org.apache.flink.runtime.rest.handler.job.JobSubmitHandler Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* 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
*
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*/
package org.apache.flink.runtime.rest.handler.job;
import org.apache.flink.api.common.time.Time;
import org.apache.flink.runtime.dispatcher.DispatcherGateway;
import org.apache.flink.runtime.jobgraph.JobGraph;
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.EmptyMessageParameters;
import org.apache.flink.runtime.rest.messages.job.JobSubmitHeaders;
import org.apache.flink.runtime.rest.messages.job.JobSubmitRequestBody;
import org.apache.flink.runtime.rest.messages.job.JobSubmitResponseBody;
import org.apache.flink.runtime.webmonitor.retriever.GatewayRetriever;
import org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpResponseStatus;
import javax.annotation.Nonnull;
import java.io.ByteArrayInputStream;
import java.io.ObjectInputStream;
import java.util.concurrent.CompletableFuture;
/**
* This handler can be used to submit jobs to a Flink cluster.
*/
public final class JobSubmitHandler extends AbstractRestHandler {
public JobSubmitHandler(CompletableFuture localRestAddress, GatewayRetriever leaderRetriever, Time timeout) {
super(localRestAddress, leaderRetriever, timeout, JobSubmitHeaders.getInstance());
}
@Override
protected CompletableFuture handleRequest(@Nonnull HandlerRequest request, @Nonnull DispatcherGateway gateway) throws RestHandlerException {
JobGraph jobGraph;
try {
ObjectInputStream objectIn = new ObjectInputStream(new ByteArrayInputStream(request.getRequestBody().serializedJobGraph));
jobGraph = (JobGraph) objectIn.readObject();
} catch (Exception e) {
throw new RestHandlerException(
"Failed to deserialize JobGraph.",
HttpResponseStatus.BAD_REQUEST,
e);
}
return gateway.submitJob(jobGraph, timeout)
.thenApply(ack -> new JobSubmitResponseBody("/jobs/" + jobGraph.getJobID()));
}
}