[GitHub] [hadoop-ozone] bharatviswa504 commented on a change in pull request #1303: HDDS-4075. Retry request on different OM on AccessControlException

[GitBox <gi...@apache.org>]

bharatviswa504 commented on a change in pull request #1303:
URL: https://github.com/apache/hadoop-ozone/pull/1303#discussion_r488867392



##########
File path: hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/failover/TestOMFailovers.java
##########
@@ -0,0 +1,148 @@
+/**
+ * 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.ozone.om.failover;
+
+import com.google.protobuf.RpcController;
+import com.google.protobuf.ServiceException;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+
+import org.apache.hadoop.hdds.conf.ConfigurationSource;
+import org.apache.hadoop.hdds.conf.OzoneConfiguration;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.io.retry.RetryProxy;
+import org.apache.hadoop.ozone.om.ha.OMFailoverProxyProvider;
+import org.apache.hadoop.ozone.om.ha.OMProxyInfo;
+import org.apache.hadoop.ozone.om.protocolPB.OzoneManagerProtocolPB;
+import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos;
+import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.OMResponse;
+import org.apache.hadoop.security.AccessControlException;
+import org.apache.hadoop.test.GenericTestUtils;
+import org.junit.Assert;
+import org.junit.Test;
+import org.slf4j.event.Level;
+
+/**
+ * Tests OM failover protocols using a Mock Failover provider and a Mock OM
+ * Protocol.
+ */
+public class TestOMFailovers {
+
+  private ConfigurationSource conf = new OzoneConfiguration();
+  private Exception testException;
+
+  @Test
+  public void test1() throws Exception {

Review comment:
       Minor: Can we name test with the test it is trying to perform like testAccessControlException

##########
File path: hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/failover/TestOMFailovers.java
##########
@@ -0,0 +1,148 @@
+/**
+ * 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.ozone.om.failover;
+
+import com.google.protobuf.RpcController;
+import com.google.protobuf.ServiceException;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+
+import org.apache.hadoop.hdds.conf.ConfigurationSource;
+import org.apache.hadoop.hdds.conf.OzoneConfiguration;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.io.retry.RetryProxy;
+import org.apache.hadoop.ozone.om.ha.OMFailoverProxyProvider;
+import org.apache.hadoop.ozone.om.ha.OMProxyInfo;
+import org.apache.hadoop.ozone.om.protocolPB.OzoneManagerProtocolPB;
+import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos;
+import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.OMResponse;
+import org.apache.hadoop.security.AccessControlException;
+import org.apache.hadoop.test.GenericTestUtils;
+import org.junit.Assert;
+import org.junit.Test;
+import org.slf4j.event.Level;
+
+/**
+ * Tests OM failover protocols using a Mock Failover provider and a Mock OM
+ * Protocol.
+ */
+public class TestOMFailovers {
+
+  private ConfigurationSource conf = new OzoneConfiguration();
+  private Exception testException;
+
+  @Test
+  public void test1() throws Exception {
+
+    testException = new AccessControlException();
+
+    GenericTestUtils.setLogLevel(OMFailoverProxyProvider.LOG, Level.DEBUG);
+    GenericTestUtils.LogCapturer logCapturer = GenericTestUtils.LogCapturer
+        .captureLogs(OMFailoverProxyProvider.LOG);
+
+    MockFailoverProxyProvider failoverProxyProvider =
+        new MockFailoverProxyProvider(conf);
+
+    OzoneManagerProtocolPB proxy = (OzoneManagerProtocolPB) RetryProxy
+        .create(OzoneManagerProtocolPB.class, failoverProxyProvider,
+            failoverProxyProvider.getRetryPolicy(9));

Review comment:
       Minor: Can we use the default, if there is no special reason to use value 9




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