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| -rw-r--r-- | lib/puppet/parser/functions/validate_bool.rb | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/validate_bool.rb b/lib/puppet/parser/functions/validate_bool.rb new file mode 100644 index 0000000..49e6378 --- /dev/null +++ b/lib/puppet/parser/functions/validate_bool.rb @@ -0,0 +1,39 @@ +module Puppet::Parser::Functions + + newfunction(:validate_bool, :doc => <<-'ENDHEREDOC') do |args| + Validate all passed values are true or false. Abort catalog compilation if the + value does not pass the check. + + Example: + + These booleans validate + + $iamtrue = true + validate_bool(true) + validate_bool(true, true, false, $iamtrue) + + These strings do NOT validate and will abort catalog compilation + + $some_array = [ true ] + validate_bool("false") + validate_bool("true") + validate_bool($some_array) + + * Jeff McCune <jeff@puppetlabs.com> + * Dan Bode <dan@puppetlabs.com> + + ENDHEREDOC + + unless args.length > 0 then + raise Puppet::ParseError, ("validate_bool(): wrong number of arguments (#{args.length}; must be > 0)") + end + + args.each do |arg| + unless (arg.is_a?(TrueClass) || arg.is_a?(FalseClass)) + raise Puppet::ParseError, ("#{arg.inspect} is not a boolean. It looks to be a #{arg.class}") + end + end + + end + +end |