dalelane commented on code in PR #29379: URL: https://github.com/apache/flink/pull/29379#discussion_r4276941546
########## flink-container/src/main/java/org/apache/flink/container/entrypoint/MiniClusterJobEntryPoint.java: ########## @@ -0,0 +1,171 @@ +/* + * 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.container.entrypoint; + +import org.apache.flink.annotation.Internal; +import org.apache.flink.client.deployment.application.ApplicationClusterEntryPoint; +import org.apache.flink.client.program.PackagedProgram; +import org.apache.flink.configuration.Configuration; +import org.apache.flink.configuration.TaskManagerOptions; +import org.apache.flink.core.fs.FileSystem; +import org.apache.flink.core.plugin.PluginManager; +import org.apache.flink.core.plugin.PluginUtils; +import org.apache.flink.core.security.FlinkSecurityManager; +import org.apache.flink.runtime.clusterframework.ApplicationStatus; +import org.apache.flink.runtime.entrypoint.ClusterEntrypoint; +import org.apache.flink.runtime.entrypoint.ClusterEntrypointUtils; +import org.apache.flink.runtime.minicluster.MiniCluster; +import org.apache.flink.runtime.minicluster.MiniClusterConfiguration; +import org.apache.flink.runtime.security.contexts.SecurityContext; +import org.apache.flink.runtime.util.EnvironmentInformation; +import org.apache.flink.runtime.util.JvmShutdownSafeguard; +import org.apache.flink.runtime.util.SignalHandler; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.time.Duration; +import java.util.concurrent.CompletableFuture; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.atomic.AtomicBoolean; + +/** + * Entry point that runs a single application in a {@link MiniCluster}. It takes the same command + * line parameters as {@link StandaloneApplicationClusterEntryPoint}, and the MiniCluster is built + * with the same application-mode dispatcher. + */ +@Internal +public final class MiniClusterJobEntryPoint { + + private static final Logger LOG = LoggerFactory.getLogger(MiniClusterJobEntryPoint.class); + + private static final Duration SHUTDOWN_TIMEOUT = Duration.ofSeconds(30); + + /** The safeguard's default, as used by the other cluster entrypoints. */ + private static final Duration JVM_SHUTDOWN_SAFEGUARD_DELAY = Duration.ofSeconds(5); + + /** Shorter than the safeguard delay, so that a slow close is logged before the JVM halts. */ + private static final Duration SHUTDOWN_HOOK_TIMEOUT = Duration.ofSeconds(4); + + private static final AtomicBoolean STOPPING = new AtomicBoolean(); + + public static void main(String[] args) { + EnvironmentInformation.logEnvironmentInfo( + LOG, MiniClusterJobEntryPoint.class.getSimpleName(), args); + SignalHandler.register(LOG); + JvmShutdownSafeguard.installAsShutdownHook(LOG, JVM_SHUTDOWN_SAFEGUARD_DELAY.toMillis()); + + final StandaloneApplicationClusterConfiguration clusterConfiguration = + ClusterEntrypointUtils.parseParametersOrExit( + args, + new StandaloneApplicationClusterConfigurationParserFactory(), + MiniClusterJobEntryPoint.class); + + int exitCode; + try { + final Configuration configuration = + ApplicationClusterEntryPointUtils.loadConfiguration(clusterConfiguration); + FlinkSecurityManager.setFromConfiguration(configuration); + final PluginManager pluginManager = + PluginUtils.createPluginManagerFromRootFolder(configuration); + FileSystem.initialize(configuration, pluginManager); + + final SecurityContext securityContext = + ClusterEntrypoint.installSecurityContext(configuration); + ClusterEntrypointUtils.configureUncaughtExceptionHandler(configuration); + exitCode = + securityContext.runSecured( + () -> + runApplication( + clusterConfiguration, configuration, pluginManager)); + } catch (Throwable t) { + LOG.error("Could not run the application on a MiniCluster.", t); + exitCode = 1; + } + System.exit(exitCode); + } + + private static int runApplication( + final StandaloneApplicationClusterConfiguration clusterConfiguration, + final Configuration configuration, + final PluginManager pluginManager) + throws Exception { + final PackagedProgram program = + ApplicationClusterEntryPointUtils.getPackagedProgram( + clusterConfiguration, configuration); + ApplicationClusterEntryPoint.configureExecution(configuration, program); + + final ApplicationModeMiniCluster miniCluster = + new ApplicationModeMiniCluster( + buildMiniClusterConfiguration(configuration, pluginManager), program); + miniCluster.start(); + Runtime.getRuntime() + .addShutdownHook( + new Thread( + () -> { + if (STOPPING.compareAndSet(false, true)) { + closeQuietly(miniCluster, SHUTDOWN_HOOK_TIMEOUT); + } + })); Review Comment: fixed in 5e33ba8c184 -- This is an automated message from the Apache Git Service. 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