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mirror of https://github.com/GNS3/gns3-server synced 2024-11-12 19:38:57 +00:00
gns3-server/gns3server/compute/virtualbox/virtualbox_vm.py
2016-05-17 19:51:06 +02:00

1038 lines
44 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 gns3server.utils 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_node import BaseNode
if sys.platform.startswith('win'):
import msvcrt
import win32file
import logging
log = logging.getLogger(__name__)
class VirtualBoxVM(BaseNode):
"""
VirtualBox VM implementation.
"""
def __init__(self, name, node_id, project, manager, vmname, linked_clone, console=None, adapters=0):
super().__init__(name, node_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,
"node_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,
"status": self.status,
"use_any_adapter": self.use_any_adapter}
if self._linked_clone:
json["node_directory"] = self.working_dir
else:
json["node_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_linked_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)
self.status = "started"
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")
self.status = "stopped"
log.debug("ACPI shutdown result: {}".format(result))
else:
# power off the VM
result = yield from self._control_vm("poweroff")
self.status = "stopped"
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")
self.status = "suspended"
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")
self.status = "started"
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_linked_hdds(self):
"""
Reattach linked cloned hard disks.
"""
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))
try:
yield from self._storage_attach('--storagectl "{}" --port {} --device {} --type hdd --medium "{}"'.format(hdd_info["controller"],
hdd_info["port"],
hdd_info["device"],
hdd_file))
except VirtualBoxError as e:
log.warn("VirtualBox VM '{name}' [{id}] error reattaching HDD {controller} {port} {device} {medium}: {error}".format(name=self.name,
id=self.id,
controller=hdd_info["controller"],
port=hdd_info["port"],
device=hdd_info["device"],
medium=hdd_file,
error=e))
continue
@asyncio.coroutine
def save_linked_hdds_info(self):
"""
Save linked cloned hard disks information.
:returns: disk table information
"""
hdd_table = []
if self._linked_clone:
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) # match Controller-PortNumber-DeviceNumber entry
if match:
controller = match.group(1)
port = match.group(2)
device = match.group(3)
if value in hdd_files and os.path.exists(os.path.join(self.working_dir, self._vmname, "Snapshots", os.path.basename(value))):
log.info("VirtualBox VM '{name}' [{id}] detaching HDD {controller} {port} {device}".format(name=self.name,
id=self.id,
controller=controller,
port=port,
device=device))
hdd_table.append(
{
"hdd": os.path.basename(value),
"controller": controller,
"port": port,
"device": device,
}
)
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))
return hdd_table
@asyncio.coroutine
def close(self):
"""
Closes this VirtualBox VM.
"""
if self._closed:
# VM is already closed
return
if not (yield from super().close()):
return False
log.debug("VirtualBox VM '{name}' [{id}] is closing".format(name=self.name, id=self.id))
if self._console:
self._manager.port_manager.release_tcp_port(self._console, self._project)
self._console = None
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 = yield from self.save_linked_hdds_info()
for hdd in hdd_table.copy():
log.info("VirtualBox VM '{name}' [{id}] detaching HDD {controller} {port} {device}".format(name=self.name,
id=self.id,
controller=hdd["controller"],
port=hdd["port"],
device=hdd["device"]))
try:
yield from self._storage_attach('--storagectl "{}" --port {} --device {} --type hdd --medium none'.format(hdd["controller"],
hdd["port"],
hdd["device"]))
except VirtualBoxError as e:
log.warn("VirtualBox VM '{name}' [{id}] error detaching HDD {controller} {port} {device}: {error}".format(name=self.name,
id=self.id,
controller=hdd["controller"],
port=hdd["port"],
device=hdd["device"],
error=e))
continue
log.info("VirtualBox VM '{name}' [{id}] unregistering".format(name=self.name, id=self.id))
yield from self.manager.execute("unregistervm", [self._name])
log.info("VirtualBox VM '{name}' [{id}] closed".format(name=self.name, id=self.id))
self._closed = True
@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))