module VagrantCloud::Logger
Public Class Methods
default()
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@return [Log4r::Logger] default logger
# File lib/vagrant_cloud/logger.rb, line 7 def self.default @@lock.synchronize do if !@logger # Require Log4r and define the levels we'll be using require 'log4r/config' Log4r.define_levels(*Log4r::Log4rConfig::LogLevels) level = nil begin level = Log4r.const_get(ENV.fetch("VAGRANT_CLOUD_LOG", "FATAL").upcase) rescue NameError # This means that the logging constant wasn't found, # which is fine. We just keep `level` as `nil`. But # we tell the user. level = nil end # Some constants, such as "true" resolve to booleans, so the # above error checking doesn't catch it. This will check to make # sure that the log level is an integer, as Log4r requires. level = nil if !level.is_a?(Integer) # Only override the log output format if the default is set if Log4r::Outputter.stderr.formatter.is_a?(Log4r::DefaultFormatter) base_formatter = Log4r::PatternFormatter.new( pattern: "%d [%5l] %m", date_pattern: "%F %T" ) Log4r::Outputter.stderr.formatter = base_formatter end logger = Log4r::Logger.new("vagrantcloud") logger.outputters = Log4r::Outputter.stderr logger.level = level @logger = logger end end @logger end
included(klass)
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# File lib/vagrant_cloud/logger.rb, line 47 def self.included(klass) klass.class_variable_set(:@@logger, Log4r::Logger.new(klass.name.downcase)) klass.class_eval { define_method(:logger) { self.class.class_variable_get(:@@logger) } } end
Public Instance Methods
logger()
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@return [Log4r::Logger] logger instance for current context
# File lib/vagrant_cloud/logger.rb, line 53 def logger @@lock.synchronize do if !@logger @logger = Log4r::Logger.new(self.class.name.downcase) end @logger end end