Hi Forrie,
With regards to your iteration question, you would need to use a defined
type, something like this (untested):
define nfs_mount ( $server, $prefix, $state = "mounted" ) {
$mount_point = "${prefix}/${name}"
#If the state is "unmounted" the mount point 'File' is removed
file { $mount_point:
ensure => $state ? {
"unmounted" => absent,
"absent" => absent,
default => present,
}
}
mount { $mount_point:
ensure => $state,
device => "{$server}:${mount_point}",
}
}
nfs_mount { $production: server => $server, prefix => $prefix}
See the documentation for the Mount type in Puppet and it's ensure
parameter for possible values for $state in the define above - it's
possible to have entries in /etc/fstab but not actually mounted, which
should satisfy your two stage cleanup, or you can just set $state to
'absent' straight away and clean up the both NFS mount and mount point.
This means you need to maintain two arrays: one of active mount points
and one of decomissioned mounts, however you probably don't need to keep
the decomissioned mounts around for ever, once every server has cleaned
themselves up they can be removed from the manifest.
http://docs.puppetlabs.com/references/latest/type.html#mount
Hope that helps,
-Luke
On 24/09/12 23:43, Forrie wrote:
I have many systems that require NFS mounts for production. Rather
than have one entry of file{} and mount{} per NFS import, in a *.pp
file, I'd rather set up and iterate over an array. Looking at the
docs, I'm not quite sure how to do this properly. We have three
groups for which I would need this (production, development, test)
that each have their own NFS mounts.
here's what I would use:
$server = "server.name.com"
$prefix = "/some/nfs/root"
# array
production = [
"dir1",
"dir2",
"dir3",
"dir4",
] # etc etc
Then issue a command to iterate and manage those NFS mounts.
Since these change from time-to-time, and require some pruning... I
will be left with "unmanaged" resources (ie: directory mount points)
scattered around that I will need to clean up. I read through some
tickets for feature requests and got lost in where this is going --
however, to keep the place neat and clean, I'd like to unmanage the
mount points and the fstab entries after. The idea of manually doing
this from system to system isn't good.
I'm still new-ish to puppet, so any pointers would be appreciated.
Thanks.
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Information Systems
Ph: +44 (0) 20 3192 2520
[email protected] | http://www.lmax.com
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