jweiss

#!/bin/sh

# packages CouchDB 0.10.0 on Ubuntu 9.04

export COUCHDB_ROOT=/vol/cr/couchdb

apt-get update
apt-get upgrade -y
apt-get install -y libmozjs-dev spidermonkey-bin libc6 libcurl3 libicu38 libicu-dev libmozjs0d erlang-nox build-essential curl libcurl4-openssl-dev erlang-dev checkinstall wget
cd /tmp

jweiss

<% memcache_servers = node[:scalarium][:roles][:memcached][:instances].values %>
<% memcache_server_ips = memcache_servers.map{|instance| instance[:private_ip]} %>
<% (['development', 'production'] + [@environment]).uniq.each do |env| -%>
<%= env %>:
  host: <%= @memcached[:host] %>
  hosts: <%= memcache_server_ips %>
  port: <%= @memcached[:port] %>

<% end -%>

jweiss

# /etc/security/limits.conf
*       soft    nofile  999999
*       hard    nofile  999999
root soft nofile 999999
root hard nofile 999999

===========================================================
# /etc/sysctl.conf
# sysctl for maximum tuning 

jweiss

#!/usr/bin/env ruby

require 'rubygems'
require 'net/http'
require 'eventmachine'
require 'benchmark'

5.times do
  puts "URI get: (%.3fs)" % [Benchmark.realtime{ Net::HTTP.get URI.parse('http://www.google.com') }]
end

jweiss

AWS OpsWorks & Chef: 

AWS OpsWorks runs Chef on thousands of customer systems every day. 
In this talk we will describe how we bundle and interact with Chef, 
highlight differences to Chef server, and summarize our experiences.

jweiss

 pgsql_server = node[:opsworks][:roles][:postgres][:instances].keys.first rescue nil
 pgsql_server_ip = node[:opsworks][:roles][:postgres][:instances][pqsql_server][:private_dns_name] rescue nil

jweiss

aws opsworks --region us-east-1 create-deployment --stack-id 935450cc-61e0-4b03-a3e0-160ac817d2bb --command "{\"Name\":\"deploy\", \"CustomJson\":{\"deploy\":{\"APPSHORTNAME\":{\"scm\":{\"revision\":\"MYBRANCHNAME\"}}}}}"


The JSON structure you want to pass should look like this:

{
  "deploy": {
    "MYAPPSHORTNAME": {
      "scm": {
        "revision": "MYGITBRANCH"

jweiss

redis_port = '6379'
redis_server = node[:opsworks][:layers][:redis][:instances].keys.first rescue nil

if redis_server
  node[:deploy].each do |app, config|
    template "#{node[:deploy][app][:deploy_to]}/current/config/redis.yml" do
      variables :ip => redis_server[:private_ip], :port => redis_port
      notifies :restart, resources(:service => 'tomcat')
      only_if do
        File.exists?("#{node[:deploy][app][:deploy_to]}/current/config/")

jweiss

{
  "opsworks" : {
    "ruby_version" : "2.1"
  }
}

jweiss

# ─── ZSH Prompt ───────────────────────────────────────────────────────────────
autoload -Uz vcs_info
setopt prompt_subst

# ── Git info ──────────────────────────────────────────────────────────────────
# Formats: branch name, with * for unstaged changes, + for staged
zstyle ':vcs_info:*'      enable git
zstyle ':vcs_info:git:*'  check-for-changes true
zstyle ':vcs_info:git:*'  unstagedstr        '*'
zstyle ':vcs_info:git:*'  stagedstr          '+'