YARN-10330. Add missing test scenarios to TestUserGroupMappingPlacementRule and TestAppNameMappingPlacementRule. Contributed by Peter Bacsko

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/placement/TestAppNameMappingPlacementRule.java

@@ -37,7 +37,15 @@
 import static org.mockito.Mockito.when;
 
 public class TestAppNameMappingPlacementRule {
+  private static final String ROOT_QUEUE = "root";
+  private static final String Q2_QUEUE = "q2";
+  private static final String Q1_QUEUE = "q1";
+  private static final String USER_NAME = "user";
+  private static final String DEFAULT_QUEUE = "default";
+  private static final String APPLICATION_PLACEHOLDER = "%application";
+  private static final String AMBIGUOUS_QUEUE = "ambiguousQueue";
   private static final String APP_NAME = "DistributedShell";
+  private static final String MAPREDUCE_APP_NAME = "MAPREDUCE";
 
   private YarnConfiguration conf = new YarnConfiguration();
 
@@ -62,16 +70,20 @@ private void verifyQueueMapping(QueueMapping queueMapping,
     CapacitySchedulerQueueManager qm =
         mock(CapacitySchedulerQueueManager.class);
     when(qm.isAmbiguous(Mockito.isA(String.class))).thenReturn(false);
+    when(qm.isAmbiguous(AMBIGUOUS_QUEUE)).thenReturn(true);
+
     rule.queueManager = qm;
 
     ApplicationSubmissionContext asc = Records.newRecord(
         ApplicationSubmissionContext.class);
-    if (inputQueue.equals("%application")) {
+    if (inputQueue.equals(APPLICATION_PLACEHOLDER)) {
       inputQueue = APP_NAME;
     }
     asc.setQueue(inputQueue);
     String appName = queueMapping.getSource();
-    if (appName.equals("%application")) {
+    // to create a scenario when source != appName
+    if (appName.equals(APPLICATION_PLACEHOLDER)
+        || appName.equals(MAPREDUCE_APP_NAME)) {
       appName = APP_NAME;
     }
     asc.setApplicationName(appName);
@@ -81,31 +93,85 @@ private void verifyQueueMapping(QueueMapping queueMapping,
         ctx != null ? ctx.getQueue() : inputQueue);
   }
 
-  public QueueMapping queueMappingBuilder(String source, String queue) {
+  public QueueMapping getQueueMapping(String source, String queue) {
+    return getQueueMapping(source, null, queue);
+  }
+
+  public QueueMapping getQueueMapping(String source, String parent,
+      String queue) {
     return QueueMapping.QueueMappingBuilder.create()
         .type(QueueMapping.MappingType.APPLICATION)
         .source(source)
         .queue(queue)
+        .parentQueue(parent)
         .build();
   }
 
   @Test
-  public void testMapping() throws YarnException {
+  public void testSpecificAppNameMappedToDefinedQueue() throws YarnException {
-    // simple base case for mapping user to queue
+    verifyQueueMapping(getQueueMapping(APP_NAME, Q1_QUEUE),
-    verifyQueueMapping(queueMappingBuilder(APP_NAME,
+        USER_NAME, Q1_QUEUE);
-        "q1"), "user_1", "q1");
-    verifyQueueMapping(queueMappingBuilder("%application", "q2"), "user_1",
-        "q2");
-    verifyQueueMapping(queueMappingBuilder("%application", "%application"),
-        "user_1", APP_NAME);
-
-    // specify overwritten, and see if user specified a queue, and it will be
-    // overridden
-    verifyQueueMapping(queueMappingBuilder(APP_NAME,
-        "q1"), "1", "q2", "q1", true);
-
-    // if overwritten not specified, it should be which user specified
-    verifyQueueMapping(queueMappingBuilder(APP_NAME,
-            "q1"), "1", "q2", "q2", false);
   }
+
+  @Test
+  public void testPlaceholderAppSourceMappedToQueue() throws YarnException {
+    verifyQueueMapping(getQueueMapping(APPLICATION_PLACEHOLDER, Q2_QUEUE),
+        USER_NAME, Q2_QUEUE);
+  }
+
+  @Test
+  public void testPlaceHolderAppSourceAndQueueMappedToAppNameQueue()
+      throws YarnException {
+    verifyQueueMapping(getQueueMapping(APPLICATION_PLACEHOLDER,
+        APPLICATION_PLACEHOLDER), USER_NAME, APP_NAME);
+  }
+
+  @Test
+  public void testQueueInMappingOverridesSpecifiedQueue()
+      throws YarnException {
+    verifyQueueMapping(getQueueMapping(APP_NAME,
+        Q1_QUEUE), USER_NAME, Q2_QUEUE, Q1_QUEUE, true);
+  }
+
+  @Test
+  public void testQueueInMappingDoesNotOverrideSpecifiedQueue()
+      throws YarnException {
+    verifyQueueMapping(getQueueMapping(APP_NAME,
+        Q1_QUEUE), USER_NAME, Q2_QUEUE, Q2_QUEUE, false);
+  }
+
+  @Test
+  public void testDefaultQueueInMappingIsNotUsedWithoutOverride()
+      throws YarnException {
+    verifyQueueMapping(getQueueMapping(APP_NAME,
+        DEFAULT_QUEUE), USER_NAME, Q2_QUEUE, Q2_QUEUE, false);
+  }
+
+  @Test
+  public void testDefaultQueueInMappingEqualsToInputQueue()
+      throws YarnException {
+    verifyQueueMapping(getQueueMapping(APP_NAME,
+        DEFAULT_QUEUE), USER_NAME, DEFAULT_QUEUE, DEFAULT_QUEUE, false);
+  }
+
+  @Test
+  public void testMappingSourceDiffersFromInputQueue() throws YarnException {
+    verifyQueueMapping(getQueueMapping(MAPREDUCE_APP_NAME,
+        Q1_QUEUE), USER_NAME, DEFAULT_QUEUE, DEFAULT_QUEUE, false);
+  }
+
+  @Test(expected = YarnException.class)
+  public void testMappingContainsAmbiguousLeafQueueWithoutParent()
+      throws YarnException {
+    verifyQueueMapping(getQueueMapping(APP_NAME, AMBIGUOUS_QUEUE),
+        USER_NAME, DEFAULT_QUEUE, DEFAULT_QUEUE, false);
+  }
+
+  @Test
+  public void testMappingContainsAmbiguousLeafQueueWithParent()
+      throws YarnException {
+    verifyQueueMapping(getQueueMapping(APP_NAME, ROOT_QUEUE, AMBIGUOUS_QUEUE),
+        USER_NAME, DEFAULT_QUEUE, AMBIGUOUS_QUEUE, false);
+  }
+
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/placement/TestUserGroupMappingPlacementRule.java

@@ -149,6 +149,7 @@ private AbstractCSQueue createRootQueue(String rootQueueName) {
       ParentQueue root = mock(ParentQueue.class);
       when(root.getQueuePath()).thenReturn(rootQueueName);
       when(queueManager.getQueue(rootQueueName)).thenReturn(root);
+      when(queueManager.getQueueByFullName(rootQueueName)).thenReturn(root);
       return root;
     }
 
@@ -220,11 +221,13 @@ private void verifyQueueMapping(QueueMappingTestData queueMappingTestData)
         .withQueue("root.agroup.a")
         .withQueue("root.asubgroup2")
         .withQueue("root.bsubgroup2.b")
+        .withQueue("root.users.primarygrouponly")
+        .withQueue("root.admins.primarygrouponly")
         .withManagedParentQueue("root.managedParent")
         .build();
 
     when(queueManager.getQueue(isNull())).thenReturn(null);
-
+    when(queueManager.isAmbiguous("primarygrouponly")).thenReturn(true);
     rule.setQueueManager(queueManager);
     ApplicationSubmissionContext asc = Records.newRecord(
         ApplicationSubmissionContext.class);
@@ -375,6 +378,170 @@ public void testUserMappingToQueueNamedAsUsernameWithPrimaryGroupAsParentQueue()
             .build());
   }
 
+  @Test
+  public void testUserMappingToPrimaryGroupInvalidNestedPlaceholder()
+      throws YarnException {
+    // u:%user:%primary_group.%random, no matching queue
+    verifyQueueMapping(
+        QueueMappingTestDataBuilder.create()
+            .queueMapping(QueueMappingBuilder.create()
+                .type(MappingType.USER)
+                .source("%user")
+                .queue("%random")
+                .parentQueue("%primary_group")
+                .build())
+            .inputUser("a")
+            .expectedQueue("default")
+            .build());
+  }
+
+  @Test
+  public void testUserMappingToSecondaryGroupInvalidNestedPlaceholder()
+      throws YarnException {
+    // u:%user:%secondary_group.%random, no matching queue
+    verifyQueueMapping(
+        QueueMappingTestDataBuilder.create()
+            .queueMapping(QueueMappingBuilder.create()
+                .type(MappingType.USER)
+                .source("%user")
+                .queue("%random")
+                .parentQueue("%secondary_group")
+                .build())
+            .inputUser("a")
+            .expectedQueue("default")
+            .build());
+  }
+
+  @Test
+  public void testUserMappingDiffersFromSubmitterQueueDoesNotExist()
+      throws YarnException {
+    // u:a:%random, submitter: xyz, no matching queue
+    verifyQueueMapping(
+        QueueMappingTestDataBuilder.create()
+            .queueMapping(QueueMappingBuilder.create()
+                .type(MappingType.USER)
+                .source("a")
+                .queue("%random")
+                .build())
+            .inputUser("xyz")
+            .expectedQueue("default")
+            .build());
+  }
+
+  @Test
+  public void testSpecificUserMappingToPrimaryGroup() throws YarnException {
+    // u:a:%primary_group
+    verifyQueueMapping(
+        QueueMappingTestDataBuilder.create()
+            .queueMapping(QueueMappingBuilder.create()
+                .type(MappingType.USER)
+                .source("a")
+                .queue("%primary_group")
+                .build())
+            .inputUser("a")
+            .expectedQueue("agroup")
+            .build());
+  }
+
+  @Test
+  public void testSpecificUserMappingToSecondaryGroup()
+      throws YarnException {
+    // u:a:%secondary_group
+    verifyQueueMapping(
+        QueueMappingTestDataBuilder.create()
+            .queueMapping(QueueMappingBuilder.create()
+                .type(MappingType.USER)
+                .source("a")
+                .queue("%secondary_group")
+                .build())
+            .inputUser("a")
+            .expectedQueue("asubgroup2")
+            .build());
+  }
+
+  @Test
+  public void testSpecificUserMappingWithNoSecondaryGroup()
+      throws YarnException {
+    // u:nosecondarygroupuser:%secondary_group, no matching queue
+    verifyQueueMapping(
+        QueueMappingTestDataBuilder.create()
+            .queueMapping(QueueMappingBuilder.create()
+                .type(MappingType.USER)
+                .source("nosecondarygroupuser")
+                .queue("%secondary_group")
+                .build())
+            .inputUser("nosecondarygroupuser")
+            .expectedQueue("default")
+            .build());
+  }
+
+  @Test
+  public void testGenericUserMappingWithNoSecondaryGroup()
+      throws YarnException {
+    // u:%user:%user, no matching queue
+    verifyQueueMapping(
+        QueueMappingTestDataBuilder.create()
+            .queueMapping(QueueMappingBuilder.create()
+                .type(MappingType.USER)
+                .source("%user")
+                .queue("%user")
+                .parentQueue("%secondary_group")
+                .build())
+            .inputUser("nosecondarygroupuser")
+            .expectedQueue("default")
+            .build());
+  }
+
+  @Test(expected = YarnException.class)
+  public void testUserMappingToNestedUserPrimaryGroupWithAmbiguousQueues()
+      throws YarnException {
+    // u:%user:%user, submitter nosecondarygroupuser, queue is ambiguous
+    verifyQueueMapping(
+        QueueMappingTestDataBuilder.create()
+            .queueMapping(QueueMappingBuilder.create()
+                .type(MappingType.USER)
+                .source("%user")
+                .queue("%user")
+                .parentQueue("%primary_group")
+                .build())
+            .inputUser("nosecondarygroupuser")
+            .build());
+  }
+
+  @Test(expected = YarnException.class)
+  public void testResolvedQueueIsNotManaged()
+      throws YarnException {
+    // u:%user:%primary_group.%user, "admins" group will be "root",
+    // resulting parent queue will be "root" which is not managed
+    verifyQueueMapping(
+        QueueMappingTestDataBuilder.create()
+            .queueMapping(QueueMappingBuilder.create()
+                .type(MappingType.USER)
+                .source("%user")
+                .queue("%user")
+                .parentQueue("%primary_group")
+                .build())
+            .inputUser("admins")
+            .build());
+  }
+
+  @Test(expected = YarnException.class)
+  public void testUserMappingToPrimaryGroupWithAmbiguousQueues()
+      throws YarnException {
+    // u:%user:%primary_group, submitter nosecondarygroupuser,
+    // queue is ambiguous
+    verifyQueueMapping(
+        QueueMappingTestDataBuilder.create()
+            .queueMapping(QueueMappingBuilder.create()
+                .type(MappingType.USER)
+                .source("%user")
+                .queue("%primary_group")
+                .build())
+            .inputUser("nosecondarygroupuser")
+            .expectedQueue("default")
+            .build());
+  }
+
   @Test
   public void testUserMappingToQueueNamedAsUsernameWithSecondaryGroupAsParentQueue()
       throws YarnException {

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/SimpleGroupsMapping.java

@@ -25,10 +25,17 @@
 import org.apache.hadoop.security.GroupMappingServiceProvider;
 
 public class SimpleGroupsMapping implements GroupMappingServiceProvider {
-  
+
   @Override
   public List<String> getGroups(String user) {
-    return Arrays.asList(user + "group", user + "subgroup1", user + "subgroup2");
+    if ("admins".equals(user)) {
+      return Arrays.asList("root");
+    } else if ("nosecondarygroupuser".equals(user)) {
+      return Arrays.asList("primarygrouponly");
+    } else {
+      return Arrays.asList(
+          user + "group", user + "subgroup1", user + "subgroup2");
+    }
   }
 
   @Override