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FullBuildStatCollectorServer.java
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FullBuildStatCollectorServer.java
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/**
* 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
* <p>
* http:https://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.qlangtech.tis.rpc.server;
import ch.qos.logback.classic.spi.LoggingEvent;
import com.google.common.collect.Lists;
import com.qlangtech.tis.assemble.FullbuildPhase;
import com.qlangtech.tis.exec.ExecutePhaseRange;
import com.qlangtech.tis.exec.impl.DefaultChainContext;
import com.qlangtech.tis.exec.impl.TrackableExecuteInterceptor;
import com.qlangtech.tis.fullbuild.phasestatus.PhaseStatusCollection;
import com.qlangtech.tis.log.RealtimeLoggerCollectorAppender;
import com.qlangtech.tis.order.center.IndexSwapTaskflowLauncher;
import com.qlangtech.tis.rpc.grpc.log.LogCollectorClient;
import com.qlangtech.tis.rpc.grpc.log.stream.LogCollectorGrpc;
import com.qlangtech.tis.rpc.grpc.log.stream.PBuildPhaseStatusParam;
import com.qlangtech.tis.rpc.grpc.log.stream.PExecuteState;
import com.qlangtech.tis.rpc.grpc.log.stream.PMonotorTarget;
import com.qlangtech.tis.rpc.grpc.log.stream.PPhaseStatusCollection;
import com.qlangtech.tis.rpc.grpc.log.stream.PSynResTarget;
import com.qlangtech.tis.trigger.jst.MonotorTarget;
import com.qlangtech.tis.trigger.socket.LogType;
import com.qlangtech.tis.utils.Utils;
import io.grpc.Server;
import io.grpc.ServerBuilder;
import io.grpc.Status;
import io.grpc.stub.ServerCallStreamObserver;
import io.grpc.stub.StreamObserver;
import org.apache.commons.lang.NotImplementedException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.StringReader;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.function.Supplier;
/**
* 全量执行各个节点状态收集,供console端实时拉取
*
* @author 百岁([email protected])
* @create: 2020-05-11 10:17
*/
public class FullBuildStatCollectorServer extends LogCollectorGrpc.LogCollectorImplBase {
private static final Logger logger = LoggerFactory.getLogger(FullBuildStatCollectorServer.class);
private static final FullBuildStatCollectorServer instance = new FullBuildStatCollectorServer();
public static FullBuildStatCollectorServer getInstance() {
return instance;
}
private FullBuildStatCollectorServer() {
}
public static void main(String[] args) throws Exception {
FullBuildStatCollectorServer svc = new FullBuildStatCollectorServer();
final Server server = ServerBuilder.forPort(9999).addService(svc).build().start();
logger.info("Listening on " + server.getPort());
Runtime.getRuntime().addShutdownHook(new Thread() {
@Override
public void run() {
// Use stderr here since the logger may have been reset by its JVM shutdown hook.
System.err.println("Shutting down");
try {
server.shutdown().awaitTermination(30, TimeUnit.SECONDS);
} catch (InterruptedException e) {
e.printStackTrace(System.err);
}
}
});
server.awaitTermination();
}
public static RegisterMonitorEventHook registerMonitorEventHook = new RegisterMonitorEventHook();
@Override
public void loadPhaseStatusFromLatest(PSynResTarget request, StreamObserver<PPhaseStatusCollection> responseObserver) {
boolean pipeline = request.getPipeline();
String targetResName = request.getName();
if (!pipeline) {
// 目前代码中还没有支持workflow资源的响应
throw new NotImplementedException("targetResName:" + targetResName + " must be pipeline");
}
PhaseStatusCollection statusCollection = DefaultChainContext.loadPhaseStatusFromLatest(targetResName);
responseObserver.onNext((statusCollection != null) ? LogCollectorClient.convertPP(statusCollection) : null);
responseObserver.onCompleted();
}
/**
* 监听执行日志,详细信息
*
* @param responseObserver
* @return
*/
@Override
public StreamObserver<PMonotorTarget> registerMonitorEvent(StreamObserver<PExecuteState> responseObserver) {
registerMonitorEventHook.startSession();
final ServerCallStreamObserver<PExecuteState> serverCallStreamObserver = (ServerCallStreamObserver<PExecuteState>) responseObserver;
RealtimeLoggerCollectorAppender.LoggerCollectorAppenderListener listener = new RealtimeLoggerCollectorAppender.LoggerCollectorAppenderListener() {
@Override
public void readLogTailer(RealtimeLoggerCollectorAppender.LoggingEventMeta meta, File logFile) {
Utils.readLastNLine(logFile, 300, (line) -> {
if (line == null) {
return;
}
PExecuteState s = createLogState(meta, 0, null, line);
responseObserver.onNext(s);
registerMonitorEventHook.send2ClientFromFileTailer(logFile, s);
});
}
@Override
public void process(RealtimeLoggerCollectorAppender.LoggingEventMeta mtarget, LoggingEvent e) {
try {
String msg = e.getFormattedMessage();
if (msg == null) {
return;
}
try (BufferedReader msgReader = new BufferedReader(new StringReader(e.getFormattedMessage()))) {
String line = null;
while ((line = msgReader.readLine()) != null) {
PExecuteState s = createLogState(mtarget, e.getTimeStamp(), LogCollectorClient.convert(e.getLevel()), line);
responseObserver.onNext(s);
registerMonitorEventHook.send2Client(s, e);
}
}
} catch (IOException ex) {
throw new RuntimeException(ex);
}
}
private PExecuteState createLogState(RealtimeLoggerCollectorAppender.LoggingEventMeta mtarget
, long timestamp, com.qlangtech.tis.rpc.grpc.log.stream.PExecuteState.InfoType level, String msg) {
PExecuteState.Builder serverLog = PExecuteState.newBuilder();
serverLog.setTime(timestamp);
if (level != null) {
serverLog.setInfoType(level);
}
serverLog.setMsg(msg);
serverLog.setLogType(LogCollectorClient.convert(mtarget.logTypeVal));
if (mtarget.taskid != null) {
serverLog.setTaskId(mtarget.taskid);
}
return serverLog.build();
}
@Override
public boolean isClosed() {
return !serverCallStreamObserver.isReady();
}
};
class OnReadyHandler implements Runnable {
// Guard against spurious onReady() calls caused by a race between onNext() and onReady(). If the transport
// toggles isReady() from false to true while onNext() is executing, but before onNext() checks isReady(),
// request(1) would be called twice - once by onNext() and once by the onReady() scheduled during onNext()'s
// execution.
private boolean wasReady = false;
@Override
public void run() {
if (serverCallStreamObserver.isReady() && !wasReady) {
wasReady = true;
logger.info("READY");
// Signal the request sender to send one message. This happens when isReady() turns true, signaling that
// the receive buffer has enough free space to receive more messages. Calling request() serves to prime
// the message pump.
// serverCallStreamObserver.request(1);
}
}
}
final OnReadyHandler onReadyHandler = new OnReadyHandler();
serverCallStreamObserver.setOnReadyHandler(onReadyHandler);
// Give gRPC a StreamObserver that can observe and process incoming requests.
return new StreamObserver<PMonotorTarget>() {
@Override
public void onNext(PMonotorTarget request) {
// Process the request and send a response or an error.
try {
// Accept and enqueue the request.
// String name = request.getCollection();
MonotorTarget mtarget = LogCollectorClient.convert(request);
// System.out.println("==========================receive mtarget:" + mtarget.getTaskid());
addListener(mtarget, listener);
// Check the provided ServerCallStreamObserver to see if it is still ready to accept more messages.
if (serverCallStreamObserver.isReady()) {
// Signal the sender to send another request. As long as isReady() stays true, the server will keep
// cycling through the loop of onNext() -> request(1)...onNext() -> request(1)... until the client runs
// out of messages and ends the loop (via onCompleted()).
//
// If request() was called here with the argument of more than 1, the server might runs out of receive
// buffer space, and isReady() will turn false. When the receive buffer has sufficiently drained,
// isReady() will turn true, and the serverCallStreamObserver's onReadyHandler will be called to restart
// the message pump.
// serverCallStreamObserver.request(1);
} else {
// If not, note that back-pressure has begun.
onReadyHandler.wasReady = false;
}
} catch (Throwable throwable) {
throwable.printStackTrace();
logger.error(throwable.getMessage(), throwable);
responseObserver.onError(Status.UNKNOWN.withDescription("Error handling request").withCause(throwable).asException());
}
}
@Override
public void onError(Throwable t) {
// End the response stream if the client presents an error.
t.printStackTrace();
if (!serverCallStreamObserver.isCancelled()) {
responseObserver.onCompleted();
}
}
@Override
public void onCompleted() {
// Signal the end of work when the client ends the request stream.
logger.info("COMPLETED");
responseObserver.onCompleted();
registerMonitorEventHook.closeSession();
}
};
}
public static String addListener(MonotorTarget mtarget, RealtimeLoggerCollectorAppender.LoggerCollectorAppenderListener listener) {
StringBuffer targetAppenderName = new StringBuffer();
RealtimeLoggerCollectorAppender.LoggingEventMeta evtMeta = new RealtimeLoggerCollectorAppender.LoggingEventMeta();
evtMeta.logTypeVal = mtarget.getLogType().typeKind;
targetAppenderName.append(mtarget.getLogType().getValue()).append("-");
if (mtarget.getTaskid() != null) {
if (!(mtarget.getLogType() == LogType.FULL)) {
throw new IllegalArgumentException("target logtype:" + mtarget.getLogType() + " is illegal");
}
evtMeta.taskid = mtarget.getTaskid();
targetAppenderName.append(mtarget.getTaskid());
} else {
if (!(mtarget.getLogType() == LogType.INCR_SEND || mtarget.getLogType() == LogType.INCR)) {
throw new IllegalArgumentException("target logtype:" + mtarget.getLogType() + " is illegal");
}
evtMeta.collection = mtarget.getCollection();
targetAppenderName.append(mtarget.getCollection());
}
String target = targetAppenderName.toString();
RealtimeLoggerCollectorAppender.addListener(target, evtMeta, listener);
return target;
}
/**
* 分布式任务启动时候,同步rpc的方式向 assemble节点注册注册
*
* @param request
* @param responseObserver
*/
@Override
public void initTask(com.qlangtech.tis.rpc.grpc.log.stream.PPhaseStatusCollection request,
io.grpc.stub.StreamObserver<com.qlangtech.tis.rpc.grpc.log.common.Empty> responseObserver) {
List<Supplier<FullbuildPhase>> phaseJudgemment = Lists.newArrayList();
phaseJudgemment.add(() -> request.getDumpPhase().getTablesDumpCount() > 0 ? FullbuildPhase.FullDump : null);
phaseJudgemment.add(() -> request.getJoinPhase().getTaskStatusCount() > 0 ? FullbuildPhase.JOIN : null);
phaseJudgemment.add(() -> request.getBuildPhase().getNodeBuildStatusCount() > 0 ? FullbuildPhase.BUILD : null);
phaseJudgemment.add(() -> request.getIndexBackFlowPhaseStatus().getNodesStatusCount() > 0 ? FullbuildPhase.IndexBackFlow : null);
ExecutePhaseRange phaseRange = createPhaseRange(phaseJudgemment);
PhaseStatusCollection statusCollection = LogCollectorClient.convert(request, phaseRange);
statusCollection.flushStatus2Local();
TrackableExecuteInterceptor.initialTaskPhase(statusCollection);
responseObserver.onNext(com.qlangtech.tis.rpc.grpc.log.common.Empty.newBuilder().build());
responseObserver.onCompleted();
}
private static ExecutePhaseRange createPhaseRange(List<Supplier<FullbuildPhase>> phaseJudgemment) {
FullbuildPhase start = null;
FullbuildPhase end = null;
for (Supplier<FullbuildPhase> s : phaseJudgemment) {
if ((start = s.get()) != null) {
break;
}
}
List<Supplier<FullbuildPhase>> reversed = Lists.newArrayList(phaseJudgemment);
Collections.reverse(reversed);
for (Supplier<FullbuildPhase> s : reversed) {
if ((end = s.get()) != null) {
break;
}
}
return new ExecutePhaseRange(start, end);
}
@Override
public void buildPhraseStatus(PBuildPhaseStatusParam request, StreamObserver<PPhaseStatusCollection> responseObserver) {
final int taskid = (int) request.getTaskid();
logger.info("receive taskid:" + taskid + " ge relevant phaseStatusSet apply");
final ServerCallStreamObserver<PPhaseStatusCollection> serverCallStreamObserver = (ServerCallStreamObserver<PPhaseStatusCollection>) responseObserver;
// 先查一下数据库判断该任务是否已经结束
final AtomicBoolean wasReady = new AtomicBoolean();
serverCallStreamObserver.setOnReadyHandler(() -> {
if (serverCallStreamObserver.isReady() && !wasReady.get()) {
wasReady.set(true);
// Signal the request sender to send one message. This happens when isReady() turns true, signaling that
// the receive buffer has enough free space to receive more messages. Calling request() serves to prime
// the message pump.
serverCallStreamObserver.request(1);
PhaseStatusCollection phaseStatusSet = null;
do {
phaseStatusSet = TrackableExecuteInterceptor.getTaskPhaseReference(taskid);
if (phaseStatusSet == null) {
phaseStatusSet = IndexSwapTaskflowLauncher.loadPhaseStatusFromLocal(taskid);
}
} while (serverCallStreamObserver.isReady() && isStatusNotPresent(phaseStatusSet));
logger.info("ready to send taskid:" + taskid + "relevant stat info");
while (serverCallStreamObserver.isReady()) {
serverCallStreamObserver.onNext(LogCollectorClient.convertPP(phaseStatusSet));
if (phaseStatusSet.isComplete()) {
// 如果已经完成了就立即停止发送消息
break;
}
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
}
}
logger.info("stopto monitor taskid:" + taskid + "relevant stat info");
serverCallStreamObserver.onCompleted();
}
});
}
private boolean isStatusNotPresent(PhaseStatusCollection phaseStatusSet) {
boolean isStatusNotPresent = phaseStatusSet == null;
if (isStatusNotPresent) {
try {
Thread.sleep(1000l);
} catch (InterruptedException e) {
}
}
return isStatusNotPresent;
}
}