Puppet users - Jun 2014 - Controlling the order of stop/starts on refresh between dependent services.

Hi,

Using Puppet v2.7.25.

I have two services that have a refresh dependency between them, namely: 
Service['foo'] ~> Service['bar']

This equates to: stop/start 'foo' then stop/start 'bar',
whenever 'foo' is
refreshed.

Ideally I'd like the underlying series of operations to be: stop
'bar',
stop/start 'foo', start 'bar'. 

How can I do this without resorting to using execs?

If bar were to be running whilst foo was unavailable (even if for a moment) 
bad things would happen. To make matters worse (or more interesting) each 
service is managed by a separate module.   

Thanks,
Paul

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