Typically, alert definitions are modified during Ambari Upgrade as opposed to RU/EU since alert definitions are for the most part agnostic to the individual versions inside the stack. Can you provide an example of an alert that needs to change during a stack upgrade?
Thanks, Alejandro On 2/23/16, 10:13 AM, "Di Li" <[email protected]> wrote: >Hello folks, > >Do RU and EU handle updating alert definitions stored in the Ambari >server database? > >Based on what I tested, alert definitions, especially the paths to >alert_***.py Python scripts are not updated by neither RU and EU. meaning >if I changed the path to the alert_***.py scripts in a new release, the >alert definitions are broken and certain components would show with a >UNKNOWN alert state after I run RU/EU. > > >P.S > I know that, post upgrade, I can manually update the alert >definitions via REST APIs. > >Thanks. > >
