diff options
Diffstat (limited to 'code/environments/production/modules/stdlib/lib/puppet/parser/functions/is_mac_address.rb')
-rw-r--r-- | code/environments/production/modules/stdlib/lib/puppet/parser/functions/is_mac_address.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/code/environments/production/modules/stdlib/lib/puppet/parser/functions/is_mac_address.rb b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/is_mac_address.rb new file mode 100644 index 0000000..83a5ba2 --- /dev/null +++ b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/is_mac_address.rb @@ -0,0 +1,21 @@ +# +# is_mac_address.rb +# +module Puppet::Parser::Functions + newfunction(:is_mac_address, :type => :rvalue, :doc => <<-DOC + Returns true if the string passed to this function is a valid mac address. + DOC + ) do |arguments| + + if arguments.size != 1 + raise(Puppet::ParseError, "is_mac_address(): Wrong number of arguments given #{arguments.size} for 1") + end + + mac = arguments[0] + + return true if %r{^[a-f0-9]{1,2}(:[a-f0-9]{1,2}){5}$}i =~ mac + return false + end +end + +# vim: set ts=2 sw=2 et : |