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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.entrypoint;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.runtime.blob.BlobServer;
import org.apache.flink.runtime.blob.TransientBlobService;
import org.apache.flink.runtime.clusterframework.ApplicationStatus;
import org.apache.flink.runtime.concurrent.ScheduledExecutor;
import org.apache.flink.runtime.dispatcher.ArchivedExecutionGraphStore;
import org.apache.flink.runtime.dispatcher.Dispatcher;
import org.apache.flink.runtime.dispatcher.DispatcherGateway;
import org.apache.flink.runtime.dispatcher.HistoryServerArchivist;
import org.apache.flink.runtime.dispatcher.MemoryArchivedExecutionGraphStore;
import org.apache.flink.runtime.dispatcher.MiniDispatcher;
import org.apache.flink.runtime.heartbeat.HeartbeatServices;
import org.apache.flink.runtime.highavailability.HighAvailabilityServices;
import org.apache.flink.runtime.jobgraph.JobGraph;
import org.apache.flink.runtime.jobmaster.MiniDispatcherRestEndpoint;
import org.apache.flink.runtime.leaderelection.LeaderElectionService;
import org.apache.flink.runtime.metrics.groups.JobManagerMetricGroup;
import org.apache.flink.runtime.resourcemanager.ResourceManagerGateway;
import org.apache.flink.runtime.rest.RestServerEndpointConfiguration;
import org.apache.flink.runtime.rest.handler.RestHandlerConfiguration;
import org.apache.flink.runtime.rpc.FatalErrorHandler;
import org.apache.flink.runtime.rpc.RpcService;
import org.apache.flink.runtime.webmonitor.retriever.LeaderGatewayRetriever;
import org.apache.flink.runtime.webmonitor.retriever.MetricQueryServiceRetriever;
import org.apache.flink.util.FlinkException;
import javax.annotation.Nullable;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Executor;
/**
* Base class for per-job cluster entry points.
*/
public abstract class JobClusterEntrypoint extends ClusterEntrypoint {
public JobClusterEntrypoint(Configuration configuration) {
super(configuration);
}
@Override
protected MiniDispatcherRestEndpoint createRestEndpoint(
Configuration configuration,
LeaderGatewayRetriever dispatcherGatewayRetriever,
LeaderGatewayRetriever resourceManagerGatewayRetriever,
TransientBlobService transientBlobService,
Executor executor,
MetricQueryServiceRetriever metricQueryServiceRetriever,
LeaderElectionService leaderElectionService) throws Exception {
final RestHandlerConfiguration restHandlerConfiguration = RestHandlerConfiguration.fromConfiguration(configuration);
return new MiniDispatcherRestEndpoint(
RestServerEndpointConfiguration.fromConfiguration(configuration),
dispatcherGatewayRetriever,
configuration,
restHandlerConfiguration,
resourceManagerGatewayRetriever,
transientBlobService,
executor,
metricQueryServiceRetriever,
leaderElectionService,
this);
}
@Override
protected ArchivedExecutionGraphStore createSerializableExecutionGraphStore(
Configuration configuration,
ScheduledExecutor scheduledExecutor) {
return new MemoryArchivedExecutionGraphStore();
}
@Override
protected Dispatcher createDispatcher(
Configuration configuration,
RpcService rpcService,
HighAvailabilityServices highAvailabilityServices,
ResourceManagerGateway resourceManagerGateway,
BlobServer blobServer,
HeartbeatServices heartbeatServices,
JobManagerMetricGroup jobManagerMetricGroup,
@Nullable String metricQueryServicePath,
ArchivedExecutionGraphStore archivedExecutionGraphStore,
FatalErrorHandler fatalErrorHandler,
@Nullable String restAddress,
HistoryServerArchivist historyServerArchivist) throws Exception {
final JobGraph jobGraph = retrieveJobGraph(configuration);
final String executionModeValue = configuration.getString(EXECUTION_MODE);
final ExecutionMode executionMode = ExecutionMode.valueOf(executionModeValue);
final MiniDispatcher dispatcher = new MiniDispatcher(
rpcService,
Dispatcher.DISPATCHER_NAME,
configuration,
highAvailabilityServices,
resourceManagerGateway,
blobServer,
heartbeatServices,
jobManagerMetricGroup,
metricQueryServicePath,
archivedExecutionGraphStore,
Dispatcher.DefaultJobManagerRunnerFactory.INSTANCE,
fatalErrorHandler,
restAddress,
historyServerArchivist,
jobGraph,
executionMode);
registerShutdownActions(dispatcher.getJobTerminationFuture());
return dispatcher;
}
protected abstract JobGraph retrieveJobGraph(Configuration configuration) throws FlinkException;
protected abstract void registerShutdownActions(CompletableFuture terminationFuture);
}
