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Automating the Cloud Mat Schaffer, Code Camp 2012.1 – May, 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 •Ruby on Rails •Chef •Chef on Windows

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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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“Most tech companies are essentially American auto companies pre-Ford.” - Trotter Cashion 250 early car companies failed by 1930*

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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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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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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: Get some cookbooks

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Cookbooks?

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http://community.opscode.com

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gem install librarian librarian-chef install

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github.com/matschaffer/ automating-the-coud

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git clone https://github.../matschaffer/automat... cd automating-the-cloud librarian-chef install knife cookbook upload -a knife role from file .\roles\*

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Step 4: Prepare a server

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WinRM # Configure it winrm quickconfig -q # A chef run uses some memory, let it. winrm set winrm/config/winrs '@{MaxMemoryPerShellMB="300"}' # A chef run also takes some time, let it. winrm set winrm/config '@{MaxTimeoutms="1800000"}' # For dev/testing allow unencrypted basic auth winrm set winrm/config/service '@{AllowUnencrypted="true"}' winrm set winrm/config/service/auth '@{Basic="true"}'

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WinSSHD Cygwin FreeSSHd Or SSH

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gem install knife-windows knife bootstrap windows winrm $HOST -r “role[$ROLE]” \ -x Administrator -P $PASSWORD -N $NAME knife winrm -m $HOST -x Administrator -P $PASSWORD \ ‘chef-client -c c:/chef/client.rb’ knife bootstrap windows ssh $HOST -r “role[$ROLE]” \ -x Administrator -i $KEY -N $NAME knife ssh -m $HOST -x Administrator -i $KEY \ ‘chef-client -c c:/chef/client.rb’ github.com/opscode/knife-windows

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

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default_attributes iis: { accept_eula: true }

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knife bootstrap ... -N app1 # at least on EC2

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Wrap-UP • Automation can save your business • CM is a key part of your stack • You can get started today with AWS & OpsCode Chef

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Thank you Ask a question, get a prize? about.me/matschaffer Online evaluations!