Class: Harbor::ExceptionNotifier

Inherits:
Object
  • Object
show all
Defined in:
lib/harbor/exception_notifier.rb

Overview

Utility class for receiving email notifications of exceptions in non-development environments.

services.register("mailer", Harbor::Mailer)
services.register("mail_server", Harbor::SendmailServer)

require 'harbor/exception_notifier'

You will then receive email alerts for all 500 errors in the format of:

From:     errors@request_host
Subject:  [ERROR] [request_host] [environment] Exception description
Body:     stack trace found in log, with request details.

Class Method Summary collapse

Class Method Details

.notification_address ⇒ Object 



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# File 'lib/harbor/exception_notifier.rb', line 23

def self.notification_address
  @@notification_address
rescue NameError
  raise "Harbor::ExceptionMailer.notification_address not set."
end

.notification_address=(address) ⇒ Object 



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# File 'lib/harbor/exception_notifier.rb', line 19

def self.notification_address=(address)
  @@notification_address = address
end

.notification_address? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/harbor/exception_notifier.rb', line 29

def self.notification_address?
  defined?(@@notification_address)
end

.notify(exception, request, response, trace) ⇒ Object 



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# File 'lib/harbor/exception_notifier.rb', line 33

def self.notify(exception, request, response, trace)
  return if request.environment == "development" 

  mailer = request.application.services.get("mailer")
  mailer.to = notification_address

  host = request.env["HTTP_X_FORWARDED_HOST"] || request.host
  mailer.from = "errors@#{host}"

  subject = exception.to_s

  # We can't have multi-line subjects, so we chop off extra lines
  if subject[$/]
    subject = subject.split($/, 2)[0] + "..."
  end

  mailer.subject = "[ERROR] [#{request.host}] [#{request.environment}] #{subject}"
  mailer.text = trace
  mailer.set_header("X-Priority", 1)
  mailer.set_header("X-MSMail-Priority", "High")
  mailer.send!
end