AMBARI-15719: Make list of reassignable components stack driven instead of hardcoding them in the UI code (dili)

ambari-server/src/main/java/org/apache/ambari/server/controller/StackServiceComponentResponse.java

@@ -105,6 +105,11 @@ public class StackServiceComponentResponse {
   private String bulkCommandMasterComponentName;
   private boolean hasBulkCommands;
 
+  /**
+   * Whether the component can be reassigned to a different node.
+   * */
+  private String reassignAllowed;
+
   /**
    * Constructor.
    *
@@ -125,6 +130,7 @@ public class StackServiceComponentResponse {
     hasBulkCommands = componentHasBulkCommands(component);
     bulkCommandsDisplayName = getBulkCommandsDisplayName(component);
     bulkCommandMasterComponentName = getBulkCommandsMasterComponentName(component);
+    reassignAllowed = component.getReassignAllowed();
 
     // the custom command names defined for this component
     List<CustomCommandDefinition> definitions = component.getCustomCommands();
@@ -390,6 +396,28 @@ public class StackServiceComponentResponse {
     this.decommissionAllowed = decommissionAllowed;
   }
 
+  /**
+   * Get whether the components can be reassigned.
+   *
+   * @return Whether the components can be reassigned
+   */
+  public boolean isReassignAlllowed() {
+    if (reassignAllowed != null && reassignAllowed.equals("true")) {
+      return true;
+    } else {
+      return false;
+    }
+  }
+
+  /**
+   * Set whether the component can be reassigned.
+   *
+   * @param reassignAllowed whether the component can be reassigned
+   */
+  public void setReassignAllowed(String reassignAllowed) {
+    this.reassignAllowed = reassignAllowed;
+  }
+
   /**
    * Get whether auto start is enabled.
    *

ambari-server/src/main/java/org/apache/ambari/server/controller/internal/StackServiceComponentResourceProvider.java

@@ -65,6 +65,9 @@ public class StackServiceComponentResourceProvider extends
   private static final String DECOMISSION_ALLOWED_ID = PropertyHelper.getPropertyId(
       "StackServiceComponents", "decommission_allowed");
 
+  private static final String REASSIGN_ALLOWED_ID = PropertyHelper.getPropertyId(
+      "StackServiceComponents", "reassign_allowed");
+
   private static final String CUSTOM_COMMANDS_PROPERTY_ID = PropertyHelper.getPropertyId(
       "StackServiceComponents", "custom_commands");
 
@@ -162,6 +165,9 @@ public class StackServiceComponentResourceProvider extends
       setResourceProperty(resource, RECOVERY_ENABLED,
           response.isRecoveryEnabled(), requestedIds);
 
+      setResourceProperty(resource, REASSIGN_ALLOWED_ID,
+          response.isReassignAlllowed(), requestedIds);
+
       setResourceProperty(resource, CUSTOM_COMMANDS_PROPERTY_ID,
           response.getCustomCommands(), requestedIds);
 

ambari-server/src/main/java/org/apache/ambari/server/stack/ComponentModule.java

@@ -99,6 +99,10 @@ public class ComponentModule extends BaseModule<ComponentModule, ComponentInfo>
         componentInfo.setBulkCommands(parentInfo.getBulkCommandDefinition());
       }
 
+      if(componentInfo.getReassignAllowed() == null) {
+        componentInfo.setReassignAllowed(parentInfo.getReassignAllowed());
+      }
+
       mergeComponentDependencies(parentInfo.getDependencies(),
               componentInfo.getDependencies());
 

ambari-server/src/main/java/org/apache/ambari/server/state/ComponentInfo.java

@@ -120,6 +120,11 @@ public class ComponentInfo {
   @XmlElements(@XmlElement(name = "recovery_enabled"))
   private boolean recoveryEnabled = false;
 
+  /**
+   * Used to determine if reassign is allowed
+   * */
+  @XmlElements(@XmlElement(name = "reassignAllowed"))
+  private String reassignAllowed;
 
   private String timelineAppid;
 
@@ -146,6 +151,7 @@ public class ComponentInfo {
     configDependencies = prototype.configDependencies;
     clientConfigFiles = prototype.clientConfigFiles;
     timelineAppid = prototype.timelineAppid;
+    reassignAllowed = prototype.reassignAllowed;
   }
 
   public String getName() {
@@ -329,6 +335,14 @@ public class ComponentInfo {
     this.timelineAppid = timelineAppid;
   }
 
+  public String getReassignAllowed() {
+    return reassignAllowed;
+  }
+
+  public void setReassignAllowed(String reassignAllowed) {
+    this.reassignAllowed = reassignAllowed;
+  }
+
   @Override
   public boolean equals(Object o) {
     if (this == o) return true;
@@ -341,6 +355,7 @@ public class ComponentInfo {
     if (cardinality != null ? !cardinality.equals(that.cardinality) : that.cardinality != null) return false;
     if (versionAdvertised != that.versionAdvertised) return false;
     if (decommissionAllowed != null ? !decommissionAllowed.equals(that.decommissionAllowed) : that.decommissionAllowed != null) return false;
+    if (reassignAllowed != null ? !reassignAllowed.equals(that.reassignAllowed) : that.reassignAllowed != null) return false;
     if (category != null ? !category.equals(that.category) : that.category != null) return false;
     if (clientConfigFiles != null ? !clientConfigFiles.equals(that.clientConfigFiles) : that.clientConfigFiles != null)
       return false;
@@ -370,6 +385,7 @@ public class ComponentInfo {
     result = 31 * result + (cardinality != null ? cardinality.hashCode() : 0);
     result = 31 * result + (versionAdvertised ? 1 : 0);
     result = 31 * result + (decommissionAllowed != null ? decommissionAllowed.hashCode() : 0);
+    result = 31 * result + (reassignAllowed != null ? reassignAllowed.hashCode() : 0);
     result = 31 * result + (commandScript != null ? commandScript.hashCode() : 0);
     result = 31 * result + (logs != null ? logs.hashCode() : 0);
     result = 31 * result + (clientConfigFiles != null ? clientConfigFiles.hashCode() : 0);

ambari-server/src/main/resources/common-services/AMBARI_METRICS/0.1.0/metainfo.xml

@@ -31,6 +31,7 @@
           <category>MASTER</category>
           <cardinality>1+</cardinality>
           <versionAdvertised>false</versionAdvertised>
+          <reassignAllowed>true</reassignAllowed>
           <timelineAppid>AMS-HBASE</timelineAppid>
           <recovery_enabled>true</recovery_enabled>
           <dependencies>

ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/metainfo.xml

@@ -31,6 +31,7 @@
           <category>MASTER</category>
           <cardinality>1-2</cardinality>
           <versionAdvertised>true</versionAdvertised>
+          <reassignAllowed>true</reassignAllowed>
           <commandScript>
             <script>scripts/namenode.py</script>
             <scriptType>PYTHON</scriptType>
@@ -94,6 +95,7 @@
           <!-- TODO:  cardinality is conditional on HA usage -->
           <cardinality>1</cardinality>
           <versionAdvertised>true</versionAdvertised>
+          <reassignAllowed>true</reassignAllowed>
           <category>MASTER</category>
           <commandScript>
             <script>scripts/snamenode.py</script>

ambari-server/src/main/resources/common-services/HIVE/0.12.0.2.0/metainfo.xml

@@ -31,6 +31,7 @@
           <category>MASTER</category>
           <cardinality>1</cardinality>
           <versionAdvertised>true</versionAdvertised>
+          <reassignAllowed>true</reassignAllowed>
           <clientsToUpdateConfigs></clientsToUpdateConfigs>
           <auto-deploy>
             <enabled>true</enabled>
@@ -57,6 +58,7 @@
           <category>MASTER</category>
           <cardinality>1</cardinality>
           <versionAdvertised>true</versionAdvertised>
+          <reassignAllowed>true</reassignAllowed>
           <clientsToUpdateConfigs></clientsToUpdateConfigs>
           <dependencies>
             <dependency>
@@ -101,6 +103,7 @@
           <category>MASTER</category>
           <cardinality>1</cardinality>
           <versionAdvertised>true</versionAdvertised>
+          <reassignAllowed>true</reassignAllowed>
           <clientsToUpdateConfigs>
             <client>HCAT</client>
           </clientsToUpdateConfigs>
@@ -171,6 +174,7 @@
           <category>MASTER</category>
           <cardinality>0-1</cardinality>
           <versionAdvertised>false</versionAdvertised>
+          <reassignAllowed>true</reassignAllowed>
           <clientsToUpdateConfigs></clientsToUpdateConfigs>
           <commandScript>
             <script>scripts/mysql_server.py</script>

ambari-server/src/main/resources/common-services/OOZIE/4.0.0.2.0/metainfo.xml

@@ -31,6 +31,7 @@
           <category>MASTER</category>
           <cardinality>1</cardinality>
           <versionAdvertised>true</versionAdvertised>
+          <reassignAllowed>true</reassignAllowed>
           <dependencies>
             <dependency>
               <name>HDFS/HDFS_CLIENT</name>

ambari-server/src/main/resources/common-services/OOZIE/4.2.0.2.3/metainfo.xml

@@ -32,6 +32,7 @@
           <category>MASTER</category>
           <cardinality>1+</cardinality>
           <versionAdvertised>true</versionAdvertised>
+          <reassignAllowed>true</reassignAllowed>
           <dependencies>
             <dependency>
               <name>HDFS/HDFS_CLIENT</name>

ambari-server/src/main/resources/common-services/YARN/2.1.0.2.0/metainfo.xml

@@ -32,6 +32,7 @@
           <category>MASTER</category>
           <cardinality>1</cardinality>
           <versionAdvertised>true</versionAdvertised>
+          <reassignAllowed>true</reassignAllowed>
           <commandScript>
             <script>scripts/resourcemanager.py</script>
             <scriptType>PYTHON</scriptType>
@@ -197,6 +198,7 @@
           <category>MASTER</category>
           <cardinality>1</cardinality>
           <versionAdvertised>true</versionAdvertised>
+          <reassignAllowed>true</reassignAllowed>
           <auto-deploy>
             <enabled>true</enabled>
             <co-locate>YARN/RESOURCEMANAGER</co-locate>

ambari-server/src/main/resources/properties.json

@@ -246,6 +246,7 @@
         "StackServiceComponents/recovery_enabled",
         "StackServiceComponents/advertise_version",
         "StackServiceComponents/decommission_allowed",
+        "StackServiceComponents/reassign_allowed",
         "StackServiceComponents/has_bulk_commands_definition",
         "StackServiceComponents/bulk_commands_display_name",
         "StackServiceComponents/bulk_commands_master_component_name",

ambari-server/src/main/resources/stacks/HDP/2.0.6.GlusterFS/services/YARN/metainfo.xml

@@ -30,6 +30,7 @@
           <displayName>App Timeline Server</displayName>
           <category>MASTER</category>
           <cardinality>1</cardinality>
+          <reassignAllowed>true</reassignAllowed>
           <commandScript>
             <script>scripts/application_timeline_server.py</script>
             <scriptType>PYTHON</scriptType>

ambari-server/src/main/resources/stacks/HDP/2.1/services/YARN/metainfo.xml

@@ -29,6 +29,7 @@
           <displayName>App Timeline Server</displayName>
           <category>MASTER</category>
           <cardinality>0-1</cardinality>
+          <reassignAllowed>true</reassignAllowed>
           <commandScript>
             <script>scripts/application_timeline_server.py</script>
             <scriptType>PYTHON</scriptType>

ambari-server/src/main/resources/stacks/HDP/2.2/services/YARN/metainfo.xml

@@ -27,6 +27,7 @@
         <component>
           <name>APP_TIMELINE_SERVER</name>
           <cardinality>1</cardinality>
+          <reassignAllowed>true</reassignAllowed>
         </component>
       </components>
       

ambari-server/src/test/java/org/apache/ambari/server/controller/AmbariManagementControllerTest.java

@@ -182,6 +182,9 @@ public class AmbariManagementControllerTest {
   private static final String SERVICE_NAME_HBASE = "HBASE";
   private static final String COMPONENT_NAME_REGIONSERVER = "HBASE_REGIONSERVER";
   private static final String COMPONENT_NAME_DATANODE = "DATANODE";
+  private static final String SERVICE_NAME_HIVE = "HIVE";
+  private static final String COMPONENT_NAME_HIVE_METASTORE = "HIVE_METASTORE";
+  private static final String COMPONENT_NAME_HIVE_SERVER = "HIVE_SERVER";
   private static final String STACK_VERSION = "0.2";
   private static final String NEW_STACK_VERSION = "2.0.6";
   private static final String OS_TYPE = "centos5";
@@ -7464,6 +7467,54 @@ public class AmbariManagementControllerTest {
     }
   }
 
+  @Test
+  public void testRassignAllowed() throws Exception{
+    StackServiceComponentRequest requestWithParams = new StackServiceComponentRequest(STACK_NAME, "2.0.5", SERVICE_NAME, COMPONENT_NAME);
+    Set<StackServiceComponentResponse> responsesWithParams = controller.getStackComponents(Collections.singleton(requestWithParams));
+    for (StackServiceComponentResponse responseWithParams: responsesWithParams) {
+      Assert.assertEquals(responseWithParams.getComponentName(), COMPONENT_NAME);
+      Assert.assertTrue(responseWithParams.isReassignAlllowed());
+    }
+
+    requestWithParams = new StackServiceComponentRequest(STACK_NAME, "2.0.5", SERVICE_NAME, COMPONENT_NAME_DATANODE);
+    responsesWithParams = controller.getStackComponents(Collections.singleton(requestWithParams));
+    for (StackServiceComponentResponse responseWithParams: responsesWithParams) {
+      Assert.assertEquals(responseWithParams.getComponentName(), COMPONENT_NAME_DATANODE);
+      Assert.assertFalse(responseWithParams.isReassignAlllowed());
+    }
+  }
+
+  @Test
+  public void testReassignAllowedInheritance() throws Exception{
+    //parent has it, child doesn't
+    StackServiceComponentRequest requestWithParams = new StackServiceComponentRequest(STACK_NAME, NEW_STACK_VERSION, SERVICE_NAME_HIVE, COMPONENT_NAME_HIVE_METASTORE);
+    Set<StackServiceComponentResponse> responsesWithParams = controller.getStackComponents(Collections.singleton(requestWithParams));
+    for (StackServiceComponentResponse responseWithParams: responsesWithParams) {
+      Assert.assertEquals(responseWithParams.getComponentName(), COMPONENT_NAME_HIVE_METASTORE);
+      Assert.assertTrue(responseWithParams.isReassignAlllowed());
+    }
+  }
+
+  @Test
+  public void testReassignAllowedOverwrite() throws Exception{
+    StackServiceComponentRequest requestWithParams = new StackServiceComponentRequest(STACK_NAME, "2.0.5", SERVICE_NAME_HIVE, COMPONENT_NAME_HIVE_SERVER);
+    Set<StackServiceComponentResponse> responsesWithParams = controller.getStackComponents(Collections.singleton(requestWithParams));
+
+    //parent has it
+    for (StackServiceComponentResponse responseWithParams: responsesWithParams) {
+      Assert.assertEquals(responseWithParams.getComponentName(), COMPONENT_NAME_HIVE_SERVER);
+      Assert.assertTrue(responseWithParams.isReassignAlllowed());
+    }
+
+    requestWithParams = new StackServiceComponentRequest(STACK_NAME, NEW_STACK_VERSION, SERVICE_NAME_HIVE, COMPONENT_NAME_HIVE_SERVER);
+    responsesWithParams = controller.getStackComponents(Collections.singleton(requestWithParams));
+    //parent has it, child overwrites it
+    for (StackServiceComponentResponse responseWithParams: responsesWithParams) {
+      Assert.assertEquals(responseWithParams.getComponentName(), COMPONENT_NAME_HIVE_SERVER);
+      Assert.assertFalse(responseWithParams.isReassignAlllowed());
+    }
+  }
+
   @Test
   public void testBulkCommandsInheritence() throws Exception{
     //HDP 2.0.6 inherit HDFS configurations from HDP 2.0.5

ambari-server/src/test/java/org/apache/ambari/server/stack/ComponentModuleTest.java

@@ -444,6 +444,40 @@ public class ComponentModuleTest {
     assertSame("true", resolveComponent(info, parentInfo).getModuleInfo().getDecommissionAllowed());
   }
 
+  @Test
+  public void testResolve_Reassignable(){
+    List<ComponentInfo> components = createComponentInfo(2);
+    ComponentInfo info = components.get(0);
+    ComponentInfo parentInfo = components.get(1);
+
+    //parent doesn't have it, child has it
+    info.setReassignAllowed("false");
+    assertSame("false", resolveComponent(info, parentInfo).getModuleInfo().getReassignAllowed());
+  }
+
+  @Test
+  public void testResolve_ReassignableInheritance(){
+    List<ComponentInfo> components = createComponentInfo(2);
+    ComponentInfo info = components.get(0);
+    ComponentInfo parentInfo = components.get(1);
+
+    //parent has it, child doesn't
+    parentInfo.setReassignAllowed("true");
+    assertSame("true", resolveComponent(info, parentInfo).getModuleInfo().getReassignAllowed());
+  }
+
+  @Test
+  public void testResolve_ReassignableOverwrite(){
+    List<ComponentInfo> components = createComponentInfo(2);
+    ComponentInfo info = components.get(0);
+    ComponentInfo parentInfo = components.get(1);
+
+    //parent has it, child overwrites it
+    parentInfo.setReassignAllowed("false");
+    info.setReassignAllowed("true");
+    assertSame("true", resolveComponent(info, parentInfo).getModuleInfo().getReassignAllowed());
+  }
+
   private List<ComponentInfo> createComponentInfo(int count){
     List<ComponentInfo> result = new ArrayList<ComponentInfo>();
     if(count > 0) {

ambari-server/src/test/resources/stacks/HDP/2.0.5/services/HDFS/metainfo.xml

@@ -29,6 +29,7 @@
           <category>MASTER</category>
           <cardinality>1</cardinality>
           <versionAdvertised>true</versionAdvertised>
+          <reassignAllowed>true</reassignAllowed>
           <commandScript>
             <script>scripts/namenode.py</script>
             <scriptType>PYTHON</scriptType>

ambari-server/src/test/resources/stacks/HDP/2.0.5/services/HIVE/metainfo.xml

@@ -28,6 +28,7 @@
           <name>HIVE_METASTORE</name>
           <category>MASTER</category>
           <cardinality>1</cardinality>
+          <reassignAllowed>true</reassignAllowed>
           <clientsToUpdateConfigs></clientsToUpdateConfigs>
           <auto-deploy>
             <enabled>true</enabled>
@@ -48,6 +49,7 @@
           <category>MASTER</category>
           <cardinality>1</cardinality>
           <clientsToUpdateConfigs></clientsToUpdateConfigs>
+          <reassignAllowed>true</reassignAllowed>
           <dependencies>
             <dependency>
               <name>ZOOKEEPER/ZOOKEEPER_SERVER</name>

ambari-server/src/test/resources/stacks/HDP/2.0.6/services/HIVE/metainfo.xml

@@ -0,0 +1,261 @@
+<?xml version="1.0"?>
+<!--
+   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.
+-->
+<metainfo>
+  <schemaVersion>2.0</schemaVersion>
+  <services>
+    <service>
+      <name>HIVE</name>
+      <comment>Data warehouse system for ad-hoc queries &amp; analysis of large datasets and table &amp; storage management service</comment>
+      <version>0.11.0.2.0.5.0</version>
+      <components>
+
+        <component>
+          <name>HIVE_METASTORE</name>
+          <category>MASTER</category>
+          <cardinality>1</cardinality>
+          <clientsToUpdateConfigs></clientsToUpdateConfigs>
+          <auto-deploy>
+            <enabled>true</enabled>
+            <co-locate>HIVE/HIVE_SERVER</co-locate>
+          </auto-deploy>
+          <commandScript>
+            <script>scripts/hive_metastore.py</script>
+            <scriptType>PYTHON</scriptType>
+            <timeout>600</timeout>
+          </commandScript>
+          <configuration-dependencies>
+            <config-type>hive-site</config-type>
+          </configuration-dependencies>
+        </component>
+
+        <component>
+          <name>HIVE_SERVER</name>
+          <category>MASTER</category>
+          <cardinality>1</cardinality>
+          <clientsToUpdateConfigs></clientsToUpdateConfigs>
+          <reassignAllowed>false</reassignAllowed>
+          <dependencies>
+            <dependency>
+              <name>ZOOKEEPER/ZOOKEEPER_SERVER</name>
+              <scope>cluster</scope>
+              <auto-deploy>
+                <enabled>true</enabled>
+                <co-locate>HIVE/HIVE_SERVER</co-locate>
+              </auto-deploy>
+            </dependency>
+            <dependency>
+              <name>TEZ/TEZ_CLIENT</name>
+              <scope>host</scope>
+              <auto-deploy>
+                <enabled>true</enabled>
+              </auto-deploy>
+            </dependency>
+            <dependency>
+              <name>YARN/YARN_CLIENT</name>
+              <scope>host</scope>
+              <auto-deploy>
+                <enabled>true</enabled>
+              </auto-deploy>
+            </dependency>
+            <dependency>
+              <name>MAPREDUCE2/MAPREDUCE2_CLIENT</name>
+              <scope>host</scope>
+              <auto-deploy>
+                <enabled>true</enabled>
+              </auto-deploy>
+            </dependency>
+          </dependencies>
+          <commandScript>
+            <script>scripts/hive_server.py</script>
+            <scriptType>PYTHON</scriptType>
+          </commandScript>
+          <configuration-dependencies>
+            <config-type>hive-site</config-type>
+          </configuration-dependencies>
+        </component>
+
+        <component>
+          <name>WEBHCAT_SERVER</name>
+          <displayName>WebHCat Server</displayName>
+          <category>MASTER</category>
+          <cardinality>1</cardinality>
+          <clientsToUpdateConfigs>
+            <client>HCAT</client>
+          </clientsToUpdateConfigs>
+          <dependencies>
+            <dependency>
+              <name>HDFS/HDFS_CLIENT</name>
+              <scope>host</scope>
+              <auto-deploy>
+                <enabled>true</enabled>
+              </auto-deploy>
+            </dependency>
+            <dependency>
+              <name>MAPREDUCE/MAPREDUCE_CLIENT</name>
+              <scope>host</scope>
+              <auto-deploy>
+                <enabled>true</enabled>
+              </auto-deploy>
+            </dependency>
+            <dependency>
+              <name>ZOOKEEPER/ZOOKEEPER_SERVER</name>
+              <scope>cluster</scope>
+              <auto-deploy>
+                <enabled>true</enabled>
+                <co-locate>WEBHCAT/WEBHCAT_SERVER</co-locate>
+              </auto-deploy>
+            </dependency>
+            <dependency>
+              <name>ZOOKEEPER/ZOOKEEPER_CLIENT</name>
+              <scope>host</scope>
+              <auto-deploy>
+                <enabled>true</enabled>
+              </auto-deploy>
+            </dependency>
+          </dependencies>
+          <commandScript>
+            <script>scripts/webhcat_server.py</script>
+            <scriptType>PYTHON</scriptType>
+            <timeout>600</timeout>
+          </commandScript>
+          <configuration-dependencies>
+            <config-type>hive-site</config-type>
+          </configuration-dependencies>
+        </component>
+
+        <component>
+          <name>MYSQL_SERVER</name>
+          <category>MASTER</category>
+          <cardinality>1</cardinality>
+          <commandScript>
+            <script>scripts/mysql_server.py</script>
+            <scriptType>PYTHON</scriptType>
+          </commandScript>
+        </component>
+
+        <component>
+          <name>HIVE_CLIENT</name>
+          <category>CLIENT</category>
+          <cardinality>0+</cardinality>
+          <commandScript>
+            <script>scripts/hive_client.py</script>
+            <scriptType>PYTHON</scriptType>
+          </commandScript>
+          <configFiles>
+            <configFile>
+              <type>xml</type>
+              <fileName>hive-site.xml</fileName>
+              <dictionaryName>hive-site</dictionaryName>
+            </configFile>
+            <configFile>
+              <type>env</type>
+              <fileName>hive-env.sh</fileName>
+              <dictionaryName>hive-env</dictionaryName>
+            </configFile>
+          </configFiles>
+          <configuration-dependencies>
+            <config-type>hive-site</config-type>
+          </configuration-dependencies>
+        </component>
+        <component>
+          <name>HCAT</name>
+          <displayName>HCat</displayName>
+          <category>CLIENT</category>
+          <commandScript>
+            <script>scripts/hcat_client.py</script>
+            <scriptType>PYTHON</scriptType>
+          </commandScript>
+          <configFiles>
+            <configFile>
+              <type>xml</type>
+              <fileName>hive-site.xml</fileName>
+              <dictionaryName>hive-site</dictionaryName>
+            </configFile>
+            <configFile>
+              <type>env</type>
+              <fileName>hive-env.sh</fileName>
+              <dictionaryName>hive-env</dictionaryName>
+            </configFile>
+            <configFile>
+              <type>env</type>
+              <fileName>hive-log4j.properties</fileName>
+              <dictionaryName>hive-log4j</dictionaryName>
+            </configFile>
+            <configFile>
+              <type>env</type>
+              <fileName>hive-exec-log4j.properties</fileName>
+              <dictionaryName>hive-exec-log4j</dictionaryName>
+            </configFile>
+          </configFiles>
+          <configuration-dependencies>
+            <config-type>hive-site</config-type>
+          </configuration-dependencies>
+        </component>
+      </components>
+
+      <osSpecifics>
+        <osSpecific>
+          <osFamily>any</osFamily>
+          <packages>
+            <package>
+              <name>hive</name>
+            </package>
+            <package>
+              <name>mysql-connector-java</name>
+            </package>
+          </packages>
+        </osSpecific>
+        <osSpecific>
+          <osFamily>redhat5,redhat6,suse11</osFamily>
+          <packages>
+            <package>
+              <name>mysql</name>
+            </package>
+          </packages>
+        </osSpecific>
+        <osSpecific>
+          <osFamily>redhat5,redhat6,ubuntu12</osFamily>
+          <packages>
+            <package>
+              <name>mysql-server</name>
+            </package>
+          </packages>
+        </osSpecific>
+        <osSpecific>
+          <osFamily>suse11</osFamily>
+          <packages>
+            <package>
+              <name>mysql-client</name>
+            </package>
+          </packages>
+        </osSpecific>
+      </osSpecifics>
+
+      <commandScript>
+        <script>scripts/service_check.py</script>
+        <scriptType>PYTHON</scriptType>
+        <timeout>300</timeout>
+      </commandScript>
+
+      <configuration-dependencies>
+        <config-type>hive-log4j</config-type>
+        <config-type>hive-exec-log4j</config-type>
+      </configuration-dependencies>
+    </service>
+  </services>
+</metainfo>

ambari-web/app/mappers/stack_service_mapper.js

@@ -51,6 +51,7 @@ App.stackServiceMapper = App.QuickDataMapper.create({
     display_name: 'display_name',
     cardinality: 'cardinality',
     custom_commands: 'custom_commands',
+    reassign_allowed : 'reassign_allowed',
     decommission_allowed: 'decommission_allowed',
     has_bulk_commands_definition: 'has_bulk_commands_definition',
     bulk_commands_display_name: 'bulk_commands_display_name',

ambari-web/app/models/stack_service_component.js

@@ -27,6 +27,7 @@ App.StackServiceComponent = DS.Model.extend({
   displayName: DS.attr('string'),
   cardinality: DS.attr('string'),
   customCommands: DS.attr('array'),
+  reassignAllowed: DS.attr('boolean'),
   decommissionAllowed: DS.attr('boolean'),
   hasBulkCommandsDefinition: DS.attr('boolean'),
   bulkCommandsDisplayName: DS.attr('string'),
@@ -72,8 +73,9 @@ App.StackServiceComponent = DS.Model.extend({
   isRestartable: Em.computed.not('isClient'),
 
   /** @property {Boolean} isReassignable - component supports reassign action **/
-  isReassignable: Em.computed.existsIn('componentName', ['NAMENODE', 'SECONDARY_NAMENODE', 'JOBTRACKER', 'RESOURCEMANAGER', 'APP_TIMELINE_SERVER', 'OOZIE_SERVER',
-    'WEBHCAT_SERVER', 'HIVE_SERVER', 'HIVE_METASTORE', 'MYSQL_SERVER', 'METRICS_COLLECTOR', 'HISTORYSERVER']),
+  isReassignable: function(){
+    return this.get('reassignAllowed');
+  }.property('reassignAllowed'),
 
   /** @property {Boolean} isNonHDPComponent - component not belongs to HDP services **/
   isNonHDPComponent: function() {

ambari-web/test/mappers/stack_service_mapper_test.js

@@ -129,6 +129,7 @@ describe('App.stackServiceMapper', function () {
                   "bulk_commands_display_name" : "DataNodes",
                   "bulk_commands_master_component_name" : "NAMENODE",
                   "has_bulk_commands_definition" : true,
+                  "reassign_allowed" : true,
                   "cardinality" : "1+",
                   "display_name" : "DataNode",
                   "is_client" : false,
@@ -252,6 +253,7 @@ describe('App.stackServiceMapper', function () {
       expect(components.findProperty('componentName', 'DATANODE').get('bulkCommandsDisplayName')).to.eql("DataNodes");
       expect(components.findProperty('componentName', 'DATANODE').get('bulkCommandsMasterComponentName')).to.eql("NAMENODE");
       expect(components.findProperty('componentName', 'DATANODE').get('decommissionAllowed')).to.be.true;
+      expect(components.findProperty('componentName', 'DATANODE').get('reassignAllowed')).to.be.true;
     });
 
   });

ambari-web/test/service_components.js

@@ -557,6 +557,7 @@ module.exports = {
             "custom_commands" : [ ],
             "is_client" : false,
             "is_master" : true,
+            "reassign_allowed" : true,
             "service_name" : "HIVE",
             "stack_name" : "HDP",
             "stack_version" : "2.1"
@@ -577,6 +578,7 @@ module.exports = {
             "custom_commands" : [ ],
             "is_client" : false,
             "is_master" : true,
+            "reassign_allowed" : true,
             "service_name" : "HIVE",
             "stack_name" : "HDP",
             "stack_version" : "2.1"
@@ -1284,6 +1286,7 @@ module.exports = {
             "custom_commands" : [ ],
             "is_client" : false,
             "is_master" : true,
+            "reassign_allowed" : true,
             "service_name" : "YARN",
             "stack_name" : "HDP",
             "stack_version" : "2.1"