diff options
Diffstat (limited to 'puppet/modules/templatewlv/lib/puppet/parser/functions/templatewlv.rb')
-rw-r--r-- | puppet/modules/templatewlv/lib/puppet/parser/functions/templatewlv.rb | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/puppet/modules/templatewlv/lib/puppet/parser/functions/templatewlv.rb b/puppet/modules/templatewlv/lib/puppet/parser/functions/templatewlv.rb new file mode 100644 index 00000000..c9579e2c --- /dev/null +++ b/puppet/modules/templatewlv/lib/puppet/parser/functions/templatewlv.rb @@ -0,0 +1,41 @@ +require File.join(File.dirname(__FILE__),'../templatewrapperwlv') +Puppet::Parser::Functions::newfunction(:templatewlv, :type => :rvalue, :arity => -2, :doc => + "A wrapper around puppet's template function. See + [the templating docs](http://docs.puppetlabs.com/guides/templating.html) for + the basic functionality. + + Additionally, you can pass a hash, as the last argument, which will be turned into + local variables and available to the template itself. This will allow you to define + variables in a template and pass them down to a template you include in the current + template. An example: + + scope.function_templatewlv(['sub_template', { 'local_var' => 'value' }]) + + Note that if multiple templates are specified, their output is all + concatenated and returned as the output of the function.") do |vals| + + if vals.last.is_a?(Hash) + local_vars = vals.last + local_vals = vals[0..-2] + else + local_vars = {} + local_vals = vals + end + + result = nil + local_vals.collect do |file| + # Use a wrapper, so the template can't get access to the full + # Scope object. + debug "Retrieving template #{file}" + + wrapper = Puppet::Parser::TemplateWrapperWlv.new(self,local_vars) + wrapper.file = file + begin + wrapper.result + rescue => detail + info = detail.backtrace.first.split(':') + raise Puppet::ParseError, + "Failed to parse template #{file}:\n Filepath: #{info[0]}\n Line: #{info[1]}\n Detail: #{detail}\n" + end + end.join("") +end |