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Posted to commits@sentry.apache.org by sp...@apache.org on 2018/05/29 18:06:28 UTC

[09/43] sentry git commit: SENTRY-2208: Refactor out Sentry service into own module from sentry-provider-db (Anthony Young-Garner, reviewed by Sergio Pena, Steve Moist, Na Li)

http://git-wip-us.apache.org/repos/asf/sentry/blob/b97f5c7a/sentry-service/sentry-service-server/src/test/java/org/apache/sentry/api/service/thrift/TestSentryServiceImportExport.java
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diff --git a/sentry-service/sentry-service-server/src/test/java/org/apache/sentry/api/service/thrift/TestSentryServiceImportExport.java b/sentry-service/sentry-service-server/src/test/java/org/apache/sentry/api/service/thrift/TestSentryServiceImportExport.java
new file mode 100644
index 0000000..cf1fdab
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+++ b/sentry-service/sentry-service-server/src/test/java/org/apache/sentry/api/service/thrift/TestSentryServiceImportExport.java
@@ -0,0 +1,751 @@
+/**
+ * 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.sentry.api.service.thrift;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.util.Map;
+import java.util.Set;
+
+import org.apache.sentry.core.common.utils.SentryConstants;
+import org.apache.sentry.core.common.utils.PolicyFileConstants;
+import org.apache.sentry.service.thrift.SentryServiceIntegrationBase;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import com.google.common.collect.Maps;
+import com.google.common.collect.Sets;
+
+public class TestSentryServiceImportExport extends SentryServiceIntegrationBase {
+
+  // define the privileges
+  public static String PRIVILIEGE1 = "server=server1";
+  public static String PRIVILIEGE2 = "server=server1->action=select->grantoption=false";
+  public static String PRIVILIEGE3 = "server=server1->db=db2->action=insert->grantoption=true";
+  public static String PRIVILIEGE4 = "server=server1->db=db1->table=tbl1->action=insert";
+  public static String PRIVILIEGE5 = "server=server1->db=db1->table=tbl2->column=col1->action=insert";
+  public static String PRIVILIEGE6 = "server=server1->db=db1->table=tbl3->column=col1->action=*->grantoption=true";
+  public static String PRIVILIEGE7 = "server=server1->db=db1->table=tbl4->column=col1->action=all->grantoption=true";
+  public static String PRIVILIEGE8 = "server=server1->uri=hdfs://testserver:9999/path2->action=insert";
+  public static String PRIVILIEGE9 = "server=server1->db=db2->table=tbl1->action=insert";
+
+  @BeforeClass
+  public static void setup() throws Exception {
+    kerberos = false;
+    setupConf();
+    startSentryService();
+  }
+
+  @Before
+  public void preparePolicyFile() throws Exception {
+    super.before();
+    String requestorUserName = ADMIN_USER;
+    Set<String> requestorUserGroupNames = Sets.newHashSet(ADMIN_GROUP);
+    setLocalGroupMapping(requestorUserName, requestorUserGroupNames);
+    writePolicyFile();
+  }
+
+  // Befor import, database is empty.
+  // The following information is imported:
+  // group1=role1,role2,role3
+  // group2=role1,role2,role3
+  // group3=role1,role2,role3
+  // role1=privilege1,privilege2,privilege3,privilege4,privilege5,privilege6,privilege7,privilege8
+  // role2=privilege1,privilege2,privilege3,privilege4,privilege5,privilege6,privilege7,privilege8
+  // role3=privilege1,privilege2,privilege3,privilege4,privilege5,privilege6,privilege7,privilege8
+  // Both import API importPolicy and export API exportPoicy are tested.
+  @Test
+  public void testImportExportPolicy1() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        Map<String, Map<String, Set<String>>> policyFileMappingData = Maps.newHashMap();
+        Map<String, Set<String>> groupRolesMap = Maps.newHashMap();
+        Set<String> roles = Sets.newHashSet("role1", "role2", "role3");
+        groupRolesMap.put("group1", roles);
+        groupRolesMap.put("group2", roles);
+        groupRolesMap.put("group3", roles);
+        Map<String, Set<String>> rolePrivilegesMap = Maps.newHashMap();
+        for (String roleName : roles) {
+          rolePrivilegesMap.put(roleName, Sets.newHashSet(PRIVILIEGE1, PRIVILIEGE2, PRIVILIEGE3,
+              PRIVILIEGE4, PRIVILIEGE5, PRIVILIEGE6, PRIVILIEGE7, PRIVILIEGE8));
+        }
+        policyFileMappingData.put(PolicyFileConstants.GROUPS, groupRolesMap);
+        policyFileMappingData.put(PolicyFileConstants.ROLES, rolePrivilegesMap);
+        client.importPolicy(policyFileMappingData, ADMIN_USER, false);
+
+        Map<String, Map<String, Set<String>>> sentryMappingData = client.exportPolicy(ADMIN_USER, null);
+        validateSentryMappingData(sentryMappingData,
+            policyFileMappingData);
+      }
+    });
+  }
+
+  // call import twice, and there has no duplicate data:
+  // The data for 1st import:
+  // group1=role1
+  // role1=privilege1,privilege2,privilege3,privilege4
+  // The data for 2nd import:
+  // group2=role2,role3
+  // group3=role2,role3
+  // role2=privilege5,privilege6,privilege7,privilege8
+  // role3=privilege5,privilege6,privilege7,privilege8
+  // Both import API importPolicy and export API exportPoicy are tested.
+  @Test
+  public void testImportExportPolicy2() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        Map<String, Map<String, Set<String>>> policyFileMappingData1 = Maps.newHashMap();
+        Map<String, Set<String>> groupRolesMap1 = Maps.newHashMap();
+        groupRolesMap1.put("group1", Sets.newHashSet("role1"));
+        Map<String, Set<String>> rolePrivilegesMap1 = Maps.newHashMap();
+        rolePrivilegesMap1.put("role1",
+            Sets.newHashSet(PRIVILIEGE1, PRIVILIEGE2, PRIVILIEGE3, PRIVILIEGE4));
+        policyFileMappingData1.put(PolicyFileConstants.GROUPS, groupRolesMap1);
+        policyFileMappingData1.put(PolicyFileConstants.ROLES, rolePrivilegesMap1);
+        client.importPolicy(policyFileMappingData1, ADMIN_USER, false);
+
+        Map<String, Map<String, Set<String>>> policyFileMappingData2 = Maps.newHashMap();
+        Map<String, Set<String>> groupRolesMap2 = Maps.newHashMap();
+        groupRolesMap2.put("group2", Sets.newHashSet("role2", "role3"));
+        groupRolesMap2.put("group3", Sets.newHashSet("role2", "role3"));
+        Map<String, Set<String>> rolePrivilegesMap2 = Maps.newHashMap();
+        rolePrivilegesMap2.put("role2",
+            Sets.newHashSet(PRIVILIEGE5, PRIVILIEGE6, PRIVILIEGE7, PRIVILIEGE8));
+        rolePrivilegesMap2.put("role3",
+            Sets.newHashSet(PRIVILIEGE5, PRIVILIEGE6, PRIVILIEGE7, PRIVILIEGE8));
+        policyFileMappingData2.put(PolicyFileConstants.GROUPS, groupRolesMap2);
+        policyFileMappingData2.put(PolicyFileConstants.ROLES, rolePrivilegesMap2);
+        client.importPolicy(policyFileMappingData2, ADMIN_USER, false);
+
+        Map<String, Map<String, Set<String>>> exceptedMappingData = Maps.newHashMap();
+        // for exceptedMappingData, combine policyFileMappingData1 and policyFileMappingData2
+        exceptedMappingData.put(PolicyFileConstants.GROUPS,
+            policyFileMappingData1.get(PolicyFileConstants.GROUPS));
+        exceptedMappingData.get(PolicyFileConstants.GROUPS).putAll(
+            policyFileMappingData2.get(PolicyFileConstants.GROUPS));
+        exceptedMappingData.put(PolicyFileConstants.ROLES,
+            policyFileMappingData1.get(PolicyFileConstants.ROLES));
+        exceptedMappingData.get(PolicyFileConstants.ROLES).putAll(
+            policyFileMappingData2.get(PolicyFileConstants.ROLES));
+
+        Map<String, Map<String, Set<String>>> sentryMappingData = client.exportPolicy(ADMIN_USER, null);
+        validateSentryMappingData(sentryMappingData, exceptedMappingData);
+      }
+    });
+  }
+
+  // Call import twice, and there has overlapping groups
+  // The data for 1st import:
+  // group1=role1, role2
+  // group2=role1, role2
+  // group3=role1, role2
+  // role1=privilege1,privilege2,privilege3,privilege4,privilege5
+  // role2=privilege1,privilege2,privilege3,privilege4,privilege5
+  // The data for 2nd import:
+  // group1=role2,role3
+  // group2=role2,role3
+  // group3=role2,role3
+  // role2=privilege4,privilege5,privilege6,privilege7,privilege8
+  // role3=privilege4,privilege5,privilege6,privilege7,privilege8
+  // Both import API importPolicy and export API exportPoicy are tested.
+  @Test
+  public void testImportExportPolicy3() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        Map<String, Map<String, Set<String>>> policyFileMappingData1 = Maps.newHashMap();
+        Map<String, Set<String>> groupRolesMap1 = Maps.newHashMap();
+        groupRolesMap1.put("group1", Sets.newHashSet("role1", "role2"));
+        groupRolesMap1.put("group2", Sets.newHashSet("role1", "role2"));
+        groupRolesMap1.put("group3", Sets.newHashSet("role1", "role2"));
+        Map<String, Set<String>> rolePrivilegesMap1 = Maps.newHashMap();
+        rolePrivilegesMap1.put("role1",
+            Sets.newHashSet(PRIVILIEGE1, PRIVILIEGE2, PRIVILIEGE3, PRIVILIEGE4, PRIVILIEGE5));
+        rolePrivilegesMap1.put("role2",
+            Sets.newHashSet(PRIVILIEGE1, PRIVILIEGE2, PRIVILIEGE3, PRIVILIEGE4, PRIVILIEGE5));
+        policyFileMappingData1.put(PolicyFileConstants.GROUPS, groupRolesMap1);
+        policyFileMappingData1.put(PolicyFileConstants.ROLES, rolePrivilegesMap1);
+        client.importPolicy(policyFileMappingData1, ADMIN_USER, false);
+
+        Map<String, Map<String, Set<String>>> policyFileMappingData2 = Maps.newHashMap();
+        Map<String, Set<String>> groupRolesMap2 = Maps.newHashMap();
+        groupRolesMap2.put("group1", Sets.newHashSet("role2", "role3"));
+        groupRolesMap2.put("group2", Sets.newHashSet("role2", "role3"));
+        groupRolesMap2.put("group3", Sets.newHashSet("role2", "role3"));
+        Map<String, Set<String>> rolePrivilegesMap2 = Maps.newHashMap();
+        rolePrivilegesMap2.put("role2",
+            Sets.newHashSet(PRIVILIEGE4, PRIVILIEGE5, PRIVILIEGE6, PRIVILIEGE7, PRIVILIEGE8));
+        rolePrivilegesMap2.put("role3",
+            Sets.newHashSet(PRIVILIEGE4, PRIVILIEGE5, PRIVILIEGE6, PRIVILIEGE7, PRIVILIEGE8));
+        policyFileMappingData2.put(PolicyFileConstants.GROUPS, groupRolesMap2);
+        policyFileMappingData2.put(PolicyFileConstants.ROLES, rolePrivilegesMap2);
+        client.importPolicy(policyFileMappingData2, ADMIN_USER, false);
+
+        Map<String, Map<String, Set<String>>> exceptedMappingData = Maps.newHashMap();
+        Map<String, Set<String>> exceptedRolesMap = Maps.newHashMap();
+        exceptedRolesMap.put("group1", Sets.newHashSet("role1", "role2", "role3"));
+        exceptedRolesMap.put("group2", Sets.newHashSet("role1", "role2", "role3"));
+        exceptedRolesMap.put("group3", Sets.newHashSet("role1", "role2", "role3"));
+        Map<String, Set<String>> exceptedPrivilegesMap = Maps.newHashMap();
+        exceptedPrivilegesMap.put("role1",
+            Sets.newHashSet(PRIVILIEGE1, PRIVILIEGE2, PRIVILIEGE3, PRIVILIEGE4, PRIVILIEGE5));
+        exceptedPrivilegesMap.put("role2", Sets.newHashSet(PRIVILIEGE1, PRIVILIEGE2, PRIVILIEGE3,
+            PRIVILIEGE4, PRIVILIEGE5, PRIVILIEGE6, PRIVILIEGE7, PRIVILIEGE8));
+        exceptedPrivilegesMap.put("role3",
+            Sets.newHashSet(PRIVILIEGE4, PRIVILIEGE5, PRIVILIEGE6, PRIVILIEGE7, PRIVILIEGE8));
+        exceptedMappingData.put(PolicyFileConstants.GROUPS, exceptedRolesMap);
+        exceptedMappingData.put(PolicyFileConstants.ROLES, exceptedPrivilegesMap);
+
+        Map<String, Map<String, Set<String>>> sentryMappingData = client.exportPolicy(ADMIN_USER, null);
+        validateSentryMappingData(sentryMappingData, exceptedMappingData);
+      }
+    });
+  }
+
+  // Only mapping data for [group,role] is imported:
+  // group1=role1,role2
+  @Test
+  public void testImportExportPolicy4() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        Map<String, Map<String, Set<String>>> policyFileMappingData = Maps.newHashMap();
+        Map<String, Set<String>> groupRolesMap = Maps.newHashMap();
+        Set<String> roles = Sets.newHashSet("role1", "role2");
+        groupRolesMap.put("group1", roles);
+        Map<String, Set<String>> rolePrivilegesMap = Maps.newHashMap();
+        policyFileMappingData.put(PolicyFileConstants.GROUPS, groupRolesMap);
+        policyFileMappingData.put(PolicyFileConstants.ROLES, rolePrivilegesMap);
+        client.importPolicy(policyFileMappingData, ADMIN_USER, false);
+
+        Map<String, Map<String, Set<String>>> sentryMappingData = client.exportPolicy(ADMIN_USER, null);
+        validateSentryMappingData(sentryMappingData,
+            policyFileMappingData);
+      }
+    });
+  }
+
+  // call import twice, and there has no duplicate data, the import will be with the overwrite mode:
+  // The data for 1st import:
+  // group1=role1
+  // role1=privilege1
+  // The data for 2nd import:
+  // group2=role2,role3
+  // group3=role2,role3
+  // role2=privilege2
+  // role3=privilege2
+  // Both import API importSentryMetaData and export APIs getRolesMap, getGroupsMap,
+  // getPrivilegesList are tested.
+  @Test
+  public void testImportExportPolicy5() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        Map<String, Map<String, Set<String>>> policyFileMappingData1 = Maps.newHashMap();
+        Map<String, Set<String>> groupRolesMap1 = Maps.newHashMap();
+        groupRolesMap1.put("group1", Sets.newHashSet("role1"));
+        Map<String, Set<String>> rolePrivilegesMap1 = Maps.newHashMap();
+        rolePrivilegesMap1.put("role1", Sets.newHashSet(PRIVILIEGE1));
+        policyFileMappingData1.put(PolicyFileConstants.GROUPS, groupRolesMap1);
+        policyFileMappingData1.put(PolicyFileConstants.ROLES, rolePrivilegesMap1);
+        client.importPolicy(policyFileMappingData1, ADMIN_USER, true);
+
+        Map<String, Map<String, Set<String>>> policyFileMappingData2 = Maps.newHashMap();
+        Map<String, Set<String>> groupRolesMap2 = Maps.newHashMap();
+        groupRolesMap2.put("group2", Sets.newHashSet("role2", "role3"));
+        groupRolesMap2.put("group3", Sets.newHashSet("role2", "role3"));
+        Map<String, Set<String>> rolePrivilegesMap2 = Maps.newHashMap();
+        rolePrivilegesMap2.put("role2", Sets.newHashSet(PRIVILIEGE2));
+        rolePrivilegesMap2.put("role3", Sets.newHashSet(PRIVILIEGE2));
+        policyFileMappingData2.put(PolicyFileConstants.GROUPS, groupRolesMap2);
+        policyFileMappingData2.put(PolicyFileConstants.ROLES, rolePrivilegesMap2);
+        client.importPolicy(policyFileMappingData2, ADMIN_USER, true);
+
+        Map<String, Map<String, Set<String>>> exceptedMappingData = Maps.newHashMap();
+        Map<String, Set<String>> exceptedRolesMap = Maps.newHashMap();
+        exceptedRolesMap.put("group1", Sets.newHashSet("role1"));
+        exceptedRolesMap.put("group2", Sets.newHashSet("role2", "role3"));
+        exceptedRolesMap.put("group3", Sets.newHashSet("role2", "role3"));
+        Map<String, Set<String>> exceptedPrivilegesMap = Maps.newHashMap();
+        exceptedPrivilegesMap.put("role1", Sets.newHashSet(PRIVILIEGE1));
+        exceptedPrivilegesMap.put("role2", Sets.newHashSet(PRIVILIEGE2));
+        exceptedPrivilegesMap.put("role3", Sets.newHashSet(PRIVILIEGE2));
+        exceptedMappingData.put(PolicyFileConstants.GROUPS, exceptedRolesMap);
+        exceptedMappingData.put(PolicyFileConstants.ROLES, exceptedPrivilegesMap);
+
+        Map<String, Map<String, Set<String>>> sentryMappingData = client.exportPolicy(ADMIN_USER, null);
+        validateSentryMappingData(sentryMappingData, exceptedMappingData);
+      }
+    });
+  }
+
+  // call import twice, and there has data overlap, the import will be with the overwrite mode:
+  // The data for 1st import:
+  // group1=role1, role2
+  // group2=role1, role2
+  // group3=role1, role2
+  // role1=privilege1,privilege2,privilege3,privilege4,privilege5
+  // role2=privilege1,privilege2,privilege3,privilege4,privilege5
+  // The data for 2nd import:
+  // group1=role2,role3
+  // group2=role2,role3
+  // group3=role2,role3
+  // role2=privilege4,privilege5,privilege6,privilege7,privilege8
+  // role3=privilege4,privilege5,privilege6,privilege7,privilege8
+  // Both import API importSentryMetaData and export APIs getRolesMap, getGroupsMap,
+  // getPrivilegesList are tested.
+  @Test
+  public void testImportExportPolicy6() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        Map<String, Map<String, Set<String>>> policyFileMappingData1 = Maps.newHashMap();
+        Map<String, Set<String>> groupRolesMap1 = Maps.newHashMap();
+        groupRolesMap1.put("group1", Sets.newHashSet("role1", "role2"));
+        groupRolesMap1.put("group2", Sets.newHashSet("role1", "role2"));
+        groupRolesMap1.put("group3", Sets.newHashSet("role1", "role2"));
+        Map<String, Set<String>> rolePrivilegesMap1 = Maps.newHashMap();
+        rolePrivilegesMap1.put("role1",
+            Sets.newHashSet(PRIVILIEGE1, PRIVILIEGE2, PRIVILIEGE3, PRIVILIEGE4, PRIVILIEGE5));
+        rolePrivilegesMap1.put("role2",
+            Sets.newHashSet(PRIVILIEGE1, PRIVILIEGE2, PRIVILIEGE3, PRIVILIEGE4, PRIVILIEGE5));
+        policyFileMappingData1.put(PolicyFileConstants.GROUPS, groupRolesMap1);
+        policyFileMappingData1.put(PolicyFileConstants.ROLES, rolePrivilegesMap1);
+        client.importPolicy(policyFileMappingData1, ADMIN_USER, true);
+
+        Map<String, Map<String, Set<String>>> policyFileMappingData2 = Maps.newHashMap();
+        Map<String, Set<String>> groupRolesMap2 = Maps.newHashMap();
+        groupRolesMap2.put("group1", Sets.newHashSet("role2", "role3"));
+        groupRolesMap2.put("group2", Sets.newHashSet("role2", "role3"));
+        groupRolesMap2.put("group3", Sets.newHashSet("role2", "role3"));
+        Map<String, Set<String>> rolePrivilegesMap2 = Maps.newHashMap();
+        rolePrivilegesMap2.put("role2",
+            Sets.newHashSet(PRIVILIEGE4, PRIVILIEGE5, PRIVILIEGE6, PRIVILIEGE7, PRIVILIEGE8));
+        rolePrivilegesMap2.put("role3",
+            Sets.newHashSet(PRIVILIEGE4, PRIVILIEGE5, PRIVILIEGE6, PRIVILIEGE7, PRIVILIEGE8));
+        policyFileMappingData2.put(PolicyFileConstants.GROUPS, groupRolesMap2);
+        policyFileMappingData2.put(PolicyFileConstants.ROLES, rolePrivilegesMap2);
+        client.importPolicy(policyFileMappingData2, ADMIN_USER, true);
+
+        Map<String, Map<String, Set<String>>> exceptedMappingData = Maps.newHashMap();
+        Map<String, Set<String>> exceptedRolesMap = Maps.newHashMap();
+        exceptedRolesMap.put("group1", Sets.newHashSet("role1", "role2", "role3"));
+        exceptedRolesMap.put("group2", Sets.newHashSet("role1", "role2", "role3"));
+        exceptedRolesMap.put("group3", Sets.newHashSet("role1", "role2", "role3"));
+        Map<String, Set<String>> exceptedPrivilegesMap = Maps.newHashMap();
+        exceptedPrivilegesMap.put("role1",
+            Sets.newHashSet(PRIVILIEGE1, PRIVILIEGE2, PRIVILIEGE3, PRIVILIEGE4, PRIVILIEGE5));
+        exceptedPrivilegesMap.put("role2",
+            Sets.newHashSet(PRIVILIEGE4, PRIVILIEGE5, PRIVILIEGE6, PRIVILIEGE7, PRIVILIEGE8));
+        exceptedPrivilegesMap.put("role3",
+            Sets.newHashSet(PRIVILIEGE4, PRIVILIEGE5, PRIVILIEGE6, PRIVILIEGE7, PRIVILIEGE8));
+        exceptedMappingData.put(PolicyFileConstants.GROUPS, exceptedRolesMap);
+        exceptedMappingData.put(PolicyFileConstants.ROLES, exceptedPrivilegesMap);
+
+        Map<String, Map<String, Set<String>>> sentryMappingData = client.exportPolicy(ADMIN_USER, null);
+        validateSentryMappingData(sentryMappingData, exceptedMappingData);
+      }
+    });
+  }
+
+  // test the import privileges with the action: All, *, select, insert
+  // All and * should replace the select and insert
+  // The data for import:
+  // group1=role1, role2
+  // role1=testPrivilege1,testPrivilege2,testPrivilege3,testPrivilege4
+  // role2=testPrivilege5, testPrivilege6,testPrivilege7,testPrivilege8
+  @Test
+  public void testImportExportPolicy7() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        String testPrivilege1 = "server=server1->db=db1->table=tbl1->action=select->grantoption=true";
+        String testPrivilege2 = "server=server1->db=db1->table=tbl1->action=insert->grantoption=false";
+        String testPrivilege3 = "server=server1->db=db1->table=tbl1->action=all->grantoption=true";
+        String testPrivilege4 = "server=server1->db=db1->table=tbl1->action=insert->grantoption=true";
+        String testPrivilege5 = "server=server1->db=db1->table=tbl2->action=select->grantoption=true";
+        String testPrivilege6 = "server=server1->db=db1->table=tbl2->action=insert->grantoption=false";
+        String testPrivilege7 = "server=server1->db=db1->table=tbl2->action=*->grantoption=true";
+        String testPrivilege8 = "server=server1->db=db1->table=tbl2->action=insert->grantoption=true";
+
+        Map<String, Map<String, Set<String>>> policyFileMappingData1 = Maps.newHashMap();
+        Map<String, Set<String>> groupRolesMap1 = Maps.newHashMap();
+        groupRolesMap1.put("group1", Sets.newHashSet("role1", "role2"));
+        Map<String, Set<String>> rolePrivilegesMap1 = Maps.newHashMap();
+        rolePrivilegesMap1.put("role1",
+            Sets.newHashSet(testPrivilege1, testPrivilege2, testPrivilege3, testPrivilege4));
+        rolePrivilegesMap1.put("role2",
+            Sets.newHashSet(testPrivilege5, testPrivilege6, testPrivilege7, testPrivilege8));
+        policyFileMappingData1.put(PolicyFileConstants.GROUPS, groupRolesMap1);
+        policyFileMappingData1.put(PolicyFileConstants.ROLES, rolePrivilegesMap1);
+        client.importPolicy(policyFileMappingData1, ADMIN_USER, true);
+
+        Map<String, Map<String, Set<String>>> exceptedMappingData = Maps.newHashMap();
+        Map<String, Set<String>> exceptedRolesMap = Maps.newHashMap();
+        exceptedRolesMap.put("group1", Sets.newHashSet("role1", "role2"));
+        Map<String, Set<String>> exceptedPrivilegesMap = Maps.newHashMap();
+        exceptedPrivilegesMap.put("role1", Sets.newHashSet(testPrivilege2, testPrivilege3));
+        exceptedPrivilegesMap.put("role2", Sets.newHashSet(testPrivilege6, testPrivilege7));
+        exceptedMappingData.put(PolicyFileConstants.GROUPS, exceptedRolesMap);
+        exceptedMappingData.put(PolicyFileConstants.ROLES, exceptedPrivilegesMap);
+
+        Map<String, Map<String, Set<String>>> sentryMappingData = client.exportPolicy(ADMIN_USER, null);
+        validateSentryMappingData(sentryMappingData, exceptedMappingData);
+      }
+    });
+  }
+
+  // Call import twice, and there has overlapping actions, all and * should replace the select and
+  // insert
+  // The data for 1st import:
+  // group1=role1, role2
+  // role1=privilege1(with select action),privilege2(with insert action)
+  // role2=privilege4(with select action),privilege5(with insert action)
+  // The data for 2nd import:
+  // group1=role1, role2
+  // role1=privilege3(with all action)
+  // role2=privilege6(with * action)
+  @Test
+  public void testImportExportPolicy8() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        String testPrivilege1 = "server=server1->db=db1->table=tbl1->action=select->grantoption=true";
+        String testPrivilege2 = "server=server1->db=db1->table=tbl1->action=insert->grantoption=true";
+        String testPrivilege3 = "server=server1->db=db1->table=tbl1->action=all->grantoption=true";
+        String testPrivilege4 = "server=server1->db=db1->table=tbl2->action=select->grantoption=true";
+        String testPrivilege5 = "server=server1->db=db1->table=tbl2->action=insert->grantoption=true";
+        String testPrivilege6 = "server=server1->db=db1->table=tbl2->action=*->grantoption=true";
+
+        Map<String, Map<String, Set<String>>> policyFileMappingData1 = Maps.newHashMap();
+        Map<String, Set<String>> groupRolesMap1 = Maps.newHashMap();
+        groupRolesMap1.put("group1", Sets.newHashSet("role1", "role2"));
+        Map<String, Set<String>> rolePrivilegesMap1 = Maps.newHashMap();
+        rolePrivilegesMap1.put("role1", Sets.newHashSet(testPrivilege1, testPrivilege2));
+        rolePrivilegesMap1.put("role2", Sets.newHashSet(testPrivilege4, testPrivilege5));
+        policyFileMappingData1.put(PolicyFileConstants.GROUPS, groupRolesMap1);
+        policyFileMappingData1.put(PolicyFileConstants.ROLES, rolePrivilegesMap1);
+        client.importPolicy(policyFileMappingData1, ADMIN_USER, false);
+
+        Map<String, Map<String, Set<String>>> policyFileMappingData2 = Maps.newHashMap();
+        Map<String, Set<String>> groupRolesMap2 = Maps.newHashMap();
+        groupRolesMap2.put("group1", Sets.newHashSet("role1", "role2"));
+        Map<String, Set<String>> rolePrivilegesMap2 = Maps.newHashMap();
+        rolePrivilegesMap2.put("role1", Sets.newHashSet(testPrivilege3));
+        rolePrivilegesMap2.put("role2", Sets.newHashSet(testPrivilege6));
+        policyFileMappingData2.put(PolicyFileConstants.GROUPS, groupRolesMap2);
+        policyFileMappingData2.put(PolicyFileConstants.ROLES, rolePrivilegesMap2);
+        client.importPolicy(policyFileMappingData2, ADMIN_USER, false);
+
+        Map<String, Map<String, Set<String>>> exceptedMappingData = policyFileMappingData2;
+        Map<String, Map<String, Set<String>>> sentryMappingData = client.exportPolicy(ADMIN_USER, null);
+        // all and * should replace the select and insert
+        validateSentryMappingData(sentryMappingData, exceptedMappingData);
+      }
+    });
+  }
+
+  // test the user not in the admin group can't do the import/export
+  @Test
+  public void testImportExportPolicy9() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        Map<String, Map<String, Set<String>>> policyFileMappingData1 = Maps.newHashMap();
+        Map<String, Set<String>> groupRolesMap1 = Maps.newHashMap();
+        Map<String, Set<String>> rolePrivilegesMap1 = Maps.newHashMap();
+        policyFileMappingData1.put(PolicyFileConstants.GROUPS, groupRolesMap1);
+        policyFileMappingData1.put(PolicyFileConstants.ROLES, rolePrivilegesMap1);
+        try {
+          client.importPolicy(policyFileMappingData1, "no-admin-user", false);
+          fail("non-admin can't do the import.");
+        } catch (Exception e) {
+          // excepted exception
+        }
+
+        try {
+          client.exportPolicy("no-admin-user", null);
+          fail("non-admin can't do the export.");
+        } catch (Exception e) {
+          // excepted exception
+        }
+      }
+    });
+  }
+
+  // The following data is imported:
+  // group1=role1
+  // group2=role1,role2
+  // group3=role2,role3
+  // group4=role1,role2,role3
+  // role1=privilege3,privilege4,privilege9
+  // role2=privilege3,privilege4,privilege5,privilege6,privilege7
+  // role3=privilege4,privilege5,privilege6,privilege7,privilege8
+  // Export APIs getRoleNameTPrivilegesMap, getGroupNameRoleNamesMap are tested.
+  @Test
+  public void testExportPolicyWithSpecificObject() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        // import the test data
+        Map<String, Map<String, Set<String>>> policyFileMappingData = Maps.newHashMap();
+        Map<String, Set<String>> groupRolesMap = Maps.newHashMap();
+        groupRolesMap.put("group1", Sets.newHashSet("role1"));
+        groupRolesMap.put("group2", Sets.newHashSet("role1", "role2"));
+        groupRolesMap.put("group3", Sets.newHashSet("role2", "role3"));
+        groupRolesMap.put("group4", Sets.newHashSet("role1", "role2", "role3"));
+        Map<String, Set<String>> rolePrivilegesMap1 = Maps.newHashMap();
+        rolePrivilegesMap1.put("role1",
+            Sets.newHashSet(PRIVILIEGE3, PRIVILIEGE4, PRIVILIEGE9));
+        rolePrivilegesMap1.put("role2",
+            Sets.newHashSet(PRIVILIEGE3, PRIVILIEGE4, PRIVILIEGE5,
+            PRIVILIEGE6, PRIVILIEGE7));
+        rolePrivilegesMap1.put("role3",
+            Sets.newHashSet(PRIVILIEGE4, PRIVILIEGE5, PRIVILIEGE6,
+            PRIVILIEGE7, PRIVILIEGE8));
+        policyFileMappingData.put(PolicyFileConstants.GROUPS, groupRolesMap);
+        policyFileMappingData.put(PolicyFileConstants.ROLES, rolePrivilegesMap1);
+        client.importPolicy(policyFileMappingData, ADMIN_USER, true);
+
+        // verify the rolePrivilegesMap and groupRolesMap with null objectPath
+        Map<String, Map<String, Set<String>>> expectedMappingData = Maps.newHashMap();
+        Map<String, Set<String>> expectedGroupRoles = Maps.newHashMap();
+        expectedGroupRoles.put("group1", Sets.newHashSet("role1"));
+        expectedGroupRoles.put("group2", Sets.newHashSet("role1", "role2"));
+        expectedGroupRoles.put("group3", Sets.newHashSet("role2", "role3"));
+        expectedGroupRoles.put("group4", Sets.newHashSet("role1", "role2", "role3"));
+        Map<String, Set<String>> expectedRolePrivileges = Maps.newHashMap();
+        expectedRolePrivileges.put("role1", Sets.newHashSet(
+            PRIVILIEGE3, PRIVILIEGE4, PRIVILIEGE9));
+        expectedRolePrivileges.put("role2", Sets.newHashSet(PRIVILIEGE3, PRIVILIEGE4,
+            PRIVILIEGE5, PRIVILIEGE6, PRIVILIEGE7));
+        expectedRolePrivileges.put("role3", Sets.newHashSet(PRIVILIEGE4,
+            PRIVILIEGE5, PRIVILIEGE6, PRIVILIEGE7, PRIVILIEGE8));
+        expectedMappingData.put(PolicyFileConstants.GROUPS, expectedGroupRoles);
+        expectedMappingData.put(PolicyFileConstants.ROLES, expectedRolePrivileges);
+
+        Map<String, Map<String, Set<String>>> sentryMappingData = client.exportPolicy(ADMIN_USER, null);
+        validateSentryMappingData(sentryMappingData, expectedMappingData);
+
+        // verify the rolePrivilegesMap and groupRolesMap with empty objectPath
+        expectedMappingData = Maps.newHashMap();
+        expectedGroupRoles = Maps.newHashMap();
+        expectedGroupRoles.put("group1", Sets.newHashSet("role1"));
+        expectedGroupRoles.put("group2", Sets.newHashSet("role1", "role2"));
+        expectedGroupRoles.put("group3", Sets.newHashSet("role2", "role3"));
+        expectedGroupRoles.put("group4", Sets.newHashSet("role1", "role2", "role3"));
+        expectedRolePrivileges = Maps.newHashMap();
+        expectedRolePrivileges.put("role1", Sets.newHashSet(
+            PRIVILIEGE3, PRIVILIEGE4, PRIVILIEGE9));
+        expectedRolePrivileges.put("role2", Sets.newHashSet(PRIVILIEGE3, PRIVILIEGE4,
+            PRIVILIEGE5, PRIVILIEGE6, PRIVILIEGE7));
+        expectedRolePrivileges.put("role3", Sets.newHashSet(PRIVILIEGE4,
+            PRIVILIEGE5, PRIVILIEGE6, PRIVILIEGE7, PRIVILIEGE8));
+        expectedMappingData.put(PolicyFileConstants.GROUPS, expectedGroupRoles);
+        expectedMappingData.put(PolicyFileConstants.ROLES, expectedRolePrivileges);
+
+        sentryMappingData = client.exportPolicy(ADMIN_USER, "");
+        validateSentryMappingData(sentryMappingData, expectedMappingData);
+
+        // verify the rolePrivilegesMap and groupRolesMap for db=db1
+        expectedMappingData = Maps.newHashMap();
+        expectedGroupRoles = Maps.newHashMap();
+        expectedGroupRoles.put("group1", Sets.newHashSet("role1"));
+        expectedGroupRoles.put("group2", Sets.newHashSet("role1", "role2"));
+        expectedGroupRoles.put("group3", Sets.newHashSet("role2", "role3"));
+        expectedGroupRoles.put("group4", Sets.newHashSet("role1", "role2", "role3"));
+        expectedRolePrivileges = Maps.newHashMap();
+        expectedRolePrivileges.put("role1", Sets.newHashSet(PRIVILIEGE4));
+        expectedRolePrivileges.put("role2", Sets.newHashSet(PRIVILIEGE4,
+            PRIVILIEGE5, PRIVILIEGE6, PRIVILIEGE7));
+        expectedRolePrivileges.put("role3", Sets.newHashSet(PRIVILIEGE4,
+            PRIVILIEGE5, PRIVILIEGE6, PRIVILIEGE7));
+        expectedMappingData.put(PolicyFileConstants.GROUPS, expectedGroupRoles);
+        expectedMappingData.put(PolicyFileConstants.ROLES, expectedRolePrivileges);
+
+        sentryMappingData = client.exportPolicy(ADMIN_USER, "db=db1");
+        validateSentryMappingData(sentryMappingData, expectedMappingData);
+
+        // verify the rolePrivilegesMap and groupRolesMap for db=db2
+        expectedMappingData = Maps.newHashMap();
+        expectedGroupRoles = Maps.newHashMap();
+        expectedGroupRoles.put("group1", Sets.newHashSet("role1"));
+        expectedGroupRoles.put("group2", Sets.newHashSet("role1", "role2"));
+        expectedGroupRoles.put("group3", Sets.newHashSet("role2"));
+        expectedGroupRoles.put("group4", Sets.newHashSet("role1", "role2"));
+        expectedRolePrivileges = Maps.newHashMap();
+        expectedRolePrivileges.put("role1", Sets.newHashSet(PRIVILIEGE3, PRIVILIEGE9));
+        expectedRolePrivileges.put("role2", Sets.newHashSet(PRIVILIEGE3));
+        expectedMappingData.put(PolicyFileConstants.GROUPS, expectedGroupRoles);
+        expectedMappingData.put(PolicyFileConstants.ROLES, expectedRolePrivileges);
+
+        sentryMappingData = client.exportPolicy(ADMIN_USER, "db=db2");
+        validateSentryMappingData(sentryMappingData, expectedMappingData);
+
+        // verify the rolePrivilegesMap and groupRolesMap for db=db1->table=tbl1
+        expectedMappingData = Maps.newHashMap();
+        expectedGroupRoles = Maps.newHashMap();
+        expectedGroupRoles.put("group1", Sets.newHashSet("role1"));
+        expectedGroupRoles.put("group2", Sets.newHashSet("role1", "role2"));
+        expectedGroupRoles.put("group3", Sets.newHashSet("role2", "role3"));
+        expectedGroupRoles.put("group4", Sets.newHashSet("role1", "role2", "role3"));
+        expectedRolePrivileges = Maps.newHashMap();
+        expectedRolePrivileges.put("role1", Sets.newHashSet(PRIVILIEGE4));
+        expectedRolePrivileges.put("role2", Sets.newHashSet(PRIVILIEGE4));
+        expectedRolePrivileges.put("role3", Sets.newHashSet(PRIVILIEGE4));
+        expectedMappingData.put(PolicyFileConstants.GROUPS, expectedGroupRoles);
+        expectedMappingData.put(PolicyFileConstants.ROLES, expectedRolePrivileges);
+
+        sentryMappingData = client.exportPolicy(ADMIN_USER, "db=db1->table=tbl1");
+        validateSentryMappingData(sentryMappingData, expectedMappingData);
+
+        // verify the rolePrivilegesMap and groupRolesMap for db=db1->table=tbl2
+        expectedMappingData = Maps.newHashMap();
+        expectedGroupRoles = Maps.newHashMap();
+        expectedGroupRoles.put("group2", Sets.newHashSet("role2"));
+        expectedGroupRoles.put("group3", Sets.newHashSet("role2", "role3"));
+        expectedGroupRoles.put("group4", Sets.newHashSet("role2", "role3"));
+        expectedRolePrivileges = Maps.newHashMap();
+        expectedRolePrivileges.put("role2", Sets.newHashSet(PRIVILIEGE5));
+        expectedRolePrivileges.put("role3", Sets.newHashSet(PRIVILIEGE5));
+        expectedMappingData.put(PolicyFileConstants.GROUPS, expectedGroupRoles);
+        expectedMappingData.put(PolicyFileConstants.ROLES, expectedRolePrivileges);
+
+        sentryMappingData = client.exportPolicy(ADMIN_USER, "db=db1->table=tbl2");
+        validateSentryMappingData(sentryMappingData, expectedMappingData);
+
+        // verify the rolePrivilegesMap and groupRolesMap for db=db1->table=tbl1
+        expectedMappingData = Maps.newHashMap();
+        expectedGroupRoles = Maps.newHashMap();
+        expectedGroupRoles.put("group1", Sets.newHashSet("role1"));
+        expectedGroupRoles.put("group2", Sets.newHashSet("role1", "role2"));
+        expectedGroupRoles.put("group3", Sets.newHashSet("role2", "role3"));
+        expectedGroupRoles.put("group4", Sets.newHashSet("role1", "role2", "role3"));
+        expectedRolePrivileges = Maps.newHashMap();
+        expectedRolePrivileges.put("role1", Sets.newHashSet(PRIVILIEGE4, PRIVILIEGE9));
+        expectedRolePrivileges.put("role2", Sets.newHashSet(PRIVILIEGE4));
+        expectedRolePrivileges.put("role3", Sets.newHashSet(PRIVILIEGE4));
+        expectedMappingData.put(PolicyFileConstants.GROUPS, expectedGroupRoles);
+        expectedMappingData.put(PolicyFileConstants.ROLES, expectedRolePrivileges);
+
+        sentryMappingData = client.exportPolicy(ADMIN_USER, "table=tbl1");
+        validateSentryMappingData(sentryMappingData, expectedMappingData);
+
+        // verify the invalid exportObject string
+        try {
+          client.exportPolicy(ADMIN_USER, "invalidString");
+          fail("RuntimeException should be thrown.");
+        } catch (RuntimeException sue) {
+          // excepted exception
+        }
+      }
+    });
+  }
+
+  // Befor import, database is empty.
+  // The following information is imported:
+  // group1=role1,role2,role3
+  // group2=role1,role2,role3
+  // user1=role1,role2,role3
+  // user2=role1,role2,role3
+  // role1=privilege1,privilege2,privilege3,privilege4
+  // role2=privilege1,privilege2,privilege3,privilege4
+  // role3=privilege1,privilege2,privilege3,privilege4
+  @Test
+  public void testImportExportPolicyWithUser() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        Map<String, Map<String, Set<String>>> policyFileMappingData = Maps.newHashMap();
+        Map<String, Set<String>> groupRolesMap = Maps.newHashMap();
+        Map<String, Set<String>> userRolesMap = Maps.newHashMap();
+        Set<String> roles = Sets.newHashSet("role1", "role2", "role3");
+        groupRolesMap.put("group1", roles);
+        groupRolesMap.put("group2", roles);
+        userRolesMap.put("user1", roles);
+        userRolesMap.put("user2", roles);
+        Map<String, Set<String>> rolePrivilegesMap = Maps.newHashMap();
+        for (String roleName : roles) {
+          rolePrivilegesMap.put(roleName, Sets.newHashSet(PRIVILIEGE1,
+              PRIVILIEGE2, PRIVILIEGE3, PRIVILIEGE4));
+        }
+        policyFileMappingData.put(PolicyFileConstants.USER_ROLES, userRolesMap);
+        policyFileMappingData.put(PolicyFileConstants.GROUPS, groupRolesMap);
+        policyFileMappingData.put(PolicyFileConstants.ROLES, rolePrivilegesMap);
+        client.importPolicy(policyFileMappingData, ADMIN_USER, false);
+
+        Map<String, Map<String, Set<String>>> sentryMappingData =
+            client.exportPolicy(ADMIN_USER, null);
+        // validate the [user, role] mapping
+        validateRolesMap(sentryMappingData.get(PolicyFileConstants.USER_ROLES),
+            policyFileMappingData.get(PolicyFileConstants.USER_ROLES));
+        validateSentryMappingData(sentryMappingData,
+            policyFileMappingData);
+      }
+    });
+  }
+
+  // verify the mapping data
+  public void validateSentryMappingData(
+      Map<String, Map<String, Set<String>>> actualMappingData,
+      Map<String, Map<String, Set<String>>> expectedMappingData) {
+    validateRolesMap(actualMappingData.get(PolicyFileConstants.GROUPS),
+        expectedMappingData.get(PolicyFileConstants.GROUPS));
+    validateRolePrivilegesMap(actualMappingData.get(PolicyFileConstants.ROLES),
+        expectedMappingData.get(PolicyFileConstants.ROLES));
+  }
+
+  // verify the mapping data for [group,role] and [user,role]
+  private void validateRolesMap(Map<String, Set<String>> actualMap,
+      Map<String, Set<String>> expectedMap) {
+    assertEquals(expectedMap.keySet().size(), actualMap.keySet().size());
+    for (String name : actualMap.keySet()) {
+      Set<String> actualRoles = actualMap.get(name);
+      Set<String> expectedRoles = expectedMap.get(name);
+      assertEquals(actualRoles.size(), expectedRoles.size());
+      assertTrue(actualRoles.equals(expectedRoles));
+    }
+  }
+
+  // verify the mapping data for [role,privilege]
+  private void validateRolePrivilegesMap(Map<String, Set<String>> actualMap,
+      Map<String, Set<String>> expectedMap) {
+    assertEquals(expectedMap.keySet().size(), actualMap.keySet().size());
+    for (String roleName : actualMap.keySet()) {
+      Set<String> actualPrivileges = actualMap.get(roleName);
+      Set<String> exceptedPrivileges = expectedMap.get(roleName);
+      assertEquals(exceptedPrivileges.size(), actualPrivileges.size());
+      for (String actualPrivilege : actualPrivileges) {
+        boolean isFound = exceptedPrivileges.contains(actualPrivilege);
+        if (!isFound) {
+          String withOptionPrivilege = SentryConstants.AUTHORIZABLE_JOINER.join(actualPrivilege,
+              SentryConstants.KV_JOINER.join(PolicyFileConstants.PRIVILEGE_GRANT_OPTION_NAME,
+                  "false"));
+          isFound = exceptedPrivileges.contains(withOptionPrivilege);
+        }
+        assertTrue(isFound);
+      }
+    }
+  }
+}