Module: Staypuft::Concerns::LookupKeyExtensions

Extended by:
ActiveSupport::Concern
Defined in:
app/models/staypuft/concerns/lookup_key_extensions.rb

Constant Summary collapse

LIMPET_FORMAT = 
'<%%={key_id:%s};'
LIMPET_FORMAT_REGEXP = 
/#{LIMPET_FORMAT % '(\d+)'}/

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.evaluate_value(hostgroup, value) ⇒ Object 



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# File 'app/models/staypuft/concerns/lookup_key_extensions.rb', line 41

def self.evaluate_value(hostgroup, value)
  host = Host::Managed.new(hostgroup: hostgroup, name: 'renderer')
  SafeRender.new(:variables => { :host => host }).parse(value)
rescue => e
  "ERROR: #{e.message} (#{e.class})"
end

.has_erb?(value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/staypuft/concerns/lookup_key_extensions.rb', line 33

def self.has_erb?(value)
  value =~ /<%.*%>/
end

.monkey_path_safe_render ⇒ Object 



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# File 'app/models/staypuft/concerns/lookup_key_extensions.rb', line 56

def self.monkey_path_safe_render
  ::SafeRender.class_eval do
    def parse_string(string)
      raise ::ForemanException.new(N_('SafeRender#parse_string was passed a %s instead of a string') % string.class) unless string.is_a? String

      lookup_key_id = string[Staypuft::Concerns::LookupKeyExtensions::LIMPET_FORMAT_REGEXP, 1]
      if lookup_key_id
        lookup_key = LookupKey.find(lookup_key_id)
        type       = lookup_key.key_type
      end

      value = if Setting[:safemode_render]
                box = Safemode::Box.new self, @allowed_methods
                box.eval(ERB.new(string, nil, '-').src, @allowed_vars)
              else
                @allowed_vars.each { |k, v| instance_variable_set "@#{k}", v }
                ERB.new(string, nil, '-').result(binding)
              end

      if type
        lookup_key.cast_validate_value_after_erb value, type
      else
        value
      end
    rescue => exc
      # TODO fix in foreman
      Rails.logger.error "There was error rendering string: #{string.inspect}\n#{exc} (#{exc.class})\n#{exc.backtrace.join("\n")}"
      raise exc
    end
  end
end

Instance Method Details

#cast_validate_value_after_erb(value, type) ⇒ Object 



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# File 'app/models/staypuft/concerns/lookup_key_extensions.rb', line 27

def cast_validate_value_after_erb(value, type)
  method = "cast_value_#{type}".to_sym
  return value unless self.respond_to? method, true
  self.send(method, value) rescue raise TypeError
end

#cast_validate_value_with_erb(value) ⇒ Object 



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# File 'app/models/staypuft/concerns/lookup_key_extensions.rb', line 15

def cast_validate_value_with_erb(value)
  if has_erb? value
    if value =~ LIMPET_FORMAT_REGEXP
      value.gsub(/#{LIMPET_FORMAT_REGEXP}/, LIMPET_FORMAT % id)
    else
      value.gsub(/<%=/, LIMPET_FORMAT % id)
    end
  else
    cast_validate_value_without_erb value
  end
end

#has_erb?(value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/staypuft/concerns/lookup_key_extensions.rb', line 37

def has_erb?(value)
  Staypuft::Concerns::LookupKeyExtensions.has_erb? value
end

#value_before_type_cast_with_limpet(value) ⇒ Object 



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# File 'app/models/staypuft/concerns/lookup_key_extensions.rb', line 48

def value_before_type_cast_with_limpet(value)
  if has_erb? value
    value.gsub(LIMPET_FORMAT_REGEXP, '<%=')
  else
    value_before_type_cast_without_limpet(value)
  end
end