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Posted to commits@ambari.apache.org by nc...@apache.org on 2016/10/28 17:46:05 UTC

[26/38] ambari git commit: Revert "AMBARI-18727. Add upgrade packs for HDP-2.6 (aonishuk)"

http://git-wip-us.apache.org/repos/asf/ambari/blob/86d494b0/ambari-server/src/main/resources/stacks/HDP/2.5/upgrades/nonrolling-upgrade-2.6.xml
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/stacks/HDP/2.5/upgrades/nonrolling-upgrade-2.6.xml b/ambari-server/src/main/resources/stacks/HDP/2.5/upgrades/nonrolling-upgrade-2.6.xml
deleted file mode 100644
index ea829e2..0000000
--- a/ambari-server/src/main/resources/stacks/HDP/2.5/upgrades/nonrolling-upgrade-2.6.xml
+++ /dev/null
@@ -1,1168 +0,0 @@
-<?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.
--->
-
-<upgrade xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="upgrade-pack.xsd">
-  <target>2.6.*.*</target>
-  <target-stack>HDP-2.6</target-stack>
-  <type>NON_ROLLING</type>
-  <prerequisite-checks>
-    <configuration>
-      <!-- Configuration properties for all pre-reqs including required pre-reqs -->
-      <check-properties name="org.apache.ambari.server.checks.HiveDynamicServiceDiscoveryCheck">
-        <property name="min-failure-stack-version">HDP-2.3.0.0</property>
-      </check-properties>
-    </configuration>
-  </prerequisite-checks>
-  <order>
-    <group xsi:type="cluster" name="PRE_CLUSTER" title="Prepare Upgrade">
-      <direction>UPGRADE</direction>
-
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-
-      <execute-stage service="YARN" component="RESOURCEMANAGER" title="Stop YARN Queues">
-        <task xsi:type="manual">
-          <message>Before continuing, please stop all YARN queues. If yarn-site's yarn.resourcemanager.work-preserving-recovery.enabled is set to true, then you can skip this step since the clients will retry on their own.</message>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="SLIDER" component="SLIDER" title="Stop Long Running Applications on Slider">
-        <task xsi:type="manual">
-          <message>Before continuing, please stop all long-running applications deployed using Slider. E.g., su - yarn "/usr/hdp/current/slider-client/bin/slider stop &lt;app_name&gt;"</message>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="STORM" component="NIMBUS" title="Stop Storm Topologies">
-        <task xsi:type="manual">
-          <message>Before continuing, please deactivate and kill any currently running topologies.</message>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="TEZ" component="TEZ_CLIENT" title="Check Tez Tarball">
-        <task xsi:type="execute" hosts="any">
-          <script>scripts/pre_upgrade.py</script>
-          <function>prepare</function>
-        </task>
-      </execute-stage>
-    </group>
-
-    <group xsi:type="stop" name="STOP_HIGH_LEVEL_SERVICE_COMPONENTS" title="Stop Components for High-Level Services">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <parallel-scheduler/>
-
-      <service name="ATLAS">
-        <component>ATLAS_SERVER</component>
-      </service>
-
-      <service name="FLUME">
-        <component>FLUME_HANDLER</component>
-      </service>
-      
-      <service name="ACCUMULO">
-        <component>ACCUMULO_TRACER</component>
-        <component>ACCUMULO_GC</component>
-        <component>ACCUMULO_TSERVER</component>
-        <component>ACCUMULO_MONITOR</component>
-        <component>ACCUMULO_MASTER</component>
-      </service>
-
-      <service name="STORM">
-        <component>DRPC_SERVER</component>
-        <component>STORM_UI_SERVER</component>
-        <component>SUPERVISOR</component>
-        <component>NIMBUS</component>
-      </service>
-
-      <service name="KNOX">
-        <component>KNOX_GATEWAY</component>
-      </service>
-
-      <service name="FALCON">
-        <component>FALCON_SERVER</component>
-      </service>
-
-      <service name="OOZIE">
-        <component>OOZIE_SERVER</component>
-      </service>
-
-      <service name="SPARK">
-        <component>SPARK_JOBHISTORYSERVER</component>
-        <component>SPARK_THRIFTSERVER</component>
-        <component>LIVY_SERVER</component>
-      </service>
-
-      <service name="ZEPPELIN">
-        <component>ZEPPELIN_MASTER</component>
-      </service>
-
-      <service name="HIVE">
-        <component>WEBHCAT_SERVER</component>
-        <component>HIVE_SERVER</component>
-        <component>HIVE_SERVER_INTERACTIVE</component>
-        <component>HIVE_METASTORE</component>
-      </service>
-
-      <service name="YARN">
-        <component>NODEMANAGER</component>
-        <component>RESOURCEMANAGER</component>
-        <component>APP_TIMELINE_SERVER</component>
-      </service>
-
-      <service name="MAPREDUCE2">
-        <component>HISTORYSERVER</component>
-      </service>
-    </group>
-
-    <group xsi:type="cluster" name="Backups" title="Perform Backups">
-      <direction>UPGRADE</direction>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-
-      <execute-stage service="OOZIE" component="OOZIE_SERVER" title="Backup Oozie Database">
-        <task xsi:type="manual">
-          <message>Before continuing, please backup the Oozie Server database referenced by the Oozie server located on {{hosts.all}}.</message>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="HIVE" component="HIVE_METASTORE" title="Backup Hive Metastore">
-        <task xsi:type="manual">
-          <message>Before continuing, please backup the Hive Metastore database referenced by the Hive Metastore service(s) located on the following host(s): {{hosts.all}}.</message>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="HBASE" component="HBASE_MASTER" title="Snapshot HBASE">
-        <task xsi:type="execute" hosts="master">
-          <script>scripts/hbase_upgrade.py</script>
-          <function>take_snapshot</function>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="HDFS" component="NAMENODE" title="Prepare HDFS">
-        <task xsi:type="execute" hosts="master">
-          <script>scripts/namenode.py</script>
-          <function>prepare_express_upgrade</function>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="RANGER" component="RANGER_ADMIN" title="Backup Ranger Database">
-        <task xsi:type="manual">
-          <message>Before continuing, please backup the Ranger Admin database and Ranger Audit database on the following host(s): {{hosts.all}}. If audit database size is too large (greater than 3GB) then follow the below instructions:
-            1. Backup the audit table from audit database.
-            2. Truncate audit table.
-            3. Follow upgrade process and once completed then restore audit data to audit table.</message>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="RANGER_KMS" component="RANGER_KMS_SERVER" title="Backup Ranger KMS Database">
-        <task xsi:type="manual">
-          <message>Before continuing, please backup Ranger KMS database on the following host(s): {{hosts.all}}.</message>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="ZEPPELIN" component="ZEPPELIN_MASTER" title="Pre Upgrade Zeppelin notebooks Backup">
-        <task xsi:type="manual">
-          <message>Before continuing, please backup Zeppelin notebooks directory on the following host(s): {{hosts.all}}.</message>
-        </task>
-      </execute-stage>
-    </group>
-
-    <group xsi:type="stop" name="STOP_LOW_LEVEL_SERVICE_COMPONENTS" title="Stop Components for Core Services">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <parallel-scheduler/>
-
-      <service name="HBASE">
-        <component>HBASE_REGIONSERVER</component>
-        <component>HBASE_MASTER</component>
-        <component>PHOENIX_QUERY_SERVER</component>
-      </service>
-
-      <service name="KAFKA">
-        <component>KAFKA_BROKER</component>
-      </service>
-
-      <service name="HDFS">
-        <component>DATANODE</component>
-        <component>NAMENODE</component>
-        <component>SECONDARY_NAMENODE</component>
-        <component>ZKFC</component>
-        <component>JOURNALNODE</component>
-        <component>NFS_GATEWAY</component>
-      </service>
-
-      <service name="RANGER">
-        <component>RANGER_USERSYNC</component>
-        <component>RANGER_ADMIN</component>
-        <component>RANGER_TAGSYNC</component>
-      </service>
-
-      <service name="RANGER_KMS">
-        <component>RANGER_KMS_SERVER</component>
-      </service>
-
-      <service name="ZOOKEEPER">
-        <component>ZOOKEEPER_SERVER</component>
-      </service>
-    </group>
-
-    <group xsi:type="cluster" name="Restore Backups" title="Restore Backups">
-      <direction>DOWNGRADE</direction>
-      <skippable>true</skippable>
-
-      <!-- If the user attempts a downgrade after this point, they will need to restore backups
-      before starting any of the services. -->
-
-      <execute-stage service="OOZIE" component="OOZIE_SERVER" title="Restore Oozie Database">
-        <task xsi:type="manual">
-          <message>Before continuing, please restore the Oozie Server database referenced by the Oozie server located on {{hosts.all}}.</message>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="HIVE" component="HIVE_METASTORE" title="Restore Hive Metastore">
-        <task xsi:type="manual">
-          <message>Before continuing, please restore the Hive Metastore database referenced by the Hive Metastore service(s) located on the following host(s):: {{hosts.all}}.</message>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="RANGER" component="RANGER_ADMIN" title="Restore Ranger Database">
-        <task xsi:type="manual">
-          <message>Before continuing, please restore the Ranger Admin database and Ranger Audit database on the following host(s): {{hosts.all}}.</message>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="RANGER_KMS" component="RANGER_KMS_SERVER" title="Restore Ranger KMS Database">
-        <task xsi:type="manual">
-          <message>Before continuing, please restore Ranger KMS database</message>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="ZEPPELIN" component="ZEPPELIN_MASTER" title="Restore Zeppelin notebooks directory">
-        <task xsi:type="manual">
-          <message>Before continuing, please restore Zeppelin notebooks directory</message>
-        </task>
-      </execute-stage>
-    </group>
-
-    <!-- After processing this group, will change the effective Stack of the UpgradeContext object. -->
-    <group xsi:type="update-stack" name="UPDATE_DESIRED_STACK_ID" title="Update Target Stack">
-      <execute-stage title="Update Target Stack" service="" component="">
-        <task xsi:type="server_action" class="org.apache.ambari.server.serveraction.upgrades.UpdateDesiredStackAction">
-        </task>
-      </execute-stage>
-    </group>
-
-    <group xsi:type="cluster" name="Upgrade service configs" title="Upgrade service configs">
-      <direction>UPGRADE</direction>   <!--  prevent config changes on downgrade -->
-      <skippable>true</skippable>  <!-- May fix configuration problems manually -->
-
-      <!--YARN-->
-      <execute-stage service="MAPREDUCE2" component="MAPREDUCE2_CLIENT" title="Apply config changes for Mapreduce2 client">
-        <task xsi:type="server_action" class="org.apache.ambari.server.serveraction.upgrades.FixLzoCodecPath">
-          <summary>Verifying LZO codec path for mapreduce</summary>
-        </task>
-      </execute-stage>
-
-      <!--TEZ-->
-      <execute-stage service="TEZ" component="TEZ_CLIENT" title="Verify LZO codec path for Tez">
-        <task xsi:type="server_action" class="org.apache.ambari.server.serveraction.upgrades.FixLzoCodecPath">
-          <summary>Verifying LZO codec path for Tez</summary>
-        </task>
-      </execute-stage>
-
-      <!--OOZIE-->
-      <execute-stage service="OOZIE" component="OOZIE_SERVER" title="Apply config changes for Oozie Server">
-        <task xsi:type="server_action" class="org.apache.ambari.server.serveraction.upgrades.OozieConfigCalculation">
-          <summary>Adjusting Oozie properties</summary>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="STORM" component="NIMBUS" title="Apply config changes for Nimbus">
-        <task xsi:type="configure" id="increase_storm_zookeeper_timeouts"/>
-      </execute-stage>
-    </group>
-
-    <!--
-    After processing this group, the user-specified Kerberos descriptor will be updated to work with
-    the new stack-level Kerberos descriptor.
-    -->
-    <group xsi:type="cluster" name="UPDATE_KERBEROS_DESCRIPTORS" title="Update Kerberos Descriptors">
-      <execute-stage title="Update the user-specified Kerberos descriptor" service="" component="">
-        <task xsi:type="server_action" class="org.apache.ambari.server.serveraction.upgrades.UpgradeUserKerberosDescriptor"/>
-      </execute-stage>
-    </group>
-
-    <!--
-    Invoke "hdp-select set all" to change any components we may have missed
-    that are installed on the hosts but not known by Ambari.
-    -->
-    <group xsi:type="cluster" name="ALL_HOST_OPS" title="Set Version On All Hosts">
-      <scope>COMPLETE</scope>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-
-      <execute-stage title="Update stack to {{version}}">
-        <task xsi:type="execute">
-          <script>scripts/ru_set_all.py</script>
-          <function>actionexecute</function>
-        </task>
-      </execute-stage>
-    </group>
-    
-    <!-- Now, restart all of the services. -->
-    <group xsi:type="restart" name="ZOOKEEPER" title="ZooKeeper">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <parallel-scheduler/>
-      <service name="ZOOKEEPER">
-        <component>ZOOKEEPER_SERVER</component>
-        <component>ZOOKEEPER_CLIENT</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="RANGER" title="Ranger">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <parallel-scheduler/>
-      <service name="RANGER">
-        <component>RANGER_ADMIN</component>
-        <component>RANGER_USERSYNC</component>
-        <component>RANGER_TAGSYNC</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="RANGER_KMS" title="Ranger KMS">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <parallel-scheduler/>
-      <service name="RANGER_KMS">
-        <component>RANGER_KMS_SERVER</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="HDFS" title="HDFS">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <parallel-scheduler/>
-      <service name="HDFS">
-        <component>JOURNALNODE</component>
-        <component>ZKFC</component>
-        <component>NAMENODE</component>
-        <component>SECONDARY_NAMENODE</component>
-        <component>NFS_GATEWAY</component>
-        <component>HDFS_CLIENT</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="HDFS_DATANODES" title="HDFS DataNodes">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <parallel-scheduler/>
-      <service name="HDFS">
-        <component>DATANODE</component>
-      </service>
-    </group>
-
-    <group xsi:type="cluster" name="HDFS_LEAVE_SAFEMODE" title="HDFS - Wait to leave Safemode">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-
-      <execute-stage service="HDFS" component="NAMENODE" title="Wait to leave Safemode">
-        <task xsi:type="execute" hosts="all">
-          <summary>Wait for NameNode to leave Safemode</summary>
-          <script>scripts/namenode.py</script>
-          <function>wait_for_safemode_off</function>
-        </task>
-      </execute-stage>
-    </group>
-
-    <group xsi:type="restart" name="KAFKA" title="Kafka">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <parallel-scheduler/>
-      <service name="KAFKA">
-        <component>KAFKA_BROKER</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="YARN_AND_MAPR" title="YARN and MapReduce2">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <parallel-scheduler/>
-
-      <service name="MAPREDUCE2">
-        <component>HISTORYSERVER</component>
-        <component>MAPREDUCE2_CLIENT</component>
-      </service>
-
-      <service name="YARN">
-        <component>APP_TIMELINE_SERVER</component>
-        <component>RESOURCEMANAGER</component>
-        <component>YARN_CLIENT</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="YARN_NODEMANAGERS" title="YARN NodeManagers">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <parallel-scheduler/>
-
-      <service name="YARN">
-        <component>NODEMANAGER</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="HBASE" title="HBASE">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <parallel-scheduler/>
-      <service name="HBASE">
-        <component>HBASE_MASTER</component>
-        <component>HBASE_REGIONSERVER</component>
-        <component>HBASE_CLIENT</component>
-        <component>PHOENIX_QUERY_SERVER</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="CLIENTS" title="Tez, Pig, Sqoop Clients">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <parallel-scheduler/>
-      <service name="TEZ">
-        <component>TEZ_CLIENT</component>
-      </service>
-
-      <service name="MAHOUT">
-        <component>MAHOUT</component>
-      </service>
-
-      <service name="PIG">
-        <component>PIG</component>
-      </service>
-
-      <service name="SQOOP">
-        <component>SQOOP</component>
-      </service>
-    </group>
-
-    <group name="SERVICE_CHECK_1" title="All Service Checks" xsi:type="service-check">
-      <direction>UPGRADE</direction>
-      <skippable>true</skippable>
-      <priority>
-        <service>ZOOKEEPER</service>
-        <service>RANGER</service>
-        <service>RANGER_KMS</service>
-        <service>HDFS</service>
-        <service>KAFKA</service>
-        <service>YARN</service>
-        <service>MAPREDUCE2</service>
-        <service>HBASE</service>
-      </priority>
-    </group>
-
-    <!-- Slider must be upgraded before higher-level apps that need to run apps on Slider, such as Hive. -->
-    <group xsi:type="restart" name="SLIDER" title="Slider">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <parallel-scheduler/>
-      <service name="SLIDER">
-        <component>SLIDER</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="HIVE_MASTERS" title="Hive Masters">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <!-- Must be ran sequentially because Hive Metastore upgrades the schema and Hive Server copies tarballs. -->
-      <parallel-scheduler>
-        <max-degree-of-parallelism>1</max-degree-of-parallelism>
-      </parallel-scheduler>
-      <service name="HIVE">
-        <component>HIVE_METASTORE</component>
-        <component>HIVE_SERVER</component>
-        <component>HIVE_SERVER_INTERACTIVE</component>
-        <component>WEBHCAT_SERVER</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="HIVE_CLIENTS" title="Hive Clients">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <parallel-scheduler/>
-      <service name="HIVE">
-        <component>HIVE_CLIENT</component>
-        <component>HCAT</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="SPARK" title="Spark">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <parallel-scheduler/>
-      <service name="SPARK">
-        <component>SPARK_JOBHISTORYSERVER</component>
-        <component>SPARK_THRIFTSERVER</component>
-        <component>LIVY_SERVER</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="SPARK_CLIENTS" title="Spark Clients">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <parallel-scheduler/>
-      <service name="SPARK">
-        <component>SPARK_CLIENT</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="ZEPPELIN" title="Zeppelin">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <parallel-scheduler/>
-      <service name="ZEPPELIN">
-        <component>ZEPPELIN_MASTER</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="ATLAS" title="Atlas">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <parallel-scheduler/>
-      <service name="ATLAS">
-        <component>ATLAS_SERVER</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="ATLAS_CLIENTS" title="Atlas Clients">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>true</supports-auto-skip-failure>
-      <parallel-scheduler/>
-      <service name="ATLAS">
-        <component>ATLAS_CLIENT</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="OOZIE" title="Oozie">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <parallel-scheduler/>
-      <service name="OOZIE">
-        <component>OOZIE_SERVER</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="OOZIE_CLIENTS" title="Oozie Clients">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <parallel-scheduler/>
-      <service name="OOZIE">
-        <component>OOZIE_CLIENT</component>
-      </service>
-    </group>
-
-
-    <group name="SERVICE_CHECK_2" title="All Service Checks" xsi:type="service-check">
-      <direction>UPGRADE</direction>
-      <skippable>true</skippable>
-      <priority>
-        <service>HIVE</service>
-        <service>SPARK</service>
-        <service>SLIDER</service>
-        <service>OOZIE</service>
-      </priority>
-    </group>
-
-    <group xsi:type="restart" name="FALCON" title="Falcon">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <parallel-scheduler/>
-      <service name="FALCON">
-        <component>FALCON_SERVER</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="FALCON_CLIENTS" title="Falcon Clients">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <parallel-scheduler/>
-      <service name="FALCON">
-        <component>FALCON_CLIENT</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="KNOX" title="Knox">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <parallel-scheduler/>
-      <service name="KNOX">
-        <component>KNOX_GATEWAY</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="STORM" title="Storm">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <parallel-scheduler/>
-      <service name="STORM">
-        <component>NIMBUS</component>
-        <component>SUPERVISOR</component>
-        <component>STORM_UI_SERVER</component>
-        <component>DRPC_SERVER</component>
-      </service>
-    </group>
-
-    <group xsi:type="restart" name="FLUME" title="Flume">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <parallel-scheduler/>
-      <service name="FLUME">
-        <component>FLUME_HANDLER</component>
-      </service>
-    </group>
-    
-    <group xsi:type="restart" name="ACCUMULO" title="Accumulo">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <parallel-scheduler/>
-      <service name="ACCUMULO">
-        <component>ACCUMULO_MASTER</component>
-        <component>ACCUMULO_TSERVER</component>
-        <component>ACCUMULO_MONITOR</component>
-        <component>ACCUMULO_GC</component>
-        <component>ACCUMULO_TRACER</component>
-        <component>ACCUMULO_CLIENT</component>
-      </service>
-    </group>
-
-    <group name="SERVICE_CHECK_3" title="All Service Checks" xsi:type="service-check">
-      <direction>UPGRADE</direction>
-      <skippable>true</skippable>
-      <priority>
-        <service>FALCON</service>
-        <service>KNOX</service>
-        <service>STORM</service>
-        <service>FLUME</service>
-        <service>ACCUMULO</service>
-      </priority>
-    </group>
-
-    <group xsi:type="cluster" name="FINALIZE_PRE_CHECK" title="Finalize {{direction.text.proper}} Pre-Check">
-      <direction>UPGRADE</direction>
-      
-      <execute-stage title="Check Component Versions">
-        <task xsi:type="server_action" class="org.apache.ambari.server.serveraction.upgrades.ComponentVersionCheckAction" />
-      </execute-stage>
-    </group>
-
-    <group xsi:type="cluster" name="MANUAL_STEPS" title="Finishing Upgrade">
-      <direction>UPGRADE</direction>
-
-      <execute-stage service="YARN" component="RESOURCEMANAGER" title="Start YARN Queues">
-        <task xsi:type="manual">
-          <message>Please start previously stopped YARN queues. If yarn-site's yarn.resourcemanager.work-preserving-recovery.enabled is set to true, then you can skip this step since the clients will retry on their own.</message>
-        </task>
-      </execute-stage>
-    </group>
-
-    <group xsi:type="cluster" name="POST_CLUSTER" title="Finalize {{direction.text.proper}}">
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-
-      <execute-stage title="Confirm Finalize">
-        <direction>UPGRADE</direction>
-        <task xsi:type="manual">
-          <message>Please confirm you are ready to finalize.</message>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="HDFS" component="NAMENODE" title="Execute HDFS Finalize">
-        <task xsi:type="execute" hosts="master">
-          <script>scripts/namenode.py</script>
-          <function>finalize_non_rolling_upgrade</function>
-        </task>
-      </execute-stage>
-
-      <execute-stage title="Save Cluster State" service="" component="">
-        <task xsi:type="server_action" class="org.apache.ambari.server.serveraction.upgrades.FinalizeUpgradeAction">
-        </task>
-      </execute-stage>
-
-    </group>
-  </order>
-
-  <processing>
-    <service name="ZOOKEEPER">
-      <component name="ZOOKEEPER_SERVER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="ZOOKEEPER_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="RANGER">
-      <component name="RANGER_ADMIN">
-        <pre-upgrade>
-
-          <task xsi:type="execute" hosts="all">
-            <script>scripts/ranger_admin.py</script>
-            <function>set_pre_start</function>
-          </task>
-
-          <task xsi:type="execute" hosts="any">
-            <summary>Upgrading Ranger database schema</summary>
-            <script>scripts/ranger_admin.py</script>
-            <function>setup_ranger_database</function>
-          </task>
-
-          <task xsi:type="configure_function" hosts="all" />
-
-          <task xsi:type="execute" hosts="any">
-            <summary>Applying Ranger java patches</summary>
-            <script>scripts/ranger_admin.py</script>
-            <function>setup_ranger_java_patches</function>
-          </task>
-        </pre-upgrade>
-
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-
-      </component>
-
-      <component name="RANGER_USERSYNC">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="RANGER_TAGSYNC">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="RANGER_KMS">
-      <component name="RANGER_KMS_SERVER">
-        <pre-upgrade>
-          <task xsi:type="execute" hosts="any" sequential="true">
-            <summary>Upgrading Ranger KMS database schema</summary>
-            <script>scripts/kms_server.py</script>
-            <function>setup_ranger_kms_database</function>
-          </task>
-        </pre-upgrade>
-
-        <pre-downgrade>
-          <task xsi:type="execute" hosts="any" sequential="true">
-            <summary>Downgrading Ranger KMS database schema</summary>
-            <script>scripts/kms_server.py</script>
-            <function>setup_ranger_kms_database</function>
-          </task>
-        </pre-downgrade>
-
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="HDFS">
-      <component name="NAMENODE">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="SECONDARY_NAMENODE">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="DATANODE">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="HDFS_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="JOURNALNODE">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="ZKFC">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="NFS_GATEWAY">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="MAPREDUCE2">
-      <component name="HISTORYSERVER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="MAPREDUCE2_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="YARN">
-      <component name="APP_TIMELINE_SERVER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="RESOURCEMANAGER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="NODEMANAGER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="YARN_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="KAFKA">
-      <component name="KAFKA_BROKER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="HBASE">
-      <component name="HBASE_MASTER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="HBASE_REGIONSERVER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="HBASE_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="TEZ">
-      <component name="TEZ_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="MAHOUT">
-      <component name="MAHOUT">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="PIG">
-      <component name="PIG">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="SQOOP">
-      <component name="SQOOP">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="HIVE">
-      <component name="HIVE_METASTORE">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="HIVE_SERVER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="HIVE_SERVER_INTERACTIVE">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="WEBHCAT_SERVER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="HIVE_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="HCAT">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="SPARK">
-      <component name="SPARK_JOBHISTORYSERVER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-      <component name="SPARK_THRIFTSERVER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-      <component name="LIVY_SERVER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-      <component name="SPARK_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="ZEPPELIN">
-      <component name="ZEPPELIN_MASTER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="OOZIE">
-      <component name="OOZIE_SERVER">
-        <pre-upgrade>
-          <!-- It is extremely important that both of these tasks run on the exact same host. Hence, pick the first alphabetically. -->
-          <task xsi:type="configure_function" hosts="first" />
-
-          <task xsi:type="execute" hosts="first" sequential="true">
-            <summary>Upgrading the Oozie database and creating a new sharelib</summary>
-            <script>scripts/oozie_server_upgrade.py</script>
-            <function>upgrade_oozie_database_and_sharelib</function>
-          </task>
-        </pre-upgrade>
-
-        <pre-downgrade>
-          <task xsi:type="execute" hosts="any" sequential="true">
-            <summary>Create a new sharelib</summary>
-            <script>scripts/oozie_server_upgrade.py</script>
-            <function>create_sharelib</function>
-          </task>
-        </pre-downgrade>
-
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="OOZIE_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="FALCON">
-      <component name="FALCON_SERVER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-      <component name="FALCON_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="KNOX">
-      <component name="KNOX_GATEWAY">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="STORM">
-      <component name="NIMBUS">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="SUPERVISOR">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="STORM_UI_SERVER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="DRPC_SERVER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="ACCUMULO">
-      <component name="ACCUMULO_MASTER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="ACCUMULO_TSERVER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="ACCUMULO_MONITOR">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="ACCUMULO_GC">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="ACCUMULO_TRACER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="ACCUMULO_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="SLIDER">
-      <component name="SLIDER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="FLUME">
-      <component name="FLUME_HANDLER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="ATLAS">
-      <component name="ATLAS_SERVER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-
-      <component name="ATLAS_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-  </processing>
-</upgrade>

http://git-wip-us.apache.org/repos/asf/ambari/blob/86d494b0/ambari-server/src/main/resources/stacks/HDP/2.5/upgrades/upgrade-2.6.xml
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/stacks/HDP/2.5/upgrades/upgrade-2.6.xml b/ambari-server/src/main/resources/stacks/HDP/2.5/upgrades/upgrade-2.6.xml
deleted file mode 100644
index 7b4472e..0000000
--- a/ambari-server/src/main/resources/stacks/HDP/2.5/upgrades/upgrade-2.6.xml
+++ /dev/null
@@ -1,930 +0,0 @@
-<?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.
--->
-
-<upgrade xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="upgrade-pack.xsd">
-  <target>2.6.*.*</target>
-  <target-stack>HDP-2.6</target-stack>
-  <skip-failures>false</skip-failures>
-  <skip-service-check-failures>false</skip-service-check-failures>
-  <type>ROLLING</type>
-  <prerequisite-checks>
-    <!-- List of additional pre-req checks to run in addition to the required pre-reqs -->
-    <check>org.apache.ambari.server.checks.HiveMultipleMetastoreCheck</check>
-    <check>org.apache.ambari.server.checks.MapReduce2JobHistoryStatePreservingCheck</check>
-    <check>org.apache.ambari.server.checks.SecondaryNamenodeDeletedCheck</check>
-    <check>org.apache.ambari.server.checks.ServicesMapReduceDistributedCacheCheck</check>
-    <check>org.apache.ambari.server.checks.ServicesNamenodeHighAvailabilityCheck</check>
-    <check>org.apache.ambari.server.checks.ServicesTezDistributedCacheCheck</check>
-    <check>org.apache.ambari.server.checks.ServicesYarnWorkPreservingCheck</check>
-    <check>org.apache.ambari.server.checks.YarnRMHighAvailabilityCheck</check>
-    <check>org.apache.ambari.server.checks.YarnTimelineServerStatePreservingCheck</check>
-
-    <configuration>
-      <!-- Configuration properties for all pre-reqs including required pre-reqs -->
-      <!--TODO: is it required? -->
-      <check-properties name="org.apache.ambari.server.checks.HiveDynamicServiceDiscoveryCheck">
-        <property name="min-failure-stack-version">HDP-2.3.0.0</property>
-      </check-properties>
-    </configuration>
-  </prerequisite-checks>
-
-  <order>
-    <group xsi:type="cluster" name="PRE_CLUSTER" title="Prepare Upgrade">
-      <direction>UPGRADE</direction>
-      <execute-stage service="HDFS" component="NAMENODE" title="Pre Upgrade HDFS">
-        <task xsi:type="execute" hosts="master">
-          <script>scripts/namenode.py</script>
-          <function>prepare_rolling_upgrade</function>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="TEZ" component="TEZ_CLIENT" title="Check Tez Tarball">
-        <task xsi:type="execute" hosts="any">
-          <script>scripts/pre_upgrade.py</script>
-          <function>prepare</function>
-        </task>
-      </execute-stage>
-    </group>
-
-    <group xsi:type="cluster" name="PREPARE_BACKUPS" title="Prepare Backups">
-      <direction>UPGRADE</direction>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-
-      <execute-stage service="HBASE" component="HBASE_MASTER" title="Pre Upgrade HBase Backup">
-        <task xsi:type="execute" hosts="master">
-          <script>scripts/hbase_upgrade.py</script>
-          <function>take_snapshot</function>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="HIVE" component="HIVE_METASTORE" title="Pre Upgrade Hive Backup">
-        <task xsi:type="manual">
-          <message>Before continuing, please backup the Hive Metastore database referenced by the Hive Metastore service(s) located on the following host(s): {{hosts.all}}.</message>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="OOZIE" component="OOZIE_SERVER" title="Pre Upgrade Oozie Backup">
-        <task xsi:type="manual">
-          <message>Before continuing, please backup the Oozie Server database referenced by the Oozie server located on {{hosts.all}}.</message>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="RANGER" component="RANGER_ADMIN" title="Pre Upgrade Ranger Admin Backup">
-        <task xsi:type="manual">
-          <message>Before continuing, please backup the Ranger Admin database and Ranger Audit database.
-            If audit database size is too large( > 3GB ) then follow the below instructions:
-            1. Backup the audit table from audit database.
-            2. Truncate audit table.
-            3. Follow upgrade process and once completed then restore audit data to audit table.</message>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="RANGER_KMS" component="RANGER_KMS_SERVER" title="Pre Upgrade Ranger KMS Backup">
-        <task xsi:type="manual">
-          <message>Before continuing, please backup Ranger KMS database on the following host(s): {{hosts.all}}.</message>
-        </task>
-      </execute-stage>
-      <execute-stage service="ZEPPELIN" component="ZEPPELIN_MASTER" title="Pre Upgrade Zeppelin notebooks Backup">
-        <task xsi:type="manual">
-          <message>Before continuing, please backup Zeppelin notebooks directory on the following host(s): {{hosts.all}}.</message>
-        </task>
-      </execute-stage>
-    </group>
-
-    <group name="ZOOKEEPER" title="ZooKeeper">
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <service name="ZOOKEEPER">
-        <component>ZOOKEEPER_SERVER</component>
-      </service>
-    </group>
-
-    <group name="RANGER" title="Ranger">
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <service name="RANGER">
-        <component>RANGER_ADMIN</component>
-        <component>RANGER_USERSYNC</component>
-        <component>RANGER_TAGSYNC</component>
-      </service>
-    </group>
-
-    <group name="RANGER_KMS" title="Ranger_KMS">
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <service name="RANGER_KMS">
-        <component>RANGER_KMS_SERVER</component>
-      </service>
-    </group>
-
-
-    <group name="KAFKA" title="Kafka">
-      <skippable>true</skippable>
-      <service name="KAFKA">
-        <component>KAFKA_BROKER</component>
-      </service>
-    </group>
-
-    <!--
-    After processing this group, the user-specified Kerberos descriptor will be updated to work with
-    the new stack-level Kerberos descriptor.
-    -->
-    <group xsi:type="cluster" name="UPDATE_KERBEROS_DESCRIPTORS" title="Update Kerberos Descriptors">
-      <execute-stage title="Update the user-specified Kerberos descriptor" service="" component="">
-        <task xsi:type="server_action" class="org.apache.ambari.server.serveraction.upgrades.UpgradeUserKerberosDescriptor"/>
-      </execute-stage>
-    </group>
-
-    <group name="CORE_MASTER" title="Core Masters">
-      <service-check>false</service-check>
-      <service name="HDFS">
-        <component>NAMENODE</component>
-        <component>JOURNALNODE</component>
-        <component>ZKFC</component>
-      </service>
-
-      <service name="MAPREDUCE2">
-        <component>HISTORYSERVER</component>
-      </service>
-
-      <service name="YARN">
-        <component>APP_TIMELINE_SERVER</component>
-        <component>RESOURCEMANAGER</component>
-      </service>
-
-      <service name="HBASE">
-        <component>HBASE_MASTER</component>
-      </service>
-    </group>
-    
-    <group name="SERVICE_CHECK_1" title="All Service Checks" xsi:type="service-check">
-      <direction>UPGRADE</direction>
-      <skippable>true</skippable>
-      <priority>
-        <service>ZOOKEEPER</service>
-        <service>HDFS</service>
-        <service>YARN</service>
-        <service>MAPREDUCE2</service>
-        <service>HBASE</service>
-      </priority>
-      <exclude>
-        <service>AMBARI_METRICS</service>
-        <service>LOGSEARCH</service>
-      </exclude>
-    </group>
-    
-    <group name="CORE_SLAVES" title="Core Slaves" xsi:type="colocated">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <service name="HDFS">
-        <component>DATANODE</component>
-        <component>NFS_GATEWAY</component>
-      </service>
-      
-      <service name="HBASE">
-        <component>HBASE_REGIONSERVER</component>
-        <component>PHOENIX_QUERY_SERVER</component>
-      </service>
-
-      <service name="YARN">
-        <component>NODEMANAGER</component>
-      </service>
-
-      <batch>
-        <percent>20</percent>
-        <summary>Verification Required</summary>
-        <message>The initial batch of {{components}} hosts have been {{direction.past}}. You are advised to check the hosts and perform cluster/workload-specific tests against your cluster to ensure proper operation before proceeding with {{direction.text}} of the remaining services.</message>
-      </batch>
-    </group>
-    
-    <group name="SERVICE_CHECK_2" title="All Service Checks" xsi:type="service-check">
-      <direction>UPGRADE</direction>
-      <skippable>true</skippable>
-      <priority>
-        <service>ZOOKEEPER</service>
-        <service>HDFS</service>
-        <service>YARN</service>
-        <service>HBASE</service>
-      </priority>
-      <exclude>
-        <service>AMBARI_METRICS</service>
-        <service>LOGSEARCH</service>
-      </exclude>
-    </group>
-
-    <!-- Slider must be upgraded before higher-level apps that need to run apps on Slider, such as Hive. -->
-    <group name="SLIDER" title="Slider">
-      <skippable>true</skippable>
-      <service name="SLIDER">
-        <component>SLIDER</component>
-      </service>
-    </group>
-
-    <group name="HIVE" title="Hive">
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <service name="HIVE">
-        <component>HIVE_SERVER</component>
-        <component>HIVE_METASTORE</component>
-        <component>HIVE_SERVER_INTERACTIVE</component>
-        <component>WEBHCAT_SERVER</component>
-      </service>
-    </group>
-
-    <group name="SPARK" title="Spark">
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <service-check>false</service-check>
-      <service name="SPARK">
-        <component>SPARK_JOBHISTORYSERVER</component>
-        <component>SPARK_THRIFTSERVER</component>
-        <component>LIVY_SERVER</component>
-      </service>
-    </group>
-
-    <group name="ZEPPELIN" title="Zeppelin">
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <service-check>false</service-check>
-      <service name="ZEPPELIN">
-        <component>ZEPPELIN_MASTER</component>
-      </service>
-    </group>
-
-    <group name="SPARK_CLIENTS" title="Spark Clients">
-      <skippable>true</skippable>
-      <service name="SPARK">
-        <component>SPARK_CLIENT</component>
-      </service>
-    </group>
-
-    <group name="ATLAS" title="Atlas">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <service name="ATLAS">
-        <component>ATLAS_SERVER</component>
-      </service>
-    </group>
-
-    <group name="ATLAS_CLIENTS" title="Atlas Clients">
-      <service-check>false</service-check>
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>true</supports-auto-skip-failure>
-      <service name="ATLAS">
-        <component>ATLAS_CLIENT</component>
-      </service>
-    </group>
-
-    <group name="OOZIE" title="Oozie">
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <service-check>false</service-check>
-      <service name="OOZIE">
-        <component>OOZIE_SERVER</component>
-      </service>
-    </group>
-
-    <group name="OOZIE_CLIENTS" title="Oozie Clients">
-      <skippable>true</skippable>
-      <service name="OOZIE">
-        <component>OOZIE_CLIENT</component>
-      </service>
-    </group>
-
-    <group name="FALCON" title="Falcon">
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      <service-check>false</service-check>
-      <service name="FALCON">
-        <component>FALCON_SERVER</component>
-      </service>
-    </group>
-
-    <group name="FALCON_CLIENTS" title="Falcon Clients">
-      <skippable>true</skippable>
-      <service name="FALCON">
-        <component>FALCON_CLIENT</component>
-      </service>
-    </group>
-
-    <group name="CLIENTS" title="Client Components">
-      <service-check>false</service-check>
-      <service name="ZOOKEEPER">
-        <component>ZOOKEEPER_CLIENT</component>
-      </service>
-      <service name="HDFS">
-        <component>HDFS_CLIENT</component>
-      </service>
-
-      <service name="YARN">
-        <component>YARN_CLIENT</component>
-      </service>
-
-      <service name="MAPREDUCE2">
-        <component>MAPREDUCE2_CLIENT</component>
-      </service>
-
-      <service name="TEZ">
-        <component>TEZ_CLIENT</component>
-      </service>
-
-      <service name="HBASE">
-        <component>HBASE_CLIENT</component>
-      </service>
-
-      <service name="PIG">
-        <component>PIG</component>
-      </service>
-
-      <service name="SQOOP">
-        <component>SQOOP</component>
-      </service>
-
-      <service name="MAHOUT">
-        <component>MAHOUT</component>
-      </service>
-
-      <service name="HIVE">
-        <component>HIVE_CLIENT</component>
-        <component>HCAT</component>
-      </service>
-    </group>
-
-    <group name="SERVICE_CHECK_3" title="All Service Checks" xsi:type="service-check">
-      <direction>UPGRADE</direction>
-      <skippable>true</skippable>
-      <priority>
-        <service>ZOOKEEPER</service>
-        <service>HDFS</service>
-        <service>YARN</service>
-        <service>HBASE</service>
-      </priority>
-      <exclude>
-        <service>AMBARI_METRICS</service>
-        <service>LOGSEARCH</service>
-      </exclude>
-    </group>
-
-    <group name="KNOX" title="Knox">
-      <skippable>true</skippable>
-      <service name="KNOX">
-        <component>KNOX_GATEWAY</component>
-      </service>
-    </group>
-
-    <group name="STORM" title="Storm">
-      <skippable>true</skippable>
-      <service name="STORM">
-        <component>NIMBUS</component>
-        <component>SUPERVISOR</component>
-        <component>STORM_UI_SERVER</component>
-        <component>DRPC_SERVER</component>
-      </service>
-    </group>
-
-    <group name="FLUME" title="Flume">
-      <skippable>true</skippable>
-      <service name="FLUME">
-        <component>FLUME_HANDLER</component>
-      </service>
-    </group>
-
-    <group name="ACCUMULO" title="Accumulo">
-      <skippable>true</skippable>
-      <service name="ACCUMULO">
-        <component>ACCUMULO_MASTER</component>
-        <component>ACCUMULO_TSERVER</component>
-        <component>ACCUMULO_MONITOR</component>
-        <component>ACCUMULO_GC</component>
-        <component>ACCUMULO_TRACER</component>
-        <component>ACCUMULO_CLIENT</component>
-      </service>
-    </group>
-
-    <group xsi:type="cluster" name="ALL_HOST_OPS" title="Finalize Hosts">
-      <scope>COMPLETE</scope>
-      <execute-stage title="Update remaining HDP stack to {{version}}">
-        <task xsi:type="execute">
-          <script>scripts/ru_set_all.py</script>
-          <function>actionexecute</function>
-        </task>
-      </execute-stage>
-    </group>
-
-    <group xsi:type="cluster" name="FINALIZE_PRE_CHECK" title="Finalize {{direction.text.proper}} Pre-Check">
-      <direction>UPGRADE</direction>
-      
-      <execute-stage title="Check Component Versions">
-        <task xsi:type="server_action" class="org.apache.ambari.server.serveraction.upgrades.ComponentVersionCheckAction" />
-      </execute-stage>
-    </group>
-
-    <group xsi:type="cluster" name="POST_CLUSTER" title="Finalize {{direction.text.proper}}">
-      <skippable>true</skippable>
-      <supports-auto-skip-failure>false</supports-auto-skip-failure>
-      
-      <execute-stage title="Confirm Finalize">
-        <direction>UPGRADE</direction>
-        <task xsi:type="manual">
-          <message>Please confirm you are ready to finalize.</message>
-        </task>
-      </execute-stage>
-
-      <execute-stage service="HDFS" component="NAMENODE" title="Execute HDFS Finalize">
-        <task xsi:type="execute" hosts="master">
-          <script>scripts/namenode.py</script>
-          <function>finalize_rolling_upgrade</function>
-        </task>
-      </execute-stage>
-      
-      <execute-stage title="Save Cluster State" service="" component="">
-        <task xsi:type="server_action" class="org.apache.ambari.server.serveraction.upgrades.FinalizeUpgradeAction">
-        </task>
-      </execute-stage>
-    </group>
-  </order>
-
-  <processing>
-    <service name="ZOOKEEPER">
-      <component name="ZOOKEEPER_SERVER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-
-      <component name="ZOOKEEPER_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="RANGER">
-      <component name="RANGER_ADMIN">
-        <pre-upgrade>
-          <task xsi:type="execute" hosts="all">
-            <summary>Stop Ranger Admin</summary>
-            <script>scripts/ranger_admin.py</script>
-            <function>stop</function>
-          </task>
-
-          <task xsi:type="execute" hosts="all">
-            <script>scripts/ranger_admin.py</script>
-            <function>set_pre_start</function>
-          </task>
-
-          <task xsi:type="execute" hosts="any">
-            <summary>Upgrading Ranger database schema</summary>
-            <script>scripts/ranger_admin.py</script>
-            <function>setup_ranger_database</function>
-          </task>
-
-          <task xsi:type="configure_function" hosts="all" />
-
-          <task xsi:type="execute" hosts="any">
-            <summary>Applying Ranger java patches</summary>
-            <script>scripts/ranger_admin.py</script>
-            <function>setup_ranger_java_patches</function>
-          </task>
-        </pre-upgrade>
-
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-
-      </component>
-
-      <component name="RANGER_USERSYNC">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-
-      <component name="RANGER_TAGSYNC">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="RANGER_KMS">
-      <component name="RANGER_KMS_SERVER">
-        <pre-upgrade>
-          <task xsi:type="execute" hosts="any" sequential="true">
-            <summary>Upgrading Ranger KMS database schema</summary>
-            <script>scripts/kms_server.py</script>
-            <function>setup_ranger_kms_database</function>
-          </task>
-        </pre-upgrade>
-
-        <pre-downgrade>
-          <task xsi:type="execute" hosts="any" sequential="true">
-            <summary>Downgrading Ranger KMS database schema</summary>
-            <script>scripts/kms_server.py</script>
-            <function>setup_ranger_kms_database</function>
-          </task>
-        </pre-downgrade>
-
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="KAFKA">
-      <component name="KAFKA_BROKER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="HDFS">
-      <component name="NAMENODE">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-
-      <component name="DATANODE">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-
-      <component name="NFS_GATEWAY">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-
-      <component name="HDFS_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-
-      <component name="JOURNALNODE">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-
-      <component name="ZKFC">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-    
-    <service name="SLIDER">
-      <component name="SLIDER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="MAPREDUCE2">
-      <component name="HISTORYSERVER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-
-      <component name="MAPREDUCE2_CLIENT">
-        <pre-upgrade>
-          <task xsi:type="server_action" class="org.apache.ambari.server.serveraction.upgrades.FixLzoCodecPath">
-            <summary>Verifying LZO codec path for mapreduce</summary>
-          </task>
-        </pre-upgrade>
-
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="YARN">
-      <component name="APP_TIMELINE_SERVER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-
-      <component name="RESOURCEMANAGER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-
-      <component name="NODEMANAGER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-
-      <component name="YARN_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="HBASE">
-      <component name="HBASE_MASTER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-
-      <component name="HBASE_REGIONSERVER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-
-      <component name="HBASE_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-
-      <component name="PHOENIX_QUERY_SERVER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="TEZ">
-      <component name="TEZ_CLIENT">
-        <pre-upgrade>
-          <task xsi:type="server_action" class="org.apache.ambari.server.serveraction.upgrades.FixLzoCodecPath">
-            <summary>Verifying LZO codec path for Tez</summary>
-          </task>
-        </pre-upgrade>
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="PIG">
-      <component name="PIG">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="SQOOP">
-      <component name="SQOOP">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="MAHOUT">
-      <component name="MAHOUT">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="HIVE">
-      <component name="HIVE_METASTORE">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-
-      <component name="HIVE_SERVER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-
-      <component name="HIVE_SERVER_INTERACTIVE">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-
-      <component name="WEBHCAT_SERVER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-
-      <component name="HIVE_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-
-      <component name="HCAT">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="SPARK">
-      <component name="SPARK_JOBHISTORYSERVER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-      <component name="SPARK_THRIFTSERVER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-      <component name="LIVY_SERVER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-      <component name="SPARK_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="ZEPPELIN">
-      <component name="ZEPPELIN_MASTER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="OOZIE">
-      <component name="OOZIE_SERVER">
-        <pre-upgrade>
-          <task xsi:type="execute" hosts="all" sequential="true">
-            <summary>Shut down all Oozie servers</summary>
-            <script>scripts/oozie_server.py</script>
-            <function>stop</function>
-          </task>
-
-          <task xsi:type="server_action" class="org.apache.ambari.server.serveraction.upgrades.OozieConfigCalculation">
-            <summary>Adjusting Oozie properties</summary>
-          </task>
-
-          <!-- It is extremely important that both of these tasks run on the exact same host. Hence, pick the first alphabetically. -->
-          <task xsi:type="configure_function" hosts="first" />
-
-          <task xsi:type="execute" hosts="first" sequential="true">
-            <summary>Upgrading the Oozie database and creating a new sharelib</summary>
-            <script>scripts/oozie_server_upgrade.py</script>
-            <function>upgrade_oozie_database_and_sharelib</function>
-          </task>
-        </pre-upgrade>
-
-        <pre-downgrade>
-          <task xsi:type="execute" hosts="all" sequential="true">
-            <summary>Shut down all Oozie servers</summary>
-            <script>scripts/oozie_server.py</script>
-            <function>stop</function>
-          </task>
-
-          <task xsi:type="execute" hosts="any" sequential="true">
-            <summary>Create a new sharelib</summary>
-            <script>scripts/oozie_server_upgrade.py</script>
-            <function>create_sharelib</function>
-          </task>
-        </pre-downgrade>
-
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-
-      <component name="OOZIE_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="FALCON">
-      <component name="FALCON_SERVER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-      <component name="FALCON_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="KNOX">
-      <component name="KNOX_GATEWAY">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="STORM">
-      <component name="NIMBUS">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-      <component name="SUPERVISOR">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-      <component name="STORM_UI_SERVER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-      <component name="DRPC_SERVER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="FLUME">
-      <component name="FLUME_HANDLER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="ACCUMULO">
-      <component name="ACCUMULO_MASTER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-      <component name="ACCUMULO_MONITOR">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-      <component name="ACCUMULO_GC">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-      <component name="ACCUMULO_TRACER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-      <component name="ACCUMULO_TSERVER">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-      <component name="ACCUMULO_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task" />
-        </upgrade>
-      </component>
-    </service>
-
-    <service name="ATLAS">
-      <component name="ATLAS_SERVER">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-      <component name="ATLAS_CLIENT">
-        <upgrade>
-          <task xsi:type="restart-task"/>
-        </upgrade>
-      </component>
-    </service>
-
-  </processing>
-</upgrade>