Elastic CI: Build AMI image for Elastic CI build slave

[sumbach]

• Set up CI slave SSH keypair
  • generate SSH keypair
  • add public key to relevance-ci GitHub account
  • install private key on build slave (as part of build process below)
• Enable CI master to SSH into CI slaves
  • install CI SSH public key in ~/.ssh/authorized_keys on build slave (as part of build process below)
• Automate build process for build slave AMI
  • install build prerequsites
    • JVM for jenkins
    • rvm and/or rbenv
    • rubies (1.9.2, 1.9.3, ree 1.8.7, check for particular patch levels...)
    • mysql (install and configure)
    • postgresql (install and configure)
    • sqlite3
    • redis
    • build-essential
    • git
    • curl
    • wget
    • libxslt-dev libxml2-dev (for nokogiri)
    • imagemagick imagemagick-dbg libmagickcore-dev libmagickwand-dev (for paperclip)
    • xvfb
    • firefox
    • tmux
    • vim
    • emacs
  • create jenkins account
  • configure firewall?
  • secure root and/or ubuntu user accounts
• Init Script for new slaves
  • grab current Chef cookbooks, etc
  • converge

Additional packages we MAY need for CI

• mongo
• memcached
• JVM for clojure
• maven stuff
• clojure stuff
• apache
• nginx
• gnupg
• libffi
• subversion

[sumbach]

Items that are out of scope for this card are covered elsewhere:

• https://github.com/relevance/flexo/blob/master/todo.md
• Elastic CI: Automate creation of build slave AMI #57 Automate creation of build slave AMI
• Elastic CI: Add smoke tests for new build slave #58 Add smoke tests for new build slave
• Elastic CI: Add Jenkins job to create fresh build slave AMI #59 Add Jenkins job to create fresh build slave AMI
• Elastic CI: Automatically generate, test, and bless build slave AMI #60 Automatically create, test, and bless build slave AMI
• Elastic CI: Automatically converge build slaves when they are provisioned #61 Automatically converge build slaves when they are provisioned