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YARN-9140. Code cleanup in ResourcePluginManager.initialize and in TestResourcePluginManager. Contributed by Peter Bacsko

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This commit is contained in:
Szilard Nemeth 2019-08-14 16:58:22 +02:00
parent 3c0382f1b9
commit e5e609384f
2 changed files with 91 additions and 79 deletions
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84
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/resourceplugin/ResourcePluginManager.java
View File

@ -20,6 +20,7 @@
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Maps;
import org.apache.commons.lang3.StringUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.util.ReflectionUtils;
@ -44,7 +45,6 @@
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
@ -68,8 +68,29 @@ public class ResourcePluginManager {
public void initialize(Context context)
throws YarnException, ClassNotFoundException {
Configuration conf = context.getConf();
Map<String, ResourcePlugin> pluginMap = new HashMap<>();
String[] plugins = getPluginsFromConfig(conf);
Map<String, ResourcePlugin> pluginMap = Maps.newHashMap();
if (plugins != null) {
pluginMap = initializePlugins(context, plugins);
}
// Try to load pluggable device plugins
boolean pluggableDeviceFrameworkEnabled = conf.getBoolean(
YarnConfiguration.NM_PLUGGABLE_DEVICE_FRAMEWORK_ENABLED,
YarnConfiguration.DEFAULT_NM_PLUGGABLE_DEVICE_FRAMEWORK_ENABLED);
if (pluggableDeviceFrameworkEnabled) {
initializePluggableDevicePlugins(context, conf, pluginMap);
} else {
LOG.info("The pluggable device framework is not enabled."
+ " If you want, please set true to {}",
YarnConfiguration.NM_PLUGGABLE_DEVICE_FRAMEWORK_ENABLED);
}
configuredPlugins = Collections.unmodifiableMap(pluginMap);
}
private String[] getPluginsFromConfig(Configuration conf) {
String[] plugins = conf.getStrings(YarnConfiguration.NM_RESOURCE_PLUGINS);
if (plugins == null || plugins.length == 0) {
LOG.info("No Resource plugins found from configuration!");
@ -77,25 +98,18 @@ public void initialize(Context context)
LOG.info("Found Resource plugins from configuration: "
+ Arrays.toString(plugins));
if (plugins != null) {
// Initialize each plugins
for (String resourceName : plugins) {
resourceName = resourceName.trim();
if (!SUPPORTED_RESOURCE_PLUGINS.contains(resourceName)) {
String msg =
"Trying to initialize resource plugin with name=" + resourceName
+ ", it is not supported, list of supported plugins:"
+ StringUtils.join(",", SUPPORTED_RESOURCE_PLUGINS);
LOG.error(msg);
throw new YarnException(msg);
}
return plugins;
}
if (pluginMap.containsKey(resourceName)) {
LOG.warn("Ignoring duplicate Resource plugin definition: " +
resourceName);
continue;
}
private Map<String, ResourcePlugin> initializePlugins(
Context context, String[] plugins) throws YarnException {
Map<String, ResourcePlugin> pluginMap = Maps.newHashMap();
for (String resourceName : plugins) {
resourceName = resourceName.trim();
ensurePluginIsSupported(resourceName);
if (!isPluginDuplicate(pluginMap, resourceName)) {
ResourcePlugin plugin = null;
if (resourceName.equals(GPU_URI)) {
final GpuDiscoverer gpuDiscoverer = new GpuDiscoverer();
@ -116,19 +130,29 @@ public void initialize(Context context)
pluginMap.put(resourceName, plugin);
}
}
// Try to load pluggable device plugins
boolean puggableDeviceFrameworkEnabled = conf.getBoolean(
YarnConfiguration.NM_PLUGGABLE_DEVICE_FRAMEWORK_ENABLED,
YarnConfiguration.DEFAULT_NM_PLUGGABLE_DEVICE_FRAMEWORK_ENABLED);
return pluginMap;
}
if (puggableDeviceFrameworkEnabled) {
initializePluggableDevicePlugins(context, conf, pluginMap);
} else {
LOG.info("The pluggable device framework is not enabled."
+ " If you want, please set true to {}",
YarnConfiguration.NM_PLUGGABLE_DEVICE_FRAMEWORK_ENABLED);
private void ensurePluginIsSupported(String resourceName)
throws YarnException {
if (!SUPPORTED_RESOURCE_PLUGINS.contains(resourceName)) {
String msg =
"Trying to initialize resource plugin with name=" + resourceName
+ ", it is not supported, list of supported plugins:"
+ StringUtils.join(",", SUPPORTED_RESOURCE_PLUGINS);
LOG.error(msg);
throw new YarnException(msg);
}
configuredPlugins = Collections.unmodifiableMap(pluginMap);
}
private boolean isPluginDuplicate(Map<String, ResourcePlugin> pluginMap,
String resourceName) {
if (pluginMap.containsKey(resourceName)) {
LOG.warn("Ignoring duplicate Resource plugin definition: " +
resourceName);
return true;
}
return false;
}
public void initializePluggableDevicePlugins(Context context,

86
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/resourceplugin/TestResourcePluginManager.java
View File

@ -43,7 +43,6 @@
import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources.CGroupsHandler;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources.ResourceHandler;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources.ResourceHandlerChain;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources.ResourceHandlerException;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.resourceplugin.deviceframework.*;
import org.apache.hadoop.yarn.server.security.ApplicationACLsManager;
import org.apache.hadoop.yarn.util.resource.ResourceUtils;
@ -59,6 +58,7 @@
import java.io.File;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyMap;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
@ -124,38 +124,33 @@ public void tearDown() {
private class CustomizedResourceHandler implements ResourceHandler {
@Override
public List<PrivilegedOperation> bootstrap(Configuration configuration)
throws ResourceHandlerException {
public List<PrivilegedOperation> bootstrap(Configuration configuration) {
return null;
}
@Override
public List<PrivilegedOperation> preStart(Container container)
throws ResourceHandlerException {
public List<PrivilegedOperation> preStart(Container container) {
return null;
}
@Override
public List<PrivilegedOperation> reacquireContainer(ContainerId containerId)
throws ResourceHandlerException {
public List<PrivilegedOperation> reacquireContainer(
ContainerId containerId) {
return null;
}
@Override
public List<PrivilegedOperation> updateContainer(Container container)
throws ResourceHandlerException {
public List<PrivilegedOperation> updateContainer(Container container) {
return null;
}
@Override
public List<PrivilegedOperation> postComplete(ContainerId containerId)
throws ResourceHandlerException {
public List<PrivilegedOperation> postComplete(ContainerId containerId) {
return null;
}
@Override
public List<PrivilegedOperation> teardown()
throws ResourceHandlerException {
public List<PrivilegedOperation> teardown() {
return null;
}
}
@ -180,9 +175,9 @@ protected ContainerManagerImpl createContainerManager(Context context,
ContainerExecutor exec, DeletionService del,
NodeStatusUpdater nodeStatusUpdater,
ApplicationACLsManager aclsManager,
LocalDirsHandlerService diskhandler) {
LocalDirsHandlerService dirsHandler) {
return new MyContainerManager(context, exec, del, nodeStatusUpdater,
metrics, diskhandler);
metrics, dirsHandler);
}
@Override
@ -210,7 +205,7 @@ public void testResourcePluginManagerInitialization() throws Exception {
nm = new MyMockNM(rpm);
nm.init(conf);
verify(rpm, times(1)).initialize(
verify(rpm).initialize(
any(Context.class));
}
@ -231,7 +226,7 @@ public void testNodeStatusUpdaterWithResourcePluginsEnabled()
rpm.getNameToPlugins().get("resource1")
.getNodeResourceHandlerInstance();
verify(nodeResourceUpdaterPlugin, times(1))
verify(nodeResourceUpdaterPlugin)
.updateConfiguredResource(any(Resource.class));
}
@ -239,8 +234,7 @@ public void testNodeStatusUpdaterWithResourcePluginsEnabled()
* Make sure ResourcePluginManager is used to initialize ResourceHandlerChain
*/
@Test(timeout = 30000)
public void testLinuxContainerExecutorWithResourcePluginsEnabled()
throws Exception {
public void testLinuxContainerExecutorWithResourcePluginsEnabled() {
final ResourcePluginManager rpm = stubResourcePluginmanager();
final LinuxContainerExecutor lce = new MyLCE();
@ -249,8 +243,8 @@ public void testLinuxContainerExecutorWithResourcePluginsEnabled()
protected NodeStatusUpdater createNodeStatusUpdater(Context context,
Dispatcher dispatcher, NodeHealthCheckerService healthChecker) {
((NMContext)context).setResourcePluginManager(rpm);
return new BaseNodeStatusUpdaterForTest(context, dispatcher, healthChecker,
metrics, new BaseResourceTrackerForTest());
return new BaseNodeStatusUpdaterForTest(context, dispatcher,
healthChecker, metrics, new BaseResourceTrackerForTest());
}
@Override
@ -258,9 +252,9 @@ protected ContainerManagerImpl createContainerManager(Context context,
ContainerExecutor exec, DeletionService del,
NodeStatusUpdater nodeStatusUpdater,
ApplicationACLsManager aclsManager,
LocalDirsHandlerService diskhandler) {
LocalDirsHandlerService dirsHandler) {
return new MyContainerManager(context, exec, del, nodeStatusUpdater,
metrics, diskhandler);
metrics, dirsHandler);
}
@Override
@ -308,10 +302,10 @@ public void testInitializationWithPluggableDeviceFrameworkDisabled()
false);
nm.init(conf);
nm.start();
verify(rpmSpy, times(1)).initialize(
verify(rpmSpy).initialize(
any(Context.class));
verify(rpmSpy, times(0)).initializePluggableDevicePlugins(
any(Context.class), any(Configuration.class), any(Map.class));
any(Context.class), any(Configuration.class), anyMap());
}
// No related configuration set.
@ -325,10 +319,10 @@ public void testInitializationWithPluggableDeviceFrameworkDisabled2()
nm.init(conf);
nm.start();
verify(rpmSpy, times(1)).initialize(
verify(rpmSpy).initialize(
any(Context.class));
verify(rpmSpy, times(0)).initializePluggableDevicePlugins(
any(Context.class), any(Configuration.class), any(Map.class));
any(Context.class), any(Configuration.class), anyMap());
}
// Enable framework and configure pluggable device classes
@ -347,10 +341,10 @@ public void testInitializationWithPluggableDeviceFrameworkEnabled()
FakeTestDevicePlugin1.class.getCanonicalName());
nm.init(conf);
nm.start();
verify(rpmSpy, times(1)).initialize(
verify(rpmSpy).initialize(
any(Context.class));
verify(rpmSpy, times(1)).initializePluggableDevicePlugins(
any(Context.class), any(Configuration.class), any(Map.class));
verify(rpmSpy).initializePluggableDevicePlugins(
any(Context.class), any(Configuration.class), anyMap());
}
// Enable pluggable framework, but leave device classes un-configured
@ -362,7 +356,7 @@ public void testInitializationWithPluggableDeviceFrameworkEnabled2()
ResourcePluginManager rpmSpy = spy(rpm);
nm = new MyMockNM(rpmSpy);
Boolean fail = false;
boolean fail = false;
try {
conf.setBoolean(YarnConfiguration.NM_PLUGGABLE_DEVICE_FRAMEWORK_ENABLED,
true);
@ -371,18 +365,16 @@ public void testInitializationWithPluggableDeviceFrameworkEnabled2()
nm.start();
} catch (YarnRuntimeException e) {
fail = true;
} catch (Exception e) {
} catch (Exception ignored) {
}
verify(rpmSpy, times(1)).initializePluggableDevicePlugins(
any(Context.class), any(Configuration.class), any(Map.class));
verify(rpmSpy).initializePluggableDevicePlugins(
any(Context.class), any(Configuration.class), anyMap());
Assert.assertTrue(fail);
}
@Test(timeout = 30000)
public void testNormalInitializationOfPluggableDeviceClasses()
throws Exception {
public void testNormalInitializationOfPluggableDeviceClasses() {
ResourcePluginManager rpm = new ResourcePluginManager();
ResourcePluginManager rpmSpy = spy(rpm);
@ -399,16 +391,15 @@ public void testNormalInitializationOfPluggableDeviceClasses()
Assert.assertEquals(1, pluginMap.size());
ResourcePlugin rp = pluginMap.get("cmpA.com/hdwA");
if (!(rp instanceof DevicePluginAdapter)) {
Assert.assertTrue(false);
Assert.fail();
}
verify(rpmSpy, times(1)).checkInterfaceCompatibility(
verify(rpmSpy).checkInterfaceCompatibility(
DevicePlugin.class, FakeTestDevicePlugin1.class);
}
// Fail to load a class which doesn't implement interface DevicePlugin
@Test(timeout = 30000)
public void testLoadInvalidPluggableDeviceClasses()
throws Exception{
public void testLoadInvalidPluggableDeviceClasses() {
ResourcePluginManager rpm = new ResourcePluginManager();
ResourcePluginManager rpmSpy = spy(rpm);
@ -435,8 +426,7 @@ public void testLoadInvalidPluggableDeviceClasses()
// Fail to register duplicated resource name.
@Test(timeout = 30000)
public void testLoadDuplicateResourceNameDevicePlugin()
throws Exception{
public void testLoadDuplicateResourceNameDevicePlugin() {
ResourcePluginManager rpm = new ResourcePluginManager();
ResourcePluginManager rpmSpy = spy(rpm);
@ -469,8 +459,7 @@ public void testLoadDuplicateResourceNameDevicePlugin()
* It doesn't implement the "getRegisterRequestInfo"
*/
@Test(timeout = 30000)
public void testIncompatibleDevicePlugin()
throws Exception {
public void testIncompatibleDevicePlugin() {
ResourcePluginManager rpm = new ResourcePluginManager();
ResourcePluginManager rpmSpy = spy(rpm);
@ -515,16 +504,15 @@ public void testLoadPluginWithCustomizedScheduler() {
nm.init(conf);
nm.start();
// only 1 plugin has the customized scheduler
verify(rpmSpy, times(1)).checkInterfaceCompatibility(
verify(rpmSpy).checkInterfaceCompatibility(
DevicePlugin.class, FakeTestDevicePlugin1.class);
verify(dmmSpy, times(1)).addDevicePluginScheduler(
verify(dmmSpy).addDevicePluginScheduler(
any(String.class), any(DevicePluginScheduler.class));
Assert.assertEquals(1, dmm.getDevicePluginSchedulers().size());
}
@Test(timeout = 30000)
public void testRequestedResourceNameIsConfigured()
throws Exception{
public void testRequestedResourceNameIsConfigured() {
ResourcePluginManager rpm = new ResourcePluginManager();
String resourceName = "a.com/a";
Assert.assertFalse(rpm.isConfiguredResourceName(resourceName));