Class: Nav::Logger::ConsoleLogger

Inherits:
BaseLogger show all
Defined in:
lib/nav/logger/console_logger.rb

Constant Summary collapse

CODEMAP =

Mapping of color/style names to ANSI control values

{
  normal: 0,
  bold: 1,
  black: 30,
  red: 31,
  green: 32,
  yellow: 33,
  blue: 34,
  magenta: 35,
  cyan: 36,
  white: 37
}
LEVELMAP =

Map of log levels to colors

{
  "FATAL" => :red,
  "ERROR" => :red,
  "WARN" => :yellow,
  "INFO" => :green, # default color
  "DEBUG" => :cyan
}

Instance Attribute Summary

Attributes inherited from BaseLogger

#fluent_logger

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from BaseLogger

#debug, #error, #fatal, #info, #level, #level=, #level_name, #level_symbol, #log_tag, #post, #warn

Constructor Details

#initialize ⇒ ConsoleLogger

Returns a new instance of ConsoleLogger.



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# File 'lib/nav/logger/console_logger.rb', line 27

def initialize
  @fluent_logger = Fluent::Logger::ConsoleLogger.open STDOUT

  # Adds colorized loigging
  def @fluent_logger.post_with_time(tag, map, time)
    a = [time.strftime(@time_format), " ", tag, ":"]
    map.each_pair { |k,v|
      a << " #{k}="
      a << JSON.dump(v)
    }

    color = LEVELMAP[map[:level]] || :green

    a.unshift "\e[#{CODEMAP[color]}m"
    a << "\e[#{CODEMAP[:normal]}m"

    post_text a.join
    true
  end
end

Class Method Details

.post_with_time(tag, map, time) ⇒ Object

Adds colorized loigging



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# File 'lib/nav/logger/console_logger.rb', line 31

def @fluent_logger.post_with_time(tag, map, time)
  a = [time.strftime(@time_format), " ", tag, ":"]
  map.each_pair { |k,v|
    a << " #{k}="
    a << JSON.dump(v)
  }

  color = LEVELMAP[map[:level]] || :green

  a.unshift "\e[#{CODEMAP[color]}m"
  a << "\e[#{CODEMAP[:normal]}m"

  post_text a.join
  true
end