
model.addAttribute("supervisorPort", UIUtils.getSupervisorPort(clusterName));
UIUtils.addTitleAttribute(model, "Supervisor Summary");
LOG.info("supervisor page show cost:{}ms", System.currentTimeMillis() - start);
return "supervisor";
}
}