rails_apache_passenger_config

#################################
#
#  本清单基于 ubuntu 12.04，
#  下个 ubuntu 的 LTS
#  发出来后，会相应更新这里的内容。我的目标是按步执行可以零错误完成安装。
#  注意，本文件只是一个清单，不是一个可以安全执行的脚本
#
#################################

# create a linode,login as root, and create a common user for all the tasks
ssh root@the_ip_of_this_linode
adduser peter --ingroup sudo
su peter
cd # go to /home/peter


#################################
#
#  PART 1: 这一部分，和我在本地开发机器上搭建开发环境采用的步骤是完全一样的
#  我的开发机器也是 ubuntu 1204，一般我都喜欢保证本地开发环境和 server
#  上部署环境的高度一致。
#
#################################
                                 
echo "install ruby...."
sudo apt-get -y install git-core curl

# nice to add ~/.gitconfig before you run the rbenv-installer
# since the installer going to feach from git repos, without the config,
# trouble can happen.
curl -k https://gist.githubusercontent.com/luckyyang/6034718/raw/20798cadefb228166e51ec92190cb73cdf626ad6/gitconfig >>~/.gitconfig

echo  "now install rbenv..." # https://github.com/fesplugas/rbenv-installer
curl https://raw.githubusercontent.com/fesplugas/rbenv-installer/master/bin/rbenv-installer | bash

# add the block to the end of ~/.profile
export RBENV_ROOT="${HOME}/.rbenv"
if [ -d "${RBENV_ROOT}" ]; then
  export PATH="${RBENV_ROOT}/bin:${PATH}"
  eval "$(rbenv init -)"
fi

source ~/.profile

# I see libxslt1.1 libxml things installed here too, 
# that's why gems like nokogiri will produce no error installing
# If you are installing rbenv in Ubuntu you'll probably need to install some required packages. You can use the provided bootstrap scripts.

rbenv bootstrap-ubuntu-12-04         # this may require password

rbenv install 1.9.3-p125             # ruby的版本会影响后面/etc/apache2/http.conf中passenger的设置，
rbenv global 1.9.3-p125              # 而且不同的ruby版本所用的gem也不一样，因此要注意。
                                     # 如果切换了ruby版本，apache配置文件（/etc/apache2/http.conf）
                                     # 要更改，bundle install要重新做。


echo "install bundler..."
gem install bundler --no-ri --no-rdoc   #这样安装的gem是全局的，gemfile中安装的gem是为某个具体的项目使用的
rbenv rehash           #gem安装完之后要做一下rehash

echo "install rails ..."
gem install rails -v 3.2.8        # this is safer to put in a project's Gemfile

#################################
#
#  PART 2: 下面是 onestep 项目部署的具体内容
#  但是本部分的内容依然是服务器和开发机上步骤完全一样
#
#################################

# https://help.github.com/articles/generating-ssh-keys
# add ssh key to github, so that you can get a read-write happycasts repo clone
ssh-keygen -t rsa -C "your_email@example.com"

git clone git@github.com:happypeter/onestep.git

sudo apt-get install -y apache2 mysql-client mysql-server 
sudo apt-get install -y libmysqlclient-dev # for mysql2 gem
sudo apt-get install -y nodejs # so that I dont need to install therubyracer
cd onestep/
bundle

# for passenger
sudo apt-get install -y apache2-prefork-dev libcurl4-openssl-dev libaprutil1-dev
gem install passenger       #安装全局的passenger
rbenv rehash
passenger-install-apache2-module      #安装成功后会有一些提示，类似这样：
================================
The Apache 2 module was successfully installed.

Please edit your Apache configuration file, and add these lines:

   LoadModule passenger_module /home/ljy/.rbenv/versions/1.9.3-p125/lib/ruby/gems/1.9.1/gems/passenger-4.0.10/buildout/apache2/mod_passenger.so
   PassengerRoot /home/ljy/.rbenv/versions/1.9.3-p125/lib/ruby/gems/1.9.1/gems/passenger-4.0.10
   PassengerDefaultRuby /home/ljy/.rbenv/versions/1.9.3-p125/bin/ruby
===============================

把LoadModule开始的那3行放到下面的文件中的最上面（参考https://gist.github.com/luckyyang/6034797）：
sudo vim /etc/apache2/http.conf
# then add passenger lines and a virtualhost to http.conf（参考https://gist.github.com/luckyyang/6034797）

上面这2步做完了文件就类似于这样：

LoadModule passenger_module /home/ljy/.rbenv/versions/1.9.3-p125/lib/ruby/gems/1.9.1/gems/passenger-4.0.10/buildout/apache2/mod_passenger.so
PassengerRoot /home/ljy/.rbenv/versions/1.9.3-p125/lib/ruby/gems/1.9.1/gems/passenger-4.0.10
PassengerDefaultRuby /home/ljy/.rbenv/versions/1.9.3-p125/bin/ruby

<VirtualHost *:80>
   ServerName ok.com
   DocumentRoot /home/ljy/workspace/coursetimeline/public/
   RailsEnv development
   <Directory /home/ljy/workspace/coursetimeline/public/ >
      AllowOverride all
      Options -MultiViews
   </Directory>
</VirtualHost>

<VirtualHost *:80>
   ServerName onestep.com
   DocumentRoot /home/ljy/workspace/onestep/public/
   RailsEnv development
   <Directory /home/ljy/workspace/onestep/public/ >
      AllowOverride all
      Options -MultiViews
   </Directory>
</VirtualHost>

然后修改/etc/hosts与上面的ServerName对应起来:
sudo vi /etc/hosts， 添加下面两行：
127.0.1.1 ok.com
127.0.1.1 onestep.com

然后重启apache：
sudo apachectl graceful

# 如果之後你的Rails有任何修改要重新載入，但是並不想把Apache重開，
# 請在你的Rails應用程式目錄下執行touch tmp/restart.txt即可，
# 這樣Passenger就會知道要重新載入Rails，
# 而不需要重開Apache。（http://ihower.tw/rails3/deployment.html）


#################################
#
#  PART 3: 产品环境下的一些具体操作
#  和本地开发机器上有较大不同
#
#################################

cd config
cp database.example.yml database.yml # 并在其中添加数据库密码
bundle exec rake db:create RAILS_ENV=production # 这步为我们创建数据库，名为 onestep_production
touch tmp/restart.txt # need to create this for the first time, since tmp/ is in .gitignore


#################################
#
#  PART 4: 这一部分的内容一般我会放到一个脚本中，放在本地做一键部署
#  https://gist.github.com/happypeter/3634487
#
#################################

bundle exec rake db:migrate RAILS_ENV=production
bundle exec rake assets:precompile
mysql -uroot happycasts_production<happycasts_production.sql


#################################
#
#  PART 5:  完成了上面几步，happycasts 就已经可以在浏览器中运行了
#  但是一般我还会装一下一些工具
#
#################################

sudo apt-get install ffmpeg # happycasts need this to get the video duration 
sudo apt-get install tig tree ack-grep # make using git，vim things more comfortable on production server