Re: conditionally signalling processes

[Mark . Burgess]

On 21 Nov, Alan Sparks wrote:
> Looking at the source I don't think this is possible... but I'll ask to
> make sure.
> 
> I'd like to write a rule that verifies only one copy of a daemon is
> running, and restarts the mess if (say) either zero or more than one
> copy is running.  Conceptually something stated like:
> 
> "foobar"      matches=1 signal=term restart "/bin/foobar"
> 
> But I see that cfengine will always send the signal to any match,
> unconditionally.
> 
> Is there a better way to handle this aside from isolating the restarts
> into a shellcommand and trying to set classes?
> 
> Thanks.
> -Alan
> 


In cfengine 1.6.0.b3 you can say:

processes:

"XXX" matches=<20  action=bymatch signal=kill

which will signal all XXX processes if there are more than 20.
See also the new filter possibilities. I'll be putting this out
within a few hours.

Mark

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