kirk

# rails_mongo_mapper.rb
# 
# Code borrowed from Kyle Banker (who borrowed from Ben Scofield) and Justin Henry
#
# To use:
#  rails project_name -m http://gist.github.com/gists/252053.txt

# Clear out stuff we won't use
run "rm README"
run "rm public/index.html"

kirk

#! /bin/sh
### BEGIN INIT INFO
# Provides:          mongodb
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Mongodb startup script
# Description:       Mongodb start stop daemon sends SIGINT to terminate
#                    say man signal to see details

# Please check the startup params and replication options

kirk

#!/bin/bash
# run with: curl -s http://gist.github.com/265272.txt | bash
set -e

localdir=$HOME/.mongodb
datadir=$localdir/data
conf=$localdir/mongod.conf
agentdir=$HOME/Library/LaunchAgents
agent=$agentdir/org.mongodb.mongod.plist

kirk

set daemon  60
set logfile syslog facility log_daemon
set mailserver localhost
set mail-format { from: [email protected] }
set alert root@localhost
set httpd port 2812 and
     allow admin:test
include /etc/monit.d/*

kirk

check process mongodb with pidfile /data/db/mongodb/mongod.lock 
  start program "/etc/init.d/mongodb start"
  stop program "/etc/init.d/mongodb stop"
  if failed port 27017 then restart
  if 5 restarts within 5 cycles then timeout

check process nginx with pidfile /opt/nginx/logs/nginx.pid
  start program = "/etc/init.d/nginx start"
  stop program  = "/etc/init.d/nginx stop"  
  if failed port 80 protocol HTTP request / then restart

kirk

Setup a Three Server HAPROXY/APACHE2 Setup

Demo Part One (Launch an Apache Server)

Start the demo by launching three EC2 instances then tell the audience that this will take about 3 minutes. Also explain that we not only starting the instances we are also bootstrapping it with the Chef client (Easy Peasy)...

./setupDemo.sh 

Sample Script

kirk

upstream example_backend {
  server unix:/var/www/example.com/shared/unicorn.sock;
}

server {
  listen 80;
  server_name example.com www.example.com;
  access_log off;
  error_log off;
  client_max_body_size 20M;

kirk

- (BOOL)stringContainsEmoji:(NSString *)string {
    __block BOOL returnValue = NO;
    [string enumerateSubstringsInRange:NSMakeRange(0, [string length]) options:NSStringEnumerationByComposedCharacterSequences usingBlock:
     ^(NSString *substring, NSRange substringRange, NSRange enclosingRange, BOOL *stop) {
         
         const unichar hs = [substring characterAtIndex:0];
         // surrogate pair
         if (0xd800 <= hs && hs <= 0xdbff) {
             if (substring.length > 1) {
                 const unichar ls = [substring characterAtIndex:1];