#293 Nginx & Unicorn pro

gem 'unicorn'

config.vm.forward_port "http", 80, 8080

# setup nginx
sudo apt-get install nginx
nginx -h
cat /etc/init.d/nginx
/etc/init.d/nginx -h
sudo service nginx start
cd /etc/nginx
less nginx.conf
cd sites-enabled
sudo rm default
sudo ln -s /vagrant/config/nginx.conf todo
sudo service nginx restart

# setup unicorn
cd /vagrant
bundle install
bundle exec unicorn -c config/unicorn.rb -D
chmod +x config/unicorn_init.sh
sudo ln -s /vagrant/config/unicorn_init.sh /etc/init.d/unicorn
bundle install --binstubs
sudo service unicorn restart

# rbenv binstubs fix
rbenv local 1.9.2-p290
sed -i 's/env ruby/env ruby-local-exec/' bin/*

upstream unicorn {
  server unix:/tmp/unicorn.todo.sock fail_timeout=0;
}

server {
  listen 80 default deferred;
  # server_name example.com;
  root /vagrant/public;
  try_files $uri/index.html $uri @unicorn;
  location @unicorn {
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Host $http_host;
    proxy_redirect off;
    proxy_pass http://unicorn;
  }
  
  error_page 500 502 503 504 /500.html;
  client_max_body_size 4G;
  keepalive_timeout 10;
}

working_directory "/vagrant"
pid "/vagrant/tmp/pids/unicorn.pid"
stderr_path "/vagrant/log/unicorn.log"
stdout_path "/vagrant/log/unicorn.log"

listen "/tmp/unicorn.todo.sock"
worker_processes 2
timeout 30

#!/bin/sh
set -e
# Example init script, this can be used with nginx, too,
# since nginx and unicorn accept the same signals

# Feel free to change any of the following variables for your app:
TIMEOUT=${TIMEOUT-60}
APP_ROOT=/vagrant
PID=$APP_ROOT/tmp/pids/unicorn.pid
CMD="$APP_ROOT/bin/unicorn -D -c $APP_ROOT/config/unicorn.rb -E production"
action="$1"
set -u

old_pid="$PID.oldbin"

cd $APP_ROOT || exit 1

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

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

case $action in
start)
        sig 0 && echo >&2 "Already running" && exit 0
        su -c "$CMD" - vagrant
        ;;
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 '$CMD' instead"
        su -c "$CMD" - vagrant
        ;;
upgrade)
        if sig USR2 && sleep 2 && sig 0 && oldsig QUIT
        then
                n=$TIMEOUT
                while test -s $old_pid && test $n -ge 0
                do
                        printf '.' && sleep 1 && n=$(( $n - 1 ))
                done
                echo

                if test $n -lt 0 && test -s $old_pid
                then
                        echo >&2 "$old_pid still exists after $TIMEOUT seconds"
                        exit 1
                fi
                exit 0
        fi
        echo >&2 "Couldn't upgrade, starting '$CMD' instead"
        su -c "$CMD" - vagrant
        ;;
reopen-logs)
        sig USR1
        ;;
*)
        echo >&2 "Usage: $0 <start|stop|restart|upgrade|force-stop|reopen-logs>"
        exit 1
        ;;
esac