YARN-7644. NM gets backed up deleting docker containers. Contributed by Chandni Singh
This commit is contained in:
Jason Lowe
parent
cd280514b8
commit
5ce70e1211
@ -0,0 +1,229 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher;
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import com.google.common.base.Preconditions;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.FileContext;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.util.Shell;
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import org.apache.hadoop.util.StringUtils;
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import org.apache.hadoop.yarn.api.records.ContainerId;
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import org.apache.hadoop.yarn.conf.YarnConfiguration;
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import org.apache.hadoop.yarn.event.Dispatcher;
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import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor;
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import org.apache.hadoop.yarn.server.nodemanager.Context;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerDiagnosticsUpdateEvent;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerEventType;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerExitEvent;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.DockerLinuxContainerRuntime;
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import org.apache.hadoop.yarn.server.nodemanager.executor.ContainerReapContext;
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import org.apache.hadoop.yarn.server.nodemanager.executor.ContainerSignalContext;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.IOException;
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import static org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.EXIT_CODE_FILE_SUFFIX;
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/**
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* Cleanup the container.
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* Cancels the launch if launch has not started yet or signals
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* the executor to not execute the process if not already done so.
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* Also, sends a SIGTERM followed by a SIGKILL to the process if
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* the process id is available.
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*/
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public class ContainerCleanup implements Runnable {
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private static final Logger LOG =
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LoggerFactory.getLogger(ContainerCleanup.class);
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private final Context context;
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private final Configuration conf;
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private final Dispatcher dispatcher;
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private final ContainerExecutor exec;
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private final Container container;
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private final ContainerLaunch launch;
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private final long sleepDelayBeforeSigKill;
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public ContainerCleanup(Context context, Configuration configuration,
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Dispatcher dispatcher, ContainerExecutor exec,
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Container container,
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ContainerLaunch containerLaunch) {
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this.context = Preconditions.checkNotNull(context, "context");
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this.conf = Preconditions.checkNotNull(configuration, "config");
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this.dispatcher = Preconditions.checkNotNull(dispatcher, "dispatcher");
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this.exec = Preconditions.checkNotNull(exec, "exec");
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this.container = Preconditions.checkNotNull(container, "container");
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this.launch = Preconditions.checkNotNull(containerLaunch, "launch");
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this.sleepDelayBeforeSigKill = conf.getLong(
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YarnConfiguration.NM_SLEEP_DELAY_BEFORE_SIGKILL_MS,
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YarnConfiguration.DEFAULT_NM_SLEEP_DELAY_BEFORE_SIGKILL_MS);
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}
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@Override
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public void run() {
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ContainerId containerId = container.getContainerId();
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String containerIdStr = containerId.toString();
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LOG.info("Cleaning up container " + containerIdStr);
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try {
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context.getNMStateStore().storeContainerKilled(containerId);
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} catch (IOException e) {
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LOG.error("Unable to mark container " + containerId
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+ " killed in store", e);
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}
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// launch flag will be set to true if process already launched
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boolean alreadyLaunched = !launch.markLaunched();
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if (!alreadyLaunched) {
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LOG.info("Container " + containerIdStr + " not launched."
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+ " No cleanup needed to be done");
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return;
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}
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if (LOG.isDebugEnabled()) {
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LOG.debug("Marking container " + containerIdStr + " as inactive");
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}
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// this should ensure that if the container process has not launched
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// by this time, it will never be launched
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exec.deactivateContainer(containerId);
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Path pidFilePath = launch.getPidFilePath();
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if (LOG.isDebugEnabled()) {
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LOG.debug("Getting pid for container {} to kill"
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+ " from pid file {}", containerIdStr, pidFilePath != null ?
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pidFilePath : "null");
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}
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// however the container process may have already started
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try {
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// get process id from pid file if available
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// else if shell is still active, get it from the shell
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String processId = launch.getContainerPid();
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// kill process
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String user = container.getUser();
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if (processId != null) {
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signalProcess(processId, user, containerIdStr);
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} else {
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// Normally this means that the process was notified about
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// deactivateContainer above and did not start.
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// Since we already set the state to RUNNING or REINITIALIZING
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// we have to send a killed event to continue.
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if (!launch.isLaunchCompleted()) {
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LOG.warn("Container clean up before pid file created "
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+ containerIdStr);
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dispatcher.getEventHandler().handle(
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new ContainerExitEvent(container.getContainerId(),
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ContainerEventType.CONTAINER_KILLED_ON_REQUEST,
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Shell.WINDOWS ?
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ContainerExecutor.ExitCode.FORCE_KILLED.getExitCode() :
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ContainerExecutor.ExitCode.TERMINATED.getExitCode(),
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"Container terminated before pid file created."));
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// There is a possibility that the launch grabbed the file name before
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// the deactivateContainer above but it was slow enough to avoid
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// getContainerPid.
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// Increasing YarnConfiguration.NM_PROCESS_KILL_WAIT_MS
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// reduces the likelihood of this race condition and process leak.
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}
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// The Docker container may not have fully started, reap the container.
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if (DockerLinuxContainerRuntime.isDockerContainerRequested(conf,
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container.getLaunchContext().getEnvironment())) {
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reapDockerContainerNoPid(user);
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}
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}
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} catch (Exception e) {
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String message =
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"Exception when trying to cleanup container " + containerIdStr
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+ ": " + StringUtils.stringifyException(e);
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LOG.warn(message);
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dispatcher.getEventHandler().handle(
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new ContainerDiagnosticsUpdateEvent(containerId, message));
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} finally {
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// cleanup pid file if present
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if (pidFilePath != null) {
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try {
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FileContext lfs = FileContext.getLocalFSFileContext();
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lfs.delete(pidFilePath, false);
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lfs.delete(pidFilePath.suffix(EXIT_CODE_FILE_SUFFIX), false);
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} catch (IOException ioe) {
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LOG.warn("{} exception trying to delete pid file {}. Ignoring.",
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containerId, pidFilePath, ioe);
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}
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}
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}
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try {
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// Reap the container
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launch.reapContainer();
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} catch (IOException ioe) {
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LOG.warn("{} exception trying to reap container. Ignoring.", containerId,
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ioe);
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}
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}
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private void signalProcess(String processId, String user,
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String containerIdStr) throws IOException {
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if (LOG.isDebugEnabled()) {
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LOG.debug("Sending signal to pid " + processId + " as user " + user
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+ " for container " + containerIdStr);
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}
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final ContainerExecutor.Signal signal =
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sleepDelayBeforeSigKill > 0 ? ContainerExecutor.Signal.TERM :
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ContainerExecutor.Signal.KILL;
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boolean result = sendSignal(user, processId, signal);
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if (LOG.isDebugEnabled()) {
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LOG.debug("Sent signal " + signal + " to pid " + processId + " as user "
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+ user + " for container " + containerIdStr + ", result="
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+ (result ? "success" : "failed"));
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}
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if (sleepDelayBeforeSigKill > 0) {
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new ContainerExecutor.DelayedProcessKiller(container, user, processId,
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sleepDelayBeforeSigKill, ContainerExecutor.Signal.KILL, exec).start();
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}
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}
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private boolean sendSignal(String user, String processId,
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ContainerExecutor.Signal signal)
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throws IOException {
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return exec.signalContainer(
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new ContainerSignalContext.Builder().setContainer(container)
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.setUser(user).setPid(processId).setSignal(signal).build());
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}
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private void reapDockerContainerNoPid(String user) throws IOException {
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String containerIdStr =
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container.getContainerTokenIdentifier().getContainerID().toString();
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LOG.info("Unable to obtain pid, but docker container request detected. "
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+ "Attempting to reap container " + containerIdStr);
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boolean result = exec.reapContainer(
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new ContainerReapContext.Builder()
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.setContainer(container)
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.setUser(container.getUser())
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.build());
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if (LOG.isDebugEnabled()) {
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LOG.debug("Sent signal to docker container " + containerIdStr
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+ " as user " + user + ", result=" + (result ? "success" : "failed"));
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}
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}
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}
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@ -70,7 +70,6 @@
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import org.apache.hadoop.yarn.exceptions.YarnException;
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import org.apache.hadoop.yarn.ipc.RPCUtil;
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import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor;
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import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor.DelayedProcessKiller;
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import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor.ExitCode;
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import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor.Signal;
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import org.apache.hadoop.yarn.server.nodemanager.Context;
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@ -85,7 +84,6 @@
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerExitEvent;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerKillEvent;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerState;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.DockerLinuxContainerRuntime;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ContainerLocalizer;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService;
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import org.apache.hadoop.yarn.server.nodemanager.executor.ContainerPrepareContext;
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@ -115,7 +113,7 @@ public class ContainerLaunch implements Callable<Integer> {
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public static final String FINAL_CONTAINER_TOKENS_FILE = "container_tokens";
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private static final String PID_FILE_NAME_FMT = "%s.pid";
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private static final String EXIT_CODE_FILE_SUFFIX = ".exitcode";
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static final String EXIT_CODE_FILE_SUFFIX = ".exitcode";
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protected final Dispatcher dispatcher;
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protected final ContainerExecutor exec;
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@ -131,7 +129,6 @@ public class ContainerLaunch implements Callable<Integer> {
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protected AtomicBoolean completed = new AtomicBoolean(false);
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private volatile boolean killedBeforeStart = false;
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private long sleepDelayBeforeSigKill = 250;
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private long maxKillWaitTime = 2000;
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protected Path pidFilePath = null;
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@ -152,9 +149,6 @@ public ContainerLaunch(Context context, Configuration configuration,
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this.dispatcher = dispatcher;
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this.dirsHandler = dirsHandler;
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this.containerManager = containerManager;
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this.sleepDelayBeforeSigKill =
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conf.getLong(YarnConfiguration.NM_SLEEP_DELAY_BEFORE_SIGKILL_MS,
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YarnConfiguration.DEFAULT_NM_SLEEP_DELAY_BEFORE_SIGKILL_MS);
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this.maxKillWaitTime =
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conf.getLong(YarnConfiguration.NM_PROCESS_KILL_WAIT_MS,
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YarnConfiguration.DEFAULT_NM_PROCESS_KILL_WAIT_MS);
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@ -515,6 +509,25 @@ protected int relaunchContainer(ContainerStartContext ctx)
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return launchPrep;
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}
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void reapContainer() throws IOException {
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containerExecLock.lock();
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try {
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// Reap the container
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boolean result = exec.reapContainer(
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new ContainerReapContext.Builder()
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.setContainer(container)
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.setUser(container.getUser())
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.build());
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if (!result) {
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throw new IOException("Reap container failed for container " +
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container.getContainerId());
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}
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cleanupContainerFiles(getContainerWorkDir());
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} finally {
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containerExecLock.unlock();
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}
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}
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protected int prepareForLaunch(ContainerStartContext ctx) throws IOException {
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ContainerId containerId = container.getContainerId();
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if (container.isMarkedForKilling()) {
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@ -721,121 +734,6 @@ protected String getPidFileSubpath(String appIdStr, String containerIdStr) {
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return getContainerPrivateDir(appIdStr, containerIdStr) + Path.SEPARATOR
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+ String.format(ContainerLaunch.PID_FILE_NAME_FMT, containerIdStr);
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}
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/**
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* Cleanup the container.
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* Cancels the launch if launch has not started yet or signals
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* the executor to not execute the process if not already done so.
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* Also, sends a SIGTERM followed by a SIGKILL to the process if
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* the process id is available.
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* @throws IOException
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*/
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public void cleanupContainer() throws IOException {
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ContainerId containerId = container.getContainerId();
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String containerIdStr = containerId.toString();
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LOG.info("Cleaning up container " + containerIdStr);
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try {
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context.getNMStateStore().storeContainerKilled(containerId);
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} catch (IOException e) {
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LOG.error("Unable to mark container " + containerId
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+ " killed in store", e);
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}
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// launch flag will be set to true if process already launched
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boolean alreadyLaunched =
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!containerAlreadyLaunched.compareAndSet(false, true);
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if (!alreadyLaunched) {
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LOG.info("Container " + containerIdStr + " not launched."
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+ " No cleanup needed to be done");
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return;
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}
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if (LOG.isDebugEnabled()) {
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LOG.debug("Marking container " + containerIdStr + " as inactive");
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}
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// this should ensure that if the container process has not launched
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// by this time, it will never be launched
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exec.deactivateContainer(containerId);
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if (LOG.isDebugEnabled()) {
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LOG.debug("Getting pid for container " + containerIdStr + " to kill"
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+ " from pid file "
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+ (pidFilePath != null ? pidFilePath.toString() : "null"));
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}
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// however the container process may have already started
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try {
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// get process id from pid file if available
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// else if shell is still active, get it from the shell
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String processId = null;
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if (pidFilePath != null) {
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processId = getContainerPid(pidFilePath);
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}
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// kill process
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String user = container.getUser();
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if (processId != null) {
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signalProcess(processId, user, containerIdStr);
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} else {
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// Normally this means that the process was notified about
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// deactivateContainer above and did not start.
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// Since we already set the state to RUNNING or REINITIALIZING
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// we have to send a killed event to continue.
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if (!completed.get()) {
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LOG.warn("Container clean up before pid file created "
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+ containerIdStr);
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dispatcher.getEventHandler().handle(
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new ContainerExitEvent(container.getContainerId(),
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ContainerEventType.CONTAINER_KILLED_ON_REQUEST,
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Shell.WINDOWS ? ExitCode.FORCE_KILLED.getExitCode() :
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ExitCode.TERMINATED.getExitCode(),
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"Container terminated before pid file created."));
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// There is a possibility that the launch grabbed the file name before
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// the deactivateContainer above but it was slow enough to avoid
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// getContainerPid.
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// Increasing YarnConfiguration.NM_PROCESS_KILL_WAIT_MS
|
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// reduces the likelihood of this race condition and process leak.
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}
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// The Docker container may not have fully started, reap the container.
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if (DockerLinuxContainerRuntime.isDockerContainerRequested(
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conf,
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container.getLaunchContext().getEnvironment())) {
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reapDockerContainerNoPid(user);
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}
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}
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} catch (Exception e) {
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String message =
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"Exception when trying to cleanup container " + containerIdStr
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+ ": " + StringUtils.stringifyException(e);
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LOG.warn(message);
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dispatcher.getEventHandler().handle(
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new ContainerDiagnosticsUpdateEvent(containerId, message));
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} finally {
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// cleanup pid file if present
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if (pidFilePath != null) {
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FileContext lfs = FileContext.getLocalFSFileContext();
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lfs.delete(pidFilePath, false);
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lfs.delete(pidFilePath.suffix(EXIT_CODE_FILE_SUFFIX), false);
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}
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}
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containerExecLock.lock();
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try {
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// Reap the container
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boolean result = exec.reapContainer(
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new ContainerReapContext.Builder()
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.setContainer(container)
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.setUser(container.getUser())
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.build());
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if (!result) {
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throw new IOException("Reap container failed for container "
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+ containerIdStr);
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}
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cleanupContainerFiles(getContainerWorkDir());
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} finally {
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containerExecLock.unlock();
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}
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}
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/**
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* Send a signal to the container.
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@ -874,11 +772,7 @@ public void signalContainer(SignalContainerCommand command)
|
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try {
|
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// get process id from pid file if available
|
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// else if shell is still active, get it from the shell
|
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String processId = null;
|
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if (pidFilePath != null) {
|
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processId = getContainerPid(pidFilePath);
|
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}
|
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|
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String processId = getContainerPid();
|
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if (processId != null) {
|
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if (LOG.isDebugEnabled()) {
|
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LOG.debug("Sending signal to pid " + processId
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@ -912,50 +806,6 @@ public void signalContainer(SignalContainerCommand command)
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}
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}
|
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|
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private boolean sendSignal(String user, String processId, Signal signal)
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throws IOException {
|
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return exec.signalContainer(
|
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new ContainerSignalContext.Builder().setContainer(container)
|
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.setUser(user).setPid(processId).setSignal(signal).build());
|
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}
|
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|
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private void signalProcess(String processId, String user,
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String containerIdStr) throws IOException {
|
||||
if (LOG.isDebugEnabled()) {
|
||||
LOG.debug("Sending signal to pid " + processId + " as user " + user
|
||||
+ " for container " + containerIdStr);
|
||||
}
|
||||
final Signal signal =
|
||||
sleepDelayBeforeSigKill > 0 ? Signal.TERM : Signal.KILL;
|
||||
|
||||
boolean result = sendSignal(user, processId, signal);
|
||||
if (LOG.isDebugEnabled()) {
|
||||
LOG.debug("Sent signal " + signal + " to pid " + processId + " as user "
|
||||
+ user + " for container " + containerIdStr + ", result="
|
||||
+ (result ? "success" : "failed"));
|
||||
}
|
||||
if (sleepDelayBeforeSigKill > 0) {
|
||||
new DelayedProcessKiller(container, user, processId,
|
||||
sleepDelayBeforeSigKill, Signal.KILL, exec).start();
|
||||
}
|
||||
}
|
||||
|
||||
private void reapDockerContainerNoPid(String user) throws IOException {
|
||||
String containerIdStr =
|
||||
container.getContainerTokenIdentifier().getContainerID().toString();
|
||||
LOG.info("Unable to obtain pid, but docker container request detected. "
|
||||
+ "Attempting to reap container " + containerIdStr);
|
||||
boolean result = exec.reapContainer(
|
||||
new ContainerReapContext.Builder()
|
||||
.setContainer(container)
|
||||
.setUser(container.getUser())
|
||||
.build());
|
||||
if (LOG.isDebugEnabled()) {
|
||||
LOG.debug("Sent signal to docker container " + containerIdStr
|
||||
+ " as user " + user + ", result=" + (result ? "success" : "failed"));
|
||||
}
|
||||
}
|
||||
|
||||
@VisibleForTesting
|
||||
public static Signal translateCommandToSignal(
|
||||
SignalContainerCommand command) {
|
||||
@ -1076,14 +926,16 @@ public void resumeContainer() throws IOException {
|
||||
/**
|
||||
* Loop through for a time-bounded interval waiting to
|
||||
* read the process id from a file generated by a running process.
|
||||
* @param pidFilePath File from which to read the process id
|
||||
* @return Process ID
|
||||
* @return Process ID; null when pidFilePath is null
|
||||
* @throws Exception
|
||||
*/
|
||||
private String getContainerPid(Path pidFilePath) throws Exception {
|
||||
String getContainerPid() throws Exception {
|
||||
if (pidFilePath == null) {
|
||||
return null;
|
||||
}
|
||||
String containerIdStr =
|
||||
container.getContainerId().toString();
|
||||
String processId = null;
|
||||
String processId;
|
||||
if (LOG.isDebugEnabled()) {
|
||||
LOG.debug("Accessing pid for container " + containerIdStr
|
||||
+ " from pid file " + pidFilePath);
|
||||
@ -1889,4 +1741,28 @@ private void deleteAsUser(Path path) {
|
||||
LOG.warn("Failed to delete " + path, e);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the PID File Path.
|
||||
*/
|
||||
Path getPidFilePath() {
|
||||
return pidFilePath;
|
||||
}
|
||||
|
||||
/**
|
||||
* Marks the container to be launched only if it was not launched.
|
||||
*
|
||||
* @return true if successful; false otherwise.
|
||||
*/
|
||||
boolean markLaunched() {
|
||||
return containerAlreadyLaunched.compareAndSet(false, true);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns if the launch is completed or not.
|
||||
*/
|
||||
boolean isLaunchCompleted() {
|
||||
return completed.get();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@ -25,7 +25,6 @@
|
||||
import java.util.concurrent.ExecutorService;
|
||||
|
||||
import org.apache.hadoop.util.Shell;
|
||||
import org.apache.hadoop.yarn.api.records.ContainerExitStatus;
|
||||
import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerEventType;
|
||||
import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerExitEvent;
|
||||
import org.slf4j.Logger;
|
||||
@ -154,8 +153,8 @@ public void handle(ContainersLauncherEvent event) {
|
||||
break;
|
||||
case CLEANUP_CONTAINER:
|
||||
case CLEANUP_CONTAINER_FOR_REINIT:
|
||||
ContainerLaunch launcher = running.remove(containerId);
|
||||
if (launcher == null) {
|
||||
ContainerLaunch existingLaunch = running.remove(containerId);
|
||||
if (existingLaunch == null) {
|
||||
// Container not launched.
|
||||
// triggering KILLING to CONTAINER_CLEANEDUP_AFTER_KILL transition.
|
||||
dispatcher.getEventHandler().handle(
|
||||
@ -169,12 +168,9 @@ public void handle(ContainersLauncherEvent event) {
|
||||
|
||||
// Cleanup a container whether it is running/killed/completed, so that
|
||||
// no sub-processes are alive.
|
||||
try {
|
||||
launcher.cleanupContainer();
|
||||
} catch (IOException e) {
|
||||
LOG.warn("Got exception while cleaning container " + containerId
|
||||
+ ". Ignoring.");
|
||||
}
|
||||
ContainerCleanup cleanup = new ContainerCleanup(context, getConfig(),
|
||||
dispatcher, exec, event.getContainer(), existingLaunch);
|
||||
containerLauncher.submit(cleanup);
|
||||
break;
|
||||
case SIGNAL_CONTAINER:
|
||||
SignalContainersLauncherEvent signalEvent =
|
||||
|
||||
@ -0,0 +1,108 @@
|
||||
/**
|
||||
* 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.hadoop.yarn.server.nodemanager.containermanager.launcher;
|
||||
|
||||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
|
||||
import org.apache.hadoop.yarn.api.records.ApplicationId;
|
||||
import org.apache.hadoop.yarn.api.records.ContainerId;
|
||||
import org.apache.hadoop.yarn.api.records.SignalContainerCommand;
|
||||
import org.apache.hadoop.yarn.conf.YarnConfiguration;
|
||||
import org.apache.hadoop.yarn.event.Dispatcher;
|
||||
import org.apache.hadoop.yarn.event.InlineDispatcher;
|
||||
import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor;
|
||||
import org.apache.hadoop.yarn.server.nodemanager.Context;
|
||||
import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container;
|
||||
import org.apache.hadoop.yarn.server.nodemanager.executor.ContainerSignalContext;
|
||||
import org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService;
|
||||
import org.junit.Assert;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
import org.mockito.ArgumentCaptor;
|
||||
import org.mockito.Mockito;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.concurrent.atomic.AtomicBoolean;
|
||||
|
||||
import static org.apache.hadoop.yarn.conf.YarnConfiguration.NM_SLEEP_DELAY_BEFORE_SIGKILL_MS;
|
||||
import static org.mockito.Mockito.mock;
|
||||
import static org.mockito.Mockito.verify;
|
||||
import static org.mockito.Mockito.when;
|
||||
|
||||
/**
|
||||
* Tests for {@link ContainerCleanup}.
|
||||
*/
|
||||
public class TestContainerCleanup {
|
||||
|
||||
private YarnConfiguration conf;
|
||||
private ContainerId containerId;
|
||||
private ContainerExecutor executor;
|
||||
private ContainerLaunch launch;
|
||||
private ContainerCleanup cleanup;
|
||||
|
||||
@Before
|
||||
public void setup() throws Exception {
|
||||
conf = new YarnConfiguration();
|
||||
conf.setLong(NM_SLEEP_DELAY_BEFORE_SIGKILL_MS, 60000);
|
||||
Context context = mock(Context.class);
|
||||
NMStateStoreService storeService = mock(NMStateStoreService.class);
|
||||
when(context.getNMStateStore()).thenReturn(storeService);
|
||||
|
||||
Dispatcher dispatcher = new InlineDispatcher();
|
||||
executor = mock(ContainerExecutor.class);
|
||||
when(executor.signalContainer(Mockito.any(
|
||||
ContainerSignalContext.class))).thenReturn(true);
|
||||
|
||||
ApplicationId appId = ApplicationId.newInstance(System.currentTimeMillis(),
|
||||
1);
|
||||
ApplicationAttemptId attemptId = ApplicationAttemptId.newInstance(appId, 1);
|
||||
containerId = ContainerId.newContainerId(attemptId, 1);
|
||||
Container container = mock(Container.class);
|
||||
|
||||
when(container.getContainerId()).thenReturn(containerId);
|
||||
|
||||
launch = mock(ContainerLaunch.class);
|
||||
launch.containerAlreadyLaunched = new AtomicBoolean(false);
|
||||
|
||||
launch.pidFilePath = new Path("target/" + containerId.toString() + ".pid");
|
||||
when(launch.getContainerPid()).thenReturn(containerId.toString());
|
||||
|
||||
cleanup = new ContainerCleanup(context, conf, dispatcher, executor,
|
||||
container, launch);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testNoCleanupWhenContainerNotLaunched() throws IOException {
|
||||
cleanup.run();
|
||||
verify(launch, Mockito.times(0)).signalContainer(
|
||||
Mockito.any(SignalContainerCommand.class));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCleanup() throws Exception {
|
||||
launch.containerAlreadyLaunched.set(true);
|
||||
cleanup.run();
|
||||
ArgumentCaptor<ContainerSignalContext> captor =
|
||||
ArgumentCaptor.forClass(ContainerSignalContext.class);
|
||||
|
||||
verify(executor, Mockito.times(1)).signalContainer(captor.capture());
|
||||
Assert.assertEquals("signal", ContainerExecutor.Signal.TERM,
|
||||
captor.getValue().getSignal());
|
||||
}
|
||||
}
|
||||
@ -192,12 +192,14 @@ public void testCleanupContainerEvent()
|
||||
.synchronizedMap(new HashMap<ContainerId, ContainerLaunch>());
|
||||
dummyMap.put(containerId, containerLaunch);
|
||||
Whitebox.setInternalState(spy, "running", dummyMap);
|
||||
|
||||
when(event.getType())
|
||||
.thenReturn(ContainersLauncherEventType.CLEANUP_CONTAINER);
|
||||
doNothing().when(containerLaunch).cleanupContainer();
|
||||
assertEquals(1, dummyMap.size());
|
||||
spy.handle(event);
|
||||
assertEquals(0, dummyMap.size());
|
||||
Mockito.verify(containerLaunch, Mockito.times(1)).cleanupContainer();
|
||||
Mockito.verify(containerLauncher, Mockito.times(1))
|
||||
.submit(Mockito.any(ContainerCleanup.class));
|
||||
}
|
||||
|
||||
@Test
|
||||
@ -207,12 +209,14 @@ public void testCleanupContainerForReINITEvent()
|
||||
.synchronizedMap(new HashMap<ContainerId, ContainerLaunch>());
|
||||
dummyMap.put(containerId, containerLaunch);
|
||||
Whitebox.setInternalState(spy, "running", dummyMap);
|
||||
|
||||
when(event.getType())
|
||||
.thenReturn(ContainersLauncherEventType.CLEANUP_CONTAINER_FOR_REINIT);
|
||||
doNothing().when(containerLaunch).cleanupContainer();
|
||||
assertEquals(1, dummyMap.size());
|
||||
spy.handle(event);
|
||||
assertEquals(0, dummyMap.size());
|
||||
Mockito.verify(containerLaunch, Mockito.times(1)).cleanupContainer();
|
||||
Mockito.verify(containerLauncher, Mockito.times(1))
|
||||
.submit(Mockito.any(ContainerCleanup.class));
|
||||
}
|
||||
|
||||
@Test
|
||||
|
||||
Loading…
Reference in New Issue
Block a user