class SemanticLogger::Appender::NewRelic

Public Class Methods

new(level: :error, **args, &block) click to toggle source

Create Appender

Parameters

level: [:trace | :debug | :info | :warn | :error | :fatal]
  Override the log level for this appender.
  Default: :error

formatter: [Object|Proc]
  An instance of a class that implements #call, or a Proc to be used to format
  the output from this appender
  Default: Use the built-in formatter (See: #call)

filter: [Regexp|Proc]
  RegExp: Only include log messages where the class name matches the supplied.
  regular expression. All other messages will be ignored.
  Proc: Only include log messages where the supplied Proc returns true
        The Proc must return true or false.
Calls superclass method SemanticLogger::Subscriber::new
# File lib/semantic_logger/appender/new_relic.rb, line 34
def initialize(level: :error, **args, &block)
  super(level: level, **args, &block)
end

Public Instance Methods

call(log, logger) click to toggle source

Returns [Hash] of parameters to send to New Relic.

# File lib/semantic_logger/appender/new_relic.rb, line 39
def call(log, logger)
  h = SemanticLogger::Formatters::Raw.new.call(log, logger)
  h.delete(:time)
  h.delete(:exception)
  {metric: log.metric, custom_params: h}
end
log(log) click to toggle source

Send an error notification to New Relic

# File lib/semantic_logger/appender/new_relic.rb, line 47
def log(log)
  # Send error messages as Runtime exceptions
  exception =
    if log.exception
      log.exception
    else
      error = RuntimeError.new(log.message)
      error.set_backtrace(log.backtrace) if log.backtrace
      error
    end
  # For more documentation on the NewRelic::Agent.notice_error method see:
  # http://rubydoc.info/github/newrelic/rpm/NewRelic/Agent#notice_error-instance_method
  # and https://docs.newrelic.com/docs/ruby/ruby-agent-api
  ::NewRelic::Agent.notice_error(exception, formatter.call(log, self))
  true
end