AMBARI-18969. Add support to provide additional slider specific parameters to llap (smohanty)

ambari-server/src/main/resources/common-services/HIVE/0.12.0.2.0/package/scripts/hive_server_interactive.py

@@ -275,9 +275,9 @@ class HiveServerInteractiveDefault(HiveServerInteractive):
       unique_name = "llap-slider%s" % datetime.utcnow().strftime('%Y-%m-%d_%H-%M-%S')
 
       cmd = format("{stack_root}/current/hive-server2-hive2/bin/hive --service llap --instances {params.num_llap_nodes}"
-                   " --slider-am-container-mb {params.slider_am_container_mb} --size {params.llap_daemon_container_size}m "
+                   " --slider-am-container-mb {params.slider_am_container_mb} --size {params.llap_daemon_container_size}m"
                    " --cache {params.hive_llap_io_mem_size}m --xmx {params.llap_heap_size}m --loglevel {params.llap_log_level}"
-                   " --output {LLAP_PACKAGE_CREATION_PATH}/{unique_name}")
+                   " {params.llap_extra_slider_opts} --output {LLAP_PACKAGE_CREATION_PATH}/{unique_name}")
       if params.security_enabled:
         llap_keytab_splits = params.hive_llap_keytab_file.split("/")
         Logger.debug("llap_keytab_splits : {0}".format(llap_keytab_splits))

ambari-server/src/main/resources/common-services/HIVE/0.12.0.2.0/package/scripts/params_linux.py

@@ -606,6 +606,7 @@ if has_hive_interactive:
   hive_llap_io_mem_size = config['configurations']['hive-interactive-site']['hive.llap.io.memory.size']
   llap_heap_size = config['configurations']['hive-interactive-env']['llap_heap_size']
   llap_app_name = config['configurations']['hive-interactive-env']['llap_app_name']
+  llap_extra_slider_opts = default('/configurations/hive-interactive-env/llap_extra_slider_opts', "")
   hive_llap_principal = None
   if security_enabled:
     hive_llap_keytab_file = config['configurations']['hive-interactive-site']['hive.llap.zk.sm.keytab.file']

ambari-server/src/main/resources/stacks/HDP/2.5/services/HIVE/configuration/hive-interactive-env.xml

@@ -112,6 +112,16 @@
     </depends-on>
     <on-ambari-upgrade add="true"/>
   </property>
+  <property>
+    <name>llap_extra_slider_opts</name>
+    <value></value>
+    <description>Additional slider specific opts for llap such as port range</description>
+    <display-name>Additional slider specific opts for llap</display-name>
+    <value-attributes>
+      <empty-value-valid>true</empty-value-valid>
+    </value-attributes>
+    <on-ambari-upgrade add="false"/>
+  </property>
   <property>
     <name>num_retries_for_checking_llap_status</name>
     <value>10</value>