Class: Kafo::Validator

Inherits:
Object
  • Object
show all
Defined in:
lib/kafo/validator.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params) ⇒ Validator

Returns a new instance of Validator.



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# File 'lib/kafo/validator.rb', line 11

def initialize(params)
  self.class.prepare_functions
  validate_files = KafoConfigure.modules_dir + '/*/lib/puppet/parser/functions/validate_*.rb'
  is_function_files = KafoConfigure.modules_dir + '/*/lib/puppet/parser/functions/is_*.rb'
  definitions = Dir.glob(validate_files) + Dir.glob(is_function_files)

  definitions.each do |file|
    require File.expand_path(file)
  end

  @params = params
  @logger = KafoConfigure.logger

  @cache ||= Hash.new do |hash, key|
    @logger.debug "Looked for #{key}"
    param     = @params.select { |p| p.name == key.to_s }.first
    hash[key] = param.nil? ? nil : param.value
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &block) ⇒ Object 



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# File 'lib/kafo/validator.rb', line 45

def method_missing(method, *args, &block)
  method.to_s =~ /^function_(.*)$/
  super unless $1
  super unless Puppet::Parser::Functions.function($1)
  # In odd circumstances, this might not end up defined by the previous
  # method, so we might as well be certain.
  if engine.respond_to? method
    @logger.debug "calling #{method.inspect} with #{args.inspect}"
    engine.send(method, *args)
  else
    raise Puppet::DevError, "Function #{$1} not defined despite being loaded!"
  end
rescue Puppet::ParseError => e
  @logger.error e.message
  return false
end

Class Method Details

.prepare_functions ⇒ Object 



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# File 'lib/kafo/validator.rb', line 5

def self.prepare_functions
  return true if @reset || !Puppet::Parser::Functions.respond_to?(:reset)
  Puppet::Parser::Functions.reset
  @reset = true
end

Instance Method Details

#[](value, *args) ⇒ Object

for puppet >= 3



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# File 'lib/kafo/validator.rb', line 41

def [](value, *args)
  lookupvar(value)
end

#include?(value) ⇒ Boolean

for puppet >= 3

Returns:

  • (Boolean) 


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# File 'lib/kafo/validator.rb', line 36

def include?(value)
  true
end

#lookupvar(name, options = {}) ⇒ Object 



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# File 'lib/kafo/validator.rb', line 31

def lookupvar(name, options = {})
  @cache[name]
end