Possible to add RRD VRULE?

[j053ph4]

j053ph4 [http://community.zenoss.org/people/j053ph4] created the discussion

"Possible to add RRD VRULE?"

To view the discussion, visit: http://community.zenoss.org/message/69929#69929

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I saw where this is being done elsewhere, and think it could be a useful feature:

Adding VRULE graph points to a given device/component RRD graph to indicate when events occured.   This would add some context to RRD graphs (i.e., behavior before and after a event).  I'm thinking that the VRULE color could depend on the event severity, and could perhaps be controlled by an event command script. 

It looks like Zenoss has built-in support, for adding VRULEs but that they would be done in the typical fashion (by modifying the template), but can anyone think of a way to do this without effectively making all templates locally bound?  Is there a way do do this within the "DMD/Zope" framework?

Alternately, I'm thinking that another way to acheive this would be to modify the RRD "graph command" property somehow to add the VRULEs...

Any suggestions?

Thanks,
Joseph
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[dpetzel]

dpetzel [http://community.zenoss.org/people/dpetzel] created the discussion

"Re: Possible to add RRD VRULE?"

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I'm not aware of anyway to accomplish this, but its something I'd like to see as well.

Its tough to visualize how it could work without hacking the templates...
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[Ryan Matte]

Ryan Matte [http://community.zenoss.org/people/rmatte] created the discussion

"Re: Possible to add RRD VRULE?"

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The problem that I see with this is if you had a flood of events it would make that portion of graph data basically unreadable, unless the vrule were very translucent.
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[j053ph4]

j053ph4 [http://community.zenoss.org/people/j053ph4] created the discussion

"Re: Possible to add RRD VRULE?"

To view the discussion, visit: http://community.zenoss.org/message/70086#70086

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I guess that's possible, but that would probably be a border case.  I was thinking, though, that events related to a component would draw only on graphs related to that component, while events for the device could be drawn on the "Device" template graphs.
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