puppetlabs-stdlib/lib/puppet/parser/functions/is_mac_address.rb
Igor Galić 687600c30c simplify mac address regex
let the computer do the counting and repetition and case
2015-05-29 20:13:21 +02:00

27 lines
566 B
Ruby

#
# is_mac_address.rb
#
module Puppet::Parser::Functions
newfunction(:is_mac_address, :type => :rvalue, :doc => <<-EOS
Returns true if the string passed to this function is a valid mac address.
EOS
) do |arguments|
if (arguments.size != 1) then
raise(Puppet::ParseError, "is_mac_address(): Wrong number of arguments "+
"given #{arguments.size} for 1")
end
mac = arguments[0]
if /^[a-f0-9]{1,2}(:[a-f0-9]{1,2}){5}$/i.match(mac) then
return true
else
return false
end
end
end
# vim: set ts=2 sw=2 et :