Examples with TaskSummary backtype.storm.generated.TaskSummary used on opensource projects

Example 1 with TaskSummary

use of backtype.storm.generated.TaskSummary in project jstorm by alibaba.

the class ServiceHandler method getTopologyInfo.

/**
     * Get TopologyInfo, it contain all data of the topology running status
     *
     * @return TopologyInfo
     */
@Override
public TopologyInfo getTopologyInfo(String topologyId) throws NotAliveException, TException {
    long start = System.nanoTime();
    StormClusterState stormClusterState = data.getStormClusterState();
    try {
        // get topology's StormBase
        StormBase base = stormClusterState.storm_base(topologyId, null);
        if (base == null) {
            throw new NotAliveException("No topology of " + topologyId);
        }
        Assignment assignment = stormClusterState.assignment_info(topologyId, null);
        if (assignment == null) {
            throw new NotAliveException("No topology of " + topologyId);
        }
        TopologyTaskHbInfo topologyTaskHbInfo = data.getTasksHeartbeat().get(topologyId);
        Map<Integer, TaskHeartbeat> taskHbMap = null;
        if (topologyTaskHbInfo != null)
            taskHbMap = topologyTaskHbInfo.get_taskHbs();
        Map<Integer, TaskInfo> taskInfoMap = Cluster.get_all_taskInfo(stormClusterState, topologyId);
        Map<Integer, String> taskToComponent = Cluster.get_all_task_component(stormClusterState, topologyId, taskInfoMap);
        Map<Integer, String> taskToType = Cluster.get_all_task_type(stormClusterState, topologyId, taskInfoMap);
        String errorString;
        if (Cluster.is_topology_exist_error(stormClusterState, topologyId)) {
            errorString = "Y";
        } else {
            errorString = "";
        }
        TopologySummary topologySummary = new TopologySummary();
        topologySummary.set_id(topologyId);
        topologySummary.set_name(base.getStormName());
        topologySummary.set_uptimeSecs(TimeUtils.time_delta(base.getLanchTimeSecs()));
        topologySummary.set_status(base.getStatusString());
        topologySummary.set_numTasks(NimbusUtils.getTopologyTaskNum(assignment));
        topologySummary.set_numWorkers(assignment.getWorkers().size());
        topologySummary.set_errorInfo(errorString);
        Map<String, ComponentSummary> componentSummaryMap = new HashMap<String, ComponentSummary>();
        HashMap<String, List<Integer>> componentToTasks = JStormUtils.reverse_map(taskToComponent);
        for (Entry<String, List<Integer>> entry : componentToTasks.entrySet()) {
            String name = entry.getKey();
            List<Integer> taskIds = entry.getValue();
            if (taskIds == null || taskIds.size() == 0) {
                LOG.warn("No task of component " + name);
                continue;
            }
            ComponentSummary componentSummary = new ComponentSummary();
            componentSummaryMap.put(name, componentSummary);
            componentSummary.set_name(name);
            componentSummary.set_type(taskToType.get(taskIds.get(0)));
            componentSummary.set_parallel(taskIds.size());
            componentSummary.set_taskIds(taskIds);
        }
        Map<Integer, TaskSummary> taskSummaryMap = new TreeMap<Integer, TaskSummary>();
        Map<Integer, List<TaskError>> taskErrors = Cluster.get_all_task_errors(stormClusterState, topologyId);
        for (Integer taskId : taskInfoMap.keySet()) {
            TaskSummary taskSummary = new TaskSummary();
            taskSummaryMap.put(taskId, taskSummary);
            taskSummary.set_taskId(taskId);
            if (taskHbMap == null) {
                taskSummary.set_status("Starting");
                taskSummary.set_uptime(0);
            } else {
                TaskHeartbeat hb = taskHbMap.get(taskId);
                if (hb == null) {
                    taskSummary.set_status("Starting");
                    taskSummary.set_uptime(0);
                } else {
                    boolean isInactive = NimbusUtils.isTaskDead(data, topologyId, taskId);
                    if (isInactive)
                        taskSummary.set_status("INACTIVE");
                    else
                        taskSummary.set_status("ACTIVE");
                    taskSummary.set_uptime(hb.get_uptime());
                }
            }
            if (StringUtils.isBlank(errorString)) {
                continue;
            }
            List<TaskError> taskErrorList = taskErrors.get(taskId);
            if (taskErrorList != null && taskErrorList.size() != 0) {
                for (TaskError taskError : taskErrorList) {
                    ErrorInfo errorInfo = new ErrorInfo(taskError.getError(), taskError.getTimSecs(), taskError.getLevel(), taskError.getCode());
                    taskSummary.add_to_errors(errorInfo);
                    String component = taskToComponent.get(taskId);
                    componentSummaryMap.get(component).add_to_errors(errorInfo);
                }
            }
        }
        for (ResourceWorkerSlot workerSlot : assignment.getWorkers()) {
            String hostname = workerSlot.getHostname();
            int port = workerSlot.getPort();
            for (Integer taskId : workerSlot.getTasks()) {
                TaskSummary taskSummary = taskSummaryMap.get(taskId);
                taskSummary.set_host(hostname);
                taskSummary.set_port(port);
            }
        }
        TopologyInfo topologyInfo = new TopologyInfo();
        topologyInfo.set_topology(topologySummary);
        topologyInfo.set_components(JStormUtils.mk_list(componentSummaryMap.values()));
        topologyInfo.set_tasks(JStormUtils.mk_list(taskSummaryMap.values()));
        // return topology metric & component metric only
        List<MetricInfo> tpMetricList = data.getMetricCache().getMetricData(topologyId, MetaType.TOPOLOGY);
        List<MetricInfo> compMetricList = data.getMetricCache().getMetricData(topologyId, MetaType.COMPONENT);
        List<MetricInfo> workerMetricList = data.getMetricCache().getMetricData(topologyId, MetaType.WORKER);
        MetricInfo taskMetric = MetricUtils.mkMetricInfo();
        MetricInfo streamMetric = MetricUtils.mkMetricInfo();
        MetricInfo nettyMetric = MetricUtils.mkMetricInfo();
        MetricInfo tpMetric, compMetric, workerMetric;
        if (tpMetricList == null || tpMetricList.size() == 0) {
            tpMetric = MetricUtils.mkMetricInfo();
        } else {
            // get the last min topology metric
            tpMetric = tpMetricList.get(tpMetricList.size() - 1);
        }
        if (compMetricList == null || compMetricList.size() == 0) {
            compMetric = MetricUtils.mkMetricInfo();
        } else {
            compMetric = compMetricList.get(0);
        }
        if (workerMetricList == null || workerMetricList.size() == 0) {
            workerMetric = MetricUtils.mkMetricInfo();
        } else {
            workerMetric = workerMetricList.get(0);
        }
        TopologyMetric topologyMetrics = new TopologyMetric(tpMetric, compMetric, workerMetric, taskMetric, streamMetric, nettyMetric);
        topologyInfo.set_metrics(topologyMetrics);
        return topologyInfo;
    } catch (TException e) {
        LOG.info("Failed to get topologyInfo " + topologyId, e);
        throw e;
    } catch (Exception e) {
        LOG.info("Failed to get topologyInfo " + topologyId, e);
        throw new TException("Failed to get topologyInfo" + topologyId);
    } finally {
        long end = System.nanoTime();
        SimpleJStormMetric.updateNimbusHistogram("getTopologyInfo", (end - start) / TimeUtils.NS_PER_US);
    }
}