samg

module.exports = async message => {
  /* Custom resources have timeouts on the order of hours. If a resource fails
   * to deploy, we can look at the logs to at least be able to manually fail the
   * resource action so we can try again quickly. */
  const failureResponse = {
    Status: 'FAILED',
    Reason: 'Manually cancelled',
    PhysicalResourceId: message.PhysicalResourceId || 'resource',
    StackId: message.StackId,
    RequestId: message.RequestId,

samg

#!/bin/bash

# recompile all rbenv versions of ruby to avoid CVE-2013-6393 pwnage
# https://groups.google.com/forum/#!topic/rubysec-announce/3sx25iR7yHQ
#
# curl https://gist.github.com/samg/9098647/raw | bash

set -x
cd ~/.rbenv/plugins/ruby-build/
git pull

samg

module Earth
  extend self

  def meters_between_two_points(p1, p2)
    ( 6378.0 * Math.acos([
        Math.cos(p1.lat_in_radians) * Math.cos(p2.lat_in_radians) *
        Math.cos(p2.lng_in_radians - p1.lng_in_radians) +
        Math.sin(p1.lat_in_radians) * Math.sin(p2.lat_in_radians),
        1
    ].min)) * 1000

samg

Jerry D'Antonio


github.com/jdantonio (all code, slides, and notes in a repo on github)
@jerrydantonio

From Ohio

Works at a Ruby and Erlang shop.

samg

begin
  raise 'example'
rescue Exception => exception
  if defined? ::NewRelic
    ::NewRelic::Agent.notice_error(exception) 
  end
end

samg

#!/usr/bin/env sh

##
# This is script with useful tips taken from:
#   https://github.com/mathiasbynens/dotfiles/blob/master/.osx
#
# install it:
#   curl -sL https://raw.github.com/gist/2263406/osx.sh | sh
#

samg

puts "Try ^C, or any kill signal, but I'll survive."
puts "You're going to have to kill -9 me.  (Unlike other signals the kernal handles kill -9)"
loop do
  begin
    sleep 1e6
  rescue Exception => e
    puts "Caught #{[e.class.name, e].join}"
  end
end

samg

class SteelController < ActionController::Metal     
  include ActionController::Rendering                 
                                           
  def show
    render :text => { :data => 1 }.to_json           
  end                     
  include NewRelic::Agent::Instrumentation::ControllerInstrumentation     
  add_transaction_tracer :show     
            
end 

samg

require 'fileutils'

begin
  path_to_lock_file = '/tmp/lock.lock'
  File.new(path_to_lock_file, File::CREAT|File::EXCL) # raise if file already exits
  begin
    system *ARGV
  ensure
    FileUtils.rm path_to_lock_file
  end

samg

self.class.trace_execution_scoped(['External/servicename/all', 'External/allWeb']) do
  #your service call code here
end

# "External/allWeb" will cause the calls to be included in the 
# green "Web External" stripe of your response time graph.
# "External/servicename/all" will enable you to see specific 
# metrics in the "External services" tab, such as calls per minute and average call time.