AMBARI-24622. Allow skipping package operations for LZO on sysprepped hosts (#2374)

ambari-common/src/main/python/resource_management/libraries/functions/lzo_utils.py

@@ -74,6 +74,13 @@ def should_install_lzo():
 
   return True
 
+def skip_package_operations():
+  """
+  Return true if LZO packages are assumed to be pre-installed
+  Needs to be separate from should_install_lzo, as that one is used during tarball creation, too
+  """
+  return default("/ambariLevelParams/host_sys_prepped", False) and default("/configurations/cluster-env/sysprep_skip_lzo_package_operations", False)
+
 def install_lzo_if_needed():
   """
   Install lzo package if {#should_install_lzo} is true
@@ -81,6 +88,10 @@ def install_lzo_if_needed():
   if not should_install_lzo():
     return
 
+  if skip_package_operations():
+    Logger.info("Skipping LZO package installation as host is sys prepped")
+    return
+
   # If user has just accepted GPL license. GPL repository can not yet be present.
   Script.repository_util.create_repo_files()
 

ambari-server/src/main/resources/stacks/HDP/2.0.6/configuration/cluster-env.xml

@@ -147,6 +147,17 @@
     </value-attributes>
     <on-ambari-upgrade add="true"/>
   </property>
+  <property>
+    <name>sysprep_skip_lzo_package_operations</name>
+    <display-name>Whether LZO packages are also pre-installed on sysprepped cluster</display-name>
+    <value>false</value>
+    <description>In sysprepped environments true value indicates that LZO packages are pre-installed and should not be managed by Ambari</description>
+    <value-attributes>
+      <overridable>true</overridable>
+      <type>boolean</type>
+    </value-attributes>
+    <on-ambari-upgrade add="true"/>
+  </property>
   <property>
     <name>sysprep_skip_setup_jce</name>
     <display-name>Whether to skip setting up the unlimited key JCE policy on sysprepped cluster</display-name>