From fe7ccd8b89556cc6cc1f5ea7f58b5ac2aedb23ec Mon Sep 17 00:00:00 2001 From: Frank de Jong Date: Sat, 8 Jul 2017 09:43:40 +0200 Subject: Add validate_domain_name function --- .../parser/functions/validate_domain_name.rb | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 lib/puppet/parser/functions/validate_domain_name.rb (limited to 'lib/puppet/parser/functions/validate_domain_name.rb') diff --git a/lib/puppet/parser/functions/validate_domain_name.rb b/lib/puppet/parser/functions/validate_domain_name.rb new file mode 100644 index 0000000..c3fad78 --- /dev/null +++ b/lib/puppet/parser/functions/validate_domain_name.rb @@ -0,0 +1,39 @@ +module Puppet::Parser::Functions + newfunction(:validate_domain_name, :doc => <<-ENDHEREDOC + Validate that all values passed are syntactically correct domain names. + Fail compilation if any value fails this check. + + The following values will pass: + + $my_domain_name = 'server.domain.tld' + validate_domain_name($my_domain_name) + validate_domain_name('domain.tld', 'puppet.com', $my_domain_name) + + The following values will fail, causing compilation to abort: + + validate_domain_name(1) + validate_domain_name(true) + validate_domain_name('invalid domain') + validate_domain_name('-foo.example.com') + validate_domain_name('www.example.2com') + + ENDHEREDOC + ) do |args| + + rescuable_exceptions = [ArgumentError] + + if args.empty? + raise Puppet::ParseError, "validate_domain_name(): wrong number of arguments (#{args.length}; must be > 0)" + end + + args.each do |arg| + raise Puppet::ParseError, "#{arg.inspect} is not a string." unless arg.is_a?(String) + + begin + raise Puppet::ParseError, "#{arg.inspect} is not a syntactically correct domain name" unless function_is_domain_name([arg]) + rescue *rescuable_exceptions + raise Puppet::ParseError, "#{arg.inspect} is not a syntactically correct domain name" + end + end + end +end -- cgit v1.2.3