On Jul 9, 2010, at 7:45 PM, altimon wrote:
> How I should form onlyif condition with match to make it working:
> now I have either it is not working at all or just accumulating
> additional lines.
I would avoid using a combination of “last()” and “onlyif” whenever possible.
See the recent discussions on managing `/etc/services` and `/etc/sudoers` with
Augeas to see what I mean.
I can’t test `ntp.conf` (don’t seem to have the lens for it), but just guessing
something like this will do what you want reliably without having to craft a
messy “onlyif”:
augeas{"/etc/ntp.conf":
context => "/files/etc/ntp.conf",
changes => [
"set server[server = 'ntp1.example.com'] ntp1.example.com",
"set server[server = 'ntp2.example.com'] ntp2.example.com",
"set server[server = 'ntp3.example.com'] ntp3.example.com",
],
}
It looks weird, but I’ve done similar things and been much happier with the
outcome. Basically, on the first run, there won’t be a path that matches
“server = 'ntp1.example.com’” so Augeas will create it and set the value. On
subsequent runs, it finds something at that path, sees that it’s already set to
the desired value, and does nothing. The syntax above might not work exactly as
is, but hopefully you get the idea.
--
Rob McBroom
<http://www.skurfer.com/>
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