Rakefile accompanying bit.ly/NvF4dD

Rakefile

require 'fileutils'

# specify key files
webroot = '/home/ubuntu/www'
srcroot = '/home/ubuntu/src'

# enumerate the LAMP domains
lamp_domains = {
    :example1 => 'example-1.com',
    :example2 => 'example-2.com',
    :example3 => 'example-3.com',
}


# ---------- Rake tasks begin here ---------- #
namespace :site do
    # metaprogram the rake tasks for each LAMP domain
    lamp_domains.each do |key, domain|

        # each lamp domain will have the following tasks created
        namespace key do
            # each lamp domain will have the following tasks created
            desc "Stages changes on the #{domain} development server."
            task :stage do
                # update the file structures
                puts "Staging changes to development server for #{domain}..."
                puts `cd #{srcroot}/#{domain}; git merge dev`
                puts "Complete."
            end

            desc "Deploys changes live to #{domain}."
            task :deploy do

                # update the file structures
                puts "Deploying changes to #{domain}..."
                # note: I don't actually have access to this code anymore (I wrote it for a previous employer),
                # but it looked something like this. The actual rsync options needed may vary slightly from
                # what I remember here, so YMMV.
                puts `rsync -av #{srcroot}/#{domain} #{webroot}/#{domain}`
                puts "Complete."
            end

            # clear the w3tc directory if it exists
            if File.exists?("/home/ubuntu/www/#{domain}/wp-content/w3tc")
                desc "Clears the site's W3 Total Cache files from the server."
                task :clear_w3tc_cache do
                    puts "Clearing #{webroot}/#{domain}/wp-content/w3tc/"
                    puts `rm -rfv #{webroot}/#{domain}/wp-content/w3tc/*`
                    puts "Done."
                end
            end
        end        
    end
end