Dude, I struggled with that for more than 6 months, and the position of the
Puppet people was, "you're doing it wrong". Since that didn't help my problem
I ended up doing it this way:
1) Create a new fact (see attached) that reports back to the master server on
what classes are defined on the client (during the last run!).
2) Create a new function (see attached) that will compute the correct set of
hostgroups from the class list
3) Create a new fact (see attached) that will determine if the client is a zone
server (e.g. global zone) or if it's a zone running on a server.
4) Use those to drive my Nagios configs.
Here's the relevant class fragment:
@@nagios_host {
$fqdn:
alias => $hostname,
address => $service_ipaddress,
max_check_attempts => 3,
contact_groups => "unix",
hostgroups => $nagios_hostgroup_list,
icon_image_alt => $operatingsystem,
icon_image => "$operatingsystem.png",
notifications_enabled => 1,
statusmap_image => "$operatingsystem.gd2",
tag => inline_template("<%=my_nagios_home.sub(' ','_')%>"), # Puppet
doesn't like tags with spaces?!?
notes_url => $cprt_globalzone ? {
global => "https://${hostname}-a.${my_domain}/";,
default => undef,
},
parents => $cprt_globalzone ? {
"" => undef,
nil => undef,
global => undef,
default => "${cprt_globalzone}.${my_domain}",
},
use => [ $productname ? {
"Sun Fire X4140" => "host-x4140-template",
default => "host-generic-template" },
"host-pnp-template"
],
}
On Mar 2, 2011, at 6:55 AM, Martijn Grendelman wrote:
> On 02-03-11 14:49, Brian Gallew wrote:
>> Sadly, signs point to "no".
>
> Too bad. But since I run a patched Puppetmaster anyway, I can do what I
> want :-)
>
> Unfortunately, it doesn't solve my problem.
>
> I am trying to do the same thing as Gabriel Filion in this post:
> http://groups.google.com/group/puppet-users/browse_thread/thread/276e6e694520224d
>
> So, I have a nagios-target class, that defines a virtual resource:
>
> @@nagios_host { "$hostname":
> use => "generic-host",
> address => $fqdn,
> alias => $hostname,
> ensure => present,
> hostgroups => [],
> }
>
> and I would like to do something along the lines of this: in a different
> class (not a subclass of nagios-target), for example in the class that
> configures the MTA:
>
> Nagios_host [$hostname] {
> hostgroups +> "mail-satellite-servers",
> }
>
> which results in this error:
>
> "Only subclasses can override parameters at ..."
>
> which sounds logical, but...
>
> Is there any way to do what I want? I can't really think of anything,
> since (variable) scoping will always be in my way, as far as I can see...
>
> Best regards,
> Martijn.
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>>
>> On Wed, Mar 2, 2011 at 5:15 AM, Martijn Grendelman <mart...@iphion.nl
>> <mailto:mart...@iphion.nl>> wrote:
>>
>> Hi,
>>
>> A question for the devs. Will this:
>>
>> http://projects.puppetlabs.com/issues/4020
>>
>> make it into a release any time soon?
>>
>> Best regards,
>> Martijn.
>>
>> --
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>>
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Facter.add(:cprt_classes) do
setcode do
open('/var/lib/puppet/state/classes.txt').read().split().join(',') rescue ""
end
end
module Puppet::Parser::Functions
newfunction(:cprt_calculatehostgroups, :type => :rvalue) do |args|
classlist = lookupvar('cprt_classes').split(',') rescue []
pairs = [['role::service', 'service'],
['role::production', 'production'],
['role::development', 'development'],
['role::auction_server', 'auction'],
['role::scheduler_server', 'scheduler'],
['role::bind_server', 'bind'],
['role::build_server', 'build'],
['role::jump_start', 'jumpstart'],
['role::ldap_server', 'ldap'],
['role::network_registration', 'web_static'],
['role::mta', 'mta'],
['role::nagios', 'nagios'],
['role::oracle_server', 'oracle'],
['role::puppetmaster', 'puppet'],
['role::syslog_aggregator', 'syslog'],
['role::web_application_server', 'web_application'],
['role::web_services', 'web_static'],
['role::zone_server', 'zone_server'],
['role::load_gen', 'load_generation_and_testing'],
]
hostgroups = {'default_hostgroup' => nil}
hostgroups[lookupvar('hardwareisa')] = nil
hostgroups[lookupvar('productname')] = nil
os = lookupvar('operatingsystem') rescue nil
if os != nil
hostgroups[os] = nil
hostgroups["#{os}-#{lookupvar('operatingsystemrelease') rescue ''}"] = nil
hostgroups["#{os}-#{lookupvar('productname') rescue ''}"] = nil
hostgroups["#{os}-#{lookupvar('virtual') rescue ''}"] = nil
if hostgroups.has_key?("#{os}-")
hostgroups.delete("#{os}-")
end
end
hostgroups[lookupvar('virtual')] = nil
hostgroups[lookupvar('my_nagios_home')] = nil
pairs.each do |key, value|
if classlist.index(key)
hostgroups[value] = nil
end
end
if hostgroups.has_key?("")
hostgroups.delete("")
end
if hostgroups.has_key?(nil)
hostgroups.delete(nil)
end
hostgroups.keys.sort.join(',')
end
end
Facter.add(:cprt_globalzone) do
confine :kernel => :SunOS
setcode do
zone=`/sbin/zonename`.strip()
if zone != "global"
zone = open('/etc/globalzone').read().strip().split('.')[0] rescue "unknown"
end
zone
end
end
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