ubuntu-node

#! /bin/env bash
# http://dpritchett.posterous.com/get-up-and-running-with-nodejs-on-your-own-am
# http://increaseyourgeek.wordpress.com/2010/08/18/install-node-js-without-using-sudo/
# http://fortnightlabs.posterous.com/

if [ -z $1 ]; then
  echo "ubuntu-node - easy node.js ubuntu server set up"
  echo "Usage: $0 project-name"
  exit
fi

export NODE_PROCESS="$1"
export AUTHORIZED_KEYS="$HOME/.ssh/authorized_keys"

sudo -E bash # login root

# install dependencies
apt-get update -y
apt-get install -y g++ curl libssl-dev apache2-utils git-core

# create the app user
mkdir /u
useradd -U -d /u/apps -s /bin/bash -m app

# set-up ssh
mkdir /u/apps/.ssh
cp $AUTHORIZED_KEYS /u/apps/.ssh/authorized_keys
chmod 0700 /u/apps/.ssh
chown -R app:app /u/apps/.ssh

# create the upstart script
cat <<END > /etc/init/$NODE_PROCESS.conf
description "$NODE_PROCESS"
author "visnup"

start on startup
stop on shutdown

script
  cd /u/apps/$NODE_PROCESS/current && exec sudo EXPRESS_ENV=production PORT=80 /u/apps/.nodelocal/bin/node /u/apps/$NODE_PROCESS/current/server.js 2>&1 >> /u/apps/$NODE_PROCESS/current/log/node.log
end script
END

# let the app user start / stop / restart the process
cat <<END >> /etc/sudoers
app     ALL=NOPASSWD: /sbin/restart $NODE_PROCESS
app     ALL=NOPASSWD: /sbin/stop $NODE_PROCESS
app     ALL=NOPASSWD: /sbin/start $NODE_PROCESS
END

exit # logout root

sudo su app # login app

cd ~

# setup space for node
mkdir /u/apps/.nodelocal
export PREFIX=/u/apps/.nodelocal
echo 'export PATH=/u/apps/.nodelocal/bin:${PATH}' >> ~/.bashrc

# install node latest
NODE_URL="http://nodejs.org/dist/"
NODE_VER=`curl -s $NODE_URL | grep gz | tail -1 | perl -ne 'print $1 if /(node.*?)\.tar\.gz/'`
wget "$NODE_URL$NODE_VER.tar.gz"
tar xzf "$NODE_VER.tar.gz"
cd "$NODE_VER"
./configure
make && make install

cd ~

# install npm
export PATH=/u/apps/.nodelocal/bin:${PATH}
curl http://npmjs.org/install.sh | sh

exit # logout app