YARN-9949. Add missing queue configs for root queue in RMWebService#CapacitySchedulerInfo. Contributed by Prabhu Joseph.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerConfiguration.java

@@ -51,6 +51,7 @@
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.placement.MultiNodePolicySpec;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.policy.FairOrderingPolicy;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.policy.FifoOrderingPolicy;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.policy.FifoOrderingPolicyForPendingApps;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.policy.FifoOrderingPolicyWithExclusivePartitions;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.policy.OrderingPolicy;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.policy.SchedulableEntity;
@@ -166,6 +167,9 @@ public class CapacitySchedulerConfiguration extends ReservationSchedulerConfigur
   public static final String FIFO_WITH_PARTITIONS_APP_ORDERING_POLICY
       = "fifo-with-partitions";
 
+  public static final String FIFO_FOR_PENDING_APPS
+      = "fifo-for-pending-apps";
+
   public static final String DEFAULT_APP_ORDERING_POLICY =
       FIFO_APP_ORDERING_POLICY;
   
@@ -579,6 +583,10 @@ public <S extends SchedulableEntity> OrderingPolicy<S> getAppOrderingPolicy(
     if (policyType.trim().equals(FIFO_WITH_PARTITIONS_APP_ORDERING_POLICY)) {
       policyType = FifoOrderingPolicyWithExclusivePartitions.class.getName();
     }
+    if (policyType.trim().equals(FIFO_FOR_PENDING_APPS)) {
+      policyType = FifoOrderingPolicyForPendingApps.class.getName();
+    }
+
     try {
       orderingPolicy = (OrderingPolicy<S>)
         Class.forName(policyType).newInstance();

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/policy/AbstractComparatorOrderingPolicy.java

@@ -139,4 +139,7 @@ public abstract void containerReleased(S schedulableEntity,
   @Override
   public abstract String getInfo();
 
+  @Override
+  public abstract String getConfigName();
+
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/policy/FairOrderingPolicy.java

@@ -23,6 +23,7 @@
 
 import com.google.common.annotations.VisibleForTesting;
 
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration;
 import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
 import org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager;
 
@@ -119,4 +120,9 @@ public String getInfo() {
     return "FairOrderingPolicy" + sbw;
   }
 
+  @Override
+  public String getConfigName() {
+    return CapacitySchedulerConfiguration.FAIR_APP_ORDERING_POLICY;
+  }
+
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/policy/FifoOrderingPolicy.java

@@ -21,6 +21,7 @@
 import java.util.*;
 import java.util.concurrent.ConcurrentSkipListSet;
 
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration;
 import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
 
 /**
@@ -62,4 +63,9 @@ public String getInfo() {
     return "FifoOrderingPolicy";
   }
 
+  @Override
+  public String getConfigName() {
+    return CapacitySchedulerConfiguration.FIFO_APP_ORDERING_POLICY;
+  }
+  
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/policy/FifoOrderingPolicyForPendingApps.java

@@ -20,6 +20,7 @@
 
 import java.util.*;
 
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration;
 import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
 import java.util.concurrent.ConcurrentSkipListSet;
 
@@ -55,6 +56,11 @@ public String getInfo() {
     return "FifoOrderingPolicyForPendingApps";
   }
 
+  @Override
+  public String getConfigName() {
+    return CapacitySchedulerConfiguration.FIFO_FOR_PENDING_APPS;
+  }
+
   @Override
   public void configure(Map<String, String> conf) {
   }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/policy/FifoOrderingPolicyWithExclusivePartitions.java

@@ -23,6 +23,7 @@
 import java.util.Iterator;
 import java.util.Map;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration;
 import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
 
 
@@ -136,6 +137,12 @@ public String getInfo() {
     return "FifoOrderingPolicyWithExclusivePartitions";
   }
 
+  @Override
+  public String getConfigName() {
+    return CapacitySchedulerConfiguration
+        .FIFO_WITH_PARTITIONS_APP_ORDERING_POLICY;
+  }
+
   private OrderingPolicy<S> getPartitionOrderingPolicy(String partition) {
     String keyPartition = orderingPolicies.containsKey(partition) ?
         partition : DEFAULT_PARTITION;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/policy/OrderingPolicy.java

@@ -129,4 +129,10 @@ public interface OrderingPolicy<S extends SchedulableEntity> {
    */
   public String getInfo();
 
+  /**
+   * Return configuration name (which will be used to set ordering policy).
+   * @return configuration name
+   */
+  String getConfigName();
+
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/CapacitySchedulerPage.java

@@ -201,7 +201,7 @@ private void renderCommonLeafQueueInfo(ResponseInfo ri) {
           __("Configured Minimum User Limit Percent:", Integer.toString(lqinfo.getUserLimit()) + "%").
           __("Configured User Limit Factor:", lqinfo.getUserLimitFactor()).
           __("Accessible Node Labels:", StringUtils.join(",", lqinfo.getNodeLabels())).
-          __("Ordering Policy: ", lqinfo.getOrderingPolicyInfo()).
+          __("Ordering Policy: ", lqinfo.getOrderingPolicyDisplayName()).
           __("Preemption:",
               lqinfo.getPreemptionDisabled() ? "disabled" : "enabled").
           __("Intra-queue Preemption:", lqinfo.getIntraQueuePreemptionDisabled()

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/CapacitySchedulerInfo.java

@@ -24,11 +24,17 @@
 import javax.xml.bind.annotation.XmlTransient;
 import javax.xml.bind.annotation.XmlType;
 
+import org.apache.hadoop.util.StringUtils;
+import org.apache.hadoop.security.authorize.AccessControlList;
+import org.apache.hadoop.yarn.security.AccessType;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CSQueue;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue;
 
 import java.util.ArrayList;
+import java.util.Map;
 import java.util.List;
 
 @XmlRootElement(name = "capacityScheduler")
@@ -43,6 +49,10 @@ public class CapacitySchedulerInfo extends SchedulerInfo {
   protected CapacitySchedulerQueueInfoList queues;
   protected QueueCapacitiesInfo capacities;
   protected CapacitySchedulerHealthInfo health;
+  protected ResourceInfo maximumAllocation;
+  protected QueueAclsInfo queueAcls;
+  protected int queuePriority;
+  protected String orderingPolicyInfo;
 
   @XmlTransient
   static final float EPSILON = 1e-8f;
@@ -63,6 +73,31 @@ public CapacitySchedulerInfo(CSQueue parent, CapacityScheduler cs) {
         parent.getQueueResourceQuotas(), false);
     queues = getQueues(cs, parent);
     health = new CapacitySchedulerHealthInfo(cs);
+    maximumAllocation = new ResourceInfo(parent.getMaximumAllocation());
+
+    CapacitySchedulerConfiguration conf = cs.getConfiguration();
+    queueAcls = new QueueAclsInfo();
+    for (Map.Entry<AccessType, AccessControlList> e : conf
+        .getAcls(queueName).entrySet()) {
+      QueueAclInfo queueAcl = new QueueAclInfo(e.getKey().toString(),
+          e.getValue().getAclString());
+      queueAcls.add(queueAcl);
+    }
+
+    String aclApplicationMaxPriority = "acl_" +
+        StringUtils.toLowerCase(AccessType.APPLICATION_MAX_PRIORITY.toString());
+    String priorityAcls = conf.get(parent.getQueuePath()
+        + aclApplicationMaxPriority, conf.ALL_ACL);
+
+    QueueAclInfo queueAcl = new QueueAclInfo(
+        AccessType.APPLICATION_MAX_PRIORITY.toString(), priorityAcls);
+    queueAcls.add(queueAcl);
+
+    queuePriority = parent.getPriority().getPriority();
+    if (parent instanceof ParentQueue) {
+      orderingPolicyInfo = ((ParentQueue) parent).getQueueOrderingPolicy()
+          .getConfigName();
+    }
   }
 
   public float getCapacity() {
@@ -85,6 +120,22 @@ public String getQueueName() {
     return this.queueName;
   }
 
+  public ResourceInfo getMaximumAllocation() {
+    return maximumAllocation;
+  }
+
+  public QueueAclsInfo getQueueAcls() {
+    return queueAcls;
+  }
+
+  public int getPriority() {
+    return queuePriority;
+  }
+
+  public String getOrderingPolicyInfo() {
+    return orderingPolicyInfo;
+  }
+
   public CapacitySchedulerQueueInfoList getQueues() {
     return this.queues;
   }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/CapacitySchedulerLeafQueueInfo.java

@@ -22,6 +22,7 @@
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlRootElement;
+import javax.xml.bind.annotation.XmlTransient;
 
 import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueResourceQuotas;
@@ -57,6 +58,9 @@ public class CapacitySchedulerLeafQueueInfo extends CapacitySchedulerQueueInfo {
   protected long maxApplicationLifetime;
   protected long defaultApplicationLifetime;
 
+  @XmlTransient
+  protected String orderingPolicyDisplayName;
+
   CapacitySchedulerLeafQueueInfo() {
   };
 
@@ -75,7 +79,8 @@ public class CapacitySchedulerLeafQueueInfo extends CapacitySchedulerQueueInfo {
     usedAMResource = new ResourceInfo(q.getQueueResourceUsage().getAMUsed());
     preemptionDisabled = q.getPreemptionDisabled();
     intraQueuePreemptionDisabled = q.getIntraQueuePreemptionDisabled();
-    orderingPolicyInfo = q.getOrderingPolicy().getInfo();
+    orderingPolicyDisplayName = q.getOrderingPolicy().getInfo();
+    orderingPolicyInfo = q.getOrderingPolicy().getConfigName();
     defaultNodeLabelExpression = q.getDefaultNodeLabelExpression();
     defaultPriority = q.getDefaultApplicationPriority().getPriority();
     ArrayList<UserInfo> usersList = users.getUsersList();
@@ -164,6 +169,10 @@ public boolean getIntraQueuePreemptionDisabled() {
     return intraQueuePreemptionDisabled;
   }
 
+  public String getOrderingPolicyDisplayName() {
+    return orderingPolicyDisplayName;
+  }
+  
   public String getDefaultNodeLabelExpression() {
     return defaultNodeLabelExpression;
   }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebServicesCapacitySched.java

@@ -87,6 +87,8 @@ private class LeafQueueInfo extends QueueInfo {
     int maxApplicationsPerUser;
     int userLimit;
     float userLimitFactor;
+    long defaultApplicationLifetime;
+    long maxApplicationLifetime;
   }
 
   private static class WebServletModule extends ServletModule {
@@ -133,6 +135,8 @@ private static void setupQueueConfiguration(
     config.setQueues(A, new String[] {"a1", "a2"});
     config.setCapacity(A1, 30);
     config.setMaximumCapacity(A1, 50);
+    config.setMaximumLifetimePerQueue(A2, 100);
+    config.setDefaultLifetimePerQueue(A2, 50);
 
     config.setUserLimitFactor(A1, 100.0f);
     config.setCapacity(A2, 70);
@@ -313,6 +317,10 @@ public void verifySubQueueXML(Element qElem, String q,
       lqi.userLimit = WebServicesTestUtils.getXmlInt(qElem, "userLimit");
       lqi.userLimitFactor =
           WebServicesTestUtils.getXmlFloat(qElem, "userLimitFactor");
+      lqi.defaultApplicationLifetime =
+          WebServicesTestUtils.getXmlLong(qElem, "defaultApplicationLifetime");
+      lqi.maxApplicationLifetime =
+          WebServicesTestUtils.getXmlLong(qElem, "maxApplicationLifetime");
       verifyLeafQueueGeneric(q, lqi);
     }
   }
@@ -323,7 +331,7 @@ private void verifyClusterScheduler(JSONObject json) throws JSONException,
     JSONObject info = json.getJSONObject("scheduler");
     assertEquals("incorrect number of elements in: " + info, 1, info.length());
     info = info.getJSONObject("schedulerInfo");
-    assertEquals("incorrect number of elements in: " + info, 8, info.length());
+    assertEquals("incorrect number of elements in: " + info, 12, info.length());
     verifyClusterSchedulerGeneric(info.getString("type"),
         (float) info.getDouble("usedCapacity"),
         (float) info.getDouble("capacity"),
@@ -339,6 +347,16 @@ private void verifyClusterScheduler(JSONObject json) throws JSONException,
     assertEquals("incorrect number of elements in: " + health, 3,
         lastRunDetails.length());
 
+    JSONObject maximumAllocation = info.getJSONObject("maximumAllocation");
+    assertEquals("8192", maximumAllocation.getString("memory"));
+    assertEquals("4", maximumAllocation.getString("vCores"));
+
+    JSONObject queueAcls = info.getJSONObject("queueAcls");
+    assertEquals(1, queueAcls.length());
+
+    assertEquals("0", info.getString("queuePriority"));
+    assertEquals("utilization", info.getString("orderingPolicyInfo"));
+
     JSONArray arr = info.getJSONObject("queues").getJSONArray("queue");
     assertEquals("incorrect number of elements in: " + arr, 2, arr.length());
 
@@ -393,6 +411,16 @@ private void verifySubQueue(JSONObject info, String q,
         String q2 = q + "." + obj.getString("queueName");
         verifySubQueue(obj, q2, qi.absoluteCapacity, qi.absoluteMaxCapacity);
       }
+
+      JSONObject maximumAllocation = info.getJSONObject("maximumAllocation");
+      assertEquals("8192", maximumAllocation.getString("memory"));
+      assertEquals("4", maximumAllocation.getString("vCores"));
+
+      JSONObject queueAcls = info.getJSONObject("queueAcls");
+      assertEquals(1, queueAcls.length());
+
+      assertEquals("0", info.getString("queuePriority"));
+      assertEquals("utilization", info.getString("orderingPolicyInfo"));
     } else {
       Assert.assertEquals("\"type\" field is incorrect",
           "capacitySchedulerLeafQueueInfo", info.getString("type"));
@@ -404,6 +432,9 @@ private void verifySubQueue(JSONObject info, String q,
       lqi.maxApplicationsPerUser = info.getInt("maxApplicationsPerUser");
       lqi.userLimit = info.getInt("userLimit");
       lqi.userLimitFactor = (float) info.getDouble("userLimitFactor");
+      lqi.defaultApplicationLifetime =
+          info.getLong("defaultApplicationLifetime");
+      lqi.maxApplicationLifetime = info.getLong("maxApplicationLifetime");
       verifyLeafQueueGeneric(q, lqi);
       // resourcesUsed and users (per-user resources used) are checked in
       // testPerUserResource()
@@ -468,6 +499,15 @@ private void verifyLeafQueueGeneric(String q, LeafQueueInfo info)
         info.userLimit);
     assertEquals("userLimitFactor doesn't match",
         csConf.getUserLimitFactor(q), info.userLimitFactor, 1e-3f);
+
+    if (q.equals("root.a.a2")) {
+      assertEquals("defaultApplicationLifetime doesn't match",
+          csConf.getDefaultLifetimePerQueue(q),
+          info.defaultApplicationLifetime);
+      assertEquals("maxApplicationLifetime doesn't match",
+          csConf.getMaximumLifetimePerQueue(q),
+          info.maxApplicationLifetime);
+    }
   }
 
   //Return a child Node of node with the tagname or null if none exists

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebServicesForCSWithPartitions.java

@@ -563,7 +563,7 @@ private void verifySchedulerInfoJson(JSONObject json)
     JSONObject info = json.getJSONObject("scheduler");
     assertEquals("incorrect number of elements", 1, info.length());
     info = info.getJSONObject("schedulerInfo");
-    assertEquals("incorrect number of elements", 8, info.length());
+    assertEquals("incorrect number of elements", 12, info.length());
     JSONObject capacitiesJsonObject = info.getJSONObject(CAPACITIES);
     JSONArray partitionsCapsArray =
         capacitiesJsonObject.getJSONArray(QUEUE_CAPACITIES_BY_PARTITION);