vagrant-cachier-ng/lib/vagrant-cachier/bucket.rb
2014-03-07 17:39:35 +01:00

100 lines
2.9 KiB
Ruby

module VagrantPlugins
module Cachier
class Bucket
def self.inherited(base)
@buckets ||= []
@buckets << base
end
def self.auto_detect(env)
@buckets.each do |bucket|
if env[:machine].guest.capability?(bucket.capability)
env[:machine].config.cache.enable bucket.bucket_name
end
end
end
def self.bucket_name
class_name = self.name.split('::').last
class_name.scan(/[A-Z][a-z]*/).map{|x| x.downcase}.join("_")
end
def self.install(name, env, configs)
bucket = const_get(name.to_s.split("_").map{|x| x.capitalize}.join(""))
bucket.new(name, env, configs).install
end
def initialize(name, env, configs)
@name = name
@env = env
@configs = configs
end
def machine
@env[:machine]
end
def guest
machine.guest
end
def comm
machine.communicate
end
# TODO: "merge" symlink and user_symlink methods
def symlink(guest_path, bucket_path = "/tmp/vagrant-cache/#{@name}", create_parent = true)
return if @env[:cache_dirs].include?(guest_path)
@env[:cache_dirs] << guest_path
comm.execute("mkdir -p #{bucket_path}")
unless symlink?(guest_path)
comm.sudo("mkdir -p `dirname #{guest_path}`") if create_parent
if empty_dir?(bucket_path) && !empty_dir?(guest_path)
# Warm up cache with guest machine data
comm.sudo("shopt -s dotglob && mv #{guest_path}/* #{bucket_path}")
end
comm.sudo("rm -rf #{guest_path}")
comm.sudo("ln -s #{bucket_path} #{guest_path}")
end
end
def user_symlink(guest_path)
return if @env[:cache_dirs].include?(guest_path)
@env[:cache_dirs] << guest_path
bucket_path = "/tmp/vagrant-cache/#{@name}"
comm.execute("mkdir -p #{bucket_path}")
unless symlink?(guest_path)
comm.execute("mkdir -p `dirname #{guest_path}`")
if empty_dir?(bucket_path) && !empty_dir?(guest_path)
# Warm up cache with guest machine data
comm.execute("shopt -s dotglob && mv #{guest_path}/* #{bucket_path}")
end
comm.execute("rm -rf #{guest_path}")
comm.execute("ln -s #{bucket_path} #{guest_path}")
end
end
def empty_dir?(path)
not comm.test("test \"$(ls -A #{path} 2>/dev/null)\"")
end
def symlink?(path)
comm.test("test -L #{path}")
end
end
end
end
require_relative "bucket/apt"
require_relative "bucket/chef"
require_relative "bucket/gem"
require_relative "bucket/pacman"
require_relative "bucket/yum"
require_relative "bucket/rvm"
require_relative "bucket/apt_cacher"
require_relative "bucket/apt_lists"
require_relative "bucket/composer"
require_relative "bucket/npm"
require_relative "bucket/zypper"