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gns3-server/gns3server/modules/virtualbox/__init__.py

130 lines
4.7 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright (C) 2015 GNS3 Technologies Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
VirtualBox server module.
"""
import os
import sys
import shutil
import asyncio
import subprocess
import logging
log = logging.getLogger(__name__)
from ..base_manager import BaseManager
from .virtualbox_vm import VirtualBoxVM
from .virtualbox_error import VirtualBoxError
class VirtualBox(BaseManager):
_VM_CLASS = VirtualBoxVM
def __init__(self):
super().__init__()
self._vboxmanage_path = None
@property
def vboxmanage_path(self):
"""
Returns the path to VBoxManage.
:returns: path
"""
return self._vboxmanage_path
def find_vboxmanage(self):
# look for VBoxManage
vboxmanage_path = self.config.get_section_config("VirtualBox").get("vboxmanage_path")
if not vboxmanage_path:
if sys.platform.startswith("win"):
if "VBOX_INSTALL_PATH" in os.environ:
vboxmanage_path = os.path.join(os.environ["VBOX_INSTALL_PATH"], "VBoxManage.exe")
elif "VBOX_MSI_INSTALL_PATH" in os.environ:
vboxmanage_path = os.path.join(os.environ["VBOX_MSI_INSTALL_PATH"], "VBoxManage.exe")
elif sys.platform.startswith("darwin"):
vboxmanage_path = "/Applications/VirtualBox.app/Contents/MacOS/VBoxManage"
else:
vboxmanage_path = shutil.which("vboxmanage")
if not vboxmanage_path:
raise VirtualBoxError("Could not find VBoxManage")
if not os.path.isfile(vboxmanage_path):
raise VirtualBoxError("VBoxManage {} is not accessible".format(vboxmanage_path))
if not os.access(vboxmanage_path, os.X_OK):
raise VirtualBoxError("VBoxManage is not executable")
self._vboxmanage_path = vboxmanage_path
return vboxmanage_path
@asyncio.coroutine
def execute(self, subcommand, args, timeout=60):
vboxmanage_path = self.vboxmanage_path
if not vboxmanage_path:
vboxmanage_path = self.find_vboxmanage()
command = [vboxmanage_path, "--nologo", subcommand]
command.extend(args)
log.debug("Executing VBoxManage with command: {}".format(command))
try:
vbox_user = self.config.get_section_config("VirtualBox").get("vbox_user")
if vbox_user:
# TODO: test & review this part
sudo_command = "sudo -i -u {}".format(vbox_user) + " ".join(command)
process = yield from asyncio.create_subprocess_shell(sudo_command, stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE)
else:
process = yield from asyncio.create_subprocess_exec(*command, stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE)
except (OSError, subprocess.SubprocessError) as e:
raise VirtualBoxError("Could not execute VBoxManage: {}".format(e))
try:
stdout_data, stderr_data = yield from asyncio.wait_for(process.communicate(), timeout=timeout)
except asyncio.TimeoutError:
raise VirtualBoxError("VBoxManage has timed out after {} seconds!".format(timeout))
if process.returncode:
# only the first line of the output is useful
vboxmanage_error = stderr_data.decode("utf-8", errors="ignore")
log.warn("VBoxManage has returned an error: {}".format(vboxmanage_error))
raise VirtualBoxError(vboxmanage_error.splitlines()[0])
return stdout_data.decode("utf-8", errors="ignore").splitlines()
@asyncio.coroutine
def get_list(self):
"""
Gets VirtualBox VM list.
"""
vms = []
result = yield from self.execute("list", ["vms"])
for line in result:
vmname, _ = line.rsplit(' ', 1)
vmname = vmname.strip('"')
if vmname == "<inaccessible>":
continue # ignore inaccessible VMs
extra_data = yield from self.execute("getextradata", [vmname, "GNS3/Clone"])
if not extra_data[0].strip() == "Value: yes":
vms.append(vmname)
return vms