Forum: Cfengine Help
Subject: Re: Cfengine Help: rather complex scenario (pkg install+configure - if
necessary)
Author: ticketo
Link to topic: https://cfengine.com/forum/read.php?3,21559,21597#msg-21597
Bundle 3 - configure postfix/exim/sendmail IF present
I do not recommend automatically determining whether or not promises like this
should be kept. This is something I would set in a classes bundle.
classes:
"postfix_mtas" or => { "hosta", "hostb", "hostc", "hostd" };
Under normal circumstances I would agree with this. However due to package
dependencies a MTA is installed on Ubuntu 10.04 when installing "mpt-status"
(mpt-status requires mailx, mailx is a virtual package provided by bsd-mailx,
bsd-mailx requires mail-transfer-agent, postfix provides mail-transfer-agent).
(These are hard dependencies, not just recommendations or suggestions.)
I just want to properly read raid controller settings on my hardware servers,
but due to package policy I'm forced to install a full blown mta. If I'm forced
to install a MTA, then at least I want to make sure it doesn't do anything bad
- like providing an open relay.
So in effect the simple list of hosta ... hostd would result in listing every
single server containing a LSI logic raid controller.
(Another way out of this mess would be tweak the package selection algorithm
and prefer "heirloom-mailx" instead of "bsd-mailx", which only "suggests" a
MTA, but doesn't actually require it. I'm probably going to take this route,
but I may not always be this lucky.)
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