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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
*
* 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.executiongraph.AccessExecution;
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.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.SubtaskExecutionAttemptDetailsInfo;
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.Executor;
/**
* Request handler for the job vertex details.
*/
public class JobVertexDetailsHandler extends AbstractExecutionGraphHandler implements JsonArchivist {
private final MetricFetcher metricFetcher;
public JobVertexDetailsHandler(
GatewayRetriever leaderRetriever,
Time timeout,
Map responseHeaders,
MessageHeaders messageHeaders,
ExecutionGraphCache executionGraphCache,
Executor executor,
MetricFetcher metricFetcher) {
super(
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();
for (AccessExecutionVertex vertex : jobVertex.getTaskVertices()) {
final AccessExecution execution = vertex.getCurrentExecutionAttempt();
final JobVertexID jobVertexID = jobVertex.getJobVertexId();
subtasks.add(SubtaskExecutionAttemptDetailsInfo.create(execution, metricFetcher, jobID, jobVertexID));
}
return new JobVertexDetailsInfo(
jobVertex.getJobVertexId(),
jobVertex.getName(),
jobVertex.getParallelism(),
now,
subtasks);
}
}
