mirror of
https://github.com/GNS3/gns3-server
synced 2024-10-11 18:38:55 +00:00
985 lines
39 KiB
Python
985 lines
39 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2014 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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VirtualBox VM instance.
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"""
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import sys
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import os
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import shutil
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import tempfile
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import re
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import time
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import socket
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import subprocess
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from .pipe_proxy import PipeProxy
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from .virtualbox_error import VirtualBoxError
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from .adapters.ethernet_adapter import EthernetAdapter
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from ..attic import find_unused_port
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if sys.platform.startswith('win'):
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import msvcrt
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import win32file
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import logging
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log = logging.getLogger(__name__)
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class VirtualBoxVM(object):
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"""
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VirtualBox VM implementation.
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:param vboxwrapper client: VboxWrapperClient instance
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:param vboxmanager: VirtualBox manager from the VirtualBox API
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:param name: name of this VirtualBox VM
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:param vmname: name of this VirtualBox VM in VirtualBox itself
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:param working_dir: path to a working directory
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:param host: host/address to bind for console and UDP connections
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:param vbox_id: VirtalBox VM instance ID
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:param console: TCP console port
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:param console_start_port_range: TCP console port range start
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:param console_end_port_range: TCP console port range end
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"""
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_instances = []
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_allocated_console_ports = []
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def __init__(self,
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vboxwrapper,
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vboxmanager,
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name,
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vmname,
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working_dir,
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host="127.0.0.1",
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vbox_id=None,
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console=None,
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console_start_port_range=4512,
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console_end_port_range=5000):
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if not vbox_id:
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self._id = 0
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for identifier in range(1, 1024):
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if identifier not in self._instances:
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self._id = identifier
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self._instances.append(self._id)
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break
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if self._id == 0:
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raise VirtualBoxError("Maximum number of VirtualBox VM instances reached")
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else:
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if vbox_id in self._instances:
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raise VirtualBoxError("VirtualBox identifier {} is already used by another VirtualBox VM instance".format(vbox_id))
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self._id = vbox_id
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self._instances.append(self._id)
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self._name = name
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self._working_dir = None
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self._host = host
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self._command = []
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self._vboxwrapper = vboxwrapper
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self._started = False
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self._console_start_port_range = console_start_port_range
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self._console_end_port_range = console_end_port_range
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# Telnet to pipe mini-server
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self._serial_pipe_thread = None
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self._serial_pipe = None
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# VirtualBox API variables
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self._machine = None
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self._session = None
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self._vboxmanager = vboxmanager
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self._maximum_adapters = 0
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# VirtualBox settings
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self._console = console
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self._ethernet_adapters = []
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self._headless = False
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self._vmname = vmname
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self._adapter_type = "Automatic"
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working_dir_path = os.path.join(working_dir, "vbox", "vm-{}".format(self._id))
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if vbox_id and not os.path.isdir(working_dir_path):
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raise VirtualBoxError("Working directory {} doesn't exist".format(working_dir_path))
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# create the device own working directory
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self.working_dir = working_dir_path
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if not self._console:
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# allocate a console port
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try:
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self._console = find_unused_port(self._console_start_port_range,
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self._console_end_port_range,
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self._host,
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ignore_ports=self._allocated_console_ports)
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except Exception as e:
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raise VirtualBoxError(e)
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if self._console in self._allocated_console_ports:
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raise VirtualBoxError("Console port {} is already used by another VirtualBox VM".format(console))
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self._allocated_console_ports.append(self._console)
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if self._vboxwrapper:
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self._vboxwrapper.send('vbox create vbox "{}"'.format(self._name))
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self._vboxwrapper.send('vbox setattr "{}" image "{}"'.format(self._name, vmname))
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self._vboxwrapper.send('vbox setattr "{}" console {}'.format(self._name, self._console))
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self._vboxwrapper.send('vbox setattr "{}" console_support True'.format(self._name))
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self._vboxwrapper.send('vbox setattr "{}" console_telnet_server True'.format(self._name))
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else:
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try:
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self._machine = self._vboxmanager.vbox.findMachine(self._vmname)
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except Exception as e:
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raise VirtualBoxError("VirtualBox error: {}".format(e))
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# The maximum support network cards depends on the Chipset (PIIX3 or ICH9)
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self._maximum_adapters = self._vboxmanager.vbox.systemProperties.getMaxNetworkAdapters(self._machine.chipsetType)
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self.adapters = 2
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log.info("VirtualBox VM {name} [id={id}] has been created".format(name=self._name,
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id=self._id))
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def defaults(self):
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"""
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Returns all the default attribute values for this VirtualBox VM.
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:returns: default values (dictionary)
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"""
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vbox_defaults = {"name": self._name,
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"vmname": self._vmname,
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"adapters": len(self._ethernet_adapters),
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"adapter_type": "Automatic",
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"console": self._console,
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"headless": self._headless}
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return vbox_defaults
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@property
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def id(self):
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"""
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Returns the unique ID for this VirtualBox VM.
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:returns: id (integer)
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"""
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return self._id
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@classmethod
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def reset(cls):
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"""
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Resets allocated instance list.
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"""
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cls._instances.clear()
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cls._allocated_console_ports.clear()
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@property
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def name(self):
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"""
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Returns the name of this VirtualBox VM.
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:returns: name
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"""
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return self._name
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@name.setter
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def name(self, new_name):
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"""
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Sets the name of this VirtualBox VM.
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:param new_name: name
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"""
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log.info("VirtualBox VM {name} [id={id}]: renamed to {new_name}".format(name=self._name,
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id=self._id,
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new_name=new_name))
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if self._vboxwrapper:
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self._vboxwrapper.send('vbox rename "{}" "{}"'.format(self._name, new_name))
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self._name = new_name
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@property
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def working_dir(self):
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"""
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Returns current working directory
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:returns: path to the working directory
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"""
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return self._working_dir
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@working_dir.setter
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def working_dir(self, working_dir):
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"""
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Sets the working directory this VirtualBox VM.
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:param working_dir: path to the working directory
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"""
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try:
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os.makedirs(working_dir)
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except FileExistsError:
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pass
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except OSError as e:
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raise VirtualBoxError("Could not create working directory {}: {}".format(working_dir, e))
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self._working_dir = working_dir
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log.info("VirtualBox VM {name} [id={id}]: working directory changed to {wd}".format(name=self._name,
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id=self._id,
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wd=self._working_dir))
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@property
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def console(self):
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"""
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Returns the TCP console port.
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:returns: console port (integer)
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"""
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return self._console
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@console.setter
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def console(self, console):
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"""
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Sets the TCP console port.
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:param console: console port (integer)
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"""
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if console in self._allocated_console_ports:
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raise VirtualBoxError("Console port {} is already used by another VirtualBox VM".format(console))
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self._allocated_console_ports.remove(self._console)
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self._console = console
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self._allocated_console_ports.append(self._console)
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if self._vboxwrapper:
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self._vboxwrapper.send('vbox setattr "{}" console {}'.format(self._name, self._console))
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log.info("VirtualBox VM {name} [id={id}]: console port set to {port}".format(name=self._name,
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id=self._id,
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port=console))
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def delete(self):
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"""
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Deletes this VirtualBox VM.
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"""
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self.stop()
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if self._id in self._instances:
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self._instances.remove(self._id)
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if self.console and self.console in self._allocated_console_ports:
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self._allocated_console_ports.remove(self.console)
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if self._vboxwrapper:
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self._vboxwrapper.send('vbox delete "{}"'.format(self._name))
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log.info("VirtualBox VM {name} [id={id}] has been deleted".format(name=self._name,
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id=self._id))
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def clean_delete(self):
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"""
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Deletes this VirtualBox VM & all files.
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"""
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self.stop()
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if self._id in self._instances:
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self._instances.remove(self._id)
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if self.console:
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self._allocated_console_ports.remove(self.console)
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if self._vboxwrapper:
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self._vboxwrapper.send('vbox delete "{}"'.format(self._name))
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try:
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shutil.rmtree(self._working_dir)
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except OSError as e:
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log.error("could not delete VirtualBox VM {name} [id={id}]: {error}".format(name=self._name,
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id=self._id,
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error=e))
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return
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log.info("VirtualBox VM {name} [id={id}] has been deleted (including associated files)".format(name=self._name,
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id=self._id))
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@property
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def headless(self):
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"""
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Returns either the VM will start in headless mode
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:returns: boolean
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"""
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return self._headless
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@headless.setter
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def headless(self, headless):
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"""
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Sets either the VM will start in headless mode
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:param headless: boolean
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"""
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if headless:
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if self._vboxwrapper:
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self._vboxwrapper.send('vbox setattr "{}" headless_mode True'.format(self._name))
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log.info("VirtualBox VM {name} [id={id}] has enabled the headless mode".format(name=self._name, id=self._id))
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else:
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if self._vboxwrapper:
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self._vboxwrapper.send('vbox setattr "{}" headless_mode False'.format(self._name))
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log.info("VirtualBox VM {name} [id={id}] has disabled the headless mode".format(name=self._name, id=self._id))
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self._headless = headless
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@property
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def vmname(self):
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"""
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Returns the VM name associated with this VirtualBox VM.
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:returns: VirtualBox VM name
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"""
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return self._vmname
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@vmname.setter
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def vmname(self, vmname):
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"""
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Sets the VM name associated with this VirtualBox VM.
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:param vmname: VirtualBox VM name
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"""
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if self._vboxwrapper:
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self._vboxwrapper.send('vbox setattr "{}" image "{}"'.format(self._name, vmname))
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else:
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try:
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self._machine = self._vboxmanager.vbox.findMachine(vmname)
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except Exception as e:
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raise VirtualBoxError("VirtualBox error: {}".format(e))
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# The maximum support network cards depends on the Chipset (PIIX3 or ICH9)
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self._maximum_adapters = self._vboxmanager.vbox.systemProperties.getMaxNetworkAdapters(self._machine.chipsetType)
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log.info("VirtualBox VM {name} [id={id}] has set the VM name to {vmname}".format(name=self._name, id=self._id, vmname=vmname))
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self._vmname = vmname
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@property
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def adapters(self):
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"""
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Returns the number of Ethernet adapters for this VirtualBox VM instance.
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:returns: number of adapters
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"""
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return len(self._ethernet_adapters)
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@adapters.setter
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def adapters(self, adapters):
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"""
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Sets the number of Ethernet adapters for this VirtualBox VM instance.
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:param adapters: number of adapters
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"""
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self._ethernet_adapters.clear()
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for _ in range(0, adapters):
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self._ethernet_adapters.append(EthernetAdapter())
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if self._vboxwrapper:
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self._vboxwrapper.send('vbox setattr "{}" nics {}'.format(self._name, len(self._ethernet_adapters)))
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log.info("VirtualBox VM {name} [id={id}]: number of Ethernet adapters changed to {adapters}".format(name=self._name,
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id=self._id,
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adapters=len(self._ethernet_adapters)))
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@property
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def adapter_type(self):
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"""
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Returns the adapter type for this VirtualBox VM instance.
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:returns: adapter type (string)
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"""
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return self._adapter_type
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@adapter_type.setter
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def adapter_type(self, adapter_type):
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"""
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Sets the adapter type for this VirtualBox VM instance.
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:param adapter_type: adapter type (string)
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"""
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self._adapter_type = adapter_type
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if self._vboxwrapper:
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self._vboxwrapper.send('vbox setattr "{}" netcard "{}"'.format(self._name, adapter_type))
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log.info("VirtualBox VM {name} [id={id}]: adapter type changed to {adapter_type}".format(name=self._name,
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id=self._id,
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adapter_type=adapter_type))
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def start(self):
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"""
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Starts this VirtualBox VM.
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"""
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if self._vboxwrapper:
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status = int(self._vboxwrapper.send('vbox status "{}"'.format(self._name))[0])
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if status == 6: # paused
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self.resume()
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return
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self._vboxwrapper.send('vbox start "{}"'.format(self._name))
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else:
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if self._machine.state == self._vboxmanager.constants.MachineState_Paused:
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self.resume()
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return
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self._get_session()
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self._set_network_options()
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self._set_console_options()
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progress = self._launch_vm_process()
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log.info("VM is starting with {}% completed".format(progress.percent))
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if progress.percent != 100:
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# This will happen if you attempt to start VirtualBox with unloaded "vboxdrv" module.
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# or have too little RAM or damaged vHDD, or connected to non-existent network.
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# We must unlock machine, otherwise it locks the VirtualBox Manager GUI. (on Linux hosts)
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self._unlock_machine()
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raise VirtualBoxError("Unable to start the VM (failed at {}%)".format(progress.percent))
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try:
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self._machine.setGuestPropertyValue("NameInGNS3", self._name)
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except Exception:
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pass
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# starts the Telnet to pipe thread
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pipe_name = self._get_pipe_name()
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if sys.platform.startswith('win'):
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try:
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self._serial_pipe = open(pipe_name, "a+b")
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except OSError as e:
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raise VirtualBoxError("Could not open the pipe {}: {}".format(pipe_name, e))
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self._serial_pipe_thread = PipeProxy(self._vmname, msvcrt.get_osfhandle(self._serial_pipe.fileno()), self._host, self._console)
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#self._serial_pipe_thread.setDaemon(True)
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self._serial_pipe_thread.start()
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else:
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try:
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self._serial_pipe = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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self._serial_pipe.connect(pipe_name)
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except OSError as e:
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raise VirtualBoxError("Could not connect to the pipe {}: {}".format(pipe_name, e))
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self._serial_pipe_thread = PipeProxy(self._vmname, self._serial_pipe, self._host, self._console)
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#self._serial_pipe_thread.setDaemon(True)
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self._serial_pipe_thread.start()
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def stop(self):
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"""
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Stops this VirtualBox VM.
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"""
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if self._vboxwrapper:
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self._vboxwrapper.send('vbox stop "{}"'.format(self._name))
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else:
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if self._serial_pipe_thread:
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self._serial_pipe_thread.stop()
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self._serial_pipe_thread.join(1)
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if self._serial_pipe_thread.isAlive():
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log.warn("Serial pire thread is still alive!")
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self._serial_pipe_thread = None
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if self._serial_pipe:
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if sys.platform.startswith('win'):
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win32file.CloseHandle(msvcrt.get_osfhandle(self._serial_pipe.fileno()))
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else:
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self._serial_pipe.close()
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self._serial_pipe = None
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try:
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if sys.platform.startswith('win') and "VBOX_INSTALL_PATH" in os.environ:
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# work around VirtualBox bug #9239
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vboxmanage_path = os.path.join(os.environ["VBOX_INSTALL_PATH"], "VBoxManage.exe")
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command = '"{}" controlvm "{}" poweroff'.format(vboxmanage_path, self._vmname)
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subprocess.call(command, timeout=3)
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else:
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progress = self._session.console.powerDown()
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# wait for VM to actually go down
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progress.waitForCompletion(3000)
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log.info("VM is stopping with {}% completed".format(self.vmname, progress.percent))
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self._lock_machine()
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for adapter_id in range(0, len(self._ethernet_adapters)):
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self._disable_adapter(adapter_id, disable=True)
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self._session.machine.saveSettings()
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self._unlock_machine()
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except Exception as e:
|
|
# Do not crash "vboxwrapper", if stopping VM fails.
|
|
# But return True anyway, so VM state in GNS3 can become "stopped"
|
|
# This can happen, if user manually kills VBox VM.
|
|
log.warn("could not stop VM for {}: {}".format(self._vmname, e))
|
|
return
|
|
|
|
def suspend(self):
|
|
"""
|
|
Suspends this VirtualBox VM.
|
|
"""
|
|
|
|
if self._vboxwrapper:
|
|
self._vboxwrapper.send('vbox suspend "{}"'.format(self._name))
|
|
else:
|
|
try:
|
|
self._session.console.pause()
|
|
except Exception as e:
|
|
raise VirtualBoxError("VirtualBox error: {}".format(e))
|
|
|
|
def reload(self):
|
|
"""
|
|
Reloads this VirtualBox VM.
|
|
"""
|
|
|
|
if self._vboxwrapper:
|
|
self._vboxwrapper.send('vbox reset "{}"'.format(self._name))
|
|
else:
|
|
try:
|
|
progress = self._session.console.reset()
|
|
progress.waitForCompletion(-1)
|
|
except Exception as e:
|
|
raise VirtualBoxError("VirtualBox error: {}".format(e))
|
|
|
|
def resume(self):
|
|
"""
|
|
Resumes this VirtualBox VM.
|
|
"""
|
|
|
|
if self._vboxwrapper:
|
|
self._vboxwrapper.send('vbox resume "{}"'.format(self._name))
|
|
else:
|
|
try:
|
|
self._session.console.resume()
|
|
except Exception as e:
|
|
raise VirtualBoxError("VirtualBox error: {}".format(e))
|
|
|
|
def port_add_nio_binding(self, adapter_id, nio):
|
|
"""
|
|
Adds a port NIO binding.
|
|
|
|
:param adapter_id: adapter ID
|
|
:param nio: NIO instance to add to the slot/port
|
|
"""
|
|
|
|
try:
|
|
adapter = self._ethernet_adapters[adapter_id]
|
|
except IndexError:
|
|
raise VirtualBoxError("Adapter {adapter_id} doesn't exist on VirtualBox VM {name}".format(name=self._name,
|
|
adapter_id=adapter_id))
|
|
|
|
if self._vboxwrapper:
|
|
self._vboxwrapper.send('vbox create_udp "{}" {} {} {} {}'.format(self._name,
|
|
adapter_id,
|
|
nio.lport,
|
|
nio.rhost,
|
|
nio.rport))
|
|
else:
|
|
self._create_udp(adapter_id, nio.lport, nio.rhost, nio.rport)
|
|
|
|
adapter.add_nio(0, nio)
|
|
log.info("VirtualBox VM {name} [id={id}]: {nio} added to adapter {adapter_id}".format(name=self._name,
|
|
id=self._id,
|
|
nio=nio,
|
|
adapter_id=adapter_id))
|
|
|
|
def port_remove_nio_binding(self, adapter_id):
|
|
"""
|
|
Removes a port NIO binding.
|
|
|
|
:param adapter_id: adapter ID
|
|
|
|
:returns: NIO instance
|
|
"""
|
|
|
|
try:
|
|
adapter = self._ethernet_adapters[adapter_id]
|
|
except IndexError:
|
|
raise VirtualBoxError("Adapter {adapter_id} doesn't exist on VirtualBox VM {name}".format(name=self._name,
|
|
adapter_id=adapter_id))
|
|
|
|
if self._vboxwrapper:
|
|
self._vboxwrapper.send('vbox delete_udp "{}" {}'.format(self._name,
|
|
adapter_id))
|
|
else:
|
|
self._delete_udp(adapter_id)
|
|
|
|
nio = adapter.get_nio(0)
|
|
adapter.remove_nio(0)
|
|
log.info("VirtualBox VM {name} [id={id}]: {nio} removed from adapter {adapter_id}".format(name=self._name,
|
|
id=self._id,
|
|
nio=nio,
|
|
adapter_id=adapter_id))
|
|
return nio
|
|
|
|
def start_capture(self, adapter_id, output_file):
|
|
"""
|
|
Starts a packet capture.
|
|
|
|
:param adapter_id: adapter ID
|
|
:param output_file: PCAP destination file for the capture
|
|
"""
|
|
|
|
try:
|
|
adapter = self._ethernet_adapters[adapter_id]
|
|
except IndexError:
|
|
raise VirtualBoxError("Adapter {adapter_id} doesn't exist on VirtualBox VM {name}".format(name=self._name,
|
|
adapter_id=adapter_id))
|
|
|
|
nio = adapter.get_nio(0)
|
|
if nio.capturing:
|
|
raise VirtualBoxError("Packet capture is already activated on adapter {adapter_id}".format(adapter_id=adapter_id))
|
|
|
|
try:
|
|
os.makedirs(os.path.dirname(output_file))
|
|
except FileExistsError:
|
|
pass
|
|
except OSError as e:
|
|
raise VirtualBoxError("Could not create captures directory {}".format(e))
|
|
|
|
nio.startPacketCapture(output_file)
|
|
|
|
if self._vboxwrapper:
|
|
self._vboxwrapper.send('vbox create_capture "{}" {} "{}"'.format(self._name,
|
|
adapter_id,
|
|
output_file))
|
|
|
|
log.info("VirtualBox VM {name} [id={id}]: starting packet capture on adapter {adapter_id}".format(name=self._name,
|
|
id=self._id,
|
|
adapter_id=adapter_id))
|
|
|
|
def stop_capture(self, adapter_id):
|
|
"""
|
|
Stops a packet capture.
|
|
|
|
:param adapter_id: adapter ID
|
|
"""
|
|
|
|
try:
|
|
adapter = self._ethernet_adapters[adapter_id]
|
|
except IndexError:
|
|
raise VirtualBoxError("Adapter {adapter_id} doesn't exist on VirtualBox VM {name}".format(name=self._name,
|
|
adapter_id=adapter_id))
|
|
|
|
nio = adapter.get_nio(0)
|
|
nio.stopPacketCapture()
|
|
|
|
if self._vboxwrapper:
|
|
self._vboxwrapper.send('vbox delete_capture "{}" {}'.format(self._name,
|
|
adapter_id))
|
|
|
|
log.info("VirtualBox VM {name} [id={id}]: stopping packet capture on adapter {adapter_id}".format(name=self._name,
|
|
id=self._id,
|
|
adapter_id=adapter_id))
|
|
|
|
def _get_session(self):
|
|
|
|
log.debug("getting session for {}".format(self._vmname))
|
|
try:
|
|
self._session = self._vboxmanager.mgr.getSessionObject(self._vboxmanager.vbox)
|
|
except Exception as e:
|
|
# fails on heavily loaded hosts...
|
|
raise VirtualBoxError("VirtualBox error: {}".format(e))
|
|
|
|
def _set_network_options(self):
|
|
|
|
log.debug("setting network options for {}".format(self._vmname))
|
|
|
|
self._lock_machine()
|
|
|
|
first_adapter_type = self._vboxmanager.constants.NetworkAdapterType_I82540EM
|
|
try:
|
|
first_adapter = self._session.machine.getNetworkAdapter(0)
|
|
first_adapter_type = first_adapter.adapterType
|
|
except Exception as e:
|
|
pass
|
|
#raise VirtualBoxError("VirtualBox error: {}".format(e))
|
|
|
|
for adapter_id in range(0, len(self._ethernet_adapters)):
|
|
try:
|
|
# VirtualBox starts counting from 0
|
|
adapter = self._session.machine.getNetworkAdapter(adapter_id)
|
|
adapter_type = adapter.adapterType
|
|
|
|
if self._adapter_type == "PCnet-PCI II (Am79C970A)":
|
|
adapter_type = self._vboxmanager.constants.NetworkAdapterType_Am79C970A
|
|
if self._adapter_type == "PCNet-FAST III (Am79C973)":
|
|
adapter_type = self._vboxmanager.constants.NetworkAdapterType_Am79C973
|
|
if self._adapter_type == "Intel PRO/1000 MT Desktop (82540EM)":
|
|
adapter_type = self._vboxmanager.constants.NetworkAdapterType_I82540EM
|
|
if self._adapter_type == "Intel PRO/1000 T Server (82543GC)":
|
|
adapter_type = self._vboxmanager.constants.NetworkAdapterType_I82543GC
|
|
if self._adapter_type == "Intel PRO/1000 MT Server (82545EM)":
|
|
adapter_type = self._vboxmanager.constants.NetworkAdapterType_I82545EM
|
|
if self._adapter_type == "Paravirtualized Network (virtio-net)":
|
|
adapter_type = self._vboxmanager.constants.NetworkAdapterType_Virtio
|
|
if self._adapter_type == "Automatic": # "Auto-guess, based on first NIC"
|
|
adapter_type = first_adapter_type
|
|
|
|
adapter.adapterType = adapter_type
|
|
|
|
except Exception as e:
|
|
raise VirtualBoxError("VirtualBox error: {}".format(e))
|
|
|
|
nio = self._ethernet_adapters[adapter_id].get_nio(0)
|
|
if nio:
|
|
log.debug("setting UDP params on adapter {}".format(adapter_id))
|
|
try:
|
|
adapter.enabled = True
|
|
adapter.cableConnected = True
|
|
adapter.traceEnabled = False
|
|
# Temporary hack around VBox-UDP patch limitation: inability to use DNS
|
|
if nio.rhost == 'localhost':
|
|
rhost = '127.0.0.1'
|
|
else:
|
|
rhost = nio.rhost
|
|
adapter.attachmentType = self._vboxmanager.constants.NetworkAttachmentType_Generic
|
|
adapter.genericDriver = "UDPTunnel"
|
|
adapter.setProperty("sport", str(nio.lport))
|
|
adapter.setProperty("dest", rhost)
|
|
adapter.setProperty("dport", str(nio.rport))
|
|
except Exception as e:
|
|
# usually due to COM Error: "The object is not ready"
|
|
raise VirtualBoxError("VirtualBox error: {}".format(e))
|
|
|
|
if nio.capturing:
|
|
self._enable_capture(adapter, nio.pcap_output_file)
|
|
|
|
else:
|
|
# shutting down unused adapters...
|
|
try:
|
|
adapter.enabled = True
|
|
adapter.attachmentType = self._vboxmanager.constants.NetworkAttachmentType_Null
|
|
adapter.cableConnected = False
|
|
except Exception as e:
|
|
raise VirtualBoxError("VirtualBox error: {}".format(e))
|
|
|
|
#for adapter_id in range(len(self._ethernet_adapters), self._maximum_adapters):
|
|
# log.debug("disabling remaining adapter {}".format(adapter_id))
|
|
# self._disable_adapter(adapter_id)
|
|
|
|
try:
|
|
self._session.machine.saveSettings()
|
|
except Exception as e:
|
|
raise VirtualBoxError("VirtualBox error: {}".format(e))
|
|
|
|
self._unlock_machine()
|
|
|
|
def _disable_adapter(self, adapter_id, disable=True):
|
|
|
|
log.debug("disabling network adapter for {}".format(self._vmname))
|
|
# this command is retried several times, because it fails more often...
|
|
retries = 6
|
|
last_exception = None
|
|
for retry in range(retries):
|
|
if retry == (retries - 1):
|
|
raise VirtualBoxError("Could not disable network adapter after 4 retries: {}".format(last_exception))
|
|
try:
|
|
adapter = self._session.machine.getNetworkAdapter(adapter_id)
|
|
adapter.traceEnabled = False
|
|
adapter.attachmentType = self._vboxmanager.constants.NetworkAttachmentType_Null
|
|
if disable:
|
|
adapter.enabled = False
|
|
break
|
|
except Exception as e:
|
|
# usually due to COM Error: "The object is not ready"
|
|
log.warn("cannot disable network adapter for {}, retrying {}: {}".format(self._vmname, retry + 1, e))
|
|
last_exception = e
|
|
time.sleep(1)
|
|
continue
|
|
|
|
def _enable_capture(self, adapter, output_file):
|
|
|
|
log.debug("enabling capture for {}".format(self._vmname))
|
|
# this command is retried several times, because it fails more often...
|
|
retries = 4
|
|
last_exception = None
|
|
for retry in range(retries):
|
|
if retry == (retries - 1):
|
|
raise VirtualBoxError("Could not enable packet capture after 4 retries: {}".format(last_exception))
|
|
try:
|
|
adapter.traceEnabled = True
|
|
adapter.traceFile = output_file
|
|
break
|
|
except Exception as e:
|
|
log.warn("cannot enable packet capture for {}, retrying {}: {}".format(self._vmname, retry + 1, e))
|
|
last_exception = e
|
|
time.sleep(0.75)
|
|
continue
|
|
|
|
def _create_udp(self, adapter_id, sport, daddr, dport):
|
|
|
|
if self._machine.state >= self._vboxmanager.constants.MachineState_FirstOnline and \
|
|
self._machine.state <= self._vboxmanager.constants.MachineState_LastOnline:
|
|
# the machine is being executed
|
|
retries = 4
|
|
last_exception = None
|
|
for retry in range(retries):
|
|
if retry == (retries - 1):
|
|
raise VirtualBoxError("Could not create an UDP tunnel after 4 retries :{}".format(last_exception))
|
|
try:
|
|
adapter = self._session.machine.getNetworkAdapter(adapter_id)
|
|
adapter.cableConnected = True
|
|
adapter.attachmentType = self._vboxmanager.constants.NetworkAttachmentType_Null
|
|
self._session.machine.saveSettings()
|
|
adapter.attachmentType = self._vboxmanager.constants.NetworkAttachmentType_Generic
|
|
adapter.genericDriver = "UDPTunnel"
|
|
adapter.setProperty("sport", str(sport))
|
|
adapter.setProperty("dest", daddr)
|
|
adapter.setProperty("dport", str(dport))
|
|
self._session.machine.saveSettings()
|
|
break
|
|
except Exception as e:
|
|
# usually due to COM Error: "The object is not ready"
|
|
log.warn("cannot create UDP tunnel for {}: {}".format(self._vmname, e))
|
|
last_exception = e
|
|
time.sleep(0.75)
|
|
continue
|
|
|
|
def _delete_udp(self, adapter_id):
|
|
|
|
if self._machine.state >= self._vboxmanager.constants.MachineState_FirstOnline and \
|
|
self._machine.state <= self._vboxmanager.constants.MachineState_LastOnline:
|
|
# the machine is being executed
|
|
retries = 4
|
|
last_exception = None
|
|
for retry in range(retries):
|
|
if retry == (retries - 1):
|
|
raise VirtualBoxError("Could not delete an UDP tunnel after 4 retries :{}".format(last_exception))
|
|
try:
|
|
adapter = self._session.machine.getNetworkAdapter(adapter_id)
|
|
adapter.attachmentType = self._vboxmanager.constants.NetworkAttachmentType_Null
|
|
adapter.cableConnected = False
|
|
self._session.machine.saveSettings()
|
|
break
|
|
except Exception as e:
|
|
# usually due to COM Error: "The object is not ready"
|
|
log.debug("cannot delete UDP tunnel for {}: {}".format(self._vmname, e))
|
|
last_exception = e
|
|
time.sleep(0.75)
|
|
continue
|
|
|
|
def _get_pipe_name(self):
|
|
|
|
p = re.compile('\s+', re.UNICODE)
|
|
pipe_name = p.sub("_", self._vmname)
|
|
if sys.platform.startswith('win'):
|
|
pipe_name = r"\\.\pipe\VBOX\{}".format(pipe_name)
|
|
else:
|
|
pipe_name = os.path.join(tempfile.gettempdir(), "pipe_{}".format(pipe_name))
|
|
return pipe_name
|
|
|
|
def _set_console_options(self):
|
|
|
|
log.info("setting console options for {}".format(self.vmname))
|
|
|
|
self._lock_machine()
|
|
pipe_name = self._get_pipe_name()
|
|
|
|
try:
|
|
serial_port = self._session.machine.getSerialPort(0)
|
|
serial_port.enabled = True
|
|
serial_port.path = pipe_name
|
|
serial_port.hostMode = 1
|
|
serial_port.server = True
|
|
self._session.machine.saveSettings()
|
|
except Exception as e:
|
|
raise VirtualBoxError("VirtualBox error: {}".format(e))
|
|
|
|
self._unlock_machine()
|
|
|
|
def _launch_vm_process(self):
|
|
|
|
log.debug("launching VM {}".format(self._vmname))
|
|
# this command is retried several times, because it fails more often...
|
|
retries = 4
|
|
last_exception = None
|
|
for retry in range(retries):
|
|
if retry == (retries - 1):
|
|
raise VirtualBoxError("Could not launch the VM after 4 retries: {}".format(last_exception))
|
|
try:
|
|
if self._headless:
|
|
mode = "headless"
|
|
else:
|
|
mode = "gui"
|
|
log.info("starting {} in {} mode".format(self._vmname, mode))
|
|
progress = self._machine.launchVMProcess(self._session, mode, "")
|
|
break
|
|
except Exception as e:
|
|
# This will usually happen if you try to start the same VM twice,
|
|
# but may happen on loaded hosts too...
|
|
log.warn("cannot launch VM {}, retrying {}: {}".format(self._vmname, retry + 1, e))
|
|
last_exception = e
|
|
time.sleep(0.6)
|
|
continue
|
|
|
|
try:
|
|
progress.waitForCompletion(-1)
|
|
except Exception as e:
|
|
raise VirtualBoxError("VirtualBox error: {}".format(e))
|
|
|
|
return progress
|
|
|
|
def _lock_machine(self):
|
|
|
|
log.debug("locking machine for {}".format(self._vmname))
|
|
# this command is retried several times, because it fails more often...
|
|
retries = 4
|
|
last_exception = None
|
|
for retry in range(retries):
|
|
if retry == (retries - 1):
|
|
raise VirtualBoxError("Could not lock the machine after 4 retries: {}".format(last_exception))
|
|
try:
|
|
self._machine.lockMachine(self._session, 1)
|
|
break
|
|
except Exception as e:
|
|
log.warn("cannot lock the machine for {}, retrying {}: {}".format(self._vmname, retry + 1, e))
|
|
last_exception = e
|
|
time.sleep(1)
|
|
continue
|
|
|
|
def _unlock_machine(self):
|
|
|
|
log.debug("unlocking machine for {}".format(self._vmname))
|
|
# this command is retried several times, because it fails more often...
|
|
retries = 4
|
|
last_exception = None
|
|
for retry in range(retries):
|
|
if retry == (retries - 1):
|
|
raise VirtualBoxError("Could not unlock the machine after 4 retries: {}".format(last_exception))
|
|
try:
|
|
self._session.unlockMachine()
|
|
break
|
|
except Exception as e:
|
|
log.warn("cannot unlock the machine for {}, retrying {}: {}".format(self._vmname, retry + 1, e))
|
|
time.sleep(1)
|
|
last_exception = e
|
|
continue
|