/**
* 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.*;
import backtype.storm.utils.NimbusClient;
import com.alibaba.jstorm.cluster.Common;
import com.alibaba.jstorm.ui.model.UIComponentMetric;
import com.alibaba.jstorm.ui.model.TaskEntity;
import com.alibaba.jstorm.ui.model.UITaskMetric;
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 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.*;
/**
* @author Jark (wuchong.wc@alibaba-inc.com)
*/
@Controller
public class ComponentController {
private static final Logger LOG = LoggerFactory.getLogger(ComponentController.class);
@RequestMapping(value = "/component", method = RequestMethod.GET)
public String show(@RequestParam(value = "cluster", required = true) String clusterName,
@RequestParam(value = "topology", required = true) String topology_id,
@RequestParam(value = "component", required = true) String component,
@RequestParam(value = "win", required = false) String win,
ModelMap model) {
clusterName = StringEscapeUtils.escapeHtml(clusterName);
topology_id = StringEscapeUtils.escapeHtml(topology_id);
long start = System.currentTimeMillis();
int window = UIUtils.parseWindow(win);
UIUtils.addWindowAttribute(model, window);
NimbusClient client = null;
try {
client = NimbusClientManager.getNimbusClient(clusterName);
//get Component Metric
TopologyInfo topologyInfo = client.getClient().getTopologyInfo(topology_id);
MetricInfo componentMetrics = topologyInfo.get_metrics().get_componentMetric();
// List<MetricInfo> componentMetrics = client.getClient().getMetrics(topology_id, MetaType.COMPONENT.getT());
UIComponentMetric componentMetric = UIMetricUtils.getComponentMetric(componentMetrics, window,
component, topologyInfo.get_components());
model.addAttribute("comp", componentMetric);
model.addAttribute("compHead", UIMetricUtils.sortHead(componentMetric, UIComponentMetric.HEAD));
//get Task Stat
model.addAttribute("tasks", UIUtils.getTaskEntities(topologyInfo, component));
//get Task metrics
// MetricInfo taskMetrics = topologyInfo.get_metrics().get_taskMetric();
MetricInfo taskMetrics = client.getClient().getTaskMetrics(topology_id, component);
// System.out.println("taskMetrics:" + taskMetrics);
List<UITaskMetric> taskData = UIMetricUtils.getTaskMetrics(taskMetrics, component, window);
model.addAttribute("taskData", taskData);
model.addAttribute("taskHead", UIMetricUtils.sortHead(taskData, UITaskMetric.HEAD));
} catch (NotAliveException nae) {
model.addAttribute("flush", String.format("The topology: %s is dead.", topology_id));
} catch (Exception e) {
NimbusClientManager.removeClient(clusterName);
LOG.error(e.getMessage(), e);
UIUtils.addErrorAttribute(model, e);
}
// page information
model.addAttribute("clusterName", clusterName);
model.addAttribute("topologyId", topology_id);
model.addAttribute("compName", component);
model.addAttribute("page", "component");
model.addAttribute("supervisorPort", UIUtils.getSupervisorPort(clusterName));
UIUtils.addTitleAttribute(model, "Component Summary");
try {
String topologyName = Common.topologyIdToName(topology_id);
model.addAttribute("topologyName", topologyName);
} catch (InvalidTopologyException e) {
e.printStackTrace();
}
LOG.info("component page show cost:{}ms", System.currentTimeMillis() - start);
return "component";
}
}