bootstrap_chef.sh

#!/bin/bash
# Modified install.sh file from http://www.opinionatedprogrammer.com/2011/06/chef-solo-tutorial-managing-a-single-server-with-chef/
# This runs as root on the server

chef_binary=/usr/local/bin/chef-solo

# Are we on a vanilla system?
if ! test -f "$chef_binary"; then
    export DEBIAN_FRONTEND=noninteractive
    # Upgrade headlessly (this is only safe-ish on vanilla systems)
    aptitude update &&
    apt-get -o Dpkg::Options::="--force-confnew" \
        --force-yes -fuy dist-upgrade &&
    # Install Ruby, Chef and Berkshelf
    aptitude install -y ruby1.9.1 ruby1.9.1-dev make libxslt-dev libxml2-dev git &&
    sudo gem1.9.1 install --no-rdoc --no-ri chef --version 11.16.0 &&
    sudo gem1.9.1 install --no-rdoc --no-ri berkshelf --version 2.0.8 &&
    # Required for setting user's password
    sudo gem1.9.1 install --no-rdoc --no-ri ruby-shadow
fi