地址： http://bbs.apiusage.com/read/297
1. Gemfile
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# Use unicorn as the app servergem 'unicorn' # Deploy with Capistranogem 'capistrano'gem 'capistrano-rails', '~> 1.1.0'gem 'capistrano-rvm', '~> 0.0.3' |
然后
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bundle install |
2. 初始化capistrano
在项目目录下
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cap install |
3. 修改Capfile
在项目跟目录下,修改Capfile
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# Load DSL and Setup Up Stagesrequire 'capistrano/setup' # Includes default deployment tasksrequire 'capistrano/deploy' # Includes tasks from other gems included in your Gemfile## For documentation on these, see for example:##require 'capistrano/rvm'# require 'capistrano/rbenv'# require 'capistrano/chruby'require 'capistrano/bundler'require 'capistrano/rails/assets'require 'capistrano/rails/migrations' #require 'capistrano/puma' # Loads custom tasks from `lib/capistrano/tasks' if you have any defined.Dir.glob('lib/capistrano/tasks/*.cap').each { |r| import r } |
主要添加了和capistrano相关的
4. 修改config/deploy/production.rb
主要是bushu de 服务器设置
示例如下
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set :stage, :production # Simple Role Syntax# ==================# Supports bulk-adding hosts to roles, the primary# server in each group is considered to be the first# unless any hosts have the primary property set.role :app, %w{wch@bbs.example.com}role :web, %w{wch@bbs.example.com}role :db, %w{wch@bbs.example.com} # Extended Server Syntax# ======================# This can be used to drop a more detailed server# definition into the server list. The second argument# something that quacks like a hash can be used to set# extended properties on the server.server 'bbs.example.com', user: 'wch', roles: %w{web}, port: 22229 # you can set custom ssh options# it's possible to pass any option but you need to keep in mind that net/ssh understand limited list of options# you can see them in [net/ssh documentation](http://net-ssh.github.io/net-ssh/classes/Net/SSH.html#method-c-start)# set it globally# set :ssh_options, {# keys: %w(/home/rlisowski/.ssh/id_rsa),# forward_agent: false,# auth_methods: %w(password)# }# and/or per server# server 'example.com',# user: 'user_name',# roles: %w{web app},# ssh_options: {# user: 'user_name', # overrides user setting above# keys: %w(/home/user_name/.ssh/id_rsa),# forward_agent: false,# auth_methods: %w(publickey password)# # password: 'please use keys'# }# setting per server overrides global ssh_options # fetch(:default_env).merge!(rails_env: :production) |
5. 修改部署配置文件deploy.rb
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set :application, 'bbs'set :repo_url, 'yourgiturl'set :branch, 'master'# ask :branch, proc { `git rev-parse --abbrev-ref HEAD`.chomp } set :deploy_to, '/app/www/bbs.example.com'set :scm, :git set :format, :prettyset :log_level, :debugset :pty, true # set :linked_files, %w{config/database.yml}# set :linked_dirs, %w{bin log tmp/pids tmp/cache tmp/sockets vendor/bundle public/system} # set :default_env, { path: "/opt/ruby/bin:$PATH" }set :keep_releases, 5 # rvm setting #set :rvm_type, :systemset :rvm_ruby_version, '1.9.3@ruby193rails3215' # for puma #set :puma_state, "#{shared_path}/tmp/pids/puma.state"#set :puma_pid, "#{shared_path}/tmp/pids/puma.pid"#set :puma_bind, "unix://#{shared_path}/tmp/sockets/puma.sock"#set :puma_conf, "#{shared_path}/config/puma.rb"#set :puma_access_log, "#{shared_path}/log/puma_error.log"#set :puma_error_log, "#{shared_path}/log/puma_access.log"#set :puma_role, :app#set :puma_env, fetch(:rack_env, fetch(:rails_env, 'production'))#set :puma_threads, [0, 16]#set :puma_workers, 2 # For RVM users, it is advisable to set in your deploy.rb for now :#set :puma_cmd, "#{fetch(:bundle_cmd, 'bundle')} exec puma"#set :pumactl_cmd, "#{fetch(:bundle_cmd, 'bundle')} exec pumactl" # For Jungle tasks, these options exist:# set :puma_jungle_conf, '/etc/puma.conf'# set :puma_run_path, '/usr/local/bin/run-puma' #before 'puma:status', 'rvm:hook'#before 'puma:start', 'rvm:hook'#before 'puma:restart', 'rvm:hook' desc 'make production database.yml link'task :symlink_db_yml do on roles(:app) do execute "ln -s #{shared_path}/config/database.yml #{release_path}/config/database.yml" endend namespace :deploy do set :unicorn_config, "#{current_path}/config/unicorn.rb" set :unicorn_pid, "#{shared_path}/tmp/pids/unicorn.pid" desc 'Restart application' task :restart do on roles(:app), in: :sequence, wait: 5 do # Your restart mechanism here, for example: # execute :touch, release_path.join('tmp/restart.txt') execute "if [ -f #{fetch(:unicorn_pid)} ]; then kill -USR2 `cat #{fetch(:unicorn_pid)}`; fi" end end desc 'stop application' task :stop do on roles(:app), in: :sequence, wait: 5 do execute "if [ -f #{fetch(:unicorn_pid)} ]; then kill -QUIT `cat #{fetch(:unicorn_pid)}`; fi" end end desc 'start application' task :start do on roles(:app), in: :sequence, wait: 5 do within "#{current_path}" do with rails_env: "production", bundle_gemfile: fetch(:bundle_gemfile) do execute :bundle, :exec, "unicorn_rails -c #{fetch(:unicorn_config)} -D" end end end end after :restart, :clear_cache do on roles(:web), in: :groups, limit: 3, wait: 10 do # Here we can do anything such as: # within release_path do # execute :rake, 'cache:clear' # end end end before 'start', 'rvm:hook' after :finishing, 'deploy:cleanup' after 'bundler:install', :symlink_db_ymlend |
unicorn 的启动 停止 和重启都在这个文件里配置, 这些都是capistrano3 版本的,2以前的版本这里不做描述
6. unicorn的配置文件
新建config/unicorn.rb
内容如下
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worker_processes 6 app_root = File.expand_path("../..", __FILE__)working_directory app_rootshared_root = "/app/www/bbs.example.com/shared" # Listen on fs socket for better performancelisten "#{shared_root}/tmp/unicorn.sock", :backlog => 64listen 4096, :tcp_nopush => false # Nuke workers after 30 seconds instead of 60 seconds (the default)timeout 30 # App PIDpid "#{shared_root}/tmp/pids/unicorn.pid" # By default, the Unicorn logger will write to stderr.# Additionally, some applications/frameworks log to stderr or stdout,# so prevent them from going to /dev/null when daemonized here:stderr_path "#{shared_root}/log/unicorn.stderr.log"stdout_path "#{shared_root}/log/unicorn.stdout.log" # To save some memory and improve performancepreload_app trueGC.respond_to?(:copy_on_write_friendly=) and GC.copy_on_write_friendly = true # Force the bundler gemfile environment variable to# reference the Сapistrano "current" symlinkbefore_exec do |_| ENV["BUNDLE_GEMFILE"] = File.join(app_root, 'Gemfile')end before_fork do |server, worker| # 使用USR2信号，以及在进程完成后用QUIT信号来实现无缝重启 old_pid = shared_root + '/tmp/pids/unicorn.pid.oldbin' if File.exists?(old_pid) && server.pid != old_pid begin Process.kill("QUIT", File.read(old_pid).to_i) rescue Errno::ENOENT, Errno::ESRCH # someone else did our job for us end end # the following is highly recomended for Rails + "preload_app true" # as there's no need for the master process to hold a connection defined?(ActiveRecord::Base) and ActiveRecord::Base.connection.disconnect!end after_fork do |server, worker| # 禁止GC，配合后续的OOB，来减少请求的执行时间 GC.disable # the following is *required* for Rails + "preload_app true", defined?(ActiveRecord::Base) and ActiveRecord::Base.establish_connectionend |
7. 项目部署
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cap production deploy |
8 启动和停止
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cap production deploy:startcap production deploy:stopcap production deploy:restart |
9. nginx
增加nginx配置文件
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upstream appname {} server { listen 80; server_name bbs.example.com; keepalive_timeout 5; root /app/www/bbs.example.com/current/public; #access_log /data/log/nginx/nginx.access.log; #error_log /data/log/nginx/nginx.error.log info; location / { proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; if (-f $request_filename) { break; } if (-f $request_filename/index.html) { rewrite (.*) $1/index.html break; } if (-f $request_filename.html) { rewrite (.*) $1.html break; } if (!-f $request_filename) { proxy_pass http://appname; break; } } location ~* .(ico|css|gif|jpe?g|png)(?[0-9]+)?$ { expires max; break; } location ~ ^/javascripts/.*.js(?[0-9]+)?$ { expires max; break; } # Error pages # error_page 500 502 503 504 /500.html; location = /500.html { root /data/apps/appname/current/public; }} |
10. 启动nginx
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service nginx start |
部署过程的服务器的rvm的安装配置等,没有包括