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Automating the Cloud Mat Schaffer CPOSC October 2012

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Our agenda • Me • You • Old cars • How Chef works • Setting up Chef • An Example deployment

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Mat Schaffer about.me/matschaffer

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(for hire)

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•Linux Sys Admin •PHP & Java •Ruby on Rails •DevOps

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You

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Automation & You

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Expensive ($2k-$3k) Hand made 12.5 hours

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$850 Heavily Automated 1.5 hours

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Many early car companies failed by 1930 https://en.wikipedia.org/wiki/List_of_defunct_United_States_automobile_manufacturers

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Continuous Delivery

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“... continuous delivery will move from being a competitive advantage to being a prerequisite for survival.” - Jez Humble

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Configuration Management

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Chef

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(Chef server) b my_cookbook $ chef-client $ chef-client my_cookbook my_cookbook $ chef-server my_cookbook ├── README.rdoc ├── attributes ├── definitions ├── files │ └── default ├── libraries ├── metadata.rb ├── providers ├── recipes │ └── default.rb ├── resources └── templates └── default

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cookbook role node environment

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Cookbook: mysql default['mysql']['memory'] = "32M" Role: db default_attributes 'mysql' => { 'memory' = "2G" } Environment: dev "mysql" : { "memory": "1G" } Node: db3.dev.mashion.net "mysql" : { "memory": "512M" }

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Step 1: Get a Chef server

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http://manage.opscode.com

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http://devops.mashion.net/chef-install

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Step 2: Set up your workstation

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wiki.opscode.com/display/ chef/Workstation+Setup

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Step 3: Make a cookbook

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Cookbooks?

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39 service 'nginx' do 40 action :start 41 end Recipes 1 default['nginx']['version'] = "1.2.3" 2 default['nginx']['dir'] = "/etc/nginx" Attributes 2 DAEMON=<%= @src_binary %> 3 NAME=nginx 4 DESC=nginx 5 PID=<%= @pid %> Templates

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http://community.opscode.com

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gem install berkshelf berks install

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github.com/matschaffer/ cposc-cloud

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git clone https://github.../matschaffer/cposc-cloud cd cposc-cloud gem install berkshelf berks install berks upload knife role from file roles/* # store cposc-cloud.pem to ./

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Step 4: Prepare a server

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gem install knife-ec2 # in ~/.chef/knife.rb knife[:aws_access_key_id] = "AKI..." knife[:aws_secret_access_key] = "wmw..." knife[:availability_zone] = "us-east-1d" knife[:image] = "ami-8fac75e6" knife[:aws_ssh_key_id] = "cposc-cloud" knife ec2 server create -x ubuntu -i cposc-cloud.pem \ -r 'recipe[cposc-cloud]' github.com/opscode/knife-ec2

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$ ntpdate pool.ntp.org C:\> w32tm /resync

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Wrap-UP • Automation can save your business • CM is a key part of your automation stack • You can get started today

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Thank you! about.me/matschaffer