rbenvとunicornでRedmineのRuby環境を分けて動かす

git clone git://github.com/sstephenson/rbenv.git ~/.rbenv
git clone git://github.com/sstephenson/ruby-build.git ~/.rbenv/plugins/ruby-build
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.profile
echo 'eval "$(rbenv init -)"' >> ~/.profile

rbenv install 1.9.3-p392
...

rbenv shell 1.9.3-p392
gem install bundler
rbenv rehash

git clone https://github.com/redmine/redmine redmine
cd redmine
git checkout -b release/2.3.0 2.3.0

rbenv local 1.9.3-p392
bundle install --without development test rmagick sqlite postgresql --path vendor/bundle

mysql -u root -p
create database redmine character set utf8;
create user 'redmine'@'localhost' identified by 'redmine';
grant all privileges on redmine.* to 'redmine'@'localhost';
exit;

cp -p config/database.yml.example config/database.yml

# mysql
production:
  adapter: mysql2
  database: redmine
  host: localhost
  username: redmine
  password: redmine
  encoding: utf8

cd /path/to/redmine
bundle exec rake generate_secret_token
RAILS_ENV=production bundle exec rake db:migrate
RAILS_ENV=production bundle exec rake redmine:load_default_data
mkdir tmp tmp/pdf public/plugin_assets

# This file is used by Rack-based servers to start the application.

require ::File.expand_path('../config/environment',  __FILE__)
#run RedmineApp::Application
if ENV['RAILS_RELATIVE_URL_ROOT']
  map ENV['RAILS_RELATIVE_URL_ROOT'] do
    run RedmineApp::Application
  end
else
  run RedmineApp::Application
end

cd /path/to/redmine
echo 'gem "unicorn"' >> Gemfile.local
bundle

cd /path/to/redmine
curl -o config/unicorn.rb https://raw.github.com/defunkt/unicorn/master/examples/unicorn.conf.rb

# See http://unicorn.bogomips.org/Unicorn/Configurator.html for complete
# documentation.

APP_PATH = File.expand_path('../../', __FILE__)

worker_processes 4

working_directory APP_PATH # available in 0.94.0+

listen "#{APP_PATH}/tmp/unicorn.sock", :backlog => 64

timeout 30

pid "#{APP_PATH}/tmp/unicorn.pid"

stderr_path "#{APP_PATH}/log/unicorn.stderr.log"
stdout_path "#{APP_PATH}/log/unicorn.stderr.log"

preload_app true
GC.respond_to?(:copy_on_write_friendly=) and
  GC.copy_on_write_friendly = true

check_client_connection false

before_fork do |server, worker|
  defined?(ActiveRecord::Base) and
    ActiveRecord::Base.connection.disconnect!
end

after_fork do |server, worker|
  defined?(ActiveRecord::Base) and
    ActiveRecord::Base.establish_connection
end

cd /path/to/redmine
bundle exec unicorn_rails -c config/unicorn.rb -E production --path /redmine

upstream redmine {
    server unix:/path/to/redmine/tmp/unicorn.sock;
}
server {
...
    location /redmine {
        root /path/to/redmine/public;
        if (-f $request_filename) { break; }
        proxy_set_header    X-Real-IP           $remote_addr;
        proxy_set_header    X-Forwarded-Host    $host;
        proxy_set_header    X-Forwarded-For     $proxy_add_x_forwarded_for;
        proxy_pass http://redmine;
    }
...
}

#! /bin/sh

### BEGIN INIT INFO
# Provides:          redmine
# Required-Start:    $all
# Required-Stop:     $network $local_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts the redmine web server
# Description:       starts redmine
### END INIT INFO

USER=username
APP_PATH=/path/to/redmine
RAILS_ENV=production
URI_PATH=/redmine

SET_PATH="cd $APP_PATH"
DAEMON="bundle exec unicorn_rails"
DAEMON_OPTS="-c $APP_PATH/config/unicorn.rb -E $RAILS_ENV -D --path $URI_PATH"
CMD="$SET_PATH; $DAEMON $DAEMON_OPTS"
NAME=redmine
DESC="Unicorn app for redmine"
PID="$APP_PATH/tmp/unicorn.pid"
OLD_PID="$PID.oldbin"

cd $APP_PATH || exit 1

sig () {
        test -s "$PID" && kill -$1 `cat $PID`
}

oldsig () {
        test -s $OLD_PID && kill -$1 `cat $OLD_PID`
}

case ${1-help} in
start)
        sig 0 && echo >&2 "Already running" && exit 0
        su - $USER -c "$CMD"
        ;;
stop)
        sig QUIT && exit 0
        echo >&2 "Not running"
        ;;
force-stop)
        sig TERM && exit 0
        echo >&2 "Not running"
        ;;
restart|reload)
        sig HUP && echo reloaded OK && exit 0
        echo >&2 "Couldn't reload, starting '$CMD' instead"
        su - $USER -c "$CMD"
        ;;
upgrade)
        sig USR2 && exit 0
        echo >&2 "Couldn't upgrade, starting '$CMD' instead"
        su - $USER -c "$CMD"
        ;;
rotate)
        sig USR1 && echo rotated logs OK && exit 0
        echo >&2 "Couldn't rotate logs" && exit 1
        ;;
*)
        echo >&2 "Usage: $0 <start|stop|restart|upgrade|rotate|force-stop>"
        exit 1
        ;;
esac

exit 0

sudo service redmine start
sudo update-rc.d redmine defaults