On Nov 12, 2009, at 11:58 AM, Jason Lavoie wrote:
>
> On 10/29, Peter Meier wrote:
>>> I'm trying to have a exec dependency on a service object that
>>> would keep
>>> it from being restarted if the exec fails. Unfortunately, the
>>> service
>>> gets refreshed regardless whenever the exec is run, failure or not.
> [...]
>>
>> don't set the command to refreshonly. this will trigger the exec
>> only if
>> it get triggered by someone else otherwise the resource counts as
>> successful.
>
> That doesn't seem to help. Here's a simpler test manifest:
>
> service { dep:
> hasstatus => true, status => "/bin/true status",
> start => "/bin/true start", stop => "/bin/true stop",
> subscribe => File["/tmp/dep"],
> require => Exec["check-dep"],
> }
>
> exec { "check-dep":
> command => "exit 1",
> path => "/bin",
> subscribe => File["/tmp/dep"],
> }
>
> file { "/tmp/dep":
> content => "foo",
> }
>
> Shouldn't the "Skipping because of failed dependencies" in the output
> below be absolute? Why is puppet still refreshing the Service[dep]
> (in the very next log line)? Am I misunderstanding how the
> dependencies
> should work?
The short answer (as I put on the ticket) is that this is behaving as
designed, because otherwise you're running in an inconsistent state.
The easy fix here is to not have the service depend on the file, but
rather only on the exec - the exec subscribes to the file, the service
subscribes to the exec. If the exec fails, nothing happens, if it
succeeds you're all good.
--
Life isn't fair. It's just fairer than death, that's all.
-- William Goldman
---------------------------------------------------------------------
Luke Kanies | http://reductivelabs.com | http://madstop.com
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