org.apache.flink.runtime.rest.handler.job.JobClientHeartbeatHandler Maven / Gradle / Ivy
/*
* 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 org.apache.flink.runtime.rest.handler.job;
import org.apache.flink.api.common.time.Time;
import org.apache.flink.runtime.rest.handler.AbstractRestHandler;
import org.apache.flink.runtime.rest.handler.HandlerRequest;
import org.apache.flink.runtime.rest.handler.RestHandlerException;
import org.apache.flink.runtime.rest.messages.EmptyResponseBody;
import org.apache.flink.runtime.rest.messages.JobClientHeartbeatParameters;
import org.apache.flink.runtime.rest.messages.JobClientHeartbeatRequestBody;
import org.apache.flink.runtime.rest.messages.JobIDPathParameter;
import org.apache.flink.runtime.rest.messages.MessageHeaders;
import org.apache.flink.runtime.webmonitor.RestfulGateway;
import org.apache.flink.runtime.webmonitor.retriever.GatewayRetriever;
import org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpResponseStatus;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionException;
/** Receive the heartbeat from the client. */
public class JobClientHeartbeatHandler
extends AbstractRestHandler<
RestfulGateway,
JobClientHeartbeatRequestBody,
EmptyResponseBody,
JobClientHeartbeatParameters> {
private static final Logger LOG = LoggerFactory.getLogger(JobClientHeartbeatHandler.class);
public JobClientHeartbeatHandler(
GatewayRetriever leaderRetriever,
Time timeout,
Map headers,
MessageHeaders<
JobClientHeartbeatRequestBody,
EmptyResponseBody,
JobClientHeartbeatParameters>
messageHeaders) {
super(leaderRetriever, timeout, headers, messageHeaders);
}
@Override
public CompletableFuture handleRequest(
HandlerRequest request, RestfulGateway gateway)
throws RestHandlerException {
return gateway.reportJobClientHeartbeat(
request.getPathParameter(JobIDPathParameter.class),
request.getRequestBody().getExpiredTimestamp(),
timeout)
.handle(
(Void ack, Throwable error) -> {
if (error != null) {
String errorMessage =
"Fail to report jobClient's heartbeat: "
+ error.getMessage();
LOG.error(errorMessage, error);
throw new CompletionException(
new RestHandlerException(
errorMessage,
HttpResponseStatus.INTERNAL_SERVER_ERROR,
error));
} else {
return EmptyResponseBody.getInstance();
}
});
}
}