Module: YleTf::Logger

Extended by:
Forwardable
Defined in:
lib/yle_tf/logger.rb,
lib/yle_tf/logger/colorize.rb

Overview

Logger for debug, error, etc. outputs. Prints to STDERR, so it does not mess with e.g. ‘terraform output`.

Defined Under Namespace

Modules: Colorize

Constant Summary collapse

LEVELS = 
i[debug info warn error fatal].freeze
DEVICE = 
STDERR

Class Method Summary collapse

Class Method Details

.color(severity) ⇒ Object 



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# File 'lib/yle_tf/logger.rb', line 58

def self.color(severity)
  return if !color?

  case severity.to_s
  when 'FATAL', 'ERROR'
    :red
  when 'WARN'
    :brown
  end
end

.color=(value) ⇒ Object 



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# File 'lib/yle_tf/logger.rb', line 54

def self.color=(value)
  @color = value
end

.color? ⇒ Boolean 



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# File 'lib/yle_tf/logger.rb', line 50

def self.color?
  @color
end

.log_formatter ⇒ Object 



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# File 'lib/yle_tf/logger.rb', line 38

def self.log_formatter
  proc do |severity, _datetime, progname, msg|
    msg = Colorize.colorize(msg, color(severity))

    if progname
      "#{severity}: [#{progname}] #{msg}\n"
    else
      "#{severity}: #{msg}\n"
    end
  end
end

.log_level ⇒ Object 



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# File 'lib/yle_tf/logger.rb', line 32

def self.log_level
  (ENV['TF_DEBUG'] && 'DEBUG') || \
    ENV['TF_LOG'] || \
    'INFO'
end

.logger ⇒ Object 



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# File 'lib/yle_tf/logger.rb', line 24

def self.logger
  @logger ||= ::Logger.new(DEVICE).tap do |logger|
    patch_for_old_ruby(logger)
    logger.level = log_level
    logger.formatter = log_formatter
  end
end

.patch_for_old_ruby(logger) ⇒ Object

Patches the ‘::Logger` in older Ruby versions to accept log level as a `String`



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# File 'lib/yle_tf/logger.rb', line 71

def self.patch_for_old_ruby(logger)
  if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.3')
    require_relative '../../vendor/logger_level_patch'
    logger.extend(LoggerLevelPatch)
  end
end