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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.taskexecutor;
import org.apache.flink.api.common.time.Time;
import org.apache.flink.runtime.registration.RegisteredRpcConnection;
import org.apache.flink.runtime.registration.RegistrationConnectionListener;
import org.apache.flink.runtime.registration.RegistrationResponse;
import org.apache.flink.runtime.registration.RetryingRegistration;
import org.apache.flink.runtime.registration.RetryingRegistrationConfiguration;
import org.apache.flink.runtime.resourcemanager.ResourceManagerGateway;
import org.apache.flink.runtime.resourcemanager.ResourceManagerId;
import org.apache.flink.runtime.resourcemanager.TaskExecutorRegistration;
import org.apache.flink.runtime.rpc.RpcService;
import org.slf4j.Logger;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Executor;
import static org.apache.flink.util.Preconditions.checkNotNull;
/**
* The connection between a TaskExecutor and the ResourceManager.
*/
public class TaskExecutorToResourceManagerConnection
extends RegisteredRpcConnection {
private final RpcService rpcService;
private final RetryingRegistrationConfiguration retryingRegistrationConfiguration;
private final RegistrationConnectionListener registrationListener;
private final TaskExecutorRegistration taskExecutorRegistration;
public TaskExecutorToResourceManagerConnection(
Logger log,
RpcService rpcService,
RetryingRegistrationConfiguration retryingRegistrationConfiguration,
String resourceManagerAddress,
ResourceManagerId resourceManagerId,
Executor executor,
RegistrationConnectionListener registrationListener,
TaskExecutorRegistration taskExecutorRegistration) {
super(log, resourceManagerAddress, resourceManagerId, executor);
this.rpcService = checkNotNull(rpcService);
this.retryingRegistrationConfiguration = checkNotNull(retryingRegistrationConfiguration);
this.registrationListener = checkNotNull(registrationListener);
this.taskExecutorRegistration = checkNotNull(taskExecutorRegistration);
}
@Override
protected RetryingRegistration generateRegistration() {
return new TaskExecutorToResourceManagerConnection.ResourceManagerRegistration(
log,
rpcService,
getTargetAddress(),
getTargetLeaderId(),
retryingRegistrationConfiguration,
taskExecutorRegistration);
}
@Override
protected void onRegistrationSuccess(TaskExecutorRegistrationSuccess success) {
log.info("Successful registration at resource manager {} under registration id {}.",
getTargetAddress(), success.getRegistrationId());
registrationListener.onRegistrationSuccess(this, success);
}
@Override
protected void onRegistrationFailure(Throwable failure) {
log.info("Failed to register at resource manager {}.", getTargetAddress(), failure);
registrationListener.onRegistrationFailure(failure);
}
// ------------------------------------------------------------------------
// Utilities
// ------------------------------------------------------------------------
private static class ResourceManagerRegistration
extends RetryingRegistration {
private final TaskExecutorRegistration taskExecutorRegistration;
ResourceManagerRegistration(
Logger log,
RpcService rpcService,
String targetAddress,
ResourceManagerId resourceManagerId,
RetryingRegistrationConfiguration retryingRegistrationConfiguration,
TaskExecutorRegistration taskExecutorRegistration) {
super(log, rpcService, "ResourceManager", ResourceManagerGateway.class, targetAddress, resourceManagerId, retryingRegistrationConfiguration);
this.taskExecutorRegistration = taskExecutorRegistration;
}
@Override
protected CompletableFuture invokeRegistration(
ResourceManagerGateway resourceManager, ResourceManagerId fencingToken, long timeoutMillis) throws Exception {
Time timeout = Time.milliseconds(timeoutMillis);
return resourceManager.registerTaskExecutor(
taskExecutorRegistration,
timeout);
}
}
}
