AMBARI-10662. RU: Add manual step with message for skipped services (dlysnichenko)

ambari-server/src/main/resources/stacks/HDP/2.2/upgrades/upgrade-2.2.xml

@@ -169,6 +169,16 @@
       </service>
     </group>
 
+    <group xsi:type="cluster" name="PRE_CLIENTS" title="Confirm skipped services">
+      <skippable>true</skippable>
+      <execute-stage title="Confirm skipped services">
+        <direction>UPGRADE</direction>
+        <task xsi:type="manual">
+          <message>Please confirm skipped services.</message>
+        </task>
+      </execute-stage>
+    </group>
+
     <group name="CLIENTS" title="Client Components">
       <service-check>false</service-check>
       <service name="ZOOKEEPER">

ambari-server/src/main/resources/stacks/HDP/2.2/upgrades/upgrade-2.3.xml

@@ -169,6 +169,16 @@
       </service>
     </group>
 
+    <group xsi:type="cluster" name="PRE_CLIENTS" title="Confirm skipped services">
+      <skippable>true</skippable>
+      <execute-stage title="Confirm skipped services">
+        <direction>UPGRADE</direction>
+        <task xsi:type="manual">
+          <message>Please confirm skipped services.</message>
+        </task>
+      </execute-stage>
+    </group>
+
     <group name="CLIENTS" title="Client Components">
       <service-check>false</service-check>
       <service name="ZOOKEEPER">

ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/upgrade-2.3.xml

@@ -169,6 +169,16 @@
       </service>
     </group>
 
+    <group xsi:type="cluster" name="PRE_CLIENTS" title="Confirm skipped services">
+      <skippable>true</skippable>
+      <execute-stage title="Confirm skipped services">
+        <direction>UPGRADE</direction>
+        <task xsi:type="manual">
+          <message>Please confirm skipped services.</message>
+        </task>
+      </execute-stage>
+    </group>
+
     <group name="CLIENTS" title="Client Components">
       <service-check>false</service-check>
       <service name="ZOOKEEPER">