Module: LapisLazuli::WorldModule::Logging

Includes:
Config
Included in:
LapisLazuli, Browser, Proxy
Defined in:
lib/lapis_lazuli/world/logging.rb

Overview

Module for easy logging

Manages the following:

@log        - TeeLogger instances

Instance Method Summary collapse

Methods included from Config

#add_config_from_file, #config, #current_env, #env, #env_or_config, #get_config_from_file, #has_config?, #has_env?, #has_env_or_config?, #init, #load_config, #metadata, #var_from_env

Methods included from Config::ClassMethods

#add_config, #config_file, #config_file=, #config_files

Instance Method Details

#log ⇒ Object

Log “singleton”



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# File 'lib/lapis_lazuli/world/logging.rb', line 27

def log
  return Runtime.instance.set_if(self, :logger) do
    # Make log directory
    dir = env_or_config('log_dir')
    begin
      Dir.mkdir dir
    rescue SystemCallError => ex
      # Swallow this error; it occurs (amongst other situations) when the
      # directory exists. Checking for an existing directory beforehand is
      # not concurrency safe.
    end

    # Start the logger with the config filename
    log_file = "#{dir}#{File::SEPARATOR}#{File.basename(Config.config_files[0], ".*")}.log"
    # Or a filename from the environment
    if has_env_or_config?("log_file")
      log_file = env_or_config("log_file")
    end
    l = TeeLogger::TeeLogger.new(log_file)
    l.level = env_or_config("log_level")

    l
  end
end