exclusion/exception in server.pp file

[puppetstan]

Hello

I have define in my server.pp file diferent zone and I defined my dns servers (resolv_servers). for my /etc/resolv.conf for this zone


#Zone 1
        if $::ipaddress =~ /^172.17.3./ {
        $ntp_heure = "ntp.domain.fr"
        $fusioninventory_proxy = "http://proxy.domain.fr:8080"
        $resolv_servers = [ '172.30.12.11', '172.30.12.2' ]
        $resolv_search = "domain.fr"
        $yumconf_proxy = "http://proxy.domain.fr:8080"
        $yumconf_exclude = "kernel*"
        include base::minimal
        }

The problem is that in this zone one server (172.17.3.4) that does not have the same dns. Is it possible to make an exclusion on this server and specify other addresses ips in this config file?

thank you in advance

[Peter Bukowinski]

One way to add an exclusion for a single value is to use a selector to assign a unique value for $resolv_servers based on ip address. Non-matching hosts get the default.

if $::ipaddress =~ /^172.17.3./ {
$ntp_heure = "ntp.domain.fr"
$fusioninventory_proxy = "http://proxy.domain.fr:8080"

$resolv_servers = $::ipaddress ? {
'172.17.3.4' => [ 'a.b.c.d', 'w.x.y.z' ],
default => [ '172.30.12.11', '172.30.12.2' ],

}
$resolv_search = "domain.fr"
$yumconf_proxy = "http://proxy.domain.fr:8080"
$yumconf_exclude = "kernel*"
include base::minimal
}

--
Peter Bukowinski

[José Luis Ledesma]

Hi,

  This kind of code is screaming for hiera!

But if you want to continue this way, just set another if
if $::ipaddress =~ /^172.17.3.4/ {
   Data here
} elsif  $::ipaddress =~ /^172.17.3./ {
    Another data here
}

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[puppetstan]

Hi

Thanks for your answer.

You say This kind of code is screaming, but what is your solution when you have a lot of server and the only solution is to locate with the IP address

your prefer :

node1
node2
...
node 200
...
??

regards

[José Luis Ledesma]

Facts + hiera is the short answer.

If different IP ranges means different zones or sites, just create a custom fact that returns the zone/site name. Setup the zone/site hierarchically in hiera and set the data there. Setup a higher level with the hostame in hiera and put the exceptions there.

Regards

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[puppetstan]

Thanks for your answer, can you have an example with two zones please?

regards