Class: ExceptionNotifier::SlackNotifier

Inherits:
BaseNotifier show all
Includes:
BacktraceCleaner
Defined in:
lib/exception_notifier/slack_notifier.rb

Instance Attribute Summary collapse

Attributes inherited from BaseNotifier

#base_options

Instance Method Summary collapse

Methods included from BacktraceCleaner

#clean_backtrace

Methods inherited from BaseNotifier

#_post_callback, #_pre_callback, #send_notice

Constructor Details

#initialize(options) ⇒ SlackNotifier

Returns a new instance of SlackNotifier.



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# File 'lib/exception_notifier/slack_notifier.rb', line 7

def initialize(options)
  super
  begin
    @ignore_data_if = options[:ignore_data_if]

    webhook_url = options.fetch(:webhook_url)
    @message_opts = options.fetch(:additional_parameters, {})
    @notifier = Slack::Notifier.new webhook_url, options
  rescue
    @notifier = nil
  end
end

Instance Attribute Details

#notifier ⇒ Object

Returns the value of attribute notifier.



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# File 'lib/exception_notifier/slack_notifier.rb', line 5

def notifier
  @notifier
end

Instance Method Details

#call(exception, options = {}) ⇒ Object 



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# File 'lib/exception_notifier/slack_notifier.rb', line 20

def call(exception, options={})
  env = options[:env] || {}
  title = "#{env['REQUEST_METHOD']} <#{env['REQUEST_URI']}>"
  data = (env['exception_notifier.exception_data'] || {}).merge(options[:data] || {})
  text = "*An exception occurred while doing*: `#{title}`\n"

  clean_message = exception.message.gsub("`", "'")
  fields = [ { title: 'Exception', value: clean_message} ]

  fields.push({ title: 'Hostname', value: Socket.gethostname })

  if exception.backtrace
    formatted_backtrace = "```#{exception.backtrace.join("\n")}```"
    fields.push({ title: 'Backtrace', value: formatted_backtrace })
  end

  unless data.empty?
    deep_reject(data, @ignore_data_if) if @ignore_data_if.is_a?(Proc)
    data_string = data.map{|k,v| "#{k}: #{v}"}.join("\n")
    fields.push({ title: 'Data', value: "```#{data_string}```" })
  end

  fields.push({title: 'Request Params'}, value: options[:env]['action_dispatch.request.parameters'].to_s)
  fields.push({title: 'User Agent'}, value: options[:env]['HTTP_USER_AGENT'])
  fields.push({title: 'Remote IP'}, value: options[:env]['REMOTE_ADDR'])
  attchs = [color: 'danger', text: text, fields: fields, mrkdwn_in: %w(text fields)]

  if valid?
    send_notice(exception, options, clean_message, @message_opts.merge(attachments: attchs)) do |msg, message_opts|
      @notifier.ping '', message_opts
    end
  end
end