28 lines
571 B
Ruby
28 lines
571 B
Ruby
#
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# is_ipv4_address.rb
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#
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module Puppet::Parser::Functions
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newfunction(:is_ipv4_address, :type => :rvalue, :doc => <<-EOS
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Returns true if the string passed to this function is a valid IPv4 address.
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EOS
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) do |arguments|
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require 'ipaddr'
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if (arguments.size != 1) then
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raise(Puppet::ParseError, "is_ipv4_address(): Wrong number of arguments "+
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"given #{arguments.size} for 1")
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end
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begin
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ip = IPAddr.new(arguments[0])
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rescue ArgumentError
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return false
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end
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return ip.ipv4?
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end
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end
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# vim: set ts=2 sw=2 et :
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