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TestDockerContainerRuntime.java
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TestDockerContainerRuntime.java
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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.hadoop.yarn.server.nodemanager.containermanager.linux.runtime;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileUtil;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.DataOutputBuffer;
import org.apache.hadoop.registry.client.api.RegistryConstants;
import org.apache.hadoop.security.Credentials;
import org.apache.hadoop.util.Shell;
import org.apache.hadoop.util.StringUtils;
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.ContainerLaunchContext;
import org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService;
import org.apache.hadoop.yarn.util.DockerClientConfigHandler;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.security.TestDockerClientConfigHandler;
import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor;
import org.apache.hadoop.yarn.server.nodemanager.Context;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManager;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged.PrivilegedOperation;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged.PrivilegedOperationException;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged.PrivilegedOperationExecutor;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources.CGroupsHandler;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.docker.DockerCommandExecutor;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.docker.DockerRunCommand;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.docker.DockerVolumeCommand;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.resourceplugin.DockerCommandPlugin;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.resourceplugin.ResourcePlugin;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.resourceplugin.ResourcePluginManager;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.LocalizedResource;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerExecutionException;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerRuntimeConstants;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerRuntimeContext;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.mockito.ArgumentCaptor;
import org.mockito.Mockito;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.file.attribute.FileAttribute;
import java.nio.file.attribute.PosixFilePermission;
import java.nio.file.attribute.PosixFilePermissions;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.Set;
import java.util.concurrent.ConcurrentMap;
import static org.apache.hadoop.yarn.conf.YarnConfiguration.NM_DOCKER_DEFAULT_RO_MOUNTS;
import static org.apache.hadoop.yarn.conf.YarnConfiguration.NM_DOCKER_DEFAULT_RW_MOUNTS;
import static org.apache.hadoop.yarn.conf.YarnConfiguration.NM_DOCKER_DEFAULT_TMPFS_MOUNTS;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.APPID;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.APPLICATION_LOCAL_DIRS;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.CONTAINER_ID_STR;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.CONTAINER_LOG_DIRS;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.CONTAINER_WORK_DIR;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.FILECACHE_DIRS;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.LOCALIZED_RESOURCES;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.LOCAL_DIRS;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.LOG_DIRS;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.NM_PRIVATE_CONTAINER_SCRIPT_PATH;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.NM_PRIVATE_KEYSTORE_PATH;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.NM_PRIVATE_TOKENS_PATH;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.NM_PRIVATE_TRUSTSTORE_PATH;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.PID;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.PID_FILE_PATH;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.PROCFS;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.RESOURCES_OPTIONS;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.RUN_AS_USER;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.SIGNAL;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.USER;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.USER_FILECACHE_DIRS;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.OCIContainerRuntime.CONTAINER_PID_NAMESPACE_SUFFIX;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.OCIContainerRuntime.RUN_PRIVILEGED_CONTAINER_SUFFIX;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.OCIContainerRuntime.formatOciEnvKey;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.Mockito.any;
import static org.mockito.Mockito.anyBoolean;
import static org.mockito.Mockito.anyMap;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
@RunWith(Parameterized.class)
public class TestDockerContainerRuntime {
private static final Logger LOG =
LoggerFactory.getLogger(TestDockerContainerRuntime.class);
private Configuration conf;
private PrivilegedOperationExecutor mockExecutor;
private CGroupsHandler mockCGroupsHandler;
private String containerId;
private Container container;
private ContainerId cId;
private ApplicationAttemptId appAttemptId;
private ApplicationId mockApplicationId;
private ContainerLaunchContext context;
private Context nmContext;
private HashMap<String, String> env;
private String image;
private String uidGidPair;
private String runAsUser = System.getProperty("user.name");
private String[] groups = {};
private String user;
private String appId;
private String containerIdStr = containerId;
private Path containerWorkDir;
private Path nmPrivateContainerScriptPath;
private Path nmPrivateTokensPath;
private Path nmPrivateKeystorePath;
private Path nmPrivateTruststorePath;
private Path pidFilePath;
private List<String> localDirs;
private List<String> logDirs;
private List<String> filecacheDirs;
private List<String> userFilecacheDirs;
private List<String> applicationLocalDirs;
private List<String> containerLogDirs;
private Map<Path, List<String>> localizedResources;
private String resourcesOptions;
private ContainerRuntimeContext.Builder builder;
private final String submittingUser = "anakin";
private final String whitelistedUser = "yoda";
private String[] testCapabilities;
private final String signalPid = "1234";
private final String tmpPath =
new StringBuffer(System.getProperty("test.build.data"))
.append('/').append("hadoop.tmp.dir").toString();
private static final String RUNTIME_TYPE = "DOCKER";
private final static String ENV_OCI_CONTAINER_PID_NAMESPACE =
formatOciEnvKey(RUNTIME_TYPE, CONTAINER_PID_NAMESPACE_SUFFIX);
private final static String ENV_OCI_CONTAINER_RUN_PRIVILEGED_CONTAINER =
formatOciEnvKey(RUNTIME_TYPE, RUN_PRIVILEGED_CONTAINER_SUFFIX);
@Rule
public TemporaryFolder tempDir = new TemporaryFolder();
@Parameterized.Parameters(name = "https={0}")
public static Collection<Object[]> data() {
return Arrays.asList(new Object[][] {
{true}, {false}
});
}
@Parameterized.Parameter
public boolean https;
@Before
public void setup() {
conf = new Configuration();
conf.set("hadoop.tmp.dir", tmpPath);
mockExecutor = Mockito
.mock(PrivilegedOperationExecutor.class);
mockCGroupsHandler = Mockito.mock(CGroupsHandler.class);
containerId = "container_e11_1518975676334_14532816_01_000001";
container = mock(Container.class);
cId = mock(ContainerId.class);
appAttemptId = mock(ApplicationAttemptId.class);
mockApplicationId = mock(ApplicationId.class);
context = mock(ContainerLaunchContext.class);
env = new HashMap<String, String>();
env.put("FROM_CLIENT", "1");
image = "busybox:latest";
nmContext = createMockNMContext();
env.put(DockerLinuxContainerRuntime.ENV_DOCKER_CONTAINER_IMAGE, image);
when(container.getContainerId()).thenReturn(cId);
when(cId.toString()).thenReturn(containerId);
when(mockApplicationId.toString()).thenReturn("applicationId");
when(appAttemptId.getApplicationId()).thenReturn(mockApplicationId);
when(cId.getApplicationAttemptId()).thenReturn(appAttemptId);
when(container.getLaunchContext()).thenReturn(context);
when(context.getEnvironment()).thenReturn(env);
when(container.getUser()).thenReturn(submittingUser);
// Get the running user's uid and gid for remap
String uid = "";
String gid = "";
Shell.ShellCommandExecutor shexec1 = new Shell.ShellCommandExecutor(
new String[]{"id", "-u", runAsUser});
Shell.ShellCommandExecutor shexec2 = new Shell.ShellCommandExecutor(
new String[]{"id", "-g", runAsUser});
Shell.ShellCommandExecutor shexec3 = new Shell.ShellCommandExecutor(
new String[]{"id", "-G", runAsUser});
try {
shexec1.execute();
// get rid of newline at the end
uid = shexec1.getOutput().replaceAll("\n$", "");
} catch (Exception e) {
LOG.info("Could not run id -u command: " + e);
}
try {
shexec2.execute();
// get rid of newline at the end
gid = shexec2.getOutput().replaceAll("\n$", "");
} catch (Exception e) {
LOG.info("Could not run id -g command: " + e);
}
try {
shexec3.execute();
groups = shexec3.getOutput().replace("\n", " ").split(" ");
} catch (Exception e) {
LOG.info("Could not run id -G command: " + e);
}
uidGidPair = uid + ":" + gid;
// Prevent gid threshold failures for these tests
conf.setInt(YarnConfiguration.NM_DOCKER_USER_REMAPPING_GID_THRESHOLD, 0);
user = submittingUser;
appId = "app_id";
containerIdStr = containerId;
containerWorkDir = new Path("/test_container_work_dir");
nmPrivateContainerScriptPath = new Path("/test_script_path");
nmPrivateTokensPath = new Path("/test_private_tokens_path");
if (https) {
nmPrivateKeystorePath = new Path("/test_private_keystore_path");
nmPrivateTruststorePath = new Path("/test_private_truststore_path");
} else {
nmPrivateKeystorePath = null;
nmPrivateTruststorePath = null;
}
pidFilePath = new Path("/test_pid_file_path");
localDirs = new ArrayList<>();
logDirs = new ArrayList<>();
filecacheDirs = new ArrayList<>();
resourcesOptions = "cgroups=none";
userFilecacheDirs = new ArrayList<>();
applicationLocalDirs = new ArrayList<>();
containerLogDirs = new ArrayList<>();
localizedResources = new HashMap<>();
localDirs.add("/test_local_dir");
logDirs.add("/test_log_dir");
filecacheDirs.add("/test_filecache_dir");
userFilecacheDirs.add("/test_user_filecache_dir");
applicationLocalDirs.add("/test_application_local_dir");
containerLogDirs.add("/test_container_log_dir");
localizedResources.put(new Path("/test_local_dir/test_resource_file"),
Collections.singletonList("test_dir/test_resource_file"));
File tmpDir = new File(tmpPath);
tmpDir.mkdirs();
testCapabilities = new String[] {"NET_BIND_SERVICE", "SYS_CHROOT"};
conf.setStrings(YarnConfiguration.NM_DOCKER_CONTAINER_CAPABILITIES,
testCapabilities);
builder = new ContainerRuntimeContext
.Builder(container);
builder.setExecutionAttribute(RUN_AS_USER, runAsUser)
.setExecutionAttribute(USER, user)
.setExecutionAttribute(APPID, appId)
.setExecutionAttribute(CONTAINER_ID_STR, containerIdStr)
.setExecutionAttribute(CONTAINER_WORK_DIR, containerWorkDir)
.setExecutionAttribute(NM_PRIVATE_CONTAINER_SCRIPT_PATH,
nmPrivateContainerScriptPath)
.setExecutionAttribute(NM_PRIVATE_TOKENS_PATH, nmPrivateTokensPath)
.setExecutionAttribute(NM_PRIVATE_KEYSTORE_PATH, nmPrivateKeystorePath)
.setExecutionAttribute(NM_PRIVATE_TRUSTSTORE_PATH,
nmPrivateTruststorePath)
.setExecutionAttribute(PID_FILE_PATH, pidFilePath)
.setExecutionAttribute(LOCAL_DIRS, localDirs)
.setExecutionAttribute(LOG_DIRS, logDirs)
.setExecutionAttribute(FILECACHE_DIRS, filecacheDirs)
.setExecutionAttribute(USER_FILECACHE_DIRS, userFilecacheDirs)
.setExecutionAttribute(APPLICATION_LOCAL_DIRS, applicationLocalDirs)
.setExecutionAttribute(CONTAINER_LOG_DIRS, containerLogDirs)
.setExecutionAttribute(LOCALIZED_RESOURCES, localizedResources)
.setExecutionAttribute(RESOURCES_OPTIONS, resourcesOptions);
}
@After
public void cleanUp() throws IOException {
File tmpDir = new File(tmpPath);
FileUtils.deleteDirectory(tmpDir);
}
public Context createMockNMContext() {
Context mockNMContext = mock(Context.class);
LocalDirsHandlerService localDirsHandler =
mock(LocalDirsHandlerService.class);
ResourcePluginManager resourcePluginManager =
mock(ResourcePluginManager.class);
ConcurrentMap<ContainerId, Container> containerMap =
mock(ConcurrentMap.class);
when(mockNMContext.getLocalDirsHandler()).thenReturn(localDirsHandler);
when(mockNMContext.getResourcePluginManager())
.thenReturn(resourcePluginManager);
when(mockNMContext.getContainers()).thenReturn(containerMap);
when(containerMap.get(any())).thenReturn(container);
ContainerManager mockContainerManager = mock(ContainerManager.class);
ResourceLocalizationService mockLocalzationService =
mock(ResourceLocalizationService.class);
LocalizedResource mockLocalizedResource = mock(LocalizedResource.class);
when(mockLocalizedResource.getLocalPath()).thenReturn(
new Path("/local/layer1"));
when(mockLocalzationService.getLocalizedResource(any(), anyString(), any()))
.thenReturn(mockLocalizedResource);
when(mockContainerManager.getResourceLocalizationService())
.thenReturn(mockLocalzationService);
when(mockNMContext.getContainerManager()).thenReturn(mockContainerManager);
try {
when(localDirsHandler.getLocalPathForWrite(anyString()))
.thenReturn(new Path(tmpPath));
} catch (IOException ioe) {
LOG.info("LocalDirsHandler failed" + ioe);
}
return mockNMContext;
}
@Test
public void testSelectDockerContainerType() {
Map<String, String> envDockerType = new HashMap<>();
Map<String, String> envOtherType = new HashMap<>();
envDockerType.put(ContainerRuntimeConstants.ENV_CONTAINER_TYPE,
ContainerRuntimeConstants.CONTAINER_RUNTIME_DOCKER);
envOtherType.put(ContainerRuntimeConstants.ENV_CONTAINER_TYPE, "other");
Assert.assertEquals(false, DockerLinuxContainerRuntime
.isDockerContainerRequested(conf, null));
Assert.assertEquals(true, DockerLinuxContainerRuntime
.isDockerContainerRequested(conf, envDockerType));
Assert.assertEquals(false, DockerLinuxContainerRuntime
.isDockerContainerRequested(conf, envOtherType));
}
@Test
public void testSelectDockerContainerTypeWithDockerAsDefault() {
Map<String, String> envDockerType = new HashMap<>();
Map<String, String> envOtherType = new HashMap<>();
conf.set(YarnConfiguration.LINUX_CONTAINER_RUNTIME_TYPE,
ContainerRuntimeConstants.CONTAINER_RUNTIME_DOCKER);
envDockerType.put(ContainerRuntimeConstants.ENV_CONTAINER_TYPE,
ContainerRuntimeConstants.CONTAINER_RUNTIME_DOCKER);
envOtherType.put(ContainerRuntimeConstants.ENV_CONTAINER_TYPE, "other");
Assert.assertEquals(true, DockerLinuxContainerRuntime
.isDockerContainerRequested(conf, null));
Assert.assertEquals(true, DockerLinuxContainerRuntime
.isDockerContainerRequested(conf, envDockerType));
Assert.assertEquals(false, DockerLinuxContainerRuntime
.isDockerContainerRequested(conf, envOtherType));
}
@Test
public void testSelectDockerContainerTypeWithDefaultSet() {
Map<String, String> envDockerType = new HashMap<>();
Map<String, String> envOtherType = new HashMap<>();
conf.set(YarnConfiguration.LINUX_CONTAINER_RUNTIME_TYPE, "default");
envDockerType.put(ContainerRuntimeConstants.ENV_CONTAINER_TYPE,
ContainerRuntimeConstants.CONTAINER_RUNTIME_DOCKER);
envOtherType.put(ContainerRuntimeConstants.ENV_CONTAINER_TYPE, "other");
Assert.assertEquals(false, DockerLinuxContainerRuntime
.isDockerContainerRequested(conf, null));
Assert.assertEquals(true, DockerLinuxContainerRuntime
.isDockerContainerRequested(conf, envDockerType));
Assert.assertEquals(false, DockerLinuxContainerRuntime
.isDockerContainerRequested(conf, envOtherType));
}
private PrivilegedOperation capturePrivilegedOperation()
throws PrivilegedOperationException {
return capturePrivilegedOperation(1);
}
private PrivilegedOperation capturePrivilegedOperation(int invocations)
throws PrivilegedOperationException {
ArgumentCaptor<PrivilegedOperation> opCaptor = ArgumentCaptor.forClass(
PrivilegedOperation.class);
verify(mockExecutor, times(invocations))
.executePrivilegedOperation(any(), opCaptor.capture(), any(),
any(), anyBoolean(), anyBoolean());
//verification completed. we need to isolate specific invocations.
// hence, reset mock here
Mockito.reset(mockExecutor);
return opCaptor.getValue();
}
@SuppressWarnings("unchecked")
private PrivilegedOperation capturePrivilegedOperationAndVerifyArgs()
throws PrivilegedOperationException {
PrivilegedOperation op = capturePrivilegedOperation();
Assert.assertEquals(PrivilegedOperation.OperationType
.LAUNCH_DOCKER_CONTAINER, op.getOperationType());
List<String> args = op.getArguments();
//This invocation of container-executor should use 15 or 13 arguments in a
// specific order
int expected = (https) ? 15 : 13;
int counter = 1;
Assert.assertEquals(expected, args.size());
Assert.assertEquals(user, args.get(counter++));
Assert.assertEquals(Integer.toString(PrivilegedOperation.RunAsUserCommand
.LAUNCH_DOCKER_CONTAINER.getValue()), args.get(counter++));
Assert.assertEquals(appId, args.get(counter++));
Assert.assertEquals(containerId, args.get(counter++));
Assert.assertEquals(containerWorkDir.toString(), args.get(counter++));
Assert.assertEquals(nmPrivateContainerScriptPath.toUri().toString(),
args.get(counter++));
Assert.assertEquals(nmPrivateTokensPath.toUri().getPath(),
args.get(counter++));
if (https) {
Assert.assertEquals("--https", args.get(counter++));
Assert.assertEquals(nmPrivateKeystorePath.toUri().toString(),
args.get(counter++));
Assert.assertEquals(nmPrivateTruststorePath.toUri().toString(),
args.get(counter++));
} else {
Assert.assertEquals("--http", args.get(counter++));
}
Assert.assertEquals(pidFilePath.toString(), args.get(counter++));
Assert.assertEquals(localDirs.get(0), args.get(counter++));
Assert.assertEquals(logDirs.get(0), args.get(counter++));
return op;
}
@Test
public void testDockerContainerLaunch()
throws ContainerExecutionException, PrivilegedOperationException,
IOException {
DockerLinuxContainerRuntime runtime = new DockerLinuxContainerRuntime(
mockExecutor, mockCGroupsHandler);
runtime.initialize(conf, nmContext);
runtime.launchContainer(builder.build());
List<String> dockerCommands = readDockerCommands();
int expected = 13;
int counter = 0;
Assert.assertEquals(expected, dockerCommands.size());
Assert.assertEquals("[docker-command-execution]",
dockerCommands.get(counter++));
Assert.assertEquals(" cap-add=SYS_CHROOT,NET_BIND_SERVICE",
dockerCommands.get(counter++));
Assert.assertEquals(" cap-drop=ALL", dockerCommands.get(counter++));
Assert.assertEquals(" detach=true", dockerCommands.get(counter++));
Assert.assertEquals(" docker-command=run", dockerCommands.get(counter++));
Assert.assertEquals(" group-add=" + String.join(",", groups),
dockerCommands.get(counter++));
Assert
.assertEquals(" image=busybox:latest", dockerCommands.get(counter++));
Assert.assertEquals(
" launch-command=bash,/test_container_work_dir/launch_container.sh",
dockerCommands.get(counter++));
Assert.assertEquals(" mounts="
+ "/test_container_log_dir:/test_container_log_dir:rw,"
+ "/test_application_local_dir:/test_application_local_dir:rw,"
+ "/test_filecache_dir:/test_filecache_dir:ro,"
+ "/test_user_filecache_dir:/test_user_filecache_dir:ro",
dockerCommands.get(counter++));
Assert.assertEquals(
" name=container_e11_1518975676334_14532816_01_000001",
dockerCommands.get(counter++));
Assert.assertEquals(" net=host", dockerCommands.get(counter++));
Assert.assertEquals(" user=" + uidGidPair, dockerCommands.get(counter++));
Assert.assertEquals(" workdir=/test_container_work_dir",
dockerCommands.get(counter));
}
@Test
public void testDockerContainerLaunchWithDefaultImage()
throws ContainerExecutionException, PrivilegedOperationException,
IOException {
conf.set(YarnConfiguration.NM_DOCKER_IMAGE_NAME, "busybox:1.2.3");
env.remove(DockerLinuxContainerRuntime.ENV_DOCKER_CONTAINER_IMAGE);
DockerLinuxContainerRuntime runtime = new DockerLinuxContainerRuntime(
mockExecutor, mockCGroupsHandler);
runtime.initialize(conf, nmContext);
runtime.launchContainer(builder.build());
List<String> dockerCommands = readDockerCommands();
int expected = 13;
int counter = 0;
Assert.assertEquals(expected, dockerCommands.size());
Assert.assertEquals("[docker-command-execution]",
dockerCommands.get(counter++));
Assert.assertEquals(" cap-add=SYS_CHROOT,NET_BIND_SERVICE",
dockerCommands.get(counter++));
Assert.assertEquals(" cap-drop=ALL", dockerCommands.get(counter++));
Assert.assertEquals(" detach=true", dockerCommands.get(counter++));
Assert.assertEquals(" docker-command=run", dockerCommands.get(counter++));
Assert.assertEquals(" group-add=" + String.join(",", groups),
dockerCommands.get(counter++));
Assert
.assertEquals(" image=busybox:1.2.3", dockerCommands.get(counter++));
Assert.assertEquals(
" launch-command=bash,/test_container_work_dir/launch_container.sh",
dockerCommands.get(counter++));
Assert.assertEquals(" mounts="
+ "/test_container_log_dir:/test_container_log_dir:rw,"
+ "/test_application_local_dir:/test_application_local_dir:rw,"
+ "/test_filecache_dir:/test_filecache_dir:ro,"
+ "/test_user_filecache_dir:/test_user_filecache_dir:ro",
dockerCommands.get(counter++));
Assert.assertEquals(
" name=container_e11_1518975676334_14532816_01_000001",
dockerCommands.get(counter++));
Assert.assertEquals(" net=host", dockerCommands.get(counter++));
Assert.assertEquals(" user=" + uidGidPair, dockerCommands.get(counter++));
Assert.assertEquals(" workdir=/test_container_work_dir",
dockerCommands.get(counter));
}
@Test
public void testDockerContainerLaunchWithoutDefaultImageUpdate()
throws ContainerExecutionException, PrivilegedOperationException,
IOException {
DockerLinuxContainerRuntime runtime = new DockerLinuxContainerRuntime(
mockExecutor, mockCGroupsHandler);
conf.setBoolean(YarnConfiguration.NM_DOCKER_IMAGE_UPDATE, false);
runtime.initialize(conf, nmContext);
runtime.launchContainer(builder.build());
List<String> dockerCommands = readDockerCommands();
Assert.assertEquals(false,
conf.getBoolean(YarnConfiguration.NM_DOCKER_IMAGE_UPDATE, false));
int expected = 13;
int counter = 0;
Assert.assertEquals(expected, dockerCommands.size());
Assert.assertEquals("[docker-command-execution]",
dockerCommands.get(counter++));
Assert.assertEquals(" cap-add=SYS_CHROOT,NET_BIND_SERVICE",
dockerCommands.get(counter++));
Assert.assertEquals(" cap-drop=ALL", dockerCommands.get(counter++));
Assert.assertEquals(" detach=true", dockerCommands.get(counter++));
Assert.assertEquals(" docker-command=run", dockerCommands.get(counter++));
Assert.assertEquals(" group-add=" + String.join(",", groups),
dockerCommands.get(counter++));
Assert
.assertEquals(" image=busybox:latest", dockerCommands.get(counter++));
Assert.assertEquals(
" launch-command=bash,/test_container_work_dir/launch_container.sh",
dockerCommands.get(counter++));
Assert.assertEquals(" mounts="
+ "/test_container_log_dir:/test_container_log_dir:rw,"
+ "/test_application_local_dir:/test_application_local_dir:rw,"
+ "/test_filecache_dir:/test_filecache_dir:ro,"
+ "/test_user_filecache_dir:/test_user_filecache_dir:ro",
dockerCommands.get(counter++));
Assert.assertEquals(
" name=container_e11_1518975676334_14532816_01_000001",
dockerCommands.get(counter++));
Assert.assertEquals(" net=host", dockerCommands.get(counter++));
Assert.assertEquals(" user=" + uidGidPair, dockerCommands.get(counter++));
Assert.assertEquals(" workdir=/test_container_work_dir",
dockerCommands.get(counter));
}
@Test
public void testDockerContainerLaunchWithDefaultImageUpdate()
throws ContainerExecutionException, PrivilegedOperationException,
IOException {
DockerLinuxContainerRuntime runtime = new DockerLinuxContainerRuntime(
mockExecutor, mockCGroupsHandler);
conf.setBoolean(YarnConfiguration.NM_DOCKER_IMAGE_UPDATE, true);
runtime.initialize(conf, nmContext);
runtime.launchContainer(builder.build());
ArgumentCaptor<PrivilegedOperation> opCaptor = ArgumentCaptor.forClass(
PrivilegedOperation.class);
//Two invocations expected.
verify(mockExecutor, times(2))
.executePrivilegedOperation(any(), opCaptor.capture(), any(),
any(), anyBoolean(), anyBoolean());
List<PrivilegedOperation> allCaptures = opCaptor.getAllValues();
// pull image from remote hub firstly
PrivilegedOperation op = allCaptures.get(0);
Assert.assertEquals(PrivilegedOperation.OperationType
.RUN_DOCKER_CMD, op.getOperationType());
File commandFile = new File(StringUtils.join(",", op.getArguments()));
FileInputStream fileInputStream = new FileInputStream(commandFile);
String fileContent = new String(IOUtils.toByteArray(fileInputStream));
Assert.assertEquals("[docker-command-execution]\n"
+ " docker-command=pull\n"
+ " image=busybox:latest\n", fileContent);
fileInputStream.close();
// launch docker container
List<String> dockerCommands = readDockerCommands(2);
int expected = 13;
int counter = 0;
Assert.assertEquals(expected, dockerCommands.size());
Assert.assertEquals("[docker-command-execution]",
dockerCommands.get(counter++));
Assert.assertEquals(" cap-add=SYS_CHROOT,NET_BIND_SERVICE",
dockerCommands.get(counter++));
Assert.assertEquals(" cap-drop=ALL", dockerCommands.get(counter++));
Assert.assertEquals(" detach=true", dockerCommands.get(counter++));
Assert.assertEquals(" docker-command=run", dockerCommands.get(counter++));
Assert.assertEquals(" group-add=" + String.join(",", groups),
dockerCommands.get(counter++));
Assert
.assertEquals(" image=busybox:latest", dockerCommands.get(counter++));
Assert.assertEquals(
" launch-command=bash,/test_container_work_dir/launch_container.sh",
dockerCommands.get(counter++));
Assert.assertEquals(" mounts="
+ "/test_container_log_dir:/test_container_log_dir:rw,"
+ "/test_application_local_dir:/test_application_local_dir:rw,"
+ "/test_filecache_dir:/test_filecache_dir:ro,"
+ "/test_user_filecache_dir:/test_user_filecache_dir:ro",
dockerCommands.get(counter++));
Assert.assertEquals(
" name=container_e11_1518975676334_14532816_01_000001",
dockerCommands.get(counter++));
Assert.assertEquals(" net=host", dockerCommands.get(counter++));
Assert.assertEquals(" user=" + uidGidPair, dockerCommands.get(counter++));
Assert.assertEquals(" workdir=/test_container_work_dir",
dockerCommands.get(counter));
}
@Test
public void testContainerLaunchWithUserRemapping()
throws ContainerExecutionException, PrivilegedOperationException,
IOException {
conf.setBoolean(YarnConfiguration.NM_DOCKER_ENABLE_USER_REMAPPING,
true);
DockerLinuxContainerRuntime runtime = new DockerLinuxContainerRuntime(
mockExecutor, mockCGroupsHandler);
runtime.initialize(conf, nmContext);
runtime.launchContainer(builder.build());
List<String> dockerCommands = readDockerCommands();
Assert.assertEquals(13, dockerCommands.size());
int counter = 0;
Assert.assertEquals("[docker-command-execution]",
dockerCommands.get(counter++));
Assert.assertEquals(" cap-add=SYS_CHROOT,NET_BIND_SERVICE",
dockerCommands.get(counter++));
Assert.assertEquals(" cap-drop=ALL", dockerCommands.get(counter++));
Assert.assertEquals(" detach=true", dockerCommands.get(counter++));
Assert.assertEquals(" docker-command=run", dockerCommands.get(counter++));
Assert.assertEquals(" group-add=" + String.join(",", groups),
dockerCommands.get(counter++));
Assert
.assertEquals(" image=busybox:latest", dockerCommands.get(counter++));
Assert.assertEquals(
" launch-command=bash,/test_container_work_dir/launch_container.sh",
dockerCommands.get(counter++));
Assert.assertEquals(" mounts="
+ "/test_container_log_dir:/test_container_log_dir:rw,"
+ "/test_application_local_dir:/test_application_local_dir:rw,"
+ "/test_filecache_dir:/test_filecache_dir:ro,"
+ "/test_user_filecache_dir:/test_user_filecache_dir:ro",
dockerCommands.get(counter++));
Assert.assertEquals(
" name=container_e11_1518975676334_14532816_01_000001",
dockerCommands.get(counter++));
Assert
.assertEquals(" net=host", dockerCommands.get(counter++));
Assert.assertEquals(" user=" + uidGidPair, dockerCommands.get(counter++));
Assert.assertEquals(" workdir=/test_container_work_dir",
dockerCommands.get(counter));
}
@Test
public void testAllowedNetworksConfiguration() throws
ContainerExecutionException {
//the default network configuration should cause
// no exception should be thrown.
DockerLinuxContainerRuntime runtime =
new DockerLinuxContainerRuntime(mockExecutor, mockCGroupsHandler);
runtime.initialize(conf, nmContext);
//invalid default network configuration - sdn2 is included in allowed
// networks
String[] networks = {"host", "none", "bridge", "sdn1"};
String invalidDefaultNetwork = "sdn2";
conf.setStrings(YarnConfiguration.NM_DOCKER_ALLOWED_CONTAINER_NETWORKS,
networks);
conf.set(YarnConfiguration.NM_DOCKER_DEFAULT_CONTAINER_NETWORK,
invalidDefaultNetwork);
try {
runtime =
new DockerLinuxContainerRuntime(mockExecutor, mockCGroupsHandler);
runtime.initialize(conf, nmContext);
Assert.fail("Invalid default network configuration should did not "
+ "trigger initialization failure.");
} catch (ContainerExecutionException e) {
LOG.info("Caught expected exception : " + e);
}
//valid default network configuration - sdn1 is included in allowed
// networks - no exception should be thrown.
String validDefaultNetwork = "sdn1";
conf.set(YarnConfiguration.NM_DOCKER_DEFAULT_CONTAINER_NETWORK,
validDefaultNetwork);
runtime =
new DockerLinuxContainerRuntime(mockExecutor, mockCGroupsHandler);
runtime.initialize(conf, nmContext);
}
@Test
@SuppressWarnings("unchecked")
public void testContainerLaunchWithNetworkingDefaults()
throws ContainerExecutionException, IOException,
PrivilegedOperationException {
DockerLinuxContainerRuntime runtime =
new DockerLinuxContainerRuntime(mockExecutor, mockCGroupsHandler);
runtime.initialize(conf, nmContext);
Random randEngine = new Random();
String disallowedNetwork = "sdn" + Integer.toString(randEngine.nextInt());
try {
env.put(DockerLinuxContainerRuntime.ENV_DOCKER_CONTAINER_NETWORK,
disallowedNetwork);
runtime.launchContainer(builder.build());
Assert.fail("Network was expected to be disallowed: " +
disallowedNetwork);
} catch (ContainerExecutionException e) {
LOG.info("Caught expected exception: " + e);
}
String allowedNetwork = "bridge";
env.put(DockerLinuxContainerRuntime.ENV_DOCKER_CONTAINER_NETWORK,
allowedNetwork);
String expectedHostname = "test.hostname";
env.put(DockerLinuxContainerRuntime.ENV_DOCKER_CONTAINER_HOSTNAME,
expectedHostname);
//this should cause no failures.
runtime.launchContainer(builder.build());
List<String> dockerCommands = readDockerCommands();
//This is the expected docker invocation for this case
int expected = 14;
int counter = 0;
Assert.assertEquals(expected, dockerCommands.size());
Assert.assertEquals("[docker-command-execution]",
dockerCommands.get(counter++));
Assert.assertEquals(" cap-add=SYS_CHROOT,NET_BIND_SERVICE",
dockerCommands.get(counter++));
Assert.assertEquals(" cap-drop=ALL", dockerCommands.get(counter++));
Assert.assertEquals(" detach=true", dockerCommands.get(counter++));
Assert.assertEquals(" docker-command=run", dockerCommands.get(counter++));
Assert.assertEquals(" group-add=" + String.join(",", groups),
dockerCommands.get(counter++));
Assert.assertEquals(" hostname=test.hostname",
dockerCommands.get(counter++));
Assert
.assertEquals(" image=busybox:latest", dockerCommands.get(counter++));
Assert.assertEquals(
" launch-command=bash,/test_container_work_dir/launch_container.sh",
dockerCommands.get(counter++));
Assert.assertEquals(" mounts="
+ "/test_container_log_dir:/test_container_log_dir:rw,"
+ "/test_application_local_dir:/test_application_local_dir:rw,"
+ "/test_filecache_dir:/test_filecache_dir:ro,"
+ "/test_user_filecache_dir:/test_user_filecache_dir:ro",
dockerCommands.get(counter++));
Assert.assertEquals(
" name=container_e11_1518975676334_14532816_01_000001",
dockerCommands.get(counter++));
Assert
.assertEquals(" net=" + allowedNetwork, dockerCommands.get(counter++));
Assert.assertEquals(" user=" + uidGidPair, dockerCommands.get(counter++));
Assert.assertEquals(" workdir=/test_container_work_dir",
dockerCommands.get(counter));
}
@Test
@SuppressWarnings("unchecked")
public void testContainerLaunchWithHostDnsNetwork()
throws ContainerExecutionException, IOException,
PrivilegedOperationException {
// Make it look like Registry DNS is enabled so we can test whether
// hostname goes through
conf.setBoolean(RegistryConstants.KEY_DNS_ENABLED, true);
DockerLinuxContainerRuntime runtime =
new DockerLinuxContainerRuntime(mockExecutor, mockCGroupsHandler);
runtime.initialize(conf, nmContext);
String expectedHostname = "test.hostname";
env.put(DockerLinuxContainerRuntime.ENV_DOCKER_CONTAINER_HOSTNAME,
expectedHostname);
runtime.launchContainer(builder.build());
List<String> dockerCommands = readDockerCommands();
//This is the expected docker invocation for this case
int expected = 14;
int counter = 0;
Assert.assertEquals(expected, dockerCommands.size());
Assert.assertEquals("[docker-command-execution]",
dockerCommands.get(counter++));
Assert.assertEquals(" cap-add=SYS_CHROOT,NET_BIND_SERVICE",
dockerCommands.get(counter++));
Assert.assertEquals(" cap-drop=ALL", dockerCommands.get(counter++));
Assert.assertEquals(" detach=true", dockerCommands.get(counter++));
Assert.assertEquals(" docker-command=run", dockerCommands.get(counter++));
Assert.assertEquals(" group-add=" + String.join(",", groups),
dockerCommands.get(counter++));
Assert.assertEquals(" hostname=test.hostname",
dockerCommands.get(counter++));
Assert
.assertEquals(" image=busybox:latest", dockerCommands.get(counter++));
Assert.assertEquals(
" launch-command=bash,/test_container_work_dir/launch_container.sh",
dockerCommands.get(counter++));
Assert.assertEquals(" mounts="
+ "/test_container_log_dir:/test_container_log_dir:rw,"
+ "/test_application_local_dir:/test_application_local_dir:rw,"
+ "/test_filecache_dir:/test_filecache_dir:ro,"
+ "/test_user_filecache_dir:/test_user_filecache_dir:ro",
dockerCommands.get(counter++));
Assert.assertEquals(
" name=container_e11_1518975676334_14532816_01_000001",
dockerCommands.get(counter++));
Assert
.assertEquals(" net=host", dockerCommands.get(counter++));
Assert.assertEquals(" user=" + uidGidPair, dockerCommands.get(counter++));
Assert.assertEquals(" workdir=/test_container_work_dir",
dockerCommands.get(counter));
}
@Test
@SuppressWarnings("unchecked")
public void testContainerLaunchWithCustomNetworks()
throws ContainerExecutionException, IOException,
PrivilegedOperationException {
DockerLinuxContainerRuntime runtime =
new DockerLinuxContainerRuntime(mockExecutor, mockCGroupsHandler);
String customNetwork1 = "sdn1";
String customNetwork2 = "sdn2";
String customNetwork3 = "sdn3";
String[] networks = {"host", "none", "bridge", customNetwork1,
customNetwork2};
//customized set of allowed networks
conf.setStrings(YarnConfiguration.NM_DOCKER_ALLOWED_CONTAINER_NETWORKS,
networks);
//default network is "sdn1"
conf.set(YarnConfiguration.NM_DOCKER_DEFAULT_CONTAINER_NETWORK,
customNetwork1);
//this should cause no failures.
runtime.initialize(conf, nmContext);
runtime.launchContainer(builder.build());
List<String> dockerCommands = readDockerCommands();
//This is the expected docker invocation for this case. customNetwork1
// ("sdn1") is the expected network to be used in this case
int expected = 14;
int counter = 0;
Assert.assertEquals(expected, dockerCommands.size());
Assert.assertEquals("[docker-command-execution]",
dockerCommands.get(counter++));
Assert.assertEquals(" cap-add=SYS_CHROOT,NET_BIND_SERVICE",
dockerCommands.get(counter++));
Assert.assertEquals(" cap-drop=ALL", dockerCommands.get(counter++));
Assert.assertEquals(" detach=true", dockerCommands.get(counter++));
Assert.assertEquals(" docker-command=run", dockerCommands.get(counter++));
Assert.assertEquals(" group-add=" + String.join(",", groups),
dockerCommands.get(counter++));
Assert.assertEquals(
" hostname=ctr-e11-1518975676334-14532816-01-000001",
dockerCommands.get(counter++));
Assert
.assertEquals(" image=busybox:latest", dockerCommands.get(counter++));
Assert.assertEquals(
" launch-command=bash,/test_container_work_dir/launch_container.sh",
dockerCommands.get(counter++));
Assert.assertEquals(
" mounts="
+ "/test_container_log_dir:/test_container_log_dir:rw,"
+ "/test_application_local_dir:/test_application_local_dir:rw,"
+ "/test_filecache_dir:/test_filecache_dir:ro,"
+ "/test_user_filecache_dir:/test_user_filecache_dir:ro",
dockerCommands.get(counter++));
Assert.assertEquals(
" name=container_e11_1518975676334_14532816_01_000001",
dockerCommands.get(counter++));
Assert.assertEquals(" net=sdn1", dockerCommands.get(counter++));
Assert.assertEquals(" user=" + uidGidPair, dockerCommands.get(counter++));
Assert.assertEquals(" workdir=/test_container_work_dir",
dockerCommands.get(counter));
//now set an explicit (non-default) allowedNetwork and ensure that it is
// used.
env.put(DockerLinuxContainerRuntime.ENV_DOCKER_CONTAINER_NETWORK,
customNetwork2);
runtime.launchContainer(builder.build());
dockerCommands = readDockerCommands();
//This is the expected docker invocation for this case. customNetwork2
// ("sdn2") is the expected network to be used in this case
counter = 0;
Assert.assertEquals(expected, dockerCommands.size());
Assert.assertEquals("[docker-command-execution]",
dockerCommands.get(counter++));
Assert.assertEquals(" cap-add=SYS_CHROOT,NET_BIND_SERVICE",
dockerCommands.get(counter++));
Assert.assertEquals(" cap-drop=ALL", dockerCommands.get(counter++));
Assert.assertEquals(" detach=true", dockerCommands.get(counter++));
Assert.assertEquals(" docker-command=run", dockerCommands.get(counter++));
Assert.assertEquals(" group-add=" + String.join(",", groups),
dockerCommands.get(counter++));
Assert.assertEquals(
" hostname=ctr-e11-1518975676334-14532816-01-000001",
dockerCommands.get(counter++));
Assert
.assertEquals(" image=busybox:latest", dockerCommands.get(counter++));
Assert.assertEquals(
" launch-command=bash,/test_container_work_dir/launch_container.sh",
dockerCommands.get(counter++));
Assert.assertEquals(" mounts="
+ "/test_container_log_dir:/test_container_log_dir:rw,"
+ "/test_application_local_dir:/test_application_local_dir:rw,"
+ "/test_filecache_dir:/test_filecache_dir:ro,"
+ "/test_user_filecache_dir:/test_user_filecache_dir:ro",
dockerCommands.get(counter++));