Re-factored Apache cookbook

default.rb

#
# Cookbook Name:: apache
# Recipe:: default
#
# Copyright 2012, YOUR_COMPANY_NAME
#
# All rights reserved - Do Not Redistribute
#

package "apache2" do
  action :install
end

service "apache2" do
  action [ :start, :enable ]
end

execute "a2dissite default" do
  only_if do
    File.symlink?("/etc/apache2/sites-enabled/000-default")
  end
  notifies :restart, "service[apache2]"
end

node['apache']['sites'].each do |site_name, site_data|
  document_root = "/srv/apache/#{site_name}"

  template "/etc/apache2/sites-available/#{site_name}" do
    source "custom.erb"
    mode "0644"
    variables(
      :document_root => document_root,
      :port => site_data['port']
    )
    notifies :restart, "service[apache2]"
  end

  execute "a2ensite #{site_name}" do
    not_if do
      File.symlink?("/etc/apache2/sites-enabled/#{site_name}")
    end
    notifies :restart, "service[apache2]"
  end

  directory document_root do
    mode "0755"
    recursive true
  end

  template "#{document_root}/index.html" do
    source "index.html.erb"
    variables(
      :site_name => site_name,
      :port => site_data['port']
    )
    mode "0644"
  end
end

The references to File.symlink need to point to "#{site_name}.conf" in newer versions of ubuntu (see http://www.kublermdk.com/2013/11/13/apache-vhosts-broken-after-ubuntu-13-10-upgrade/)