rightscale nginx+passenger script

#!/bin/bash -e

if test "$RS_REBOOT" = "true" ; then
  echo "Skip HTTPD install on reboot."
  logger -t RightScale "Skip nginx install on reboot."
  service nginx start
  exit 0 # Leave with a smile ...
fi


########################################
# Install Passenger with an expect script
########################################
gem install passenger 

passenger-install-nginx-module --auto --auto-download --prefix=/opt/nginx

echo "Done installing passenger and nginx"


########################################
# Configure nginx
########################################

NGINX_CONFIG="/opt/nginx/conf/nginx.conf"

cat <<EOF > $NGINX_CONFIG
#user  nobody;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
  worker_connections  1024;
}


http {
  include       mime.types;
  default_type  application/octet-stream;
  passenger_root `passenger-config --root`;
  passenger_ruby /usr/bin/ruby;


  #log_format  main  '\$remote_addr - \$remote_user [\$time_local] \$request '
  #                  '"\$status" \\$body_bytes_sent "\\$http_referer" '
  #                  '"\$http_user_agent" "\$http_x_forwarded_for"';

  #access_log  logs/access.log  main;

  sendfile        on;
  #tcp_nopush     on;

  #keepalive_timeout  0;
  keepalive_timeout  65;

  #gzip  on;


  server {
    listen 80;
    server_name www.$WEB_PUBLIC_HOSTNAME $WEB_PUBLIC_HOSTNAME;
EOF
if [ $ENABLE_WWW_REDIRECTION ]; then
cat <<EOF >> $NGINX_CONFIG

  	if (\$host !~* www\.(.*)) {
    		rewrite ^(.*)\$ http://www.\$host\$1 permanent;
  	}
EOF
fi
cat <<EOF >> $NGINX_CONFIG

    root /home/rails/$APPLICATION/current/public;
    passenger_enabled on;

  }
EOF
if [ $SSL_CERT ]; then
cat <<EOF >> $NGINX_CONFIG
  # HTTPS server
  server {
    listen       443;
    server_name www.$WEB_PUBLIC_HOSTNAME $WEB_PUBLIC_HOSTNAME;

EOF
if [ $ENABLE_WWW_REDIRECTION ]; then
cat <<EOF >> $NGINX_CONFIG

    if (\$host !~* www\.(.*)) {
    	rewrite ^(.*)\$ https://www.\$host\$1 permanent;
    }
EOF
fi
cat <<EOF >> $NGINX_CONFIG


    ssl                  on;
    ssl_certificate      $SSL_CERT;
    ssl_certificate_key  $SSL_CERT_KEY;

    ssl_session_timeout  5m;

    ssl_protocols  SSLv2 SSLv3 TLSv1;
    ssl_ciphers  ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP;
    ssl_prefer_server_ciphers   on;

    root /home/rails/$APPLICATION/current/public;
    passenger_enabled on;

  }
EOF
fi
cat <<EOF >> $NGINX_CONFIG
}
EOF

#####################
# Start nginx
#####################

/opt/nginx/sbin/nginx