Class: Provisionator::Ec2Userdata

Inherits:
Object
  • Object
show all
Defined in:
lib/provisionator/ec2_userdata.rb

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Ec2Userdata

Returns a new instance of Ec2Userdata.



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# File 'lib/provisionator/ec2_userdata.rb', line 5

def initialize options={}
  [:app_name, :chef_node_definition, :chef_repo, :config_repo, :app_repo].each do |option|
    raise "option ':#{option}' is required" if options[option].nil?
  end

  options[:chef_solo_rb_path] ||= "/home/ubuntu/.#{options[:app_name]}/provision/chef/solo.rb"
  options[:chef_node_definition_base_file] ||= "/home/ubuntu/.#{options[:app_name]}/provision/chef/base.json"
  options[:chef_node_definition_file] ||= "/home/ubuntu/.#{options[:app_name]}/provision/chef/#{options[:chef_node_definition]}.json"
  options[:ruby_patch] ||= 'p195'
  options[:ebs_mount_paths] = ebs_mount_paths(options[:ebs_volumes]) if options[:ebs_volumes]
  options[:rails_env] ||= 'production'
  @options = options
end

Instance Method Details

#ebs_mount_paths(ebs_volumes) ⇒ Object 



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# File 'lib/provisionator/ec2_userdata.rb', line 20

def ebs_mount_paths ebs_volumes
  available_device_mappings = ("/dev/xvdf".."/dev/xvdp").to_a
  ebs_volumes.map do |ebs_volume|
    [available_device_mappings.shift, ebs_volume[:mount_location]]
  end
end

#render ⇒ Object 



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# File 'lib/provisionator/ec2_userdata.rb', line 27

def render
  ERB.new(template).result(binding)
end

#template ⇒ Object 



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# File 'lib/provisionator/ec2_userdata.rb', line 31

def template
"#!/bin/bash -xe\nexec > >(tee /var/log/user-data.log|logger -t user-data -s 2>/dev/console) 2>&1\n\n<% if @options[:ebs_mount_paths] %>\n  <% @options[:ebs_mount_paths].each do |device, mount_point| %>\nmkfs.ext4 <%= device %>\nmkdir -p -m 000 <%= mount_point %>\necho \"<%= device %> <%= mount_point %> auto noatime 0 0\" >> /etc/fstab\nmount <%= device %> <%= mount_point %>\n  <% end %>\n<% end %>\n\napt-get update\napt-get upgrade -y\nntpdate ntp.ubuntu.com\nexport LC_CTYPE=en_US.UTF-8\nexport LANG=en_US.UTF-8\nunset LC_ALL\n\necho \"StrictHostKeyChecking no\" >> /etc/ssh/ssh_config\necho \"UserKnownHostsFile=/dev/null\" >> /etc/ssh/ssh_config\necho \"gem: --no-ri --no-rdoc\" >> /etc/skel/.gemrc\necho \"gem: --no-ri --no-rdoc\" >> /root/.gemrc\necho \"gem: --no-ri --no-rdoc\" >> /home/ubuntu/.gemrc\necho \"gem: --no-ri --no-rdoc\" >> /etc/gemrc\n\n#install ruby\nRUBY_PATCH=<%= @options[:ruby_patch] %>\nfunction install_ruby {\n  apt-get -y install build-essential zlib1g-dev libssl-dev libreadline-dev libyaml-dev libcurl4-openssl-dev\n  cd /tmp\n  wget ftp://ftp.ruby-lang.org/pub/ruby/2.0/ruby-2.0.0-$RUBY_PATCH.tar.gz\n  tar -xvzf ruby-2.0.0-$RUBY_PATCH.tar.gz\n  cd ruby-2.0.0-$RUBY_PATCH/\n  ./configure --prefix=/usr/local\n  make\n  make install\n}\nruby -v | grep 2.0.0$RUBY_PATCH || install_ruby\n\n#install ruby 2.0 compatible version of chef\ncd /tmp\ncurl -o chef.tar.gz -L https://api.github.com/repos/opscode/chef/tarball/CHEF-3935\ntar -xvzf chef.tar.gz\ncd opscode-chef-634ad58\ngem build chef.gemspec\ngem install chef-11.4.0.gem\ngem install ruby-shadow\nmkdir -p /var/cache/chef\nchown ubuntu:ubuntu /var/cache/chef\n\napt-get install git-core -y\n\ngem install bundler\n\ncd /home/ubuntu\n\n<% if @options[:ssh_key] %>\n  mkdir -p /home/ubuntu/.ssh\n  echo \"<%= @options[:ssh_key] %>\" > /home/ubuntu/.ssh/id_rsa\n  chown -R ubuntu:ubuntu /home/ubuntu/.ssh\n  chmod 400 /home/ubuntu/.ssh/id_rsa\n<% end %>\n\nAPP_NAME=<%= @options[:app_name] %>\nAPP_PATH=<%= @options[:app_path] || \"/u/apps/\#{@options[:app_name]}\" %>\n\nsu ubuntu -c 'git clone <%= @options[:chef_repo] %> /home/ubuntu/.chef'\nsu ubuntu -c 'git clone <%= @options[:config_repo] %> /home/ubuntu/.config'\nsu ubuntu -c 'git clone <%= @options[:app_repo] %> /home/ubuntu/.<%= @options[:app_name] %>'\n\nln -s /home/ubuntu/.config/$APP_NAME/<%= @options[:rails_env] %>/app.sh /etc/profile.d/$APP_NAME.sh\n\n. /etc/profile.d/$APP_NAME.sh\n\nchef-solo -c <%= @options[:chef_solo_rb_path] %> -o recipe[base] -l debug\n\n<% unless @options[:no_release] %>\n  mkdir -p $APP_PATH $APP_PATH/releases $APP_PATH/shared $APP_PATH/shared/system $APP_PATH/shared/log $APP_PATH/shared/pids $APP_PATH/shared/sockets\n  chmod g+w $APP_PATH $APP_PATH/releases $APP_PATH/shared $APP_PATH/shared/system $APP_PATH/shared/log $APP_PATH/shared/pids $APP_PATH/shared/sockets\n  chown -R ubuntu:ubuntu /u/\n  su ubuntu -c \"git clone -q \#{@options[:app_repo]} $APP_PATH/shared/cached-copy\"\n  $(cd $APP_PATH/shared/cached-copy && APP_REVISION=$(git rev-parse HEAD))\n  cp -RPp $APP_PATH/shared/cached-copy $APP_PATH/releases/20130516070710\n  echo $APP_REVISION > $APP_PATH/releases/20130516070710/REVISION\n  ln -s $APP_PATH/releases/20130516070710 $APP_PATH/current\n  test -d $APP_PATH/current/log && rm -R $APP_PATH/current/log\n  ln -s $APP_PATH/shared/log $APP_PATH/current/log \n  mkdir $APP_PATH/current/tmp\n  ln -s $APP_PATH/shared/pids/ $APP_PATH/current/tmp/pids\n  bundle install --gemfile $APP_PATH/releases/20130516070710/Gemfile --path $APP_PATH/shared/bundle --deployment --without development test\n  chown -R ubuntu:ubuntu /u/\n<% end %>\n\necho <%= @options[:chef_node_definition] %> > /home/ubuntu/.chef_node_definition\nchown ubuntu:ubuntu /home/ubuntu/.chef_node_definition\nchef-solo -c <%= @options[:chef_solo_rb_path] %> -j <%= @options[:chef_node_definition_file] %> -l debug\n"
end