Rakefile with Chef upload_all and delete_all

gistfile1.rb

require 'rubygems'
require 'chef'
require 'fileutils'

TOPDIR = File.expand_path(File.dirname(__FILE__))

load 'chef/tasks/chef_repo.rake'

environments = FileList[File.join(TOPDIR, 'environments', '*.json')].exclude(File.join(TOPDIR, 'environments', '_default.json'))

desc "Update environments"
task :environments  => environments

environments.each do |fn|
  task fn do
    env = fn.pathmap('%f')
    system("knife environment from file #{env}")
  end
end

# The 'knife upload' command for roles only picks up .json files, so we need
# some custom handling.
rb_roles = FileList[File.join(TOPDIR, 'roles', '*.rb')]

desc "Update roles ending in .rb"
task :rb_roles  => rb_roles

rb_roles.each do |fn|
  task fn do
    system("knife role from file #{fn}")
  end
end

desc "Upload everything to the server"
task :upload_all => [ :environments, :rb_roles ] do
  system("knife upload cookbooks")
  system("knife upload roles")
  system("knife upload data_bags")
end

desc "Remove everything from the current organization"
task :delete_all do
  system('knife cookbook bulk delete "$" -y')
  system('knife role bulk delete "$" -y')
  system('for i in `knife data bag list`; do knife data bag delete $i -y; done')
  system('for i in `knife environment list|grep -v "_default"`; do knife environment delete $i -y; done')
end