Module: Fluent::DataEntryPreferenceConfigurable

Defined in:
lib/flydata/fluent-plugins/preference.rb

Defined Under Namespace

Modules: ClassMethods

Constant Summary collapse

@@supported_custom_confs =
Hash.new{|h,k| h[k] = {}}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object


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# File 'lib/flydata/fluent-plugins/preference.rb', line 8

def self.included(base)
  base.extend ClassMethods
  base.class_eval do
    config_param :custom_conf_path, :string, default: nil
    config_param :key, :string, default: nil
  end
end

.replace_value_with_option(param_name, param_value, option_name, option_value, opts = {}) ⇒ Object


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# File 'lib/flydata/fluent-plugins/preference.rb', line 57

def self.replace_value_with_option(param_name, param_value, option_name, option_value, opts = {})
  ret = param_value
  case option_name
  when :encrypted
    if option_value
      ret = Flydata::Util::Encryptor.decrypt(
        param_value, opts[:key], param_name)
    end
  end
  ret
end

Instance Method Details

#apply_custom_conf(conf, key, type, option) ⇒ Object


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# File 'lib/flydata/fluent-plugins/preference.rb', line 30

def apply_custom_conf(conf, key, type, option)
  if conf[type.to_s] and value = conf[type.to_s][key.to_s]
    var_name = option[:var_name] || key
    instance_variable_set(:"@#{var_name}", value)
  end
end

#apply_custom_option(key, option) ⇒ Object


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# File 'lib/flydata/fluent-plugins/preference.rb', line 37

def apply_custom_option(key, option)
  var_name = option[:var_name] || key
  original_value = instance_variable_get(:"@#{var_name}")
  value = original_value
  option.each do |option_name, option_value|
    value = Fluent::DataEntryPreferenceConfigurable.replace_value_with_option(
      key, value, option_name, option_value, key: @key)
  end
  if original_value != value
    instance_variable_set(:"@#{var_name}", value)
  end
end

#load_custom_conf(file_path = @custom_conf_path) ⇒ Object


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# File 'lib/flydata/fluent-plugins/preference.rb', line 16

def load_custom_conf(file_path = @custom_conf_path)
  custom_conf = if file_path and File.exists?(file_path)
                  YAML.load_file(file_path)
                else
                  nil
                end
  @@supported_custom_confs.each do |type, settings|
    settings.each do |key, option|
      apply_custom_conf(custom_conf, key, type, option) if custom_conf
      apply_custom_option(key, option)
    end
  end
end