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require "forwardable"
require "thread"
require "log4r"
require "vagrant/util/retryable"
require File.expand_path("../base", __FILE__)
module VagrantPlugins
module ProviderVirtualBox
module Driver
class Meta < Base
# This is raised if the VM is not found when initializing a driver
# with a UUID.
class VMNotFound < StandardError; end
# We use forwardable to do all our driver forwarding
extend Forwardable
# We cache the read VirtualBox version here once we have one,
# since during the execution of Vagrant, it likely doesn't change.
@@version = nil
@@version_lock = Mutex.new
# The UUID of the virtual machine we represent
attr_reader :uuid
# The version of virtualbox that is running.
attr_reader :version
include Vagrant::Util::Retryable
def initialize(uuid=nil)
# Setup the base
super()
@logger = Log4r::Logger.new("vagrant::provider::virtualbox::meta")
@uuid = uuid
@@version_lock.synchronize do
if !@@version
# Read and assign the version of VirtualBox we know which
# specific driver to instantiate.
begin
@@version = read_version
rescue Vagrant::Errors::CommandUnavailable,
Vagrant::Errors::CommandUnavailableWindows
# This means that VirtualBox was not found, so we raise this
# error here.
raise Vagrant::Errors::VirtualBoxNotDetected
end
end
end
# Instantiate the proper version driver for VirtualBox
@logger.debug("Finding driver for VirtualBox version: #{@@version}")
driver_map = {
"4.0" => Version_4_0,
"4.1" => Version_4_1,
"4.2" => Version_4_2,
"4.3" => Version_4_3,
"5.0" => Version_5_0,
"5.1" => Version_5_1,
"5.2" => Version_5_2,
"6.0" => Version_6_0,
"6.1" => Version_6_1,
"7.0" => Version_7_0,
}
if @@version.start_with?("4.2.14")
# VirtualBox 4.2.14 just doesn't work with Vagrant, so show error
raise Vagrant::Errors::VirtualBoxBrokenVersion040214
end
driver_klass = nil
driver_map.each do |key, klass|
if @@version.start_with?(key)
driver_klass = klass
break
end
end
if !driver_klass
supported_versions = driver_map.keys.sort.join(", ")
raise Vagrant::Errors::VirtualBoxInvalidVersion,
supported_versions: supported_versions
end
@logger.info("Using VirtualBox driver: #{driver_klass}")
@driver = driver_klass.new(@uuid)
@version = @@version
if @uuid
# Verify the VM exists, and if it doesn't, then don't worry
# about it (mark the UUID as nil)
raise VMNotFound if !@driver.vm_exists?(@uuid)
end
end
def_delegators :@driver,
:attach_disk,
:clear_forwarded_ports,
:clear_shared_folders,
:clone_disk,
:clonevm,
:close_medium,
:create_dhcp_server,
:create_disk,
:create_host_only_network,
:create_snapshot,
:delete,
:delete_snapshot,
:delete_unused_host_only_networks,
:discard_saved_state,
:enable_adapters,
:execute_command,
:export,
:forward_ports,
:get_port_and_device,
:get_storage_controller,
:halt,
:import,
:list_snapshots,
:list_hdds,
:read_forwarded_ports,
:read_bridged_interfaces,
:read_dhcp_servers,
:read_guest_additions_version,
:read_guest_ip,
:read_guest_property,
:read_host_only_interfaces,
:read_mac_address,
:read_mac_addresses,
:read_machine_folder,
:read_network_interfaces,
:read_state,
:read_storage_controllers,
:read_used_ports,
:read_vms,
:reconfig_host_only,
:remove_dhcp_server,
:remove_disk,
:resize_disk,
:restore_snapshot,
:resume,
:set_mac_address,
:set_name,
:share_folders,
:show_medium_info,
:ssh_port,
:start,
:suspend,
:vdi_to_vmdk,
:verify!,
:verify_image,
:vm_exists?,
:vmdk_to_vdi
protected
# This returns the version of VirtualBox that is running.
#
# @return [String]
def read_version
# The version string is usually in one of the following formats:
#
# * 4.1.8r1234
# * 4.1.8r1234_OSE
# * 4.1.8_MacPortsr1234
#
# Below accounts for all of these.
# Note: We split this into multiple lines because apparently "".split("_")
# is [], so we have to check for an empty array in between.
output = ""
retryable(on: Vagrant::Errors::VirtualBoxVersionEmpty, tries: 3, sleep: 1) do
output = execute("--version")
if output =~ /vboxdrv kernel module is not loaded/ ||
output =~ /VirtualBox kernel modules are not loaded/i
raise Vagrant::Errors::VirtualBoxKernelModuleNotLoaded
elsif output =~ /Please install/
# Check for installation incomplete warnings, for example:
# "WARNING: The character device /dev/vboxdrv does not
# exist. Please install the virtualbox-ose-dkms package and
# the appropriate headers, most likely linux-headers-generic."
raise Vagrant::Errors::VirtualBoxInstallIncomplete
elsif output.chomp == ""
# This seems to happen on Windows for uncertain reasons.
# Raise an error otherwise the error is that they have an
# incompatible version of VirtualBox which isn't true.
raise Vagrant::Errors::VirtualBoxVersionEmpty,
vboxmanage: @vboxmanage_path.to_s
end
end
parts = output.split("_")
return nil if parts.empty?
parts[0].split("r")[0]
end
end
end
end
end
|
