@@ -47,13 +47,17 @@ class InsideOutTest < Book::TestCase assert_select '.stderr', /crontab file updated/ end - section 3.1, 'rails' do + section 3.1, 'convert to rails' do assert_select '.stdout', /== CreateProducts: migrated/ assert_select '.stdout', '3 tests, 0 assertions, 0 failures, 3 errors' assert_select '.stdout', '3 tests, 12 assertions, 0 failures, 0 errors' assert_select '.stdout', '7 tests, 10 assertions, 0 failures, 0 errors' assert_select 'td', '24.95' assert_select 'input[value=/images/auto.jpg]' + end + + section 3.2, 'deploy rails' do + assert_select '.stderr', :text => /failed:/, :count => 0 assert_select 'tr:only-child' end end checkinout.rb @@ -31,13 +31,14 @@ set :branch, 'master' set :scm_verbose, true set :use_sudo, false -# task which causes Passenger to initiate a restart +# additional tasks namespace :deploy do - desc "Restarting Passenger" + desc 'Restarting Passenger' task :restart, :roles => :app do run "mkdir -p #{current_path}/tmp" run "touch #{current_path}/tmp/restart.txt" end end +# insert tasks into the deployment sequence after "deploy:symlink", "deploy:restart" data/capistrano/deploy.rb @@ -2,9 +2,9 @@ class Product < ActiveRecord::Base def self.import(source) if source =~ /^http:/ - input = Net::HTTP.get(URI.parse(uri)) + input = Net::HTTP.get(URI.parse(source)) else - input = File.open(source) + input = File.open(source) {|file| file.read} end REXML::Document.new(input).each_element('//product') do |xproduct| data/rails/product.rb @@ -21,7 +21,7 @@ class ProductTest < ActiveSupport::TestCase assert_equal 28.5, product.price end - def test_unit + test "Pragmatic Unit Testing" do product = Product.find_by_base_id(4) assert_equal 'Pragmatic Unit Testing (C#)', product.title assert_match /<p>\s+Pragmatic programmers use feedback/, product.description data/rails/product_test.rb @@ -135,7 +135,7 @@ section 2.1, 'Rack' do data[/()/,1] = read('rack/test_product_server.rb') end - desc 'Establish connection, use Builder, and send response.' + desc 'Code: Establish connection, use Builder, and send response.' edit 'product_server.rb' do |data| data[/()/,1] = read('rack/product_server.rb') end @@ -285,15 +285,15 @@ section 2.3, 'Whenever' do cmd 'whenever' edit 'config/deploy.rb' do |data| - data << "\n" + <<-'EOF'.unindent(6) - namespace :deploy do - desc "Update the crontab file" - task :update_crontab, :roles => :db do - run "cd #{release_path} && whenever --update-crontab #{application}" - end + data[/namespace :deploy.*?^()end/m,1] = "\n" + <<-'EOF'.unindent(4) + desc 'Update the crontab file' + task :update_crontab, :roles => :db do + run "cd #{current_path} && whenever --update-crontab #{application}" end + EOF - after "deploy:symlink", "deploy:update_crontab" + data[/^after "deploy:symlink", "deploy:restart"\n()/,1] = <<-EOF.unindent(6) + after "deploy:restart", "deploy:update_crontab" EOF end @@ -307,7 +307,7 @@ section 2.3, 'Whenever' do cmd 'cap deploy' end -section 3.1, 'Rails' do +section 3.1, 'Convert to Rails' do overview <<-EOF Taking a step back, we have done something real. It doesn't do much, but it didn't really take much code either. But the problems are starting @@ -375,40 +375,71 @@ section 3.1, 'Rails' do get '/products/1' get '/products/1/edit' get '/products/new' +end - desc 'Update whenever to use runner' +section 3.2, 'Deploy Rails' do + overview <<-EOF + Capistrano is understands Rails, but there are a few things you need + to be aware of. + EOF + desc 'Update whenever to use runner.' edit 'config/schedule.rb' do |data| - data[/(command.*)/,1] = "runner 'Product.import(\"http://#{HOST}/testdata.xml\")'" + data[/^(root =.*\s+)/,1] = '' + data[/(command.*load_products.*)/,1] = + "runner \"Product.import('http://#{HOST}/testdata.xml')\"" end - desc 'Tell Rails about the gem path' + desc 'Peek at the results.' + cmd 'whenever' + + desc 'Add GEM_HOME to environment.rb, migration tasks, and do cleanup.' edit 'config/deploy.rb' do |data| - data << "\n" + <<-'EOF'.unindent(6) - load 'ext/rails-database-migrations.rb' + data[/set :deploy_to.*\n()/,1] = <<-'EOF'.unindent(6) + set :gemhome, "/home/#{user}/.gems" + EOF + + data[/namespace :deploy.*?^()end/m,1] = "\n" + <<-'EOF'.unindent(4) + desc 'set db path outside of application directory' + task :set_db_path do + run "sed -i 's|db/production|#{deploy_to}/depot|' " + + "#{release_path}/config/database.yml" + end - set :gemhome, "/home/sa3ruby/.gemlocal" - task :after_deploy do - run "cp #{current_release}/config/environment.rb " + - "#{current_release}/config/environment.rb-" - run "echo ENV[\\'GEM_HOME\\']=\\'#{gemhome}\\' > " + - "#{current_release}/config/environment.rb" - run "echo ENV[\\'GEM_PATH\\']=\\'#{gemhome}\\' >> " + - "#{current_release}/config/environment.rb" - run "cat #{current_release}/config/environment.rb- >> " + - "#{current_release}/config/environment.rb" - run "rm #{current_release}/config/environment.rb-" - deploy::cleanup + desc 'set GEM_HOME in the environment' + task :set_gem_home do + run "sed -i '1iENV[%(GEM_HOME)]=%(#{gemhome})\\n' " + + "#{release_path}/config/environment.rb" end EOF + + data[/^(after "deploy:symlink", "deploy:restart"\n)/,1] = <<-EOF.unindent(6) + after "deploy:update_code", "deploy:set_db_path" + after "deploy:update_code", "deploy:set_gem_home" + after "deploy:symlink", "deploy:restart" + after "deploy:restart", "deploy:cleanup" + EOF + + data << "\n" + <<-EOF.unindent(6) + # Rails migration tasks + load 'ext/rails-database-migrations.rb' + EOF end + desc 'Tell git what file NOT to retain' + edit '.gitignore' do |data| + data << <<-EOF.unindent(6) + db/*.sqlite3 + log/*.log + tmp/**/* + EOF + end + desc 'Commit. Push. Deploy.' cmd 'git st' cmd 'git add .' cmd 'git commit -m "convert to Rails!"' cmd 'git push' cmd 'cap deploy:migrations' - cmd 'cap deploy' desc "See this live." get "http://#{HOST}/products" insideout.rb bb095bdf239ffe791f369c3fb9f78480e6f2a844 Sam Ruby rubys@intertwingly.net http://github.com/rubys/awdwr/commit/7fc0a0b9e17dec50fad2572adc2dca97d83e0729 7fc0a0b9e17dec50fad2572adc2dca97d83e0729 2009-07-11T09:38:00-07:00 2009-07-11T09:38:00-07:00 Split Rails chapter into two, and other cleanup 304583f9e50b42c02501ee7f62ea7011636359b5 Sam Ruby rubys@intertwingly.net