lib/vagrant-adam/action/pre_provision_script.rb
require 'log4r'
require 'shellwords'
require 'vagrant/util/downloader'
module VagrantPlugins
module Adam
module Action
# This action uploads then runs a given script on the Vagrant environment
class PreProvisionScript
def initialize(app, env)
@app = app
@logger =
Log4r::Logger.new('vagrantplugins::adam::action::preprovisionscript')
@machine = env[:machine]
@provision_script = find_provision_script
@machine.config.adam.finalize!
end
def call(env)
@app.call(env)
return unless @machine.communicate.ready? && provision_enabled?(env)
# Perform delayed validation
@machine.config.adam.validate!(@machine)
unless @provision_script.nil?
fetch_or_create_pre_provision_script(env)
run_provision_script(env)
recover(env)
end
end
private
def find_provision_script
config_provision_script_url || env_provision_url
end
def windows_guest?
@machine.config.vm.guest.eql?(:windows)
end
def config_provision_script_url
@machine.config.adam.provision_url
end
def env_provision_url
ENV['PRE_PROV_URL']
end
def provision_script_name
if windows_guest?
# No Windows Version yet
else
'prov_script.sh'
end
end
def provision_enabled?(env)
env.fetch(:provision_enabled, true)
end
#
# Upload provision script from Host's Vagrant TMP directory to guest
# and executes.
#
def run_provision_script(env)
@machine.communicate.tap do |comm|
comm.upload(@script_tmp_path, provision_script_name)
if windows_guest?
# Not sure yet...
else
provision_cmd = "sh #{provision_script_name}"
provision_cmd << ' 2>&1'
end
env[:ui].info(I18n.t('vagrant_adam.pre_provision_script_start'))
comm.sudo(provision_cmd) do |type, data|
if [:stderr, :stdout].include?(type)
env[:ui].info(data)
end
end
env[:ui].info(I18n.t('vagrant_adam.pre_provision_script_finish'))
end
end
#
# Fetches or creates a provision script to the Host's
# Vagrant TMP directory.
#
def fetch_or_create_pre_provision_script(env)
@script_tmp_path =
env[:tmp_path].join("#{Time.now.to_i}-#{provision_script_name}")
@logger.info("Generating provision script at: #{@script_tmp_path}")
url = @provision_script
if File.file?(url) || url !~ /^[a-z0-9]+:.*$/i
@logger.info('Assuming URL is a file.')
file_path = File.expand_path(url)
file_path = Vagrant::Util::Platform.cygwin_windows_path(file_path)
url = "file:#{file_path}"
end
# Download the provision script to a temporary path.
# We store the temporary path as an instance variable so that
# the `#recover` method can access it.
begin
if windows_guest?
# Not sure how to do this in Windows yet...
else
downloader = Vagrant::Util::Downloader.new(
url,
@script_tmp_path,
{}
)
downloader.download!
end
rescue Vagrant::Errors::DownloaderInterrupted
# The downloader was interrupted, so just return, because that
# means we were interrupted as well.
env[:ui].info(I18n.t('vagrant-adam.download.interrupted'))
return
end
end
def recover(env)
if @script_tmp_path && File.exist?(@script_tmp_path)
File.unlink(@script_tmp_path)
end
end
end
end
end
end