public TaskHeartbeatTrigger(
Map conf,
String name,
DisruptorQueue queue,
BlockingQueue<Object> controlQueue,
int taskId,
String componentId,
TopologyContext sysTopologyCtx,
ITaskReportErr reportError) {
this.name = name;
this.queue = queue;
this.controlQueue = controlQueue;
this.opCode = TimerConstants.TASK_HEARTBEAT;
this.taskId = taskId;
this.componentId = componentId;
this.sysTopologyCtx = sysTopologyCtx;
this.frequence = JStormUtils.parseInt(conf.get(Config.TASK_HEARTBEAT_FREQUENCY_SECS), 10);
this.firstTime = frequence;
this.executeThreadHbTime = TimeUtils.current_time_secs();
this.taskHbTimeout = JStormUtils.parseInt(conf.get(Config.NIMBUS_TASK_TIMEOUT_SECS), 180);
this.intervalCheck = new IntervalCheck();
this.intervalCheck.setInterval(taskHbTimeout);
this.intervalCheck.start();
this.reportError = reportError;
this.uptime = new UptimeComputer();
}
/**
* start a topology: set active status of the topology
*
* @param topologyName
* @param stormClusterState
* @param topologyId
* @throws Exception
*/
public void setTopologyStatus(TopologyAssignEvent event) throws Exception {
StormClusterState stormClusterState = nimbusData.getStormClusterState();
String topologyId = event.getTopologyId();
String topologyName = event.getTopologyName();
String group = event.getGroup();
StormStatus status = new StormStatus(StatusType.active);
if (event.getOldStatus() != null) {
status = event.getOldStatus();
}
StormBase stormBase = stormClusterState.storm_base(topologyId, null);
if (stormBase == null) {
stormBase = new StormBase(topologyName, TimeUtils.current_time_secs(), status, group);
stormClusterState.activate_storm(topologyId, stormBase);
} else {
stormClusterState.update_storm(topologyId, status);
// here exist one hack operation
// when monitor/rebalance/startup topologyName is null
if (topologyName == null) {
event.setTopologyName(stormBase.getStormName());
}
}
LOG.info("Update " + topologyId + " " + status);
}
/**
* @param existingAssignment
* @param taskWorkerSlot
* @return
* @throws Exception
*/
public static Map<Integer, Integer> getTaskStartTimes(
TopologyAssignContext context,
NimbusData nimbusData,
String topologyId,
Assignment existingAssignment,
Set<ResourceWorkerSlot> workers)
throws Exception {
Map<Integer, Integer> startTimes = new TreeMap<Integer, Integer>();
if (context.getAssignType() == TopologyAssignContext.ASSIGN_TYPE_NEW) {
int nowSecs = TimeUtils.current_time_secs();
for (ResourceWorkerSlot worker : workers) {
for (Integer changedTaskId : worker.getTasks()) {
startTimes.put(changedTaskId, nowSecs);
}
}
return startTimes;
}
Set<ResourceWorkerSlot> oldWorkers = new HashSet<ResourceWorkerSlot>();
if (existingAssignment != null) {
Map<Integer, Integer> taskStartTimeSecs = existingAssignment.getTaskStartTimeSecs();
if (taskStartTimeSecs != null) {
startTimes.putAll(taskStartTimeSecs);
}
if (existingAssignment.getWorkers() != null) {
oldWorkers = existingAssignment.getWorkers();
}
}
StormClusterState zkClusterState = nimbusData.getStormClusterState();
Set<Integer> changeTaskIds = getChangeTaskIds(oldWorkers, workers);
int nowSecs = TimeUtils.current_time_secs();
for (Integer changedTaskId : changeTaskIds) {
startTimes.put(changedTaskId, nowSecs);
zkClusterState.remove_task_heartbeat(topologyId, changedTaskId);
}
LOG.info("Task assignment has been changed " + changeTaskIds);
return startTimes;
}
private void checkExecuteThreadHb() {
long currentTime = TimeUtils.current_time_secs();
if (currentTime - executeThreadHbTime > taskHbTimeout) {
String error =
"No response from Task-" + taskId + ", last report time(sec) is " + executeThreadHbTime;
reportError.report(error);
}
}
/**
* Submit one Topology
*
* @param topologyname String: topology name
* @param uploadedJarLocation String: already uploaded jar path
* @param jsonConf String: jsonConf serialize all toplogy configuration to Json
* @param topology StormTopology: topology Object
*/
@SuppressWarnings("unchecked")
@Override
public void submitTopologyWithOpts(
String topologyname,
String uploadedJarLocation,
String jsonConf,
StormTopology topology,
SubmitOptions options)
throws AlreadyAliveException, InvalidTopologyException, TopologyAssignException, TException {
LOG.info("Receive " + topologyname + ", uploadedJarLocation:" + uploadedJarLocation);
// @@@ Move validate topologyname in client code
try {
checkTopologyActive(data, topologyname, false);
} catch (AlreadyAliveException e) {
LOG.info(topologyname + " is already exist ");
throw e;
} catch (Exception e) {
LOG.info("Failed to check whether topology is alive or not", e);
throw new TException(e);
}
int counter = data.getSubmittedCount().incrementAndGet();
String topologyId = topologyname + "-" + counter + "-" + TimeUtils.current_time_secs();
Map<Object, Object> serializedConf = (Map<Object, Object>) JStormUtils.from_json(jsonConf);
if (serializedConf == null) {
LOG.warn("Failed to serialized Configuration");
throw new InvalidTopologyException("Failed to serilaze topology configuration");
}
serializedConf.put(Config.TOPOLOGY_ID, topologyId);
serializedConf.put(Config.TOPOLOGY_NAME, topologyname);
try {
Map<Object, Object> stormConf;
stormConf = NimbusUtils.normalizeConf(conf, serializedConf, topology);
Map<Object, Object> totalStormConf = new HashMap<Object, Object>(conf);
totalStormConf.putAll(stormConf);
StormTopology normalizedTopology = NimbusUtils.normalizeTopology(stormConf, topology);
// this validates the structure of the topology
Common.validate_basic(normalizedTopology, totalStormConf, topologyId);
// don't need generate real topology, so skip Common.system_topology
// Common.system_topology(totalStormConf, topology);
StormClusterState stormClusterState = data.getStormClusterState();
// create /local-dir/nimbus/topologyId/xxxx files
setupStormCode(conf, topologyId, uploadedJarLocation, stormConf, normalizedTopology);
// generate TaskInfo for every bolt or spout in ZK
// /ZK/tasks/topoologyId/xxx
setupZkTaskInfo(conf, topologyId, stormClusterState);
// make assignments for a topology
TopologyAssignEvent assignEvent = new TopologyAssignEvent();
assignEvent.setTopologyId(topologyId);
assignEvent.setScratch(false);
assignEvent.setTopologyName(topologyname);
assignEvent.setOldStatus(
Thrift.topologyInitialStatusToStormStatus(options.get_initial_status()));
TopologyAssign.push(assignEvent);
LOG.info("Submit for " + topologyname + " with conf " + serializedConf);
boolean isSuccess = assignEvent.waitFinish();
if (isSuccess == true) {
LOG.info("Finish submit for " + topologyname);
} else {
throw new FailedAssignTopologyException(assignEvent.getErrorMsg());
}
} catch (FailedAssignTopologyException e) {
StringBuilder sb = new StringBuilder();
sb.append("Fail to sumbit topology, Root cause:");
if (e.getMessage() == null) {
sb.append("submit timeout");
} else {
sb.append(e.getMessage());
}
sb.append("\n\n");
sb.append("topologyId:" + topologyId);
sb.append(", uploadedJarLocation:" + uploadedJarLocation + "\n");
LOG.error(sb.toString(), e);
throw new TopologyAssignException(sb.toString());
} catch (InvalidParameterException e) {
StringBuilder sb = new StringBuilder();
sb.append("Fail to sumbit topology ");
sb.append(e.getMessage());
sb.append(", cause:" + e.getCause());
sb.append("\n\n");
sb.append("topologyId:" + topologyId);
sb.append(", uploadedJarLocation:" + uploadedJarLocation + "\n");
LOG.error(sb.toString(), e);
throw new InvalidParameterException(sb.toString());
} catch (Throwable e) {
StringBuilder sb = new StringBuilder();
sb.append("Fail to sumbit topology ");
sb.append(e.getMessage());
sb.append(", cause:" + e.getCause());
sb.append("\n\n");
sb.append("topologyId:" + topologyId);
sb.append(", uploadedJarLocation:" + uploadedJarLocation + "\n");
LOG.error(sb.toString(), e);
throw new TopologyAssignException(sb.toString());
}
}