Github user justinleet commented on a diff in the pull request:
https://github.com/apache/metron/pull/673#discussion_r129849135
--- Diff: metron-deployment/packaging/ambari/README.md ---
@@ -0,0 +1,85 @@
+# Ambari Management Pack Development
+Typically, Ambari Management Pack development will be done in the Vagrant
environments. These instructions are specific to Vagrant, but can be adapted
for other environemnts (e.g. make sure to be on the correct nodes for server vs
agent files)
+
+
+# Adding a new property
+1. Add the property to the appropriate `*-env.xml` file found in
`METRON.CURRENT/configuration`.
+ ```
+ <property>
+ <name>new_property</name>
+ <description>New Property description</description>
+ <value>Default Value</value>
+ <display-name>New Property Pretty Name</display-name>
+ </property>
+ ```
+
+2. Reference the property in
`METRON.CURRENT/package/scriptes/params/params_linux.py`, unless it will be
used in Ambari's status command. It will be stored in a variable. The name
doesn't have to match, but it's preferred that it does.
+ ```
+ new_property = config['configurations']['metron-env']['new_property']
--- End diff --
I'll go ahead and add in a note calling it out.
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