Bootstrap CentOS 5.5 w/Ruby 1.9 and Chef

bootstrap.sh

#!/bin/bash

# bootstrap ruby1.9 on a fresh RHEL5.5/CentOS5.5
# installs chef and bundler as well
# warning: this script does NOT make you breakfast

#enable EPEL repo, some packages (i.e. ruby-mysql) depend on this
rpm -Uvh http://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-4.noarch.rpm

RUBY_19_VERSION="ruby-1.9.2-p180"
RUBY_19_SOURCE="http://ftp.ruby-lang.org/pub/ruby/1.9/$RUBY_19_VERSION.tar.gz"

echo "Install development tools"
yum groupinstall 'Development Tools' -y
yum install readline-devel -y
yum install openssl-devel -y

echo "Removing any prior Ruby sources (there shouldn't be any though)..."

if [ -f "/tmp/$RUBY_19_VERSION.tar.gz" ]
then
    echo "Ruby source already exists, removing..."
    rm -rf "/tmp/$RUBY_19_VERSION.tar.gz"
fi

if [ -f "/usr/local/src/$RUBY_19_VERSION" ]
then
    echo "Ruby source already exists, removing..."
    rm -rf "/usr/local/src/$RUBY_19_VERSION"
fi

echo "Downloading Ruby source"
cd /tmp
wget $RUBY_19_SOURCE
tar -xzf "$RUBY_19_VERSION.tar.gz" -C /usr/local/src/
cd "/usr/local/src/$RUBY_19_VERSION"


echo "Configuring and installing Ruby"
./configure && make
make install

# this may be done during the install, but doing it here
# just in case :)
echo "Configure zlib support to Ruby"
cd "/usr/local/src/$RUBY_19_VERSION/ext/zlib"
ruby extconf.rb
make && make install

echo "Updating rubygems"
gem update --system

echo "Installing chef client"
gem install chef

echo "Installing bundler"
gem install bundler

echo "You are now ready to be conquer the world!"