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gns3-server/gns3server/modules/virtualbox/virtualbox_vm.py
Julien Duponchelle 9d28f4c0c3
Refactor aux port allocation
This move the allocation of aux port to the base vm.
Also now the free of console port during the close is in the
base VM.

An aux port is allocated to the docker container but not used
for the moment.

Ref https://github.com/GNS3/gns3-gui/issues/1039
2016-02-29 10:44:08 +01:00

978 lines
40 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright (C) 2014 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 VM instance.
"""
import sys
import shlex
import re
import os
import tempfile
import json
import socket
import asyncio
from pkg_resources import parse_version
from gns3server.utils.telnet_server import TelnetServer
from gns3server.utils.asyncio import wait_for_file_creation, wait_for_named_pipe_creation
from .virtualbox_error import VirtualBoxError
from ..nios.nio_udp import NIOUDP
from ..nios.nio_nat import NIONAT
from ..adapters.ethernet_adapter import EthernetAdapter
from ..base_vm import BaseVM
if sys.platform.startswith('win'):
import msvcrt
import win32file
import logging
log = logging.getLogger(__name__)
class VirtualBoxVM(BaseVM):
"""
VirtualBox VM implementation.
"""
def __init__(self, name, vm_id, project, manager, vmname, linked_clone, console=None, adapters=0):
super().__init__(name, vm_id, project, manager, console=console)
self._maximum_adapters = 8
self._linked_clone = linked_clone
self._system_properties = {}
self._telnet_server_thread = None
self._serial_pipe = None
# VirtualBox settings
self._adapters = adapters
self._ethernet_adapters = {}
self._headless = False
self._acpi_shutdown = False
self._enable_remote_console = False
self._vmname = vmname
self._use_any_adapter = False
self._ram = 0
self._adapter_type = "Intel PRO/1000 MT Desktop (82540EM)"
def __json__(self):
json = {"name": self.name,
"vm_id": self.id,
"console": self.console,
"project_id": self.project.id,
"vmname": self.vmname,
"headless": self.headless,
"acpi_shutdown": self.acpi_shutdown,
"enable_remote_console": self.enable_remote_console,
"adapters": self._adapters,
"adapter_type": self.adapter_type,
"ram": self.ram,
"use_any_adapter": self.use_any_adapter}
if self._linked_clone:
json["vm_directory"] = self.working_dir
else:
json["vm_directory"] = None
return json
@asyncio.coroutine
def _get_system_properties(self):
properties = yield from self.manager.execute("list", ["systemproperties"])
for prop in properties:
try:
name, value = prop.split(':', 1)
except ValueError:
continue
self._system_properties[name.strip()] = value.strip()
@asyncio.coroutine
def _get_vm_state(self):
"""
Returns the VM state (e.g. running, paused etc.)
:returns: state (string)
"""
results = yield from self.manager.execute("showvminfo", [self._vmname, "--machinereadable"])
for info in results:
if '=' in info:
name, value = info.split('=', 1)
if name == "VMState":
return value.strip('"')
raise VirtualBoxError("Could not get VM state for {}".format(self._vmname))
@asyncio.coroutine
def _control_vm(self, params):
"""
Change setting in this VM when running.
:param params: params to use with sub-command controlvm
:returns: result of the command.
"""
args = shlex.split(params)
result = yield from self.manager.execute("controlvm", [self._vmname] + args)
return result
@asyncio.coroutine
def _modify_vm(self, params):
"""
Change setting in this VM when not running.
:param params: params to use with sub-command modifyvm
"""
args = shlex.split(params)
yield from self.manager.execute("modifyvm", [self._vmname] + args)
@asyncio.coroutine
def create(self):
yield from self._get_system_properties()
if "API version" not in self._system_properties:
raise VirtualBoxError("Can't access to VirtualBox API version:\n{}".format(self._system_properties))
if parse_version(self._system_properties["API version"]) < parse_version("4_3"):
raise VirtualBoxError("The VirtualBox API version is lower than 4.3")
log.info("VirtualBox VM '{name}' [{id}] created".format(name=self.name, id=self.id))
if self._linked_clone:
if self.id and os.path.isdir(os.path.join(self.working_dir, self._vmname)):
vbox_file = os.path.join(self.working_dir, self._vmname, self._vmname + ".vbox")
yield from self.manager.execute("registervm", [vbox_file])
yield from self._reattach_hdds()
else:
yield from self._create_linked_clone()
if self._adapters:
yield from self.set_adapters(self._adapters)
vm_info = yield from self._get_vm_info()
if "memory" in vm_info:
self._ram = int(vm_info["memory"])
@asyncio.coroutine
def check_hw_virtualization(self):
"""
Returns either hardware virtualization is activated or not.
:returns: boolean
"""
vm_info = yield from self._get_vm_info()
if "hwvirtex" in vm_info and vm_info["hwvirtex"] == "on":
return True
return False
@asyncio.coroutine
def start(self):
"""
Starts this VirtualBox VM.
"""
# resume the VM if it is paused
vm_state = yield from self._get_vm_state()
if vm_state == "paused":
yield from self.resume()
return
# VM must be powered off to start it
if vm_state != "poweroff":
raise VirtualBoxError("VirtualBox VM not powered off")
yield from self._set_network_options()
yield from self._set_serial_console()
# check if there is enough RAM to run
self.check_available_ram(self.ram)
args = [self._vmname]
if self._headless:
args.extend(["--type", "headless"])
result = yield from self.manager.execute("startvm", args)
log.info("VirtualBox VM '{name}' [{id}] started".format(name=self.name, id=self.id))
log.debug("Start result: {}".format(result))
# add a guest property to let the VM know about the GNS3 name
yield from self.manager.execute("guestproperty", ["set", self._vmname, "NameInGNS3", self.name])
# add a guest property to let the VM know about the GNS3 project directory
yield from self.manager.execute("guestproperty", ["set", self._vmname, "ProjectDirInGNS3", self.working_dir])
if self._enable_remote_console and self._console is not None:
try:
# wait for VirtualBox to create the pipe file.
if sys.platform.startswith("win"):
yield from wait_for_named_pipe_creation(self._get_pipe_name())
else:
yield from wait_for_file_creation(self._get_pipe_name())
except asyncio.TimeoutError:
raise VirtualBoxError('Pipe file "{}" for remote console has not been created by VirtualBox'.format(self._get_pipe_name()))
self._start_remote_console()
if (yield from self.check_hw_virtualization()):
self._hw_virtualization = True
@asyncio.coroutine
def stop(self):
"""
Stops this VirtualBox VM.
"""
self._hw_virtualization = False
self._stop_remote_console()
vm_state = yield from self._get_vm_state()
if vm_state == "running" or vm_state == "paused" or vm_state == "stuck":
if self.acpi_shutdown:
# use ACPI to shutdown the VM
result = yield from self._control_vm("acpipowerbutton")
log.debug("ACPI shutdown result: {}".format(result))
else:
# power off the VM
result = yield from self._control_vm("poweroff")
log.debug("Stop result: {}".format(result))
log.info("VirtualBox VM '{name}' [{id}] stopped".format(name=self.name, id=self.id))
# yield from asyncio.sleep(0.5) # give some time for VirtualBox to unlock the VM
try:
# deactivate the first serial port
yield from self._modify_vm("--uart1 off")
except VirtualBoxError as e:
log.warn("Could not deactivate the first serial port: {}".format(e))
for adapter_number in range(0, self._adapters):
nio = self._ethernet_adapters[adapter_number].get_nio(0)
if nio:
yield from self._modify_vm("--nictrace{} off".format(adapter_number + 1))
yield from self._modify_vm("--cableconnected{} off".format(adapter_number + 1))
yield from self._modify_vm("--nic{} null".format(adapter_number + 1))
@asyncio.coroutine
def suspend(self):
"""
Suspends this VirtualBox VM.
"""
vm_state = yield from self._get_vm_state()
if vm_state == "running":
yield from self._control_vm("pause")
log.info("VirtualBox VM '{name}' [{id}] suspended".format(name=self.name, id=self.id))
else:
log.warn("VirtualBox VM '{name}' [{id}] cannot be suspended, current state: {state}".format(name=self.name,
id=self.id,
state=vm_state))
@asyncio.coroutine
def resume(self):
"""
Resumes this VirtualBox VM.
"""
yield from self._control_vm("resume")
log.info("VirtualBox VM '{name}' [{id}] resumed".format(name=self.name, id=self.id))
@asyncio.coroutine
def reload(self):
"""
Reloads this VirtualBox VM.
"""
result = yield from self._control_vm("reset")
log.info("VirtualBox VM '{name}' [{id}] reloaded".format(name=self.name, id=self.id))
log.debug("Reload result: {}".format(result))
@asyncio.coroutine
def _get_all_hdd_files(self):
hdds = []
properties = yield from self.manager.execute("list", ["hdds"])
for prop in properties:
try:
name, value = prop.split(':', 1)
except ValueError:
continue
if name.strip() == "Location":
hdds.append(value.strip())
return hdds
@asyncio.coroutine
def _reattach_hdds(self):
hdd_info_file = os.path.join(self.working_dir, self._vmname, "hdd_info.json")
try:
with open(hdd_info_file, "r", encoding="utf-8") as f:
hdd_table = json.load(f)
except (ValueError, OSError) as e:
raise VirtualBoxError("Could not read HDD info file: {}".format(e))
for hdd_info in hdd_table:
hdd_file = os.path.join(self.working_dir, self._vmname, "Snapshots", hdd_info["hdd"])
if os.path.exists(hdd_file):
log.info("VirtualBox VM '{name}' [{id}] attaching HDD {controller} {port} {device} {medium}".format(name=self.name,
id=self.id,
controller=hdd_info["controller"],
port=hdd_info["port"],
device=hdd_info["device"],
medium=hdd_file))
yield from self._storage_attach('--storagectl "{}" --port {} --device {} --type hdd --medium "{}"'.format(hdd_info["controller"],
hdd_info["port"],
hdd_info["device"],
hdd_file))
@asyncio.coroutine
def close(self):
"""
Closes this VirtualBox VM.
"""
if not (yield from super().close()):
return False
for adapter in self._ethernet_adapters.values():
if adapter is not None:
for nio in adapter.ports.values():
if nio and isinstance(nio, NIOUDP):
self.manager.port_manager.release_udp_port(nio.lport, self._project)
self.acpi_shutdown = False
yield from self.stop()
if self._linked_clone:
hdd_table = []
if os.path.exists(self.working_dir):
hdd_files = yield from self._get_all_hdd_files()
vm_info = yield from self._get_vm_info()
for entry, value in vm_info.items():
match = re.search("^([\s\w]+)\-(\d)\-(\d)$", entry)
if match:
controller = match.group(1)
port = match.group(2)
device = match.group(3)
if value in hdd_files:
log.info("VirtualBox VM '{name}' [{id}] detaching HDD {controller} {port} {device}".format(name=self.name,
id=self.id,
controller=controller,
port=port,
device=device))
yield from self._storage_attach('--storagectl "{}" --port {} --device {} --type hdd --medium none'.format(controller,
port,
device))
hdd_table.append(
{
"hdd": os.path.basename(value),
"controller": controller,
"port": port,
"device": device,
}
)
log.info("VirtualBox VM '{name}' [{id}] unregistering".format(name=self.name, id=self.id))
yield from self.manager.execute("unregistervm", [self._name])
if hdd_table:
try:
hdd_info_file = os.path.join(self.working_dir, self._vmname, "hdd_info.json")
with open(hdd_info_file, "w", encoding="utf-8") as f:
json.dump(hdd_table, f, indent=4)
except OSError as e:
log.warning("VirtualBox VM '{name}' [{id}] could not write HHD info file: {error}".format(name=self.name,
id=self.id,
error=e.strerror))
@property
def headless(self):
"""
Returns either the VM will start in headless mode
:returns: boolean
"""
return self._headless
@headless.setter
def headless(self, headless):
"""
Sets either the VM will start in headless mode
:param headless: boolean
"""
if headless:
log.info("VirtualBox VM '{name}' [{id}] has enabled the headless mode".format(name=self.name, id=self.id))
else:
log.info("VirtualBox VM '{name}' [{id}] has disabled the headless mode".format(name=self.name, id=self.id))
self._headless = headless
@property
def acpi_shutdown(self):
"""
Returns either the VM will use ACPI shutdown
:returns: boolean
"""
return self._acpi_shutdown
@acpi_shutdown.setter
def acpi_shutdown(self, acpi_shutdown):
"""
Sets either the VM will use ACPI shutdown
:param acpi_shutdown: boolean
"""
if acpi_shutdown:
log.info("VirtualBox VM '{name}' [{id}] has enabled the ACPI shutdown mode".format(name=self.name, id=self.id))
else:
log.info("VirtualBox VM '{name}' [{id}] has disabled the ACPI shutdown mode".format(name=self.name, id=self.id))
self._acpi_shutdown = acpi_shutdown
@property
def enable_remote_console(self):
"""
Returns either the remote console is enabled or not
:returns: boolean
"""
return self._enable_remote_console
@asyncio.coroutine
def set_enable_remote_console(self, enable_remote_console):
"""
Sets either the console is enabled or not
:param enable_remote_console: boolean
"""
if enable_remote_console:
log.info("VirtualBox VM '{name}' [{id}] has enabled the console".format(name=self.name, id=self.id))
vm_state = yield from self._get_vm_state()
if vm_state == "running":
self._start_remote_console()
else:
log.info("VirtualBox VM '{name}' [{id}] has disabled the console".format(name=self.name, id=self.id))
self._stop_remote_console()
self._enable_remote_console = enable_remote_console
@property
def ram(self):
"""
Returns the amount of RAM allocated to this VirtualBox VM.
:returns: amount RAM in MB (integer)
"""
return self._ram
@asyncio.coroutine
def set_ram(self, ram):
"""
Set the amount of RAM allocated to this VirtualBox VM.
:param ram: amount RAM in MB (integer)
"""
if ram == 0:
return
yield from self._modify_vm('--memory {}'.format(ram))
log.info("VirtualBox VM '{name}' [{id}] has set amount of RAM to {ram}".format(name=self.name, id=self.id, ram=ram))
self._ram = ram
@property
def vmname(self):
"""
Returns the VirtualBox VM name.
:returns: VirtualBox VM name
"""
return self._vmname
@asyncio.coroutine
def set_vmname(self, vmname):
"""
Renames the VirtualBox VM.
:param vmname: VirtualBox VM name
"""
if self._linked_clone:
yield from self._modify_vm('--name "{}"'.format(vmname))
log.info("VirtualBox VM '{name}' [{id}] has set the VM name to '{vmname}'".format(name=self.name, id=self.id, vmname=vmname))
self._vmname = vmname
@property
def adapters(self):
"""
Returns the number of adapters configured for this VirtualBox VM.
:returns: number of adapters
"""
return self._adapters
@asyncio.coroutine
def set_adapters(self, adapters):
"""
Sets the number of Ethernet adapters for this VirtualBox VM instance.
:param adapters: number of adapters
"""
# check for the maximum adapters supported by the VM
self._maximum_adapters = yield from self._get_maximum_supported_adapters()
if adapters > self._maximum_adapters:
raise VirtualBoxError("Number of adapters above the maximum supported of {}".format(self._maximum_adapters))
self._ethernet_adapters.clear()
for adapter_number in range(0, adapters):
self._ethernet_adapters[adapter_number] = EthernetAdapter()
self._adapters = len(self._ethernet_adapters)
log.info("VirtualBox VM '{name}' [{id}] has changed the number of Ethernet adapters to {adapters}".format(name=self.name,
id=self.id,
adapters=adapters))
@property
def use_any_adapter(self):
"""
Returns either GNS3 can use any VirtualBox adapter on this instance.
:returns: boolean
"""
return self._use_any_adapter
@use_any_adapter.setter
def use_any_adapter(self, use_any_adapter):
"""
Allows GNS3 to use any VirtualBox adapter on this instance.
:param use_any_adapter: boolean
"""
if use_any_adapter:
log.info("VirtualBox VM '{name}' [{id}] is allowed to use any adapter".format(name=self.name, id=self.id))
else:
log.info("VirtualBox VM '{name}' [{id}] is not allowed to use any adapter".format(name=self.name, id=self.id))
self._use_any_adapter = use_any_adapter
@property
def adapter_type(self):
"""
Returns the adapter type for this VirtualBox VM instance.
:returns: adapter type (string)
"""
return self._adapter_type
@adapter_type.setter
def adapter_type(self, adapter_type):
"""
Sets the adapter type for this VirtualBox VM instance.
:param adapter_type: adapter type (string)
"""
self._adapter_type = adapter_type
log.info("VirtualBox VM '{name}' [{id}]: adapter type changed to {adapter_type}".format(name=self.name,
id=self.id,
adapter_type=adapter_type))
@asyncio.coroutine
def _get_vm_info(self):
"""
Returns this VM info.
:returns: dict of info
"""
vm_info = {}
results = yield from self.manager.execute("showvminfo", [self._vmname, "--machinereadable"])
for info in results:
try:
name, value = info.split('=', 1)
except ValueError:
continue
vm_info[name.strip('"')] = value.strip('"')
return vm_info
@asyncio.coroutine
def _get_maximum_supported_adapters(self):
"""
Returns the maximum adapters supported by this VM.
:returns: maximum number of supported adapters (int)
"""
# check the maximum number of adapters supported by the VM
vm_info = yield from self._get_vm_info()
maximum_adapters = 8
if "chipset" in vm_info:
chipset = vm_info["chipset"]
if chipset == "ich9":
maximum_adapters = int(self._system_properties["Maximum ICH9 Network Adapter count"])
return maximum_adapters
def _get_pipe_name(self):
"""
Returns the pipe name to create a serial connection.
:returns: pipe path (string)
"""
if sys.platform.startswith("win"):
pipe_name = r"\\.\pipe\gns3_vbox\{}".format(self.id)
else:
pipe_name = os.path.join(tempfile.gettempdir(), "gns3_vbox", "{}".format(self.id))
try:
os.makedirs(os.path.dirname(pipe_name), exist_ok=True)
except OSError as e:
raise VirtualBoxError("Could not create the VirtualBox pipe directory: {}".format(e))
return pipe_name
@asyncio.coroutine
def _set_serial_console(self):
"""
Configures the first serial port to allow a serial console connection.
"""
# activate the first serial port
yield from self._modify_vm("--uart1 0x3F8 4")
# set server mode with a pipe on the first serial port
pipe_name = self._get_pipe_name()
args = [self._vmname, "--uartmode1", "server", pipe_name]
yield from self.manager.execute("modifyvm", args)
@asyncio.coroutine
def _storage_attach(self, params):
"""
Change storage medium in this VM.
:param params: params to use with sub-command storageattach
"""
args = shlex.split(params)
yield from self.manager.execute("storageattach", [self._vmname] + args)
@asyncio.coroutine
def _get_nic_attachements(self, maximum_adapters):
"""
Returns NIC attachements.
:param maximum_adapters: maximum number of supported adapters
:returns: list of adapters with their Attachment setting (NAT, bridged etc.)
"""
nics = []
vm_info = yield from self._get_vm_info()
for adapter_number in range(0, maximum_adapters):
entry = "nic{}".format(adapter_number + 1)
if entry in vm_info:
value = vm_info[entry]
nics.append(value.lower())
else:
nics.append(None)
return nics
@asyncio.coroutine
def _set_network_options(self):
"""
Configures network options.
"""
nic_attachments = yield from self._get_nic_attachements(self._maximum_adapters)
for adapter_number in range(0, self._adapters):
attachment = nic_attachments[adapter_number]
if attachment == "null":
# disconnect the cable if no backend is attached.
yield from self._modify_vm("--cableconnected{} off".format(adapter_number + 1))
if attachment == "none":
# set the backend to null to avoid a difference in the number of interfaces in the Guest.
yield from self._modify_vm("--nic{} null".format(adapter_number + 1))
yield from self._modify_vm("--cableconnected{} off".format(adapter_number + 1))
nio = self._ethernet_adapters[adapter_number].get_nio(0)
if nio:
if not isinstance(nio, NIONAT) and not self._use_any_adapter and attachment not in ("none", "null", "generic"):
raise VirtualBoxError("Attachment ({}) already configured on adapter {}. "
"Please set it to 'Not attached' to allow GNS3 to use it.".format(attachment,
adapter_number + 1))
yield from self._modify_vm("--nictrace{} off".format(adapter_number + 1))
vbox_adapter_type = "82540EM"
if self._adapter_type == "PCnet-PCI II (Am79C970A)":
vbox_adapter_type = "Am79C970A"
if self._adapter_type == "PCNet-FAST III (Am79C973)":
vbox_adapter_type = "Am79C973"
if self._adapter_type == "Intel PRO/1000 MT Desktop (82540EM)":
vbox_adapter_type = "82540EM"
if self._adapter_type == "Intel PRO/1000 T Server (82543GC)":
vbox_adapter_type = "82543GC"
if self._adapter_type == "Intel PRO/1000 MT Server (82545EM)":
vbox_adapter_type = "82545EM"
if self._adapter_type == "Paravirtualized Network (virtio-net)":
vbox_adapter_type = "virtio"
args = [self._vmname, "--nictype{}".format(adapter_number + 1), vbox_adapter_type]
yield from self.manager.execute("modifyvm", args)
if isinstance(nio, NIOUDP):
log.debug("setting UDP params on adapter {}".format(adapter_number))
yield from self._modify_vm("--nic{} generic".format(adapter_number + 1))
yield from self._modify_vm("--nicgenericdrv{} UDPTunnel".format(adapter_number + 1))
yield from self._modify_vm("--nicproperty{} sport={}".format(adapter_number + 1, nio.lport))
yield from self._modify_vm("--nicproperty{} dest={}".format(adapter_number + 1, nio.rhost))
yield from self._modify_vm("--nicproperty{} dport={}".format(adapter_number + 1, nio.rport))
yield from self._modify_vm("--cableconnected{} on".format(adapter_number + 1))
elif isinstance(nio, NIONAT):
yield from self._modify_vm("--nic{} nat".format(adapter_number + 1))
yield from self._modify_vm("--cableconnected{} on".format(adapter_number + 1))
if nio.capturing:
yield from self._modify_vm("--nictrace{} on".format(adapter_number + 1))
yield from self._modify_vm('--nictracefile{} "{}"'.format(adapter_number + 1, nio.pcap_output_file))
for adapter_number in range(self._adapters, self._maximum_adapters):
log.debug("disabling remaining adapter {}".format(adapter_number))
yield from self._modify_vm("--nic{} none".format(adapter_number + 1))
@asyncio.coroutine
def _create_linked_clone(self):
"""
Creates a new linked clone.
"""
gns3_snapshot_exists = False
vm_info = yield from self._get_vm_info()
for entry, value in vm_info.items():
if entry.startswith("SnapshotName") and value == "GNS3 Linked Base for clones":
gns3_snapshot_exists = True
if not gns3_snapshot_exists:
result = yield from self.manager.execute("snapshot", [self._vmname, "take", "GNS3 Linked Base for clones"])
log.debug("GNS3 snapshot created: {}".format(result))
args = [self._vmname,
"--snapshot",
"GNS3 Linked Base for clones",
"--options",
"link",
"--name",
self.name,
"--basefolder",
self.working_dir,
"--register"]
result = yield from self.manager.execute("clonevm", args)
log.debug("VirtualBox VM: {} cloned".format(result))
self._vmname = self._name
yield from self.manager.execute("setextradata", [self._vmname, "GNS3/Clone", "yes"])
args = [self._vmname, "take", "reset"]
result = yield from self.manager.execute("snapshot", args)
log.debug("Snapshot 'reset' created: {}".format(result))
def _start_remote_console(self):
"""
Starts remote console support for this VM.
"""
# starts the Telnet to pipe thread
pipe_name = self._get_pipe_name()
if sys.platform.startswith("win"):
try:
self._serial_pipe = open(pipe_name, "a+b")
except OSError as e:
raise VirtualBoxError("Could not open the pipe {}: {}".format(pipe_name, e))
try:
self._telnet_server_thread = TelnetServer(self._vmname, msvcrt.get_osfhandle(self._serial_pipe.fileno()), self._manager.port_manager.console_host, self._console)
except OSError as e:
raise VirtualBoxError("Unable to create Telnet server: {}".format(e))
self._telnet_server_thread.start()
else:
try:
self._serial_pipe = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
self._serial_pipe.connect(pipe_name)
except OSError as e:
raise VirtualBoxError("Could not connect to the pipe {}: {}".format(pipe_name, e))
try:
self._telnet_server_thread = TelnetServer(self._vmname, self._serial_pipe, self._manager.port_manager.console_host, self._console)
except OSError as e:
raise VirtualBoxError("Unable to create Telnet server: {}".format(e))
self._telnet_server_thread.start()
def _stop_remote_console(self):
"""
Stops remote console support for this VM.
"""
if self._telnet_server_thread:
if self._telnet_server_thread.is_alive():
self._telnet_server_thread.stop()
self._telnet_server_thread.join(timeout=3)
if self._telnet_server_thread.is_alive():
log.warn("Serial pipe thread is still alive!")
self._telnet_server_thread = None
if self._serial_pipe:
if sys.platform.startswith("win"):
win32file.CloseHandle(msvcrt.get_osfhandle(self._serial_pipe.fileno()))
else:
self._serial_pipe.close()
self._serial_pipe = None
@asyncio.coroutine
def adapter_add_nio_binding(self, adapter_number, nio):
"""
Adds an adapter NIO binding.
:param adapter_number: adapter number
:param nio: NIO instance to add to the slot/port
"""
try:
adapter = self._ethernet_adapters[adapter_number]
except KeyError:
raise VirtualBoxError("Adapter {adapter_number} doesn't exist on VirtualBox VM '{name}'".format(name=self.name,
adapter_number=adapter_number))
vm_state = yield from self._get_vm_state()
if vm_state == "running":
if isinstance(nio, NIOUDP):
# dynamically configure an UDP tunnel on the VirtualBox adapter
yield from self._control_vm("nic{} generic UDPTunnel".format(adapter_number + 1))
yield from self._control_vm("nicproperty{} sport={}".format(adapter_number + 1, nio.lport))
yield from self._control_vm("nicproperty{} dest={}".format(adapter_number + 1, nio.rhost))
yield from self._control_vm("nicproperty{} dport={}".format(adapter_number + 1, nio.rport))
yield from self._control_vm("setlinkstate{} on".format(adapter_number + 1))
# check if the UDP tunnel has been correctly set
vm_info = yield from self._get_vm_info()
generic_driver_number = "generic{}".format(adapter_number + 1)
if generic_driver_number not in vm_info and vm_info[generic_driver_number] != "UDPTunnel":
log.warning("UDP tunnel has not been set on nic: {}".format(adapter_number + 1))
self.project.emit("log.warning", {"message": "UDP tunnel has not been set on nic: {}".format(adapter_number + 1)})
elif isinstance(nio, NIONAT):
yield from self._control_vm("nic{} nat".format(adapter_number + 1))
yield from self._control_vm("setlinkstate{} on".format(adapter_number + 1))
adapter.add_nio(0, nio)
log.info("VirtualBox VM '{name}' [{id}]: {nio} added to adapter {adapter_number}".format(name=self.name,
id=self.id,
nio=nio,
adapter_number=adapter_number))
@asyncio.coroutine
def adapter_remove_nio_binding(self, adapter_number):
"""
Removes an adapter NIO binding.
:param adapter_number: adapter number
:returns: NIO instance
"""
try:
adapter = self._ethernet_adapters[adapter_number]
except KeyError:
raise VirtualBoxError("Adapter {adapter_number} doesn't exist on VirtualBox VM '{name}'".format(name=self.name,
adapter_number=adapter_number))
vm_state = yield from self._get_vm_state()
if vm_state == "running":
# dynamically disable the VirtualBox adapter
yield from self._control_vm("setlinkstate{} off".format(adapter_number + 1))
yield from self._control_vm("nic{} null".format(adapter_number + 1))
nio = adapter.get_nio(0)
if isinstance(nio, NIOUDP):
self.manager.port_manager.release_udp_port(nio.lport, self._project)
adapter.remove_nio(0)
log.info("VirtualBox VM '{name}' [{id}]: {nio} removed from adapter {adapter_number}".format(name=self.name,
id=self.id,
nio=nio,
adapter_number=adapter_number))
return nio
@asyncio.coroutine
def start_capture(self, adapter_number, output_file):
"""
Starts a packet capture.
:param adapter_number: adapter number
:param output_file: PCAP destination file for the capture
"""
try:
adapter = self._ethernet_adapters[adapter_number]
except KeyError:
raise VirtualBoxError("Adapter {adapter_number} doesn't exist on VirtualBox VM '{name}'".format(name=self.name,
adapter_number=adapter_number))
vm_state = yield from self._get_vm_state()
if vm_state == "running" or vm_state == "paused" or vm_state == "stuck":
raise VirtualBoxError("Sorry, packet capturing on a started VirtualBox VM is not supported.")
nio = adapter.get_nio(0)
if not nio:
raise VirtualBoxError("Adapter {} is not connected".format(adapter_number))
if nio.capturing:
raise VirtualBoxError("Packet capture is already activated on adapter {adapter_number}".format(adapter_number=adapter_number))
nio.startPacketCapture(output_file)
log.info("VirtualBox VM '{name}' [{id}]: starting packet capture on adapter {adapter_number}".format(name=self.name,
id=self.id,
adapter_number=adapter_number))
def stop_capture(self, adapter_number):
"""
Stops a packet capture.
:param adapter_number: adapter number
"""
try:
adapter = self._ethernet_adapters[adapter_number]
except KeyError:
raise VirtualBoxError("Adapter {adapter_number} doesn't exist on VirtualBox VM '{name}'".format(name=self.name,
adapter_number=adapter_number))
nio = adapter.get_nio(0)
if not nio:
raise VirtualBoxError("Adapter {} is not connected".format(adapter_number))
nio.stopPacketCapture()
log.info("VirtualBox VM '{name}' [{id}]: stopping packet capture on adapter {adapter_number}".format(name=self.name,
id=self.id,
adapter_number=adapter_number))