Class: Nucleon::Action::Network::Config

Inherits:
Object
  • Object
show all
Defined in:
lib/nucleon/action/network/config.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.describe ⇒ Object

Info



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# File 'lib/nucleon/action/network/config.rb', line 10

def self.describe
  super(:network, :config, 949)
end

Instance Method Details

#arguments ⇒ Object 



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# File 'lib/nucleon/action/network/config.rb', line 38

def arguments
  [ :name, :value ]
end

#configure ⇒ Object

Settings



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# File 'lib/nucleon/action/network/config.rb', line 17

def configure
  super do
    codes :configuration_parse_failed,
          :configuration_save_failed,
          :configuration_delete_failed

    register_str :name
    register_array :value

    register_bool :array
    register_bool :delete
    register_bool :append

    register_translator :input_format
    register_translator :save_format
    register_translator :format, :json
  end
end

#delete_config_property(config_info) ⇒ Object 



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# File 'lib/nucleon/action/network/config.rb', line 97

def delete_config_property(config_info)
  remote_text    = remote_message(settings[:net_remote])
  config_file    = config_info[:file].sub(network.directory + File::SEPARATOR, '')
  render_options = { :config_file => blue(config_file), :remote_text => yellow(remote_text) }
  success        = false

  if config_info[:property]
    name = parse_property_name(config_info[:property])
    render_options.merge({ :name => blue(name) })

    config_info[:config].delete(config_info[:property])

    if File.exists?(config_info[:file])
      if Util::Disk.write(config_info[:file], config_info[:translator].generate(config_info[:config].export))
        success = true
      else
        error('file_save', render_options)
        myself.status = code.configuration_save_failed
      end
    else
      info('no_config_file', render_options)
    end
  else
    if File.exists?(config_info[:file])
      if FileUtils.rm(config_info[:file])
        success = true
      else
        error('file_remove', render_options)
      end
    end
  end

  if success
    if network.save({ :files => config_file, :remote => settings[:net_remote], :message => "Deleting configuration #{name} from #{config_file}", :allow_empty => true })
      success('delete', render_options)
    else
      error('delete', render_options)
      myself.status = code.configuration_save_failed
    end
  end
end

#execute ⇒ Object

Operations



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# File 'lib/nucleon/action/network/config.rb', line 45

def execute
  super do |node|
    ensure_network do
      config_info = parse_config_reference(node, settings[:name])

      unless config_info
        myself.status = code.configuration_parse_failed
      end

      if settings.delete(:delete, false)
        delete_config_property(config_info)

      elsif config_info[:property].nil?
        render_config_properties(config_info)

      elsif ! settings[:value].empty?
        set_config_property(config_info, settings[:value])
      else
        render_config_property(config_info)
      end
    end
  end
end

#parse_config_reference(node, name) ⇒ Object

Utilities



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# File 'lib/nucleon/action/network/config.rb', line 197

def parse_config_reference(node, name)
  # @TODO: Break this method up, URGENTLY, before it gets too hideous
  # Oh wait, it's already too hideous

  info        = {}
  data        = {}
  config      = CORL::Config.new({}, {}, true, false)
  translators = CORL.loaded_plugins(:nucleon, :translator).keys

  # common@php::apache::memory_limit
  # identity/test@users::user[admin][shell]
  # servers/development/dev.loc@facts[server_environment]

  config_elements  = name.split('@')

  property         = config_elements.size > 1 ? config_elements.pop : nil
  config_elements  = config_elements[0].split('/') if config_elements.size > 0
  config_file_name = config_elements.pop
  config_path      = File.join(network.config_directory, *config_elements)
  config_dir       = config_file_name ? File.join(config_path, config_file_name) : config_path
  config_file      = nil
  config_files     = nil
  translator       = []

  if config_file_name
    property = property.gsub(/\]$/, '').split(/\]?\[/) if property

    translators.each do |translator_name|
      config_file = File.join(config_path, "#{config_file_name}." + translator_name.to_s)

      if File.exists?(config_file)
        unless data = Util::Disk.read(config_file)
          error('file_read', { :config_file => config_file })
          return nil
        end
        unless load_translator = CORL.translator({}, translator_name)
          error('translator_load', { :translator => translator_name })
          return nil
        end
        config.import(load_translator.parse(data))
        translator << load_translator
      end
    end
  end

  file_exists = translator.empty? ? false : true

  if settings[:save_format]
    translator = CORL.translator({}, settings[:save_format])
  else
    if translator.empty?
      translator = CORL.translator({}, CORL.type_default(:nucleon, :translator))
    else
      translator = translator.size > 1 ? translator.shift : translator[0]
    end
  end

  config_file = File.join(config_path, "#{config_file_name}." + translator.plugin_name.to_s)

  unless file_exists
    hiera_search_path = node.hiera_configuration[:hierarchy]
    config_files      = []

    if File.directory?(config_dir)
      config_files = Dir.glob("#{config_dir}/**/*").select do |file|
        is_config = false

        translators.each do |translator_name|
          is_config = true if file.match(/\.#{translator_name}/)
        end
        is_config
      end

      config_files.collect! do |file|
        file.sub(/#{network.config_directory + File::SEPARATOR}/, '')
      end
    end

    ordered_config_files  = []
    rendered_config_files = []

    hiera_search_path.each do |search_path|
      search_components = search_path.split(File::SEPARATOR)

      rendered_config_files << "SEARCH: #{search_path}"

      config_files.each do |file|
        file_ext                 = File.extname(file)
        file_components          = file.sub(/\..*$/, '').split(File::SEPARATOR)
        rendered_file_components = []
        file_match               = true

        search_components.each_with_index do |search_item, index|
          if search_item.strip =~ /^%{:?:?([^}]+)}$/ && index < file_components.size
            rendered_file_components << cyan(file_components[index])
          elsif search_item != file_components[index]
            file_match = false
          else
            rendered_file_components << yellow(search_item)
          end
        end

        rendered_file = "        #{rendered_file_components.join(File::SEPARATOR)} [ #{blue(file_ext.sub('.', ''))} ]"

        if file_match && ! ordered_config_files.include?(file)
          ordered_config_files << file
          rendered_config_files << rendered_file
        end
      end
    end
  end

  {
    :translator     => translator,
    :file           => config_file,
    :files          => ordered_config_files,
    :rendered_files => rendered_config_files,
    :property       => property,
    :config         => config,
    :value          => property ? Util::Data.value(config.get(property)) : nil
  }
end

#render_config_properties(config_info) ⇒ Object

Sub operations



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# File 'lib/nucleon/action/network/config.rb', line 72

def render_config_properties(config_info)
  if file_labels = config_info[:rendered_files]
    info('subconfigurations', { :prefix => false })
    info("\n", { :i18n => false })
    file_labels.each do |label|
      prefixed_message(:info, '  ', label, { :i18n => false, :prefix => false })
    end
    info("\n", { :i18n => false })
  else
    format        = settings[:format]
    myself.result = config_info[:config].export
    render result, :format => format
  end
end

#render_config_property(config_info) ⇒ Object 



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# File 'lib/nucleon/action/network/config.rb', line 89

def render_config_property(config_info)
  format        = settings[:format]
  myself.result = config_info[:value]
  render result, :format => format
end

#set_config_property(config_info, values) ⇒ Object 



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# File 'lib/nucleon/action/network/config.rb', line 141

def set_config_property(config_info, values)
  name        = parse_property_name(config_info[:property])
  remote_text = remote_message(settings[:net_remote])
  config_file = config_info[:file].sub(network.directory + File::SEPARATOR, '')

  render_options = { :config_file => blue(config_file), :name => blue(name), :remote_text => yellow(remote_text) }

  config_file  = config_info[:file].sub(network.directory + File::SEPARATOR, '')
  input_format = settings[:input_format]

  values.each_with_index do |value, index|
    if input_format
      translator    = CORL.translator({}, input_format)
      values[index] = translator.parse(value)
    end
    values[index] = Util::Data.value(values[index])
  end

  if settings[:append]
    if prev_value = config_info[:value]
      prev_value = array(prev_value)

      values.each do |value|
        prev_value.push(value)
      end
      values = prev_value
    end
  else
    if settings[:array]
      values = array(values)
    elsif values.size == 1
      values = values[0]
    end
  end

  myself.result = values
  config_info[:config].set(config_info[:property], result)

  FileUtils.mkdir_p(File.dirname(config_info[:file]))

  if Util::Disk.write(config_info[:file], config_info[:translator].generate(config_info[:config].export))
    if network.save({ :files => config_file, :remote => settings[:net_remote], :message => "Updating configuration #{name} in #{config_file}", :allow_empty => true })
      success('update', render_options)
    else
      error('update', render_options)
      myself.status = code.configuration_save_failed
    end
  else
    error('file_save', render_options)
    myself.status = code.configuration_save_failed
  end
end