From fe7ccd8b89556cc6cc1f5ea7f58b5ac2aedb23ec Mon Sep 17 00:00:00 2001
From: Frank de Jong <frapex@xs4all.nl>
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')
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
--
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