On Oct 5, 2011, at 7:38 PM, CZACHOR, KRISTOPHER wrote:
> Hi all,
>
> I’m trying to wrap my brain around this one and could use a little
> help/guidance. I have need to deploy software based on the network a system
> is in.
>
> Has anyone had need or been able to do the following?:
>
> (Pseudo code)
> If 123.123.123.123 is in 123.123.123.0/24 or 234.234.234.234.0/24
> (list/array of networks it could belong to) then ensure package is present.
> -or-
> If 123.123.123.123 is in 123.123.123.0/255.255.255.0 then ensure package is
> present.
>
> Yes I suppose a case statement would work better.
>
> Now I know from Facter I have the following _easily_ at my disposal:
> ipaddress and netmask. As easy as it would be to use the network_eth0 to get
> what network the host is in I’m a little hesitant to go down that route since
> I can’t rely on the eth0 part network_eth0 being consistent. Fedora 15, for
> example, is using a new naming convention for their Ethernet interfaces. Mine
> is em1. I suppose I could figure out the eth0/em1 part by using the ipaddress
> and interfaces fact and use it to figure out the network_eth0/em1 and that
> would give me the network address. But this just seems like really too much
> freakin’ work.
>
> Anyone have anything simple and elegant? Is there some glaring feature of
> puppet/facter that I’ve overlooked that says …”Duh!”
>
> As always any help in advance is appreciated,
----
create a custom fact...
Facter.add("datacenter") do
setcode do
datacenter = "unknown"
# Get current ip address from Facter's own database
ipaddr = Facter.value(:ipaddress)
# A data center
if ipaddr.match("^10\.3\.")
datacenter = "A"
# C data center
elsif ipaddr.match("^10\.1\.")
datacenter = "C"
# D data center
elsif ipaddr.match("^10\.0\.")
datacenter = "D"
# E data center
elsif ipaddr.match("^10\.2\.")
datacenter = "E"
# F data center
elsif ipaddr.match("^10\.10\.")
datacenter = "F"
end
datacenter
end
end
deploy based on custom fact...
case $datacenter {
default: {
$ldap_servers = "ldap://ldap2.example.com ldap://ldap1.example.com";
}
A: {
$ldap_servers = "ldap://ldap1.example.com ldap://ldap2.example.com";
}
B: {
$ldap_servers = "ldap://ldap1.example.com ldap://ldap2.example.com";
}
Craig
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