fuel-plugin-dynatrace/deployment_scripts/puppet/modules/puppetlabs-stdlib/lib/puppet/parser/functions/is_ip_address.rb

33 lines
630 B
Ruby

#
# is_ip_address.rb
#
module Puppet::Parser::Functions
newfunction(:is_ip_address, :type => :rvalue, :doc => <<-EOS
Returns true if the string passed to this function is a valid IP address.
EOS
) do |arguments|
require 'ipaddr'
if (arguments.size != 1) then
raise(Puppet::ParseError, "is_ip_address(): Wrong number of arguments "+
"given #{arguments.size} for 1")
end
begin
ip = IPAddr.new(arguments[0])
rescue ArgumentError
return false
end
if ip.ipv4? or ip.ipv6? then
return true
else
return false
end
end
end
# vim: set ts=2 sw=2 et :