Class: Puppet::Pops::Evaluator::EppEvaluator

Inherits:
Object
  • Object
show all
Defined in:
lib/puppet/pops/evaluator/epp_evaluator.rb

Overview

Handler of Epp call/evaluation from the epp and inline_epp functions

Class Method Summary collapse

Class Method Details

.epp(scope, file, env_name, template_args = nil) ⇒ Object 



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# File 'lib/puppet/pops/evaluator/epp_evaluator.rb', line 22

def self.epp(scope, file, env_name, template_args = nil)
  unless file.is_a?(String)
    raise ArgumentError, "epp(): the first argument must be a String with the filename, got a #{file.class}"
  end

  unless Puppet::FileSystem.exist?(file)
    unless file =~ /\.epp$/
      file = file + ".epp"
    end
  end

  scope.debug "Retrieving epp template #{file}"
  template_file = Puppet::Parser::Files.find_template(file, env_name)
  if template_file.nil? ||  !Puppet::FileSystem.exist?(template_file)
    raise Puppet::ParseError, _("Could not find template '%{file}'") % { file: file }
  end

  # Parse and validate the source
  parser = Puppet::Pops::Parser::EvaluatingParser::EvaluatingEppParser.new
  begin
    result = parser.parse_file(template_file)
  rescue Puppet::ParseError => e
    raise ArgumentError, "epp(): Invalid EPP: #{e.message}"
  end

  # Evaluate (and check template_args)
  evaluate(parser, 'epp', scope, true, result, template_args)
end

.inline_epp(scope, epp_source, template_args = nil) ⇒ Object 



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# File 'lib/puppet/pops/evaluator/epp_evaluator.rb', line 5

def self.inline_epp(scope, epp_source, template_args = nil)
  unless epp_source.is_a?(String)
    raise ArgumentError, "inline_epp(): the first argument must be a String with the epp source text, got a #{epp_source.class}"
  end

  # Parse and validate the source
  parser = Puppet::Pops::Parser::EvaluatingParser::EvaluatingEppParser.new
  begin
    result = parser.parse_string(epp_source, 'inlined-epp-text')
  rescue Puppet::ParseError => e
    raise ArgumentError, "inline_epp(): Invalid EPP: #{e.message}"
  end

  # Evaluate (and check template_args)
  evaluate(parser, 'inline_epp', scope, false, result, template_args)
end