I need to create a custom fact based on a parametric information (I need to
get the IP of another machine knowing the hostname, the machine name could
be different for different nodes so I need it parameteric and I recover the
machine hostname from a hiera, but for the purpose of the question it could
also be a data in the module definition).
I'm installing a cluster and need to get the master IP and if I can set the
hostname as a fixed known information the IP will be variable since I'm
installing it in a cloud environment
The custom facter code is:
# master_ip.rb:
#
require 'facter'
if FileTest.exists?("/usr/bin/dig")
cmd = sprintf('/usr/bin/dig +short HERE_GOES_THE PARAMETRIC_HOSTNAME')
result = `#{cmd}`
Facter.add("master_ip") do
setcode { result }
end
end
Any Idea on how to refer to a data present in the module like
$master_hostname or a hiera hash like $master_info['hostname']
Thanks
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