summaryrefslogtreecommitdiff
path: root/lib/puppet/parser/functions/parseyaml.rb
diff options
context:
space:
mode:
Diffstat (limited to 'lib/puppet/parser/functions/parseyaml.rb')
-rw-r--r--lib/puppet/parser/functions/parseyaml.rb20
1 files changed, 11 insertions, 9 deletions
diff --git a/lib/puppet/parser/functions/parseyaml.rb b/lib/puppet/parser/functions/parseyaml.rb
index 53d54fa..d38b3ef 100644
--- a/lib/puppet/parser/functions/parseyaml.rb
+++ b/lib/puppet/parser/functions/parseyaml.rb
@@ -3,20 +3,22 @@
#
module Puppet::Parser::Functions
- newfunction(:parseyaml, :type => :rvalue, :doc => <<-EOS
+ newfunction(:parseyaml, :type => :rvalue, :arity => -2, :doc => <<-EOS
This function accepts YAML as a string and converts it into the correct
Puppet structure.
- EOS
- ) do |arguments|
-
- if (arguments.size != 1) then
- raise(Puppet::ParseError, "parseyaml(): Wrong number of arguments "+
- "given #{arguments.size} for 1")
- end
+The optional second argument can be used to pass a default value that will
+be returned if the parsing of YAML string have failed.
+ EOS
+ ) do |arguments|
+ raise ArgumentError, 'Wrong number of arguments. 1 or 2 arguments should be provided.' unless arguments.length >= 1
require 'yaml'
- YAML::load(arguments[0])
+ begin
+ YAML::load(arguments[0]) || arguments[1]
+ rescue Exception
+ arguments[1]
+ end
end
end