From 085f0e8ae7f43b42bd3d81ad11322ac8f8d664fd Mon Sep 17 00:00:00 2001 From: Weiwei Yang Date: Tue, 29 Jan 2019 14:53:08 +0800 Subject: [PATCH] YARN-9086. [CSI] Run csi-driver-adaptor as aux service. Contributed by Weiwei Yang. --- .../hadoop/yarn/api/CsiAdaptorPlugin.java | 50 +++ .../hadoop/yarn/conf/YarnConfiguration.java | 2 + .../src/main/resources/yarn-default.xml | 10 +- .../yarn/csi/adaptor/CsiAdaptorFactory.java | 73 ++++ .../adaptor/CsiAdaptorProtocolService.java | 100 +----- .../yarn/csi/adaptor/CsiAdaptorServices.java | 108 ++++++ .../csi/adaptor/DefaultCsiAdaptorImpl.java | 132 +++++++ .../yarn/csi/adaptor/MockCsiAdaptor.java | 85 +++++ .../csi/adaptor/TestCsiAdaptorService.java | 326 ++++++++++++++---- 9 files changed, 728 insertions(+), 158 deletions(-) create mode 100644 hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/CsiAdaptorPlugin.java create mode 100644 hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/main/java/org/apache/hadoop/yarn/csi/adaptor/CsiAdaptorFactory.java create mode 100644 hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/main/java/org/apache/hadoop/yarn/csi/adaptor/CsiAdaptorServices.java create mode 100644 hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/main/java/org/apache/hadoop/yarn/csi/adaptor/DefaultCsiAdaptorImpl.java create mode 100644 hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/test/java/org/apache/hadoop/yarn/csi/adaptor/MockCsiAdaptor.java diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/CsiAdaptorPlugin.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/CsiAdaptorPlugin.java new file mode 100644 index 00000000000..26b45f7c31f --- /dev/null +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/CsiAdaptorPlugin.java @@ -0,0 +1,50 @@ +/** + * 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.api; + +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.yarn.exceptions.YarnException; + +/** + * csi-adaptor is a plugin, user can provide customized implementation + * according to this interface. NM will init and load this into a NM aux + * service, and it can run multiple csi-adaptor servers. + * + * User needs to implement all the methods defined in + * {@link CsiAdaptorProtocol}, and plus the methods in this interface. + */ +public interface CsiAdaptorPlugin extends CsiAdaptorProtocol { + + /** + * A csi-adaptor implementation can init its state within this function. + * Configuration is available so the implementation can retrieve some + * customized configuration from yarn-site.xml. + * @param driverName the name of the csi-driver. + * @param conf configuration. + * @throws YarnException + */ + void init(String driverName, Configuration conf) throws YarnException; + + /** + * Returns the driver name of the csi-driver this adaptor works with. + * The name should be consistent on all the places being used, ideally + * it should come from the value when init is done. + * @return the name of the csi-driver that this adaptor works with. + */ + String getDriverName(); +} diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java index 2be73e1d966..de66e7525e1 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java @@ -3489,6 +3489,8 @@ public class YarnConfiguration extends Configuration { ".endpoint"; public static final String NM_CSI_ADAPTOR_ADDRESS_SUFFIX = ".address"; + public static final String NM_CSI_ADAPTOR_CLASS = + ".class"; /** * One or more socket addresses for csi-adaptor. * Multiple addresses are delimited by ",". diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml index 2508c48d1ce..45894e9461f 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml @@ -4096,12 +4096,20 @@ CSI driver names running on this node, multiple driver names need to be delimited by comma. The driver name should be same value returned - by the getPluginInfo call. For each of the CSI driver name, it must + by the getPluginInfo call.For each of the CSI driver name, it must to define following two corresponding properties: "yarn.nodemanager.csi-driver.${NAME}.endpoint" "yarn.nodemanager.csi-driver-adaptor.${NAME}.address" The 1st property defines where the driver's endpoint is; 2nd property defines where the mapping csi-driver-adaptor's address is. + What's more, an optional csi-driver-adaptor class can be defined + for each csi-driver: + "yarn.nodemanager.csi-driver.${NAME}.class" + once given, the adaptor will be initiated with the given class instead + of the default implementation + org.apache.hadoop.yarn.csi.adaptor.DefaultCsiAdaptorImpl. User can plug + customized adaptor code for csi-driver with this configuration + if necessary. yarn.nodemanager.csi-driver.names diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/main/java/org/apache/hadoop/yarn/csi/adaptor/CsiAdaptorFactory.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/main/java/org/apache/hadoop/yarn/csi/adaptor/CsiAdaptorFactory.java new file mode 100644 index 00000000000..955c36f81f8 --- /dev/null +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/main/java/org/apache/hadoop/yarn/csi/adaptor/CsiAdaptorFactory.java @@ -0,0 +1,73 @@ +/** + * 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.csi.adaptor; + +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.util.ReflectionUtils; +import org.apache.hadoop.yarn.api.CsiAdaptorPlugin; +import org.apache.hadoop.yarn.conf.YarnConfiguration; +import org.apache.hadoop.yarn.exceptions.YarnException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Desired csi-adaptor implementation is configurable, default to + * CsiAdaptorProtocolService. If user wants to have a different implementation, + * just to configure a different class for the csi-driver. + */ +public final class CsiAdaptorFactory { + + private static final Logger LOG = + LoggerFactory.getLogger(CsiAdaptorFactory.class); + + private CsiAdaptorFactory() { + // hide constructor for this factory class. + } + + /** + * Load csi-driver-adaptor from configuration. If the configuration is not + * specified, the default implementation + * for the adaptor is {@link DefaultCsiAdaptorImpl}. If the configured class + * is not a valid variation of {@link CsiAdaptorPlugin} or the class cannot + * be found, this function will throw a RuntimeException. + * @param driverName + * @param conf + * @return CsiAdaptorPlugin + * @throws YarnException if unable to create the adaptor class. + * @throws RuntimeException if given class is not found or not + * an instance of {@link CsiAdaptorPlugin} + */ + public static CsiAdaptorPlugin getAdaptor(String driverName, + Configuration conf) throws YarnException { + // load configuration + String configName = YarnConfiguration.NM_CSI_ADAPTOR_PREFIX + + driverName + YarnConfiguration.NM_CSI_ADAPTOR_CLASS; + Class impl = conf.getClass(configName, + DefaultCsiAdaptorImpl.class, CsiAdaptorPlugin.class); + if (impl == null) { + throw new YarnException("Unable to init csi-adaptor from the" + + " class specified via " + configName); + } + + // init the adaptor + CsiAdaptorPlugin instance = ReflectionUtils.newInstance(impl, conf); + LOG.info("csi-adaptor initiated, implementation: " + + impl.getCanonicalName()); + return instance; + } +} diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/main/java/org/apache/hadoop/yarn/csi/adaptor/CsiAdaptorProtocolService.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/main/java/org/apache/hadoop/yarn/csi/adaptor/CsiAdaptorProtocolService.java index 7020f061f99..300c5bcaa26 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/main/java/org/apache/hadoop/yarn/csi/adaptor/CsiAdaptorProtocolService.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/main/java/org/apache/hadoop/yarn/csi/adaptor/CsiAdaptorProtocolService.java @@ -17,11 +17,11 @@ */ package org.apache.hadoop.yarn.csi.adaptor; -import com.google.common.annotations.VisibleForTesting; -import csi.v0.Csi; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.ipc.Server; +import org.apache.hadoop.service.AbstractService; import org.apache.hadoop.yarn.api.CsiAdaptorProtocol; +import org.apache.hadoop.yarn.api.CsiAdaptorPlugin; import org.apache.hadoop.yarn.api.protocolrecords.GetPluginInfoRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetPluginInfoResponse; import org.apache.hadoop.yarn.api.protocolrecords.NodePublishVolumeRequest; @@ -30,27 +30,20 @@ import org.apache.hadoop.yarn.api.protocolrecords.NodeUnpublishVolumeRequest; import org.apache.hadoop.yarn.api.protocolrecords.NodeUnpublishVolumeResponse; import org.apache.hadoop.yarn.api.protocolrecords.ValidateVolumeCapabilitiesRequest; import org.apache.hadoop.yarn.api.protocolrecords.ValidateVolumeCapabilitiesResponse; -import org.apache.hadoop.yarn.csi.client.CsiClient; -import org.apache.hadoop.yarn.csi.client.CsiClientImpl; -import org.apache.hadoop.yarn.csi.translator.ProtoTranslatorFactory; import org.apache.hadoop.yarn.exceptions.YarnException; import org.apache.hadoop.yarn.ipc.YarnRPC; -import org.apache.hadoop.yarn.server.api.ApplicationInitializationContext; -import org.apache.hadoop.yarn.server.api.ApplicationTerminationContext; -import org.apache.hadoop.yarn.server.api.AuxiliaryService; import org.apache.hadoop.yarn.util.csi.CsiConfigUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.IOException; import java.net.InetSocketAddress; -import java.nio.ByteBuffer; /** * This is a Hadoop RPC server, we uses the Hadoop RPC framework here * because we need to stick to the security model current Hadoop supports. */ -public class CsiAdaptorProtocolService extends AuxiliaryService +public class CsiAdaptorProtocolService extends AbstractService implements CsiAdaptorProtocol { private static final Logger LOG = @@ -58,35 +51,17 @@ public class CsiAdaptorProtocolService extends AuxiliaryService private Server server; private InetSocketAddress adaptorServiceAddress; - private CsiClient csiClient; - private String csiDriverName; + private CsiAdaptorPlugin serverImpl; - public CsiAdaptorProtocolService() { + public CsiAdaptorProtocolService(CsiAdaptorPlugin adaptorImpl) { super(CsiAdaptorProtocolService.class.getName()); - // TODO read this from configuration - this.csiDriverName = "ch.ctrox.csi.s3-driver"; - } - - public CsiAdaptorProtocolService(String driverName, - String domainSocketPath) { - super(CsiAdaptorProtocolService.class.getName()); - this.csiClient = new CsiClientImpl(domainSocketPath); - this.csiDriverName = driverName; - } - - @VisibleForTesting - public void setCsiClient(CsiClient client) { - this.csiClient = client; + this.serverImpl = adaptorImpl; } @Override protected void serviceInit(Configuration conf) throws Exception { - - String driverEndpoint = CsiConfigUtils - .getCsiDriverEndpoint(csiDriverName, conf); - this.csiClient = new CsiClientImpl(driverEndpoint); adaptorServiceAddress = CsiConfigUtils - .getCsiAdaptorAddressForDriver(csiDriverName, conf); + .getCsiAdaptorAddressForDriver(serverImpl.getDriverName(), conf); super.serviceInit(conf); } @@ -96,7 +71,7 @@ public class CsiAdaptorProtocolService extends AuxiliaryService YarnRPC rpc = YarnRPC.create(conf); this.server = rpc.getServer( CsiAdaptorProtocol.class, - this, adaptorServiceAddress, conf, null, 1); + serverImpl, adaptorServiceAddress, conf, null, 1); this.server.start(); LOG.info("{} started, listening on address: {}", CsiAdaptorProtocolService.class.getName(), @@ -115,76 +90,25 @@ public class CsiAdaptorProtocolService extends AuxiliaryService @Override public GetPluginInfoResponse getPluginInfo( GetPluginInfoRequest request) throws YarnException, IOException { - Csi.GetPluginInfoResponse response = csiClient.getPluginInfo(); - return ProtoTranslatorFactory.getTranslator( - GetPluginInfoResponse.class, Csi.GetPluginInfoResponse.class) - .convertFrom(response); + return serverImpl.getPluginInfo(request); } @Override public ValidateVolumeCapabilitiesResponse validateVolumeCapacity( ValidateVolumeCapabilitiesRequest request) throws YarnException, IOException { - Csi.ValidateVolumeCapabilitiesRequest req = ProtoTranslatorFactory - .getTranslator(ValidateVolumeCapabilitiesRequest.class, - Csi.ValidateVolumeCapabilitiesRequest.class) - .convertTo(request); - Csi.ValidateVolumeCapabilitiesResponse response = - csiClient.validateVolumeCapabilities(req); - return ProtoTranslatorFactory.getTranslator( - ValidateVolumeCapabilitiesResponse.class, - Csi.ValidateVolumeCapabilitiesResponse.class) - .convertFrom(response); + return serverImpl.validateVolumeCapacity(request); } @Override public NodePublishVolumeResponse nodePublishVolume( NodePublishVolumeRequest request) throws YarnException, IOException { - if (LOG.isDebugEnabled()) { - LOG.debug("Received nodePublishVolume call, request: {}", - request.toString()); - } - Csi.NodePublishVolumeRequest req = ProtoTranslatorFactory - .getTranslator(NodePublishVolumeRequest.class, - Csi.NodePublishVolumeRequest.class).convertTo(request); - if (LOG.isDebugEnabled()) { - LOG.debug("Translate to CSI proto message: {}", req.toString()); - } - csiClient.nodePublishVolume(req); - return NodePublishVolumeResponse.newInstance(); + return serverImpl.nodePublishVolume(request); } @Override public NodeUnpublishVolumeResponse nodeUnpublishVolume( NodeUnpublishVolumeRequest request) throws YarnException, IOException { - if (LOG.isDebugEnabled()) { - LOG.debug("Received nodeUnpublishVolume call, request: {}", - request.toString()); - } - Csi.NodeUnpublishVolumeRequest req = ProtoTranslatorFactory - .getTranslator(NodeUnpublishVolumeRequest.class, - Csi.NodeUnpublishVolumeRequest.class).convertTo(request); - if (LOG.isDebugEnabled()) { - LOG.debug("Translate to CSI proto message: {}", req.toString()); - } - csiClient.nodeUnpublishVolume(req); - return NodeUnpublishVolumeResponse.newInstance(); - } - - @Override - public void initializeApplication( - ApplicationInitializationContext initAppContext) { - // do nothing - } - - @Override - public void stopApplication( - ApplicationTerminationContext stopAppContext) { - // do nothing - } - - @Override - public ByteBuffer getMetaData() { - return ByteBuffer.allocate(0); + return serverImpl.nodeUnpublishVolume(request); } } diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/main/java/org/apache/hadoop/yarn/csi/adaptor/CsiAdaptorServices.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/main/java/org/apache/hadoop/yarn/csi/adaptor/CsiAdaptorServices.java new file mode 100644 index 00000000000..78debbe5baa --- /dev/null +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/main/java/org/apache/hadoop/yarn/csi/adaptor/CsiAdaptorServices.java @@ -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.csi.adaptor; + +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.yarn.api.CsiAdaptorPlugin; +import org.apache.hadoop.yarn.server.api.ApplicationInitializationContext; +import org.apache.hadoop.yarn.server.api.ApplicationTerminationContext; +import org.apache.hadoop.yarn.server.api.AuxiliaryService; +import org.apache.hadoop.yarn.util.csi.CsiConfigUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.nio.ByteBuffer; +import java.util.ArrayList; +import java.util.List; + +/** + * NM manages csi-adaptors as a single NM AUX service, this service + * manages a set of rpc services and each of them serves one particular + * csi-driver. It loads all available drivers from configuration, and + * find a csi-driver-adaptor implementation class for each of them. At last + * it brings up all of them as a composite service. + */ +public class CsiAdaptorServices extends AuxiliaryService { + + private static final Logger LOG = + LoggerFactory.getLogger(CsiAdaptorServices.class); + + private List serviceList; + protected CsiAdaptorServices() { + super(CsiAdaptorServices.class.getName()); + serviceList = new ArrayList<>(); + } + + @Override + protected void serviceInit(Configuration conf) throws Exception { + // load configuration and init adaptors + String[] names = CsiConfigUtils.getCsiDriverNames(conf); + if (names != null && names.length > 0) { + for (String driverName : names) { + LOG.info("Adding csi-driver-adaptor for csi-driver {}", driverName); + CsiAdaptorPlugin serviceImpl = CsiAdaptorFactory + .getAdaptor(driverName, conf); + serviceImpl.init(driverName, conf); + CsiAdaptorProtocolService service = + new CsiAdaptorProtocolService(serviceImpl); + serviceList.add(service); + service.serviceInit(conf); + } + } + super.serviceInit(conf); + } + + @Override + protected void serviceStop() throws Exception { + if (serviceList != null && serviceList.size() > 0) { + for (CsiAdaptorProtocolService service : serviceList) { + try { + service.serviceStop(); + } catch (Exception e) { + LOG.warn("Unable to stop service " + service.getName(), e); + } + } + } + } + + @Override + protected void serviceStart() throws Exception { + if (serviceList != null && serviceList.size() > 0) { + for (CsiAdaptorProtocolService service : serviceList) { + service.serviceStart(); + } + } + } + + @Override + public void initializeApplication( + ApplicationInitializationContext initAppContext) { + // do nothing + } + + @Override + public void stopApplication( + ApplicationTerminationContext stopAppContext) { + // do nothing + } + + @Override + public ByteBuffer getMetaData() { + return ByteBuffer.allocate(0); + } +} diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/main/java/org/apache/hadoop/yarn/csi/adaptor/DefaultCsiAdaptorImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/main/java/org/apache/hadoop/yarn/csi/adaptor/DefaultCsiAdaptorImpl.java new file mode 100644 index 00000000000..a2035878bb7 --- /dev/null +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/main/java/org/apache/hadoop/yarn/csi/adaptor/DefaultCsiAdaptorImpl.java @@ -0,0 +1,132 @@ +/** + * 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.csi.adaptor; + +import csi.v0.Csi; +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.yarn.api.CsiAdaptorPlugin; +import org.apache.hadoop.yarn.api.protocolrecords.GetPluginInfoRequest; +import org.apache.hadoop.yarn.api.protocolrecords.GetPluginInfoResponse; +import org.apache.hadoop.yarn.api.protocolrecords.NodePublishVolumeRequest; +import org.apache.hadoop.yarn.api.protocolrecords.NodePublishVolumeResponse; +import org.apache.hadoop.yarn.api.protocolrecords.NodeUnpublishVolumeRequest; +import org.apache.hadoop.yarn.api.protocolrecords.NodeUnpublishVolumeResponse; +import org.apache.hadoop.yarn.api.protocolrecords.ValidateVolumeCapabilitiesRequest; +import org.apache.hadoop.yarn.api.protocolrecords.ValidateVolumeCapabilitiesResponse; +import org.apache.hadoop.yarn.csi.client.CsiClient; +import org.apache.hadoop.yarn.csi.client.CsiClientImpl; +import org.apache.hadoop.yarn.csi.translator.ProtoTranslatorFactory; +import org.apache.hadoop.yarn.exceptions.YarnException; +import org.apache.hadoop.yarn.util.csi.CsiConfigUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; + +/** + * The default implementation of csi-driver-adaptor service. + */ +public class DefaultCsiAdaptorImpl implements CsiAdaptorPlugin { + + private static final Logger LOG = + LoggerFactory.getLogger(DefaultCsiAdaptorImpl.class); + + private String driverName; + private CsiClient csiClient; + + public DefaultCsiAdaptorImpl() { + // use default constructor for reflection + } + + @Override + public void init(String driverName, Configuration conf) + throws YarnException { + // if the driver end point is invalid, following code will fail. + String driverEndpoint = CsiConfigUtils + .getCsiDriverEndpoint(driverName, conf); + LOG.info("This csi-adaptor is configured to contact with" + + " the csi-driver {} via gRPC endpoint: {}", + driverName, driverEndpoint); + this.csiClient = new CsiClientImpl(driverEndpoint); + this.driverName = driverName; + } + + @Override + public String getDriverName() { + return driverName; + } + + @Override + public GetPluginInfoResponse getPluginInfo( + GetPluginInfoRequest request) throws YarnException, IOException { + Csi.GetPluginInfoResponse response = csiClient.getPluginInfo(); + return ProtoTranslatorFactory.getTranslator( + GetPluginInfoResponse.class, Csi.GetPluginInfoResponse.class) + .convertFrom(response); + } + + @Override + public ValidateVolumeCapabilitiesResponse validateVolumeCapacity( + ValidateVolumeCapabilitiesRequest request) throws YarnException, + IOException { + Csi.ValidateVolumeCapabilitiesRequest req = ProtoTranslatorFactory + .getTranslator(ValidateVolumeCapabilitiesRequest.class, + Csi.ValidateVolumeCapabilitiesRequest.class) + .convertTo(request); + Csi.ValidateVolumeCapabilitiesResponse response = + csiClient.validateVolumeCapabilities(req); + return ProtoTranslatorFactory.getTranslator( + ValidateVolumeCapabilitiesResponse.class, + Csi.ValidateVolumeCapabilitiesResponse.class) + .convertFrom(response); + } + + @Override + public NodePublishVolumeResponse nodePublishVolume( + NodePublishVolumeRequest request) throws YarnException, IOException { + if (LOG.isDebugEnabled()) { + LOG.debug("Received nodePublishVolume call, request: {}", + request.toString()); + } + Csi.NodePublishVolumeRequest req = ProtoTranslatorFactory + .getTranslator(NodePublishVolumeRequest.class, + Csi.NodePublishVolumeRequest.class).convertTo(request); + if (LOG.isDebugEnabled()) { + LOG.debug("Translate to CSI proto message: {}", req.toString()); + } + csiClient.nodePublishVolume(req); + return NodePublishVolumeResponse.newInstance(); + } + + @Override + public NodeUnpublishVolumeResponse nodeUnpublishVolume( + NodeUnpublishVolumeRequest request) throws YarnException, IOException { + if (LOG.isDebugEnabled()) { + LOG.debug("Received nodeUnpublishVolume call, request: {}", + request.toString()); + } + Csi.NodeUnpublishVolumeRequest req = ProtoTranslatorFactory + .getTranslator(NodeUnpublishVolumeRequest.class, + Csi.NodeUnpublishVolumeRequest.class).convertTo(request); + if (LOG.isDebugEnabled()) { + LOG.debug("Translate to CSI proto message: {}", req.toString()); + } + csiClient.nodeUnpublishVolume(req); + return NodeUnpublishVolumeResponse.newInstance(); + } +} diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/test/java/org/apache/hadoop/yarn/csi/adaptor/MockCsiAdaptor.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/test/java/org/apache/hadoop/yarn/csi/adaptor/MockCsiAdaptor.java new file mode 100644 index 00000000000..4bcc5092861 --- /dev/null +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/test/java/org/apache/hadoop/yarn/csi/adaptor/MockCsiAdaptor.java @@ -0,0 +1,85 @@ +/** + * 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.csi.adaptor; + +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.yarn.api.CsiAdaptorPlugin; +import org.apache.hadoop.yarn.api.protocolrecords.GetPluginInfoRequest; +import org.apache.hadoop.yarn.api.protocolrecords.GetPluginInfoResponse; +import org.apache.hadoop.yarn.api.protocolrecords.NodePublishVolumeRequest; +import org.apache.hadoop.yarn.api.protocolrecords.NodePublishVolumeResponse; +import org.apache.hadoop.yarn.api.protocolrecords.NodeUnpublishVolumeRequest; +import org.apache.hadoop.yarn.api.protocolrecords.NodeUnpublishVolumeResponse; +import org.apache.hadoop.yarn.api.protocolrecords.ValidateVolumeCapabilitiesRequest; +import org.apache.hadoop.yarn.api.protocolrecords.ValidateVolumeCapabilitiesResponse; +import org.apache.hadoop.yarn.exceptions.YarnException; + +import java.io.IOException; + +/** + * This class is used by {@link TestCsiAdaptorService} for testing. + * It gives some dummy implementation for a adaptor plugin, and used to + * verify the plugin can be properly loaded by NM and execution logic is + * as expected. + * + * This is created as a separated class instead of an inner class, because + * {@link CsiAdaptorServices} is loading classes using conf.getClass(), + * the utility class is unable to resolve inner classes. + */ +public class MockCsiAdaptor implements CsiAdaptorPlugin { + + private String driverName; + + @Override + public void init(String driverName, Configuration conf) + throws YarnException { + this.driverName = driverName; + } + + @Override + public String getDriverName() { + return this.driverName; + } + + @Override + public GetPluginInfoResponse getPluginInfo( + GetPluginInfoRequest request) throws YarnException, IOException { + return GetPluginInfoResponse.newInstance(driverName, + "1.0"); + } + + @Override + public ValidateVolumeCapabilitiesResponse validateVolumeCapacity( + ValidateVolumeCapabilitiesRequest request) + throws YarnException, IOException { + return ValidateVolumeCapabilitiesResponse.newInstance(true, + "verified via MockCsiAdaptor"); + } + + @Override + public NodePublishVolumeResponse nodePublishVolume( + NodePublishVolumeRequest request) throws YarnException, IOException { + return null; + } + + @Override + public NodeUnpublishVolumeResponse nodeUnpublishVolume( + NodeUnpublishVolumeRequest request) throws YarnException, IOException { + return null; + } +} diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/test/java/org/apache/hadoop/yarn/csi/adaptor/TestCsiAdaptorService.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/test/java/org/apache/hadoop/yarn/csi/adaptor/TestCsiAdaptorService.java index d6ee231b0c1..c415ced7488 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/test/java/org/apache/hadoop/yarn/csi/adaptor/TestCsiAdaptorService.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/test/java/org/apache/hadoop/yarn/csi/adaptor/TestCsiAdaptorService.java @@ -27,13 +27,19 @@ import org.apache.hadoop.security.UserGroupInformation; import org.apache.hadoop.service.ServiceStateException; import org.apache.hadoop.test.GenericTestUtils; import org.apache.hadoop.yarn.api.CsiAdaptorProtocol; +import org.apache.hadoop.yarn.api.CsiAdaptorPlugin; import org.apache.hadoop.yarn.api.impl.pb.client.CsiAdaptorProtocolPBClientImpl; +import org.apache.hadoop.yarn.api.protocolrecords.GetPluginInfoRequest; +import org.apache.hadoop.yarn.api.protocolrecords.GetPluginInfoResponse; +import org.apache.hadoop.yarn.api.protocolrecords.NodePublishVolumeRequest; +import org.apache.hadoop.yarn.api.protocolrecords.NodePublishVolumeResponse; +import org.apache.hadoop.yarn.api.protocolrecords.NodeUnpublishVolumeRequest; +import org.apache.hadoop.yarn.api.protocolrecords.NodeUnpublishVolumeResponse; import org.apache.hadoop.yarn.api.protocolrecords.ValidateVolumeCapabilitiesRequest; import org.apache.hadoop.yarn.api.protocolrecords.ValidateVolumeCapabilitiesResponse; import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.ValidateVolumeCapabilitiesRequestPBImpl; import org.apache.hadoop.yarn.client.NMProxy; import org.apache.hadoop.yarn.conf.YarnConfiguration; -import org.apache.hadoop.yarn.csi.client.ICsiClientTest; import org.apache.hadoop.yarn.exceptions.YarnException; import org.apache.hadoop.yarn.ipc.YarnRPC; import org.junit.AfterClass; @@ -72,6 +78,39 @@ public class TestCsiAdaptorService { } } + private interface FakeCsiAdaptor extends CsiAdaptorPlugin { + + default void init(String driverName, Configuration conf) + throws YarnException { + return; + } + + default String getDriverName() { + return null; + } + + default GetPluginInfoResponse getPluginInfo(GetPluginInfoRequest request) + throws YarnException, IOException { + return null; + } + + default ValidateVolumeCapabilitiesResponse validateVolumeCapacity( + ValidateVolumeCapabilitiesRequest request) throws YarnException, + IOException { + return null; + } + + default NodePublishVolumeResponse nodePublishVolume( + NodePublishVolumeRequest request) throws YarnException, IOException { + return null; + } + + default NodeUnpublishVolumeResponse nodeUnpublishVolume( + NodeUnpublishVolumeRequest request) throws YarnException, IOException{ + return null; + } + } + @Test public void testValidateVolume() throws IOException, YarnException { ServerSocket ss = new ServerSocket(0); @@ -83,50 +122,52 @@ public class TestCsiAdaptorService { address); conf.set( YarnConfiguration.NM_CSI_DRIVER_PREFIX + "test-driver.endpoint", - "unix:///tmp/test-driver.scok"); - CsiAdaptorProtocolService service = - new CsiAdaptorProtocolService("test-driver", domainSocket); - service.init(conf); - service.start(); + "unix:///tmp/test-driver.sock"); - // inject a fake CSI client + // inject a fake CSI adaptor // this client validates if the ValidateVolumeCapabilitiesRequest // is integrity, and then reply a fake response - service.setCsiClient(new ICsiClientTest() { + CsiAdaptorPlugin plugin = new FakeCsiAdaptor() { @Override - public Csi.GetPluginInfoResponse getPluginInfo() { - return Csi.GetPluginInfoResponse.newBuilder() - .setName("test-plugin") - .setVendorVersion("0.1") - .build(); + public String getDriverName() { + return "test-driver"; + } + + + @Override + public GetPluginInfoResponse getPluginInfo(GetPluginInfoRequest request) { + return GetPluginInfoResponse.newInstance("test-plugin", "0.1"); } @Override - public Csi.ValidateVolumeCapabilitiesResponse validateVolumeCapabilities( - Csi.ValidateVolumeCapabilitiesRequest request) { + public ValidateVolumeCapabilitiesResponse validateVolumeCapacity( + ValidateVolumeCapabilitiesRequest request) throws YarnException, + IOException { // validate we get all info from the request Assert.assertEquals("volume-id-0000123", request.getVolumeId()); - Assert.assertEquals(1, request.getVolumeCapabilitiesCount()); + Assert.assertEquals(1, request.getVolumeCapabilities().size()); Assert.assertEquals(Csi.VolumeCapability.AccessMode - .newBuilder().setModeValue(5).build(), - request.getVolumeCapabilities(0).getAccessMode()); - Assert.assertTrue(request.getVolumeCapabilities(0).hasMount()); - Assert.assertEquals(2, request.getVolumeCapabilities(0) - .getMount().getMountFlagsCount()); - Assert.assertTrue(request.getVolumeCapabilities(0) - .getMount().getMountFlagsList().contains("mountFlag1")); - Assert.assertTrue(request.getVolumeCapabilities(0) - .getMount().getMountFlagsList().contains("mountFlag2")); - Assert.assertEquals(2, request.getVolumeAttributesCount()); - Assert.assertEquals("v1", request.getVolumeAttributesMap().get("k1")); - Assert.assertEquals("v2", request.getVolumeAttributesMap().get("k2")); + .newBuilder().setModeValue(5).build().getMode().name(), + request.getVolumeCapabilities().get(0).getAccessMode().name()); + Assert.assertEquals(2, request.getVolumeCapabilities().get(0) + .getMountFlags().size()); + Assert.assertTrue(request.getVolumeCapabilities().get(0) + .getMountFlags().contains("mountFlag1")); + Assert.assertTrue(request.getVolumeCapabilities().get(0) + .getMountFlags().contains("mountFlag2")); + Assert.assertEquals(2, request.getVolumeAttributes().size()); + Assert.assertEquals("v1", request.getVolumeAttributes().get("k1")); + Assert.assertEquals("v2", request.getVolumeAttributes().get("k2")); // return a fake result - return Csi.ValidateVolumeCapabilitiesResponse.newBuilder() - .setSupported(false) - .setMessage("this is a test") - .build(); + return ValidateVolumeCapabilitiesResponse + .newInstance(false, "this is a test"); } - }); + }; + + CsiAdaptorProtocolService service = + new CsiAdaptorProtocolService(plugin); + service.init(conf); + service.start(); try (CsiAdaptorProtocolPBClientImpl client = new CsiAdaptorProtocolPBClientImpl(1L, address, new Configuration())) { @@ -161,50 +202,53 @@ public class TestCsiAdaptorService { address); conf.set( YarnConfiguration.NM_CSI_DRIVER_PREFIX + "test-driver.endpoint", - "unix:///tmp/test-driver.scok"); - CsiAdaptorProtocolService service = - new CsiAdaptorProtocolService("test-driver", domainSocket); - service.init(conf); - service.start(); + "unix:///tmp/test-driver.sock"); - // inject a fake CSI client + // inject a fake CSI adaptor // this client validates if the ValidateVolumeCapabilitiesRequest // is integrity, and then reply a fake response - service.setCsiClient(new ICsiClientTest() { + FakeCsiAdaptor plugin = new FakeCsiAdaptor() { @Override - public Csi.GetPluginInfoResponse getPluginInfo() { - return Csi.GetPluginInfoResponse.newBuilder() - .setName("test-plugin") - .setVendorVersion("0.1") - .build(); + public String getDriverName() { + return "test-driver"; } @Override - public Csi.ValidateVolumeCapabilitiesResponse validateVolumeCapabilities( - Csi.ValidateVolumeCapabilitiesRequest request) { + public GetPluginInfoResponse getPluginInfo( + GetPluginInfoRequest request) throws YarnException, IOException { + return GetPluginInfoResponse.newInstance("test-plugin", "0.1"); + } + + @Override + public ValidateVolumeCapabilitiesResponse validateVolumeCapacity( + ValidateVolumeCapabilitiesRequest request) + throws YarnException, IOException { // validate we get all info from the request Assert.assertEquals("volume-id-0000123", request.getVolumeId()); - Assert.assertEquals(1, request.getVolumeCapabilitiesCount()); - Assert.assertEquals(Csi.VolumeCapability.AccessMode - .newBuilder().setModeValue(5).build(), - request.getVolumeCapabilities(0).getAccessMode()); - Assert.assertTrue(request.getVolumeCapabilities(0).hasMount()); - Assert.assertEquals(2, request.getVolumeCapabilities(0) - .getMount().getMountFlagsCount()); - Assert.assertTrue(request.getVolumeCapabilities(0) - .getMount().getMountFlagsList().contains("mountFlag1")); - Assert.assertTrue(request.getVolumeCapabilities(0) - .getMount().getMountFlagsList().contains("mountFlag2")); - Assert.assertEquals(2, request.getVolumeAttributesCount()); - Assert.assertEquals("v1", request.getVolumeAttributesMap().get("k1")); - Assert.assertEquals("v2", request.getVolumeAttributesMap().get("k2")); + Assert.assertEquals(1, request.getVolumeCapabilities().size()); + Assert.assertEquals( + Csi.VolumeCapability.AccessMode.newBuilder().setModeValue(5) + .build().getMode().name(), + request.getVolumeCapabilities().get(0).getAccessMode().name()); + Assert.assertEquals(2, + request.getVolumeCapabilities().get(0).getMountFlags().size()); + Assert.assertTrue(request.getVolumeCapabilities().get(0).getMountFlags() + .contains("mountFlag1")); + Assert.assertTrue(request.getVolumeCapabilities().get(0).getMountFlags() + .contains("mountFlag2")); + Assert.assertEquals(2, request.getVolumeAttributes().size()); + Assert.assertEquals("v1", request.getVolumeAttributes().get("k1")); + Assert.assertEquals("v2", request.getVolumeAttributes().get("k2")); // return a fake result - return Csi.ValidateVolumeCapabilitiesResponse.newBuilder() - .setSupported(false) - .setMessage("this is a test") - .build(); + return ValidateVolumeCapabilitiesResponse + .newInstance(false, "this is a test"); } - }); + }; + + CsiAdaptorProtocolService service = + new CsiAdaptorProtocolService(plugin); + service.init(conf); + service.start(); YarnRPC rpc = YarnRPC.create(conf); UserGroupInformation currentUser = UserGroupInformation.getCurrentUser(); @@ -232,7 +276,7 @@ public class TestCsiAdaptorService { public void testMissingConfiguration() { Configuration conf = new Configuration(); CsiAdaptorProtocolService service = - new CsiAdaptorProtocolService("test-driver", domainSocket); + new CsiAdaptorProtocolService(new FakeCsiAdaptor() {}); service.init(conf); } @@ -243,7 +287,7 @@ public class TestCsiAdaptorService { + "test-driver-0001.address", "0.0.0.0:-100"); // this is an invalid address CsiAdaptorProtocolService service = - new CsiAdaptorProtocolService("test-driver-0001", domainSocket); + new CsiAdaptorProtocolService(new FakeCsiAdaptor() {}); service.init(conf); } @@ -254,7 +298,151 @@ public class TestCsiAdaptorService { + "test-driver-0001.address", "192.0.1:8999"); // this is an invalid ip address CsiAdaptorProtocolService service = - new CsiAdaptorProtocolService("test-driver-0001", domainSocket); + new CsiAdaptorProtocolService(new FakeCsiAdaptor() {}); service.init(conf); } + + @Test + public void testCustomizedAdaptor() throws IOException, YarnException { + ServerSocket ss = new ServerSocket(0); + ss.close(); + InetSocketAddress address = new InetSocketAddress(ss.getLocalPort()); + Configuration conf = new Configuration(); + conf.set(YarnConfiguration.NM_CSI_DRIVER_NAMES, "customized-driver"); + conf.setSocketAddr( + YarnConfiguration.NM_CSI_ADAPTOR_PREFIX + "customized-driver.address", + address); + conf.set( + YarnConfiguration.NM_CSI_ADAPTOR_PREFIX + "customized-driver.class", + "org.apache.hadoop.yarn.csi.adaptor.MockCsiAdaptor"); + conf.set( + YarnConfiguration.NM_CSI_DRIVER_PREFIX + "customized-driver.endpoint", + "unix:///tmp/customized-driver.sock"); + + CsiAdaptorServices services = + new CsiAdaptorServices(); + services.init(conf); + services.start(); + + YarnRPC rpc = YarnRPC.create(conf); + UserGroupInformation currentUser = UserGroupInformation.getCurrentUser(); + CsiAdaptorProtocol adaptorClient = NMProxy + .createNMProxy(conf, CsiAdaptorProtocol.class, currentUser, rpc, + NetUtils.createSocketAddrForHost("localhost", ss.getLocalPort())); + + // Test getPluginInfo + GetPluginInfoResponse pluginInfo = + adaptorClient.getPluginInfo(GetPluginInfoRequest.newInstance()); + Assert.assertEquals(pluginInfo.getDriverName(), "customized-driver"); + Assert.assertEquals(pluginInfo.getVersion(), "1.0"); + + // Test validateVolumeCapacity + ValidateVolumeCapabilitiesRequest request = + ValidateVolumeCapabilitiesRequestPBImpl + .newInstance("volume-id-0000123", + ImmutableList.of(new ValidateVolumeCapabilitiesRequest + .VolumeCapability( + MULTI_NODE_MULTI_WRITER, FILE_SYSTEM, + ImmutableList.of("mountFlag1", "mountFlag2"))), + ImmutableMap.of("k1", "v1", "k2", "v2")); + + ValidateVolumeCapabilitiesResponse response = adaptorClient + .validateVolumeCapacity(request); + Assert.assertEquals(true, response.isSupported()); + Assert.assertEquals("verified via MockCsiAdaptor", + response.getResponseMessage()); + + services.stop(); + } + + @Test + public void testMultipleCsiAdaptors() throws IOException, YarnException { + ServerSocket driver1Addr = new ServerSocket(0); + ServerSocket driver2Addr = new ServerSocket(0); + + InetSocketAddress address1 = + new InetSocketAddress(driver1Addr.getLocalPort()); + InetSocketAddress address2 = + new InetSocketAddress(driver2Addr.getLocalPort()); + + Configuration conf = new Configuration(); + + // Two csi-drivers configured + conf.set(YarnConfiguration.NM_CSI_DRIVER_NAMES, + "customized-driver-1,customized-driver-2"); + + // customized-driver-1 + conf.setSocketAddr(YarnConfiguration.NM_CSI_ADAPTOR_PREFIX + + "customized-driver-1.address", address1); + conf.set(YarnConfiguration.NM_CSI_ADAPTOR_PREFIX + + "customized-driver-1.class", + "org.apache.hadoop.yarn.csi.adaptor.MockCsiAdaptor"); + conf.set(YarnConfiguration.NM_CSI_DRIVER_PREFIX + + "customized-driver-1.endpoint", + "unix:///tmp/customized-driver-1.sock"); + + // customized-driver-2 + conf.setSocketAddr(YarnConfiguration.NM_CSI_ADAPTOR_PREFIX + + "customized-driver-2.address", address2); + conf.set(YarnConfiguration.NM_CSI_ADAPTOR_PREFIX + + "customized-driver-2.class", + "org.apache.hadoop.yarn.csi.adaptor.MockCsiAdaptor"); + conf.set(YarnConfiguration.NM_CSI_DRIVER_PREFIX + + "customized-driver-2.endpoint", + "unix:///tmp/customized-driver-2.sock"); + + driver1Addr.close(); + driver2Addr.close(); + + CsiAdaptorServices services = + new CsiAdaptorServices(); + services.init(conf); + services.start(); + + YarnRPC rpc = YarnRPC.create(conf); + UserGroupInformation currentUser = UserGroupInformation.getCurrentUser(); + CsiAdaptorProtocol client1 = NMProxy + .createNMProxy(conf, CsiAdaptorProtocol.class, currentUser, rpc, + NetUtils.createSocketAddrForHost("localhost", + driver1Addr.getLocalPort())); + + // *************************************************** + // Verify talking with customized-driver-1 + // *************************************************** + // Test getPluginInfo + GetPluginInfoResponse pluginInfo = + client1.getPluginInfo(GetPluginInfoRequest.newInstance()); + Assert.assertEquals(pluginInfo.getDriverName(), "customized-driver-1"); + Assert.assertEquals(pluginInfo.getVersion(), "1.0"); + + // Test validateVolumeCapacity + ValidateVolumeCapabilitiesRequest request = + ValidateVolumeCapabilitiesRequestPBImpl + .newInstance("driver-1-volume-00001", + ImmutableList.of(new ValidateVolumeCapabilitiesRequest + .VolumeCapability( + MULTI_NODE_MULTI_WRITER, FILE_SYSTEM, + ImmutableList.of())), ImmutableMap.of()); + + ValidateVolumeCapabilitiesResponse response = client1 + .validateVolumeCapacity(request); + Assert.assertEquals(true, response.isSupported()); + Assert.assertEquals("verified via MockCsiAdaptor", + response.getResponseMessage()); + + + // *************************************************** + // Verify talking with customized-driver-2 + // *************************************************** + CsiAdaptorProtocol client2 = NMProxy + .createNMProxy(conf, CsiAdaptorProtocol.class, currentUser, rpc, + NetUtils.createSocketAddrForHost("localhost", + driver2Addr.getLocalPort())); + GetPluginInfoResponse pluginInfo2 = + client2.getPluginInfo(GetPluginInfoRequest.newInstance()); + Assert.assertEquals(pluginInfo2.getDriverName(), "customized-driver-2"); + Assert.assertEquals(pluginInfo2.getVersion(), "1.0"); + + services.stop(); + } }