Class: AktionCap::Tasks

Inherits:
Object
  • Object
show all
Includes:
Rake::DSL
Defined in:
lib/aktion_cap/tasks.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.install_tasks ⇒ Object 



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# File 'lib/aktion_cap/tasks.rb', line 8

def install_tasks
  new.install
end

Instance Method Details

#install ⇒ Object 



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# File 'lib/aktion_cap/tasks.rb', line 137

def install
  desc 'capify'
  task 'capify' do
    opts = prompts_for_capify
    Dir.mkdir('config/deploy') unless Dir.exists?('config/deploy')
    write_capfile
    write_config_deploy opts
    opts[:stages].each do |stage|
      write_stage_config_deploy(stage, opts)
      write_nginx(stage, opts)
    end
  end
end

#prompts_for_capify ⇒ Object 



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# File 'lib/aktion_cap/tasks.rb', line 13

def prompts_for_capify
  options = {}
  options[:application] = ask("Enter the application name: ") {|q| q.default = File.basename(Dir.pwd)}
  options[:scm] = ask("Enter type of version control: ") {|q| q.default = "git"}
  options[:repository] = ask("Enter the git repository to deploy from: ") do |q|
    if options[:scm] == 'git'
      q.default = `git config --local remote.origin.url`.strip
    end
  end
  options[:ssh_user] = ask("Enter the ssh username to deploy with: ") {|q| q.default = 'deployer'}
  options[:stages] = ask("Enter the deployment stages(separate with commas): ") {|q| q.default = 'production'}.split(',').map(&:to_sym)
  options[:stages].each do |stage|
    say("\nConfigure #{stage.to_s}:")
    options[stage] = {}
    options[stage][:server_hostname] = ask("  Enter the server hostname or IP: ") {|q| q.default = 'localhost'}
    options[stage][:server_port] = ask("  Enter the ssh port to connect to: ", Integer) do |q|
      if options[stage][:server_hostname] == 'localhost'
        q.default = '2222'
      else
        q.default = '22'
      end
    end
  end
  options
end

#write_capfile ⇒ Object 



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# File 'lib/aktion_cap/tasks.rb', line 39

def write_capfile
  File.open('Capfile', 'w') do |file|
    file << <<-FILE
load 'deploy'
load 'config/deploy'
    FILE
  end
end

#write_config_deploy(opts) ⇒ Object 



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# File 'lib/aktion_cap/tasks.rb', line 48

def write_config_deploy(opts)
  File.open('config/deploy.rb', 'w') do |file|
    file << <<-FILE
set :stages, %w(#{opts[:stages].map(&:to_s).join(' ')})

require 'capistrano/ext/multistage'
require 'bundler/capistrano'
require 'rvm/capistrano'
require './config/boot'
require 'aktion_cap/recipe/base'
require 'aktion_cap/recipe/database'
require 'aktion_cap/recipe/nginx'
require 'aktion_cap/recipe/unicorn'

ssh_options[:username] = '#{opts[:ssh_user]}'
ssh_options[:forward_agent] = true

set :application, '#{opts[:application]}'
set :repository, '#{opts[:repository]}'
set :scm, :#{opts[:scm]}
set :deploy_via, :remote_cache
set(:deploy_to) {"/var/www/\#{application}/\#{stage}"}
set :rvm_type, :user
set :use_sudo, false

set :shared_symlinks, %w(config/database.yml)
set :tasks_for_rake, %w(db:migrate)

after  'deploy:update_code',    'deploy:create_shared_symlinks'
before 'deploy:create_symlink', 'deploy:run_rake_tasks'
before 'deploy:restart',        'nginx:config'
after  'deploy',                'deploy:cleanup'
    FILE
  end
end

#write_nginx(stage, opts) ⇒ Object 



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# File 'lib/aktion_cap/tasks.rb', line 96

def write_nginx(stage, opts)
  File.open("config/nginx_#{stage.to_s}.conf", 'w') do |file|
    file << <<-FILE
upstream #{opts[:application]}_#{stage.to_s} {
  server unix:/tmp/unicorn-#{opts[:application]}_#{stage.to_s}.sock fail_timeout=0;
}

server {
  listen 80;

  server_name opts[stage][:server_hostname];

  root /var/www/#{opts[:application]}/#{stage.to_s}/current/public;
  access_log /var/log/nginx/#{opts[:application]}_#{stage.to_s}-access.log;
  error_log /var/log/nginx/#{opts[:application]}_#{stage.to_s}-error.log;

  location ~ ^/assets/ {
gzip_static on;
expires max;
add_header Cache-Control public;
  }

  location {
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header Host $http_host;
proxy_redirect off;

if (!-f $request_filename) {
  proxy_pass http://#{opts[:application]}_#{stage.to_s};
  break;
}
  }

  error_page 404 /404.html;
  error_page 500 502 503 504 /500.html;
}
    FILE
  end
end

#write_stage_config_deploy(stage, opts) ⇒ Object 



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# File 'lib/aktion_cap/tasks.rb', line 84

def write_stage_config_deploy(stage, opts)
  File.open("config/deploy/#{stage.to_s}.rb", 'w') do |file|
    file << <<-FILE
set :port, #{opts[stage][:server_port]}
set :server_hostname, '#{opts[stage][:server_hostname]}'
role :app, server_hostname
role :web, server_hostname
role :db,  server_hostname, primary: true
    FILE
  end
end