bootstrap.markdown

bootstrap script

• a la zachholman http://zachholman.com/talk/ruby-patterns/

• dependency checks

  • is mysql installed? (here's how to install it)
  • is redis running? (here's how to run it)

• bundler

  • bundle install --binstubs --local --path=vendor/gems --without=production

• db creation

  • rake db:create

• db migration

  • rake db:migrate

• db seeding

  • script/replicate-repo see rtomayko/replicate
  • e.g. script/replicate-repo holman/spark (clones issues, pull requests, users, git data, etc)

• asset / static page compilation

  • 404, 500

• language compilation

  • python, c, erlang...

• cache bootstrap results

  • Check if we need to bundle install Gemfile and assets

script

 md5 << File.read('Gemfile')
 checksum = md5.hexdigest
 installed = File.read('.bundle/checksum').strip

• We add script/cibuild to most projects. Lets us keep test config in the repository.

script

# set env vars
export RACK_ROOT=["..."]
export RACK_ENV="test"
# load gc ocnfig
# clean work dir
script/bootstrap
bin/rake

gh-setup

• apps: dropbox + homebrew + chrome + 1password + etc.
• dependencies: mysql + node + redis + riak + postgres + rbenv + etc.
• config: disk encryption + vpn + screen locks + etc.
• puppet

deploy locking (hubon + heaven)

• you push a branch
• ci starts a build
• build passes
• you deploy branch
• 'heaven' prevents deploy conflicts
• you merge branch
• 'heaven' unlocks deploys

Rakefile

gem 'rake', '=0.8.7'
require 'rake'
require 'rake/testtask'
require 'rake/rdoctask'

#TODO don't shell out quite as much
namespace :bootstrap do
  task :dev => ['bootstrap:copy_configs', 'bootstrap:bundle_gems', 'bootstrap:database'] do
    run_cmd "bundle exec rake db:test:prepare"
  end
  task :ci => ['bootstrap:copy_configs','bootstrap:bundle_gems_ci', 'bootstrap:database']
  #
  # task :dependency checks
  #
  task :bundle_gems do
    run_cmd "bundle"
  end
  task :bundle_gems_ci do
    run_cmd "bundle --without production --path=gems"
    # `bundle install --binstubs --local --path=vendor/gems --without=production`
  end
  task :copy_configs do
    run_cmd "cp #{Rails.root}/config/app_config.yml.default #{Rails.root}/config/app_config.yml"
    run_cmd "cp #{Rails.root}/config/database.yml.default #{Rails.root}/config/database.yml"
  end
  task :database => [:load_bundler, :environment] do
    # task :db creation
    #  * `rake db:create`
    # task :db migration
    #  * `rake db:migrate`
    # task :db seeding
    # * script/replicate-repo see [rtomayko/replicate](https://github.com/rtomayko/replicate)
    # * e.g. script/replicate-repo holman/spark (clones issues, pull requests, users, git data, etc)
    run_rake_task('db:setup')
  end
  task :load_bundler do
    require "bundler/setup"
    # Bundle.setup(:development,:test)
  end
  # * task: asset / static page compilation
  #   * 404, 500
  # * task: language compilation
  #   * python, c, erlang...
  # * task: cache bootstrap results
  #   * Check if we need to bundle install Gemfile and assets
  #
  #     md5 << File.read('Gemfile')
  #     checksum = md5.hexdigest
  #     installed = File.read('.bundle/checksum').strip
end

desc 'run ci build'
task :ci => ['bootstrap:ci'] do
  #  these don't work right now
  # run_rake_task('db:test:prepare')
  # run_rake_task('spec')
  # require 'rspec/core/rake_task'
  # RSpec::Core::RakeTask.new(:spec)
  # task :default  => :spec

  # * We add script/cibuild to most projects. Lets us keep test config in the repository.
  #
  #     # set env vars
  #     export RACK_ROOT=["..."]
  #     export RACK_ENV="test"
  #     # load gc ocnfig
  #     # clean work dir
  #     script/bootstrap
  #     bin/rake
  run_cmd "bundle exec rake db:test:prepare"
  run_cmd "bundle exec rspec"
end
def run_rake_task(task,*args)
  Rake::Task[task].invoke(*args)
end
def run_cmd(cmd)
  puts "Running\t#{cmd}"
  system cmd
end