git服务部署及capistrano部署完整教程20101220

生成远程git仓库

mlzboy@mlzboy:~$ mkdir -p git/b2c2.git

mlzboy@mlzboy:~$ cd git/b2c2.git/

mlzboy@mlzboy:~/git/b2c2.git$ git init --bare

Initialized empty Git repository in /home/mlzboy/git/b2c2.git/

生成ssh公钥

将生产服务器上的公钥,放到远程git仓库所在的服务器上

ssh-keygen -t rsa

一路回车

进入到cd ~/.ssh目录下

mlzboy@mlzboy-MacBook ~/.ssh $ ls

authorized_keys  id_rsa  id_rsa.pub  known_hosts

mlzboy@mlzboy-MacBook ~/.ssh $

将id_rsa.pub命名为authorized_keys上传到git仓库所在服务器的 ~/.ssh下

如果没有该目录,则可以使用ssh-keygen -t rsa创建

将本地库添加远程仓库

mlzboy@mlzboy-MacBook ~/my/b2c2 $ git remote add vm [email protected]:/home/mlzboy/git/b2c2.git

mlzboy@mlzboy-MacBook ~/my/b2c2 $ git push vm master

使用git remote -v查看当前库所有的远程仓库

reference: http://www.w3cnotes.com/index.php/archives/91

[email protected]'s password: 

Counting objects: 1363, done.

Delta compression using up to 2 threads.

Compressing objects: 100% (1286/1286), done.

Writing objects: 100% (1363/1363), 3.40 MiB | 5.15 MiB/s, done.

Total 1363 (delta 262), reused 0 (delta 0)

To [email protected]:/home/mlzboy/git/b2c2.git

 * [new branch]      master -> master

mlzboy@mlzboy-MacBook ~/my/b2c2 $ 

使用cap deploy:setup构建初始结构

在shared下创建config文件夹,将config下的database.yml和smtp_gmail.yml放到该config下

将public下system文件夹放到对应的shared/system中

执行cap deploy

注意要启动nginx,目录ubuntu下没有设为开机自动启动nginx

注意cap deploy:migrate执行的生产环境,所以建议还是上服务器上去使用rake db:migrate去执行

deploy.rb

#require 'capistrano/ext/multistage'

#require 'capistrano-helpers/php'

#require 'capistrano-helpers/shared'

#set :repository,  "/home/mlzboy/my/haha"

$:.unshift(File.expand_path('./lib', ENV['rvm_path'])) # Add RVM's lib directory to the load path.

require "rvm/capistrano"                  # Load RVM's capistrano plugin.

set :rvm_ruby_string, 'ruby-1.9.2-p0'        # Or whatever env you want it to run in.

set :rvm_type, :user

set :application, "b2c2"

set :ip,"192.168.1.103"

set :repository,  "#{ip}:/home/mlzboy/git/b2c2.git"

#set :repository,  "[email protected]:/geilibuy.git"

set :use_sudo, false

default_run_options[:pty] = true

#set :scm, :none

set :scm,:git

# Or: `accurev`, `bzr`, `cvs`, `darcs`, `git`, `mercurial`, `perforce`, `subversion` or `none`

#set :deploy_via, :copy

set :deploy_to, "/home/mlzboy/b2c2"

#set(:path) { Capistrano::CLI.ui.ask("Type a path to deploy: ") }

#set(:repository) { fetch(:path) }

set :user,"mlzboy"

#set :username,"mlzboy"

set :password,"zzzzzz"

role :web, ip                          # Your HTTP server, Apache/etc

role :app, ip                          # This may be the same as your `Web` server

role :db,  ip, :primary => true # This is where Rails migrations will run

#role :db,  "your slave db-server here"

# If you are using Passenger mod_rails uncomment this:

# if you're still using the script/reapear helper you will need

# these http://github.com/rails/irs_process_scripts

 namespace :deploy do

   task :start do ; end

   task :stop do ; end

   task :restart, :roles => :app, :except => { :no_release => true } do

     run "#{try_sudo} touch #{File.join(current_path,'tmp','restart.txt')}"

   end

 end

namespace :my_tasks do

  desc "Create database.yml and asset packages for staging"

  task :symlink, :roles => [:app] do

    symlink_hash = {

      "#{shared_path}/config/database.yml" => "#{release_path}/config/database.yml",

      "#{shared_path}/config/smtp_gmail.yml" => "#{release_path}/config/smtp_gmail.yml",

      #"#{shared_path}/system" => "#{release_path}/public/system",

      #"#{shared_path}/log" => "#{release_path}/log"

    }

    

    symlink_hash.each do |source, target|

      run "ln -snf #{source} #{target}"

    end

    #run "cd #{deploy_to}/current && bundle install vendor/gems"

    #run "cd #{deploy_to}/current && #{try_sudo} bundle install"

    #run "cd #{deploy_to}/current && rake db:migrate"

    

  end

end

namespace :bundler do

  task :create_symlink, :roles => :app do

    shared_dir = File.join(shared_path, 'bundle')

    release_dir = File.join(current_release, '.bundle')

    run("mkdir -p #{shared_dir} && ln -s #{shared_dir} #{release_dir}")

  end

 

  task :bundle_new_release, :roles => :app do

    bundler.create_symlink

    run "cd #{release_path} && bundle install --without test"

  end

end

 

after 'deploy:update_code', 'bundler:bundle_new_release'

after "deploy:update_code", "my_tasks:symlink"

 

#after :deploy, "deploy:restart"

#使用capistrano-helper还可以改进,不过使用这个gem目前还有依赖问题,有待研究

reference

http://www.mattvsworld.com/blog/2010/03/rails-3-bundler-capistrano/

nginx+passenger在实际部署时遇到,即使sudo kill pid也没办法删除假死的passenger,只有重启服务器,不知道该如何解决

如果想在capistrano中集中migrate功能,为保险起见一定要先执行完整备份mysql的操作,以免意外情况发生

20101221後續改進更新

加入nginx開始自啟動

sudo touch /etc/init.d/nginx

sudo vi /etc/init.d/nginx

#! /bin/sh
# Author: rui ding
# Modified: Geoffrey Grosenbach http://topfunky.com
# Modified: Clement NEDELCU
# Reproduced with express authorization from its contributors
set -e
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DESC="nginx daemon"
NAME=nginx
DAEMON=/usr/local/nginx/sbin/$NAME
SCRIPTNAME=/etc/init.d/$NAME


# If the daemon file is not found, terminate the script.
test -x $DAEMON || exit 0

d_start() {
  $DAEMON || echo -n " already running"
}

d_stop() {
  $DAEMON –s quit || echo -n " not running"
}

d_reload() {
  $DAEMON –s reload || echo -n " could not reload"
}

case "$1" in
  start)
    echo -n "Starting $DESC: $NAME"
    d_start
    echo "."
  ;;
  stop)
    echo -n "Stopping $DESC: $NAME"
    d_stop
    echo "."
  ;;
  reload)
    echo -n "Reloading $DESC configuration..."
    d_reload
    echo "reloaded."
  ;;
  restart)
  echo -n "Restarting $DESC: $NAME"
  d_stop
# Sleep for two seconds before starting again, this should give the
# Nginx daemon some time to perform a graceful stop.
  sleep 2
  d_start
  echo "."
  ;;
  *)
  echo "Usage: $SCRIPTNAME {start|stop|restart|reload}" >&2
  exit 3
  ;;
esac
exit 0

sudo chmod +x /etc/init.d/nginx

sudo update-rc.d nginx defaults

update-rc.d: warning: /etc/init.d/nginx missing LSB information

update-rc.d: see <http://wiki.debian.org/LSBInitScripts>

 Adding system startup for /etc/init.d/nginx ...

   /etc/rc0.d/K20nginx -> ../init.d/nginx

   /etc/rc1.d/K20nginx -> ../init.d/nginx

   /etc/rc6.d/K20nginx -> ../init.d/nginx

   /etc/rc2.d/S20nginx -> ../init.d/nginx

   /etc/rc3.d/S20nginx -> ../init.d/nginx

   /etc/rc4.d/S20nginx -> ../init.d/nginx

   /etc/rc5.d/S20nginx -> ../init.d/nginx

mlzboy@15-1688:~$ 

reference: http://www.thoughtrails.com/episodes/65-

cap remote_backup#备份远程库

cap sync:setup#生成sync文件夹在shared下

cap sync:up #将本地库同步到远程