Class: RubyRabbitmqJanus::Tools::Log

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/rrj/tools/gem/log.rb

Overview

# Manage log in this gem

Singleton object for manipulate logs in this gem

Constant Summary collapse

LEVELS =

Levels to log

{
  DEBUG: Logger::DEBUG,
  INFO: Logger::INFO,
  WARN: Logger::WARN,
  ERROR: Logger::ERROR,
  FATAL: Logger::FATAL,
  UNKNOWN: Logger::UNKNOWN
}.freeze
SENSITIVES =

Sensitive data

i[admin_secret apisecret].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Log

Returns a new instance to Log and use Tag element for each line writing in log with name to gem.

See Also:



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# File 'lib/rrj/tools/gem/log.rb', line 35

def initialize
  logs = defined?(Rails) ? logger_rails : logger_develop
  logs.progname = RubyRabbitmqJanus.name
  logs.level = LEVELS[:DEBUG]
  logs.info('### Start gem Rails Rabbit Janus ###')
  @level = logs.level
  @progname = logs.progname
  @logs = ActiveSupport::TaggedLogging.new(logs)
rescue
  raise Errors::Tools::Log::Initialize
end

Instance Attribute Details

#level ⇒ Fixnum (readonly)

Return a number to log level.

Returns:

  • Return a number to log level.



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# File 'lib/rrj/tools/gem/log.rb', line 13

class Log
  include Singleton

  # Levels to log
  LEVELS = {
    DEBUG: Logger::DEBUG,
    INFO: Logger::INFO,
    WARN: Logger::WARN,
    ERROR: Logger::ERROR,
    FATAL: Logger::FATAL,
    UNKNOWN: Logger::UNKNOWN
  }.freeze

  # Sensitive data
  SENSITIVES = i[admin_secret apisecret].freeze

  attr_reader :level

  # Returns a new instance to Log and use `Tag` element for each line
  # writing in log with name to gem.
  #
  # @see http://api.rubyonrails.org/classes/ActiveSupport/TaggedLogging.html
  def initialize
    logs = defined?(Rails) ? logger_rails : logger_develop
    logs.progname = RubyRabbitmqJanus.name
    logs.level = LEVELS[:DEBUG]
    logs.info('### Start gem Rails Rabbit Janus ###')
    @level = logs.level
    @progname = logs.progname
    @logs = ActiveSupport::TaggedLogging.new(logs)
  rescue
    raise Errors::Tools::Log::Initialize
  end

  # Write a message in log with a `UNKNOWN` level
  #
  # @param message [String] Message writing in warning level in log
  def unknown(message)
    write_tag { @logs.unknown(filter(message)) }
  rescue
    raise Errors::Tools::Log::Unknow
  end

  # Write a message in log with a `FATAL` level
  #
  # @param message [String] Message writing in warning level in log
  def fatal(message)
    write_tag { @logs.fatal(filter(message)) } if test_level?(Logger::FATAL)
  rescue
    raise Errors::Tools::Log::Fatal
  end

  # Write a message in log with a `ERROR` level
  #
  # @param message [String] Message writing in warning level in log
  def error(message)
    write_tag { @logs.error(filter(message)) } if test_level?(Logger::ERROR)
  rescue
    raise Errors::Tools::Log::Error
  end

  # Write a message in log with a `WARN` level
  # @param message [String] Message writing in warning level in log
  def warn(message)
    write_tag { @logs.warn(filter(message)) } if test_level?(Logger::WARN)
  rescue
    raise Errors::Tools::Log::Warn
  end

  # Write a message in log with a `INFO` level
  #
  # @param message [String] Message writing in info level in log
  def info(message)
    write_tag { @logs.info(filter(message)) } if test_level?(Logger::INFO)
  rescue
    raise Errors::Tools::Log::Info
  end

  # Write a message in log with a `DEBUG` level
  #
  # @param message [String] Message writing in debug level in log
  def debug(message)
    write_tag { @logs.debug(filter(message)) } if test_level?(Logger::DEBUG)
  rescue
    raise Errors::Tools::Log::Debug
  end

  # @return [RubyRabbitmqJanus::Tools::Log] the instance to logger
  def logger
    @logs
  rescue
    raise Errors::Tools::Log::Logger
  end

  # @return [String] name of file to logger used
  def logdev
    @logs.instance_variable_get(:'@logdev').filename
  rescue
    raise Errors::Tools::Log::Logdev
  end

  # Save log level used in this gem
  #
  # @param [Symbol] gem_level Level used for log in this gem
  def save_level(gem_level)
    @level = LEVELS[gem_level]
  rescue
    raise Errors::Tools::Log::SaveLevel
  end

  private

  def logger_rails
    defined?(RSpec) ? logger_develop : Rails.logger
  end

  def logger_develop
    log = Logger.new('log/ruby-rabbitmq-janus.log')
    log.formatter = proc do |severity, _datetime, _progname, msg|
      "#{severity[0, 1].upcase}, #{msg}\n"
    end
    log
  end

  def test_level?(this_level)
    this_level >= Log.instance.level ? true : false
  end

  def write_tag
    @logs.tagged(@logs.progname) { yield }
  end

  # @todo fix replace
  def filter_sensitive_data(log)
    msg = log
    SENSITIVES.each do |word|
      msg = log.gsub(/\"#{word}\".*\".*\"/, "\"#{word}\":\"[FILTERED]\"") \
        if log.include?(word.to_s)
    end
    msg
  end

  alias filter filter_sensitive_data
end

Instance Method Details

#debug(message) ⇒ Object

Write a message in log with a DEBUG level

Parameters:

  • Message writing in debug level in log



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# File 'lib/rrj/tools/gem/log.rb', line 94

def debug(message)
  write_tag { @logs.debug(filter(message)) } if test_level?(Logger::DEBUG)
rescue
  raise Errors::Tools::Log::Debug
end

#error(message) ⇒ Object

Write a message in log with a ERROR level

Parameters:

  • Message writing in warning level in log



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# File 'lib/rrj/tools/gem/log.rb', line 68

def error(message)
  write_tag { @logs.error(filter(message)) } if test_level?(Logger::ERROR)
rescue
  raise Errors::Tools::Log::Error
end

#fatal(message) ⇒ Object

Write a message in log with a FATAL level

Parameters:

  • Message writing in warning level in log



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# File 'lib/rrj/tools/gem/log.rb', line 59

def fatal(message)
  write_tag { @logs.fatal(filter(message)) } if test_level?(Logger::FATAL)
rescue
  raise Errors::Tools::Log::Fatal
end

#info(message) ⇒ Object

Write a message in log with a INFO level

Parameters:

  • Message writing in info level in log



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# File 'lib/rrj/tools/gem/log.rb', line 85

def info(message)
  write_tag { @logs.info(filter(message)) } if test_level?(Logger::INFO)
rescue
  raise Errors::Tools::Log::Info
end

#logdev ⇒ String

Returns name of file to logger used.

Returns:

  • name of file to logger used



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# File 'lib/rrj/tools/gem/log.rb', line 108

def logdev
  @logs.instance_variable_get(:'@logdev').filename
rescue
  raise Errors::Tools::Log::Logdev
end

#logger ⇒ RubyRabbitmqJanus::Tools::Log

Returns the instance to logger.

Returns:

  • the instance to logger



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# File 'lib/rrj/tools/gem/log.rb', line 101

def logger
  @logs
rescue
  raise Errors::Tools::Log::Logger
end

#save_level(gem_level) ⇒ Object

Save log level used in this gem

Parameters:

  • Level used for log in this gem



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# File 'lib/rrj/tools/gem/log.rb', line 117

def save_level(gem_level)
  @level = LEVELS[gem_level]
rescue
  raise Errors::Tools::Log::SaveLevel
end

#unknown(message) ⇒ Object

Write a message in log with a UNKNOWN level

Parameters:

  • Message writing in warning level in log



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# File 'lib/rrj/tools/gem/log.rb', line 50

def unknown(message)
  write_tag { @logs.unknown(filter(message)) }
rescue
  raise Errors::Tools::Log::Unknow
end

#warn(message) ⇒ Object

Write a message in log with a WARN level

Parameters:

  • Message writing in warning level in log



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# File 'lib/rrj/tools/gem/log.rb', line 76

def warn(message)
  write_tag { @logs.warn(filter(message)) } if test_level?(Logger::WARN)
rescue
  raise Errors::Tools::Log::Warn
end