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org.apache.flink.runtime.rest.handler.job.JobVertexDetailsHandler 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.JobID;
import org.apache.flink.api.common.time.Time;
import org.apache.flink.runtime.execution.ExecutionState;
import org.apache.flink.runtime.executiongraph.AccessExecutionGraph;
import org.apache.flink.runtime.executiongraph.AccessExecutionJobVertex;
import org.apache.flink.runtime.executiongraph.AccessExecutionVertex;
import org.apache.flink.runtime.jobgraph.JobVertexID;
import org.apache.flink.runtime.rest.NotFoundException;
import org.apache.flink.runtime.rest.handler.HandlerRequest;
import org.apache.flink.runtime.rest.handler.legacy.ExecutionGraphCache;
import org.apache.flink.runtime.rest.handler.legacy.metrics.MetricFetcher;
import org.apache.flink.runtime.rest.handler.util.MutableIOMetrics;
import org.apache.flink.runtime.rest.messages.EmptyRequestBody;
import org.apache.flink.runtime.rest.messages.JobIDPathParameter;
import org.apache.flink.runtime.rest.messages.JobVertexDetailsInfo;
import org.apache.flink.runtime.rest.messages.JobVertexIdPathParameter;
import org.apache.flink.runtime.rest.messages.JobVertexMessageParameters;
import org.apache.flink.runtime.rest.messages.MessageHeaders;
import org.apache.flink.runtime.rest.messages.ResponseBody;
import org.apache.flink.runtime.rest.messages.job.metrics.IOMetricsInfo;
import org.apache.flink.runtime.taskmanager.TaskManagerLocation;
import org.apache.flink.runtime.webmonitor.RestfulGateway;
import org.apache.flink.runtime.webmonitor.history.ArchivedJson;
import org.apache.flink.runtime.webmonitor.history.JsonArchivist;
import org.apache.flink.runtime.webmonitor.retriever.GatewayRetriever;
import javax.annotation.Nullable;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Executor;
/**
* Request handler for the job vertex details.
*/
public class JobVertexDetailsHandler extends AbstractExecutionGraphHandler implements JsonArchivist {
private final MetricFetcher metricFetcher;
public JobVertexDetailsHandler(
CompletableFuture localRestAddress,
GatewayRetriever leaderRetriever,
Time timeout,
Map responseHeaders,
MessageHeaders messageHeaders,
ExecutionGraphCache executionGraphCache,
Executor executor,
MetricFetcher metricFetcher) {
super(
localRestAddress,
leaderRetriever,
timeout,
responseHeaders,
messageHeaders,
executionGraphCache,
executor);
this.metricFetcher = metricFetcher;
}
@Override
protected JobVertexDetailsInfo handleRequest(
HandlerRequest request,
AccessExecutionGraph executionGraph) throws NotFoundException {
JobID jobID = request.getPathParameter(JobIDPathParameter.class);
JobVertexID jobVertexID = request.getPathParameter(JobVertexIdPathParameter.class);
AccessExecutionJobVertex jobVertex = executionGraph.getJobVertex(jobVertexID);
if (jobVertex == null) {
throw new NotFoundException(String.format("JobVertex %s not found", jobVertexID));
}
return createJobVertexDetailsInfo(jobVertex, jobID, metricFetcher);
}
@Override
public Collection archiveJsonWithPath(AccessExecutionGraph graph) throws IOException {
Collection vertices = graph.getAllVertices().values();
List archive = new ArrayList<>(vertices.size());
for (AccessExecutionJobVertex task : vertices) {
ResponseBody json = createJobVertexDetailsInfo(task, graph.getJobID(), null);
String path = getMessageHeaders().getTargetRestEndpointURL()
.replace(':' + JobIDPathParameter.KEY, graph.getJobID().toString())
.replace(':' + JobVertexIdPathParameter.KEY, task.getJobVertexId().toString());
archive.add(new ArchivedJson(path, json));
}
return archive;
}
private static JobVertexDetailsInfo createJobVertexDetailsInfo(AccessExecutionJobVertex jobVertex, JobID jobID, @Nullable MetricFetcher metricFetcher) {
List subtasks = new ArrayList<>();
final long now = System.currentTimeMillis();
int num = 0;
for (AccessExecutionVertex vertex : jobVertex.getTaskVertices()) {
final ExecutionState status = vertex.getExecutionState();
TaskManagerLocation location = vertex.getCurrentAssignedResourceLocation();
String locationString = location == null ? "(unassigned)" : location.getHostname() + ":" + location.dataPort();
long startTime = vertex.getStateTimestamp(ExecutionState.DEPLOYING);
if (startTime == 0) {
startTime = -1;
}
long endTime = status.isTerminal() ? vertex.getStateTimestamp(status) : -1;
long duration = startTime > 0 ? ((endTime > 0 ? endTime : now) - startTime) : -1;
MutableIOMetrics counts = new MutableIOMetrics();
counts.addIOMetrics(
vertex.getCurrentExecutionAttempt(),
metricFetcher,
jobID.toString(),
jobVertex.getJobVertexId().toString());
subtasks.add(new JobVertexDetailsInfo.VertexTaskDetail(
num,
status,
vertex.getCurrentExecutionAttempt().getAttemptNumber(),
locationString,
startTime,
endTime,
duration,
new IOMetricsInfo(
counts.getNumBytesInLocal() + counts.getNumBytesInRemote(),
counts.isNumBytesInLocalComplete() && counts.isNumBytesInRemoteComplete(),
counts.getNumBytesOut(),
counts.isNumBytesOutComplete(),
counts.getNumRecordsIn(),
counts.isNumRecordsInComplete(),
counts.getNumRecordsOut(),
counts.isNumRecordsOutComplete())));
num++;
}
return new JobVertexDetailsInfo(
jobVertex.getJobVertexId(),
jobVertex.getName(),
jobVertex.getParallelism(),
now,
subtasks);
}
}