On Jul 9, 2013, at 8:36 PM, Mani Devarajan <manidevara...@gmail.com> wrote:
> Hello,
> We have close to 10 nodes running puppet agent, and currently all of them
> download same file from puppet master.
>
> Current definition:
> file { /etc/test.conf:
> mode => 440,
> owner => root,
> group => root,
> content => template('vem/test.conf.erb')
> }
>
> New definition:
> We want this file to be download host specific. so that unique file is
> downloaded for each host based on the host name.
> Is this doable. Appreciate any guidance with this problem.
>
> Thanks,
> Mani
Mani, this is where facts come into play. If your requirements per hostname are
fairly unique, you can have a different template for each hostname, using
something like this:
$test_template = "vem/test.conf-${hostname}.erb"
file { '/etc/test.conf':
ensure => file,
owner => 'root',
group => 'root',
mode => '0440',
content => template($test_template)
}
This would populate the /etc/test.conf file on a node named node1 with the
contents of, for example, the vem/test.conf-node1.erb template. If the
differences between each hostname's conf file are small, you should put your
logic within the existing test.conf.erb template:
# exact match example
<% if @hostname == ("node1") then -%>
option1 = <%= some_facter_fact %>
<% end -%>
# inverse match example
<% if @hostname != ("node1") then -%>
option1 = <%= another_facter_fact %>
<% end -%>
# this or that match
<% if @hostname == ("node3" or "node4") then -%>
option2 = <%= a_different_facter_fact %>
<% end -%>
You can get a list of all the facts puppet knows about by running 'facter
--puppet' on your nodes.
--
Peter Bukowinski
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