spurs.sh

#!/bin/bash

VERSION="0.0.1"

echo "================="
echo "Spurs v$VERSION"
echo "<gisikw@uwec.edu>"
echo "================="

if [ "$(id -u)" != "0" ]; then
  echo "Sorry, Spurs must be run as root."
  exit 1
fi

if ping -c 1 209.85.225.99 > /dev/null; then
  echo "Sorry, Spurs requires an internet connection"
  exit 1
fi

echo -n "Spurs: Updating repositories..."
  apt-get update
echo "done."

echo "Spurs: Installing required tools:"
echo -n "Spurs: wget..."
  apt-get install wget
echo "done."
echo -n "Spurs: ruby..."
  apt-get install ruby
echo "done."

echo -n "Spurs: Downloading Stallion..."
  wget http://gist.github.com/raw/359025/b88c71dcc1dc922962393abfc6a42f1036aaed20/stallion.rb -o stallion
  chmod +x stallion
echo "done."

echo "Spurs has completed. Please run Stallion."

stallion.rb

#!/usr/bin/env ruby

class Stallion
  VERSION = "0.0.1"

  LIBRARIES = {
    :build_libraries          => %w{build-essential},
    :mysql_and_ruby_libraries => %w{ruby ri rdoc mysql-server libmysql-ruby ruby1.8-dev irb1.8 libdbd-mysql-perl libdbi-perl libmysql-ruby1.8 libmysqlclient15off libnet-daemon-perl libplrpc-perl libreadline-ruby1.8 libruby1.8 mysql-client-5.0 mysql-common mysql-server-5.0 rdoc1.8 ri1.8 ruby1.8 irb libopenssl-ruby libopenssl-ruby1.8 libhtml-template-perl mysql-server-core-5.0}
  }

  @@tasks = {}

  class << self

    # DSL Definition

    def task(name,&block)
      unless @@latest_desc
        puts "Error: Must write a description for #{name} task"
      else
        @@tasks[name] = {:execute=>block,:description=>@@latest_desc}
        @@latest_desc = nil
      end
    end

    def desc(brief); @@latest_desc = brief; end
    def tasks; @@tasks; end

    def execute(command)
      if @@tasks[command]
        @@tasks[command][:execute].call
      else
        @@tasks[:help][:execute].call
      end
    end

    # Helper Methods

    def apt_get_install(library,prompt=nil)
      if prompt
        print "Stallion: Install aptitude package? (#{library}) y/N:"
        return unless %w{y yes}.include? gets.chomp.downcase
      end
      puts "Stallion: Installing package: (#{library})"
      abort "Failed to install package (#{library}). Stallion shamefully curls up and dies." unless system("sudo apt-get install #{library}")
      puts "Stallion: Installed package (#{library})"
    end

  end

  # Public Tasks
  
  desc "Displays usage information"
  task :help do
    execute :info
    puts "Available commands:"
    Stallion.tasks.sort{|a,b| a[0].to_s <=> b[0].to_s}.each do |task,params|
      puts task.to_s.gsub(/[^A-Za-z]/,":").ljust(20)+params[:description]
    end
  end
  
  desc "Display version information for Stallion"
  task :info do
    puts <<-END
=================================
Stallion v.#{VERSION}
<gisikw@uwec.edu>
=================================
    END
  end

  desc "Install all imaginable libraries deemed helpful for a Rails server"
  task :install do
    LIBRARIES.values.flatten.each{|x|apt_get_install x}
  end

  desc "Attempt to install all libraries - prompting the user each time"
  task :install_paranoid do
    LIBRARIES.values.flatten.each{|x|apt_get_install x, true}
  end

end

Stallion.execute(((x=ARGV.join("_").gsub(/[^A-Za-z]/,"_")).empty? ? "help" : x).to_sym)