Nagios charm

[Maarten Ectors]

Just so everybody is clear. The subordinate charm hides all the link which is exactly what it should do. However in the case of Nagios if you only create a relationship from the nrpe subordinate charm to another charm then Nagios does not monitor the charm. Nagios needs in addition a direct relationship from the Nagios charm to the charm to monitor. My question is: can the Nagios charm do without this extra relationship and just detect the relationships the nrpe subordinate charm has and start monitoring all these charms...

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> On 19 Nov 2013, at 01:20, David Cheney <david.cheney at canonical.com> wrote:
> 
> On Tue, Nov 19, 2013 at 12:18 PM, Andrew Wilkins
> <andrew.wilkins at canonical.com> wrote:
>> On Mon, Nov 18, 2013 at 11:06 PM, Maarten Ectors
>> <maarten.ectors at canonical.com> wrote:
>>> 
>>> Is there any way to make the Nagios charm work with NRPE in such a way
>>> that no relationship needs to be made between Nagios and other charms. NRPE
>>> is a subordinate charm hence the Nagios charm should be able to pick up its
>>> relations and add the charms NRPE already knows about to the list of charms
>>> to monitor.
>> 
>> 
>> What if you want to have multiple Nagios services, each monitoring different
>> parts of the infrastructure? Without an explicit relationship, you're going
>> to lose that flexibility, right?
>> 
>>> Why is this important? Try monitoring 150 services without using a
>>> subordinate charm. The Juju GUI will be full of relationships to Nagios.
>> 
>> 
>> That just sounds like a presentation issue to me. It might be useful to have
>> some concept of layers in the GUI, allowing you to, for example, hide the
>> monitoring layer.
> 
> I'm not quite sure what the issue is here. The NRPE subordinate does
> not show it's relationship lines by default, for this reason.
> 
>> 
>>> thanks,
>>> Maarten
>>> 
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