I can't help with your Dashboard problems, but can suggest an
alternative to file fragments that you might find easier to work with. I
would use a Defined Type wrapped around Augeas where the $namevar of the
Defined Type is the name of the systctl.conf key. This way if you tried
to turn ipv6 on and off at the same time you'd get a Puppet resource
conflict.
Something like this:
define syssctl_line($value) {
$sysconfig_file = "/etc/sysctl.conf"
augeas { "set ${name} in ${sysconfig_file}":
context => "/files${sysconfig_file}",
incl => "$sysconfig_file",
lens => "shellvars.lns",
changes => [ "set ${name} ${value}"]
}
}
And used like this:
class foo {
sysctl_line { "net.ipv4.ip_forward": value => "0" }
sysctl_line { "kernel.sysrq": value => "0" }
#And this would cause an error on a node...
sysctl_line { "net.ipv4.ip_forward": value => "1" }
}
On 19/03/12 19:12, Scott Merrill wrote:
We'd like to control, among other files, /etc/sysctl.conf with Puppet.
We have a baseline for this file on all our servers, but frequently
some of our applications require additional tweaks. These tweaks are
generally more than a single line.
I know that we could create a class in our module repository with the
necessary additions, then define that class inside Dashboard and apply
it to hosts as needed. That seems a little inflexible, as we'd need to
create a class for each app, and define inside that class the changes
that we need.
I'd prefer a more extensible solution that abstracts this a bit. A
"sysctl-additions" class, for example, that relies upon a
Dashboard-defined variable that contains the additions to place into
the file. But how can I (easily?) add multiple lines to the Dashboard
variable? Or do I have to create multiple key/value pairs for each
line I wish to add?
When using Puppet Dashboard, how does one easily add multiple lines to
a Puppet-controlled file? Or should we not be using Dashboard for
that?
--
Luke Bigum
Information Systems
Ph: +44 (0) 20 3192 2520
luke.bi...@lmax.com | http://www.lmax.com
LMAX, Yellow Building, 1A Nicholas Road, London W11 4AN
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