47 lines
1.1 KiB
Ruby
47 lines
1.1 KiB
Ruby
# netmask.rb -- find the netmask of the primary ipaddress
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# Copyright (C) 2007 David Schmitt <david@schmitt.edv-bus.at>
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# Copyright (C) 2007 Mark 'phips' Phillips
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# See LICENSE for the full license granted to you.
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# idea and originial source by Mark 'phips' Phillips
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def get_netmask
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netmask = nil;
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ipregex = %r{(\d{1,3}\.){3}\d{1,3}}
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ops = nil
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case Facter.kernel
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when 'Linux'
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ops = {
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:ifconfig => '/sbin/ifconfig',
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:regex => %r{\s+ inet\saddr: #{Facter.ipaddress} .*? Mask: (#{ipregex})}x,
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:munge => nil,
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}
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when 'SunOS'
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ops = {
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:ifconfig => '/usr/sbin/ifconfig -a',
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:regex => %r{\s+ inet\s+? #{Facter.ipaddress} \+? mask (\w{8})}x,
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:munge => Proc.new { |mask| mask.scan(/../).collect do |byte| byte.to_i(16) end.join('.') }
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}
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end
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%x{#{ops[:ifconfig]}}.split(/\n/).collect do |line|
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matches = line.match(ops[:regex])
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if !matches.nil?
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if ops[:munge].nil?
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netmask = matches[1]
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else
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netmask = ops[:munge].call(matches[1])
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end
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end
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end
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netmask
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end
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Facter.add("netmask") do
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confine :kernel => [ :sunos, :linux ]
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setcode do
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get_netmask
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end
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end
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