Module: Merb::Virtuozzo

Defined in:
lib/merb_virtuozzo/merb_virtuozzo.rb

Class Method Summary collapse

Class Method Details

.config ⇒ Object

Parses the configuration file converting keys to symbols and stores values to Merb::Plugins.config.



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# File 'lib/merb_virtuozzo/merb_virtuozzo.rb', line 26

def config
  @config ||= begin
    # Convert string keys to symbols
    full_config = Erubis.load_yaml_file(config_file)
    config = (Merb::Plugins.config[:virtuozzo] = {})
    (full_config[Merb.environment.to_sym] || full_config[Merb.environment] || full_config[:development]).each do |key, value|
      config[key.to_sym] = value
    end
    config
  end
end

.config_file ⇒ Object

Returns the expected location of a deployment configuration file.



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# File 'lib/merb_virtuozzo/merb_virtuozzo.rb', line 6

def config_file() Merb.root / "config" / "virtuozzo.yml" end

.config_options(config = {}) ⇒ Object

Extract and merge default values from configuration options.



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# File 'lib/merb_virtuozzo/merb_virtuozzo.rb', line 40

def config_options(config = {})
  options = {}

  options[:host] = (config[:host] || "https://localhost:4646")
  options[:username] = (config[:username] || config[:user] || "")
  options[:password] = config[:password] || ""

  options
end

.connect ⇒ Object

Establishes connection or logs errors returning the connection on success.



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# File 'lib/merb_virtuozzo/merb_virtuozzo.rb', line 59

def connect
  if File.exists?(config_file)
    Merb.logger.info!("Connecting to the Virtuozzo Agent at '#{config[:host]}' ...")
    
    o = config_options(config)
    
    connection_options = [
        o[:host],
        o[:username],
        o[:password],
        o.except(:host, :username, :password)
      ]
    
    @connection = ::Virtuozzo::SOAP::Connection.new(*connection_options)
    Merb.logger.error!("Connection Error: #{e}") unless @connection
    connection
  else
    copy_sample_config
    Merb.logger.set_log(STDERR)
    Merb.logger.error! "No virtuozzo.yml file found in #{Merb.root}/config."
    Merb.logger.error! "A sample file was created called config/virtuozzo.yml.sample for you to copy and edit."
    exit(1)
  end
end

.connection ⇒ Object

Singleton method for accessing an established connection session.



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# File 'lib/merb_virtuozzo/merb_virtuozzo.rb', line 52

def connection
  @connection ||= connect
end

.copy_sample_config ⇒ Object

Copies the template for the sample configuration file into the application’s config folder.



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# File 'lib/merb_virtuozzo/merb_virtuozzo.rb', line 19

def copy_sample_config
  FileUtils.cp sample_source, sample_dest unless File.exists?(sample_dest)
end

.sample_dest ⇒ Object

Returnes the expected location of a sample configuration file.



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# File 'lib/merb_virtuozzo/merb_virtuozzo.rb', line 10

def sample_dest() Merb.root / "config" / "virtuozzo.yml.sample" end

.sample_source ⇒ Object

Returnes the location of the template for a sample configuration file.



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# File 'lib/merb_virtuozzo/merb_virtuozzo.rb', line 14

def sample_source() File.dirname(__FILE__) / "virtuozzo.yml.sample" end