class Logging::Appenders::Journald

Attributes

extra[R]
facility[R]
ident[R]
journal[R]
mdc[R]
ndc[R]

Public Class Methods

new(name, opts = {}) click to toggle source
Calls superclass method
# File lib/logging/appenders/journald.rb, line 16
def initialize(name, opts = {})
  opts[:layout] ||= ::Logging::Layouts::Noop.new
  @ident = opts.fetch(:ident, name)
  @mdc = opts.fetch(:mdc, true)
  @ndc = opts.fetch(:ndc, true)
  @facility = Integer(opts.fetch(:facility, -1))
  @extra = opts.fetch(:extra, {})
  @logger_name = opts.fetch(:logger_name, false)
  @map = [
    ::Journald::LOG_DEBUG,
    ::Journald::LOG_INFO,
    ::Journald::LOG_WARNING,
    ::Journald::LOG_ERR,
    ::Journald::LOG_CRIT
  ]
  map = opts.fetch(:map, nil)
  self.map = map unless map.nil?
  @journal = ::Journald::Logger.new(ident, ::Journald::LOG_DEBUG)
  #@journal.sev_threshold = ::Journald::LOG_DEBUG
  super(name, opts)
end

Public Instance Methods

close(*args) click to toggle source
Calls superclass method
# File lib/logging/appenders/journald.rb, line 47
def close(*args)
  super(false)
end
map=(levels) click to toggle source
# File lib/logging/appenders/journald.rb, line 38
def map=(levels)
  map = []
  levels.keys.each do |lvl|
    num = ::Logging.level_num(lvl)
    map[num] = syslog_level_num(levels[lvl])
  end
  @map = map
end

Private Instance Methods

syslog_level_num(level) click to toggle source
# File lib/logging/appenders/journald.rb, line 53
def syslog_level_num(level)
  case level
  when Integer; level
  when String, Symbol
    level = level.to_s.upcase
    self.class.const_get level
  else
    raise ArgumentError, "unknown level '#{level}'"
  end
end
write(event) click to toggle source
# File lib/logging/appenders/journald.rb, line 64
def write(event)
  record = {}
  record.merge!(extra) unless extra.empty?
  record[:SYSLOG_FACILITY] = @facility if @facility >= 0
  record.merge!(Logging.mdc.context) if mdc
  if ndc
    Logging.ndc.context.each do |item|
      record.merge!(item) if item.instance_of?(Hash)
    end
  end
  if event.instance_of?(::Logging::LogEvent)
    record[:priority] = (@map[event.level] || ::Journald::LOG_DEBUG)
    record[@logger_name] = event.logger if @logger_name
    if event.data.instance_of?(Hash)
      record.merge!(event.data)
    else
      record[:message] = @layout.format(event)
    end
  else
    record[:message] = event
  end
  @journal.send(record)
  self
rescue StandardError => err
  self.level = :off
  ::Logging.log_internal 'system journal appender have been disabled'
  ::Logging.log_internal_error(err)
  raise(err)
end