Class: Bipbip::Config

Inherits:
Object
  • Object
show all
Defined in:
lib/bipbip/config.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(plugins = nil, storages = nil, logger = nil) ⇒ Config

Returns a new instance of Config.

Parameters:



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# File 'lib/bipbip/config.rb', line 53

def initialize(plugins = nil, storages = nil, logger = nil)
  @plugins = plugins || []
  @storages = storages || []
  @logger = logger || Logger.new(STDOUT)
end

Instance Attribute Details

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



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# File 'lib/bipbip/config.rb', line 5

def logger
  @logger
end

#plugins ⇒ Object (readonly)

Returns the value of attribute plugins.



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# File 'lib/bipbip/config.rb', line 3

def plugins
  @plugins
end

#storages ⇒ Object (readonly)

Returns the value of attribute storages.



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# File 'lib/bipbip/config.rb', line 4

def storages
  @storages
end

Class Method Details

.factory_from_file(file_path) ⇒ Bipbip::Config

Parameters:

  • file_path (String)

Returns:



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# File 'lib/bipbip/config.rb', line 9

def self.factory_from_file(file_path)
  config = YAML.load(File.open(file_path))
  config = {
    'logfile' => STDOUT,
    'loglevel' => 'INFO',
    'frequency' => 60,
    'include' => nil,
    'services' => [],
    'tags' => []
  }.merge(config)

  logger = Logger.new(config['logfile'])
  logger.level = Logger.const_get(config['loglevel'])

  plugins_config = config['services'].to_a
  if config['include']
    include_path = File.expand_path(config['include'].to_s, File.dirname(file_path))

    files = Dir[include_path + '/**/*.yaml', include_path + '/**/*.yml']
    plugins_config += files.map { |file| YAML.load(File.open(file)) }
  end

  plugins = plugins_config.map do |service|
    plugin_name = service['plugin']
    metric_group = service['metric_group']
    frequency = service['frequency'].nil? ? config['frequency'] : service['frequency']
    tags = config['tags'].to_a + service['tags'].to_a
    plugin_config = service.reject { |key, _value| %w(plugin frequency tags metric_group).include?(key) }
    Bipbip::Plugin.factory(plugin_name, plugin_config, frequency, tags, metric_group)
  end

  storages_config = config['storages'].to_a
  storages = storages_config.map do |storage|
    storage_name = storage['name'].to_s
    storage_config = storage.reject { |key, _value| ['name'].include?(key) }
    Bipbip::Storage.factory(storage_name, storage_config)
  end

  Bipbip::Config.new(plugins, storages, logger)
end