mirror of
https://github.com/GNS3/gns3-server
synced 2024-11-28 11:18:11 +00:00
2764828f38
* The PCAP file is directly accessed if controller and client are on the same host. * The PCAP file is streamed from the compute server to the client with the controller as a proxy when the controller is remote for the client.
1134 lines
50 KiB
Python
1134 lines
50 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 re
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import os
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import sys
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import json
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import uuid
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import shlex
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import shutil
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import asyncio
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import tempfile
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import xml.etree.ElementTree as ET
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from gns3server.utils import parse_version
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from gns3server.utils.asyncio.telnet_server import AsyncioTelnetServer
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from gns3server.utils.asyncio.serial import asyncio_open_serial
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from gns3server.utils.asyncio import locking
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from gns3server.compute.virtualbox.virtualbox_error import VirtualBoxError
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from gns3server.compute.nios.nio_udp import NIOUDP
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from gns3server.compute.adapters.ethernet_adapter import EthernetAdapter
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from gns3server.compute.base_node import BaseNode
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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(BaseNode):
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"""
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VirtualBox VM implementation.
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"""
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def __init__(self, name, node_id, project, manager, vmname, linked_clone=False, console=None, console_type="telnet", adapters=0):
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super().__init__(name, node_id, project, manager, console=console, linked_clone=linked_clone, console_type=console_type)
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self._maximum_adapters = 8
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self._system_properties = {}
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self._telnet_server = None
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self._local_udp_tunnels = {}
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# VirtualBox settings
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self._adapters = adapters
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self._ethernet_adapters = {}
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self._headless = False
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self._on_close = "power_off"
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self._vmname = vmname
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self._use_any_adapter = False
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self._ram = 0
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self._adapter_type = "Intel PRO/1000 MT Desktop (82540EM)"
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def __json__(self):
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json = {"name": self.name,
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"node_id": self.id,
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"console": self.console,
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"console_type": self.console_type,
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"project_id": self.project.id,
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"vmname": self.vmname,
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"headless": self.headless,
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"on_close": self.on_close,
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"adapters": self._adapters,
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"adapter_type": self.adapter_type,
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"ram": self.ram,
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"status": self.status,
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"use_any_adapter": self.use_any_adapter,
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"linked_clone": self.linked_clone}
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if self.linked_clone:
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json["node_directory"] = self.working_path
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else:
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json["node_directory"] = None
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return json
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@property
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def ethernet_adapters(self):
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return self._ethernet_adapters
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async def _get_system_properties(self):
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properties = await self.manager.execute("list", ["systemproperties"])
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for prop in properties:
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try:
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name, value = prop.split(':', 1)
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except ValueError:
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continue
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self._system_properties[name.strip()] = value.strip()
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async def _get_vm_state(self):
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"""
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Returns the VM state (e.g. running, paused etc.)
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:returns: state (string)
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"""
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results = await self.manager.execute("showvminfo", [self._vmname, "--machinereadable"])
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for info in results:
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if '=' in info:
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name, value = info.split('=', 1)
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if name == "VMState":
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return value.strip('"')
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raise VirtualBoxError("Could not get VM state for {}".format(self._vmname))
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async def _control_vm(self, params):
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"""
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Change setting in this VM when running.
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:param params: params to use with sub-command controlvm
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:returns: result of the command.
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"""
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args = shlex.split(params)
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result = await self.manager.execute("controlvm", [self._vmname] + args)
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return result
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async def _modify_vm(self, params):
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"""
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Change setting in this VM when not running.
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:param params: params to use with sub-command modifyvm
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"""
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args = shlex.split(params)
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await self.manager.execute("modifyvm", [self._vmname] + args)
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async def _check_duplicate_linked_clone(self):
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"""
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Without linked clone two VM using the same image can't run
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at the same time.
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To avoid issue like false detection when a project close
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and another open we try multiple times.
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"""
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trial = 0
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while True:
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found = False
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for node in self.manager.nodes:
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if node != self and node.vmname == self.vmname:
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found = True
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if node.project != self.project:
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if trial >= 30:
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raise VirtualBoxError("Sorry a node without the linked clone setting enabled can only be used once on your server.\n{} is already used by {} in project {}".format(self.vmname, node.name, self.project.name))
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else:
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if trial >= 5:
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raise VirtualBoxError("Sorry a node without the linked clone setting enabled can only be used once on your server.\n{} is already used by {} in this project".format(self.vmname, node.name))
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if not found:
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return
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trial += 1
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await asyncio.sleep(1)
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async def create(self):
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if not self.linked_clone:
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await self._check_duplicate_linked_clone()
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await self._get_system_properties()
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if "API version" not in self._system_properties:
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raise VirtualBoxError("Can't access to VirtualBox API version:\n{}".format(self._system_properties))
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if parse_version(self._system_properties["API version"]) < parse_version("4_3"):
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raise VirtualBoxError("The VirtualBox API version is lower than 4.3")
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log.info("VirtualBox VM '{name}' [{id}] created".format(name=self.name, id=self.id))
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if self.linked_clone:
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if self.id and os.path.isdir(os.path.join(self.working_dir, self._vmname)):
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self._patch_vm_uuid()
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await self.manager.execute("registervm", [self._linked_vbox_file()])
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await self._reattach_linked_hdds()
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else:
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await self._create_linked_clone()
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if self._adapters:
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await self.set_adapters(self._adapters)
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vm_info = await self._get_vm_info()
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if "memory" in vm_info:
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self._ram = int(vm_info["memory"])
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def _linked_vbox_file(self):
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return os.path.join(self.working_dir, self._vmname, self._vmname + ".vbox")
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def _patch_vm_uuid(self):
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"""
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Fix the VM uuid in the case of linked clone
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"""
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if os.path.exists(self._linked_vbox_file()):
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try:
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tree = ET.parse(self._linked_vbox_file())
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except ET.ParseError:
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raise VirtualBoxError("Cannot modify VirtualBox linked nodes file. "
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"File {} is corrupted.".format(self._linked_vbox_file()))
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except OSError as e:
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raise VirtualBoxError("Cannot modify VirtualBox linked nodes file '{}': {}".format(self._linked_vbox_file(), e))
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machine = tree.getroot().find("{http://www.virtualbox.org/}Machine")
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if machine is not None and machine.get("uuid") != "{" + self.id + "}":
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for image in tree.getroot().findall("{http://www.virtualbox.org/}Image"):
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currentSnapshot = machine.get("currentSnapshot")
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if currentSnapshot:
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newSnapshot = re.sub("\{.*\}", "{" + str(uuid.uuid4()) + "}", currentSnapshot)
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shutil.move(os.path.join(self.working_dir, self._vmname, "Snapshots", currentSnapshot) + ".vdi",
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os.path.join(self.working_dir, self._vmname, "Snapshots", newSnapshot) + ".vdi")
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image.set("uuid", newSnapshot)
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machine.set("uuid", "{" + self.id + "}")
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tree.write(self._linked_vbox_file())
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async def check_hw_virtualization(self):
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"""
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Returns either hardware virtualization is activated or not.
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:returns: boolean
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"""
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vm_info = await self._get_vm_info()
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if "hwvirtex" in vm_info and vm_info["hwvirtex"] == "on":
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return True
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return False
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@locking
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async 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.status == "started":
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return
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# resume the VM if it is paused
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vm_state = await self._get_vm_state()
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if vm_state == "paused":
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await self.resume()
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return
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# VM must be powered off to start it
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if vm_state != "poweroff":
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raise VirtualBoxError("VirtualBox VM not powered off")
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await self._set_network_options()
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await self._set_serial_console()
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# check if there is enough RAM to run
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self.check_available_ram(self.ram)
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args = [self._vmname]
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if self._headless:
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args.extend(["--type", "headless"])
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result = await self.manager.execute("startvm", args)
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self.status = "started"
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log.info("VirtualBox VM '{name}' [{id}] started".format(name=self.name, id=self.id))
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log.debug("Start result: {}".format(result))
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# add a guest property to let the VM know about the GNS3 name
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await self.manager.execute("guestproperty", ["set", self._vmname, "NameInGNS3", self.name])
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# add a guest property to let the VM know about the GNS3 project directory
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await self.manager.execute("guestproperty", ["set", self._vmname, "ProjectDirInGNS3", self.working_dir])
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await self._start_ubridge()
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for adapter_number in range(0, self._adapters):
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nio = self._ethernet_adapters[adapter_number].get_nio(0)
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if nio:
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await self.add_ubridge_udp_connection("VBOX-{}-{}".format(self._id, adapter_number),
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self._local_udp_tunnels[adapter_number][1],
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nio)
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await self._start_console()
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if (await self.check_hw_virtualization()):
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self._hw_virtualization = True
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@locking
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async def stop(self):
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"""
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Stops this VirtualBox VM.
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"""
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self._hw_virtualization = False
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await self._stop_ubridge()
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await self._stop_remote_console()
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vm_state = await self._get_vm_state()
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if vm_state == "running" or vm_state == "paused" or vm_state == "stuck":
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if self.on_close == "save_vm_state":
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result = await self._control_vm("savestate")
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self.status = "stopped"
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log.debug("Stop result: {}".format(result))
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elif self.on_close == "shutdown_signal":
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# use ACPI to shutdown the VM
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result = await self._control_vm("acpipowerbutton")
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trial = 0
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while True:
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vm_state = await self._get_vm_state()
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if vm_state == "poweroff":
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break
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await asyncio.sleep(1)
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trial += 1
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if trial >= 120:
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await self._control_vm("poweroff")
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break
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self.status = "stopped"
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log.debug("ACPI shutdown result: {}".format(result))
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else:
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# power off the VM
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result = await self._control_vm("poweroff")
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self.status = "stopped"
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log.debug("Stop result: {}".format(result))
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log.info("VirtualBox VM '{name}' [{id}] stopped".format(name=self.name, id=self.id))
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await asyncio.sleep(0.5) # give some time for VirtualBox to unlock the VM
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try:
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# deactivate the first serial port
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await self._modify_vm("--uart1 off")
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except VirtualBoxError as e:
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log.warning("Could not deactivate the first serial port: {}".format(e))
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for adapter_number in range(0, self._adapters):
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nio = self._ethernet_adapters[adapter_number].get_nio(0)
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if nio:
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await self._modify_vm("--nictrace{} off".format(adapter_number + 1))
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await self._modify_vm("--cableconnected{} off".format(adapter_number + 1))
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await self._modify_vm("--nic{} null".format(adapter_number + 1))
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await super().stop()
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async def suspend(self):
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"""
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Suspends this VirtualBox VM.
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"""
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vm_state = await self._get_vm_state()
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if vm_state == "running":
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await self._control_vm("pause")
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self.status = "suspended"
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log.info("VirtualBox VM '{name}' [{id}] suspended".format(name=self.name, id=self.id))
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else:
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log.warning("VirtualBox VM '{name}' [{id}] cannot be suspended, current state: {state}".format(name=self.name,
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id=self.id,
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state=vm_state))
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async def resume(self):
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"""
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Resumes this VirtualBox VM.
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"""
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await self._control_vm("resume")
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self.status = "started"
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log.info("VirtualBox VM '{name}' [{id}] resumed".format(name=self.name, id=self.id))
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async def reload(self):
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"""
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Reloads this VirtualBox VM.
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"""
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result = await self._control_vm("reset")
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log.info("VirtualBox VM '{name}' [{id}] reloaded".format(name=self.name, id=self.id))
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log.debug("Reload result: {}".format(result))
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async def _get_all_hdd_files(self):
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hdds = []
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properties = await self.manager.execute("list", ["hdds"])
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for prop in properties:
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try:
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name, value = prop.split(':', 1)
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except ValueError:
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continue
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if name.strip() == "Location":
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hdds.append(value.strip())
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return hdds
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async def _reattach_linked_hdds(self):
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"""
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Reattach linked cloned hard disks.
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"""
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hdd_info_file = os.path.join(self.working_dir, self._vmname, "hdd_info.json")
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try:
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with open(hdd_info_file, "r", encoding="utf-8") as f:
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hdd_table = json.load(f)
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except (ValueError, OSError) as e:
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# The VM has never be started
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return
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for hdd_info in hdd_table:
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hdd_file = os.path.join(self.working_dir, self._vmname, "Snapshots", hdd_info["hdd"])
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if os.path.exists(hdd_file):
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log.info("VirtualBox VM '{name}' [{id}] attaching HDD {controller} {port} {device} {medium}".format(name=self.name,
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id=self.id,
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controller=hdd_info["controller"],
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port=hdd_info["port"],
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device=hdd_info["device"],
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medium=hdd_file))
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try:
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await self._storage_attach('--storagectl "{}" --port {} --device {} --type hdd --medium "{}"'.format(hdd_info["controller"],
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hdd_info["port"],
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hdd_info["device"],
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hdd_file))
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except VirtualBoxError as e:
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log.warning("VirtualBox VM '{name}' [{id}] error reattaching HDD {controller} {port} {device} {medium}: {error}".format(name=self.name,
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id=self.id,
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controller=hdd_info["controller"],
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port=hdd_info["port"],
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device=hdd_info["device"],
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medium=hdd_file,
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error=e))
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continue
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async def save_linked_hdds_info(self):
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"""
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Save linked cloned hard disks information.
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:returns: disk table information
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"""
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hdd_table = []
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if self.linked_clone:
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if os.path.exists(self.working_dir):
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hdd_files = await self._get_all_hdd_files()
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vm_info = await self._get_vm_info()
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for entry, value in vm_info.items():
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match = re.search("^([\s\w]+)\-(\d)\-(\d)$", entry) # match Controller-PortNumber-DeviceNumber entry
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if match:
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controller = match.group(1)
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port = match.group(2)
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device = match.group(3)
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if value in hdd_files and os.path.exists(os.path.join(self.working_dir, self._vmname, "Snapshots", os.path.basename(value))):
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log.info("VirtualBox VM '{name}' [{id}] detaching HDD {controller} {port} {device}".format(name=self.name,
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id=self.id,
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controller=controller,
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port=port,
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device=device))
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hdd_table.append(
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{
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"hdd": os.path.basename(value),
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"controller": controller,
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"port": port,
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"device": device,
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}
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)
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if hdd_table:
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try:
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hdd_info_file = os.path.join(self.working_dir, self._vmname, "hdd_info.json")
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with open(hdd_info_file, "w", encoding="utf-8") as f:
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json.dump(hdd_table, f, indent=4)
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except OSError as e:
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log.warning("VirtualBox VM '{name}' [{id}] could not write HHD info file: {error}".format(name=self.name,
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id=self.id,
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error=e.strerror))
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return hdd_table
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async def close(self):
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"""
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Closes this VirtualBox VM.
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"""
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if self._closed:
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# VM is already closed
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return
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if not (await super().close()):
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return False
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log.debug("VirtualBox VM '{name}' [{id}] is closing".format(name=self.name, id=self.id))
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if self._console:
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self._manager.port_manager.release_tcp_port(self._console, self._project)
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self._console = None
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for adapter in self._ethernet_adapters.values():
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|
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)
|
|
|
|
for udp_tunnel in self._local_udp_tunnels.values():
|
|
self.manager.port_manager.release_udp_port(udp_tunnel[0].lport, self._project)
|
|
self.manager.port_manager.release_udp_port(udp_tunnel[1].lport, self._project)
|
|
self._local_udp_tunnels = {}
|
|
|
|
self.on_close = "power_off"
|
|
await self.stop()
|
|
|
|
if self.linked_clone:
|
|
hdd_table = await 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:
|
|
await self._storage_attach('--storagectl "{}" --port {} --device {} --type hdd --medium none'.format(hdd["controller"],
|
|
hdd["port"],
|
|
hdd["device"]))
|
|
except VirtualBoxError as e:
|
|
log.warning("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))
|
|
await 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 on_close(self):
|
|
"""
|
|
Returns the action to execute when the VM is stopped/closed
|
|
|
|
:returns: string
|
|
"""
|
|
|
|
return self._on_close
|
|
|
|
@on_close.setter
|
|
def on_close(self, on_close):
|
|
"""
|
|
Sets the action to execute when the VM is stopped/closed
|
|
|
|
:param on_close: string
|
|
"""
|
|
|
|
log.info('VirtualBox VM "{name}" [{id}] set the close action to "{action}"'.format(name=self._name, id=self._id, action=on_close))
|
|
self._on_close = on_close
|
|
|
|
@property
|
|
def ram(self):
|
|
"""
|
|
Returns the amount of RAM allocated to this VirtualBox VM.
|
|
|
|
:returns: amount RAM in MB (integer)
|
|
"""
|
|
|
|
return self._ram
|
|
|
|
async 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
|
|
|
|
await 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
|
|
|
|
async def set_vmname(self, vmname):
|
|
"""
|
|
Renames the VirtualBox VM.
|
|
|
|
:param vmname: VirtualBox VM name
|
|
"""
|
|
|
|
if vmname == self._vmname:
|
|
return
|
|
|
|
if self.linked_clone:
|
|
if self.status == "started":
|
|
raise VirtualBoxError("You can't change the name of running VM {}".format(self._name))
|
|
# We can't rename a VM to name that already exists
|
|
vms = await self.manager.list_vms(allow_clone=True)
|
|
if vmname in [vm["vmname"] for vm in vms]:
|
|
raise VirtualBoxError("You can't change the name to {} it's already use in VirtualBox".format(vmname))
|
|
await 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
|
|
|
|
async 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
|
|
vm_info = await self._get_vm_info()
|
|
chipset = "piix3" # default chipset for VirtualBox VMs
|
|
self._maximum_adapters = 8 # default maximum network adapter count for PIIX3 chipset
|
|
if "chipset" in vm_info:
|
|
chipset = vm_info["chipset"]
|
|
max_adapter_string = "Maximum {} Network Adapter count".format(chipset.upper())
|
|
if max_adapter_string in self._system_properties:
|
|
try:
|
|
self._maximum_adapters = int(self._system_properties[max_adapter_string])
|
|
except ValueError:
|
|
log.error("Could not convert system property to integer: {} = {}".format(max_adapter_string, self._system_properties[max_adapter_string]))
|
|
else:
|
|
log.warning("Could not find system property '{}' for chipset {}".format(max_adapter_string, chipset))
|
|
|
|
log.info("VirtualBox VM '{name}' [{id}] can have a maximum of {max} network adapters for chipset {chipset}".format(name=self.name,
|
|
id=self.id,
|
|
max=self._maximum_adapters,
|
|
chipset=chipset.upper()))
|
|
if adapters > self._maximum_adapters:
|
|
raise VirtualBoxError("The configured {} chipset limits the VM to {} network adapters. The chipset can be changed outside GNS3 in the VirtualBox VM settings.".format(chipset.upper(),
|
|
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))
|
|
|
|
async def _get_vm_info(self):
|
|
"""
|
|
Returns this VM info.
|
|
|
|
:returns: dict of info
|
|
"""
|
|
|
|
vm_info = {}
|
|
results = await 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
|
|
|
|
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
|
|
|
|
async def _set_serial_console(self):
|
|
"""
|
|
Configures the first serial port to allow a serial console connection.
|
|
"""
|
|
|
|
# activate the first serial port
|
|
await 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]
|
|
await self.manager.execute("modifyvm", args)
|
|
|
|
async def _storage_attach(self, params):
|
|
"""
|
|
Change storage medium in this VM.
|
|
|
|
:param params: params to use with sub-command storageattach
|
|
"""
|
|
|
|
args = shlex.split(params)
|
|
await self.manager.execute("storageattach", [self._vmname] + args)
|
|
|
|
async 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 = await 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
|
|
|
|
async def _set_network_options(self):
|
|
"""
|
|
Configures network options.
|
|
"""
|
|
|
|
nic_attachments = await 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.
|
|
await 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.
|
|
await self._modify_vm("--nic{} null".format(adapter_number + 1))
|
|
await self._modify_vm("--cableconnected{} off".format(adapter_number + 1))
|
|
|
|
# use a local UDP tunnel to connect to uBridge instead
|
|
if adapter_number not in self._local_udp_tunnels:
|
|
self._local_udp_tunnels[adapter_number] = self._create_local_udp_tunnel()
|
|
nio = self._local_udp_tunnels[adapter_number][0]
|
|
|
|
if nio:
|
|
if not self._use_any_adapter and attachment in ("nat", "bridged", "intnet", "hostonly", "natnetwork"):
|
|
continue
|
|
|
|
await self._modify_vm("--nictrace{} off".format(adapter_number + 1))
|
|
|
|
custom_adapter = self._get_custom_adapter_settings(adapter_number)
|
|
adapter_type = custom_adapter.get("adapter_type", self._adapter_type)
|
|
|
|
vbox_adapter_type = "82540EM"
|
|
if adapter_type == "PCnet-PCI II (Am79C970A)":
|
|
vbox_adapter_type = "Am79C970A"
|
|
if adapter_type == "PCNet-FAST III (Am79C973)":
|
|
vbox_adapter_type = "Am79C973"
|
|
if adapter_type == "Intel PRO/1000 MT Desktop (82540EM)":
|
|
vbox_adapter_type = "82540EM"
|
|
if adapter_type == "Intel PRO/1000 T Server (82543GC)":
|
|
vbox_adapter_type = "82543GC"
|
|
if adapter_type == "Intel PRO/1000 MT Server (82545EM)":
|
|
vbox_adapter_type = "82545EM"
|
|
if adapter_type == "Paravirtualized Network (virtio-net)":
|
|
vbox_adapter_type = "virtio"
|
|
args = [self._vmname, "--nictype{}".format(adapter_number + 1), vbox_adapter_type]
|
|
await self.manager.execute("modifyvm", args)
|
|
|
|
if isinstance(nio, NIOUDP):
|
|
log.debug("setting UDP params on adapter {}".format(adapter_number))
|
|
await self._modify_vm("--nic{} generic".format(adapter_number + 1))
|
|
await self._modify_vm("--nicgenericdrv{} UDPTunnel".format(adapter_number + 1))
|
|
await self._modify_vm("--nicproperty{} sport={}".format(adapter_number + 1, nio.lport))
|
|
await self._modify_vm("--nicproperty{} dest={}".format(adapter_number + 1, nio.rhost))
|
|
await self._modify_vm("--nicproperty{} dport={}".format(adapter_number + 1, nio.rport))
|
|
if nio.suspend:
|
|
await self._modify_vm("--cableconnected{} off".format(adapter_number + 1))
|
|
else:
|
|
await self._modify_vm("--cableconnected{} on".format(adapter_number + 1))
|
|
|
|
if nio.capturing:
|
|
await self._modify_vm("--nictrace{} on".format(adapter_number + 1))
|
|
await self._modify_vm('--nictracefile{} "{}"'.format(adapter_number + 1, nio.pcap_output_file))
|
|
|
|
if not self._ethernet_adapters[adapter_number].get_nio(0):
|
|
await self._modify_vm("--cableconnected{} off".format(adapter_number + 1))
|
|
|
|
for adapter_number in range(self._adapters, self._maximum_adapters):
|
|
log.debug("disabling remaining adapter {}".format(adapter_number))
|
|
await self._modify_vm("--nic{} none".format(adapter_number + 1))
|
|
|
|
async def _create_linked_clone(self):
|
|
"""
|
|
Creates a new linked clone.
|
|
"""
|
|
|
|
gns3_snapshot_exists = False
|
|
vm_info = await 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 = await 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 = await self.manager.execute("clonevm", args)
|
|
log.debug("VirtualBox VM: {} cloned".format(result))
|
|
|
|
self._vmname = self._name
|
|
await self.manager.execute("setextradata", [self._vmname, "GNS3/Clone", "yes"])
|
|
|
|
# We create a reset snapshot in order to simplify life of user who want to rollback their VM
|
|
# Warning: Do not document this it's seem buggy we keep it because Raizo students use it.
|
|
try:
|
|
args = [self._vmname, "take", "reset"]
|
|
result = await self.manager.execute("snapshot", args)
|
|
log.debug("Snapshot 'reset' created: {}".format(result))
|
|
# It seem sometimes this failed due to internal race condition of Vbox
|
|
# we have no real explanation of this.
|
|
except VirtualBoxError:
|
|
log.warning("Snapshot 'reset' not created")
|
|
|
|
os.makedirs(os.path.join(self.working_dir, self._vmname), exist_ok=True)
|
|
|
|
async def _start_console(self):
|
|
"""
|
|
Starts remote console support for this VM.
|
|
"""
|
|
|
|
if self.console and self.console_type == "telnet":
|
|
pipe_name = self._get_pipe_name()
|
|
try:
|
|
self._remote_pipe = await asyncio_open_serial(pipe_name)
|
|
except OSError as e:
|
|
raise VirtualBoxError("Could not open serial pipe '{}': {}".format(pipe_name, e))
|
|
server = AsyncioTelnetServer(reader=self._remote_pipe,
|
|
writer=self._remote_pipe,
|
|
binary=True,
|
|
echo=True)
|
|
try:
|
|
self._telnet_server = await asyncio.start_server(server.run, self._manager.port_manager.console_host, self.console)
|
|
except OSError as e:
|
|
self.project.emit("log.warning", {"message": "Could not start Telnet server on socket {}:{}: {}".format(self._manager.port_manager.console_host, self.console, e)})
|
|
|
|
async def _stop_remote_console(self):
|
|
"""
|
|
Stops remote console support for this VM.
|
|
"""
|
|
if self._telnet_server:
|
|
self._telnet_server.close()
|
|
await self._telnet_server.wait_closed()
|
|
self._remote_pipe.close()
|
|
self._telnet_server = None
|
|
|
|
@BaseNode.console_type.setter
|
|
def console_type(self, new_console_type):
|
|
"""
|
|
Sets the console type for this VirtualBox VM.
|
|
|
|
:param new_console_type: console type (string)
|
|
"""
|
|
|
|
if self.is_running() and self.console_type != new_console_type:
|
|
raise VirtualBoxError('"{name}" must be stopped to change the console type to {new_console_type}'.format(name=self._name, new_console_type=new_console_type))
|
|
|
|
super(VirtualBoxVM, VirtualBoxVM).console_type.__set__(self, new_console_type)
|
|
|
|
async 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))
|
|
|
|
# check if trying to connect to a nat, bridged, host-only or any other special adapter
|
|
nic_attachments = await self._get_nic_attachements(self._maximum_adapters)
|
|
attachment = nic_attachments[adapter_number]
|
|
if attachment in ("nat", "bridged", "intnet", "hostonly", "natnetwork"):
|
|
if not self._use_any_adapter:
|
|
raise VirtualBoxError("Attachment '{attachment}' is already configured on adapter {adapter_number}. "
|
|
"Please remove it or allow VirtualBox VM '{name}' to use any adapter.".format(attachment=attachment,
|
|
adapter_number=adapter_number,
|
|
name=self.name))
|
|
elif self.is_running():
|
|
# dynamically configure an UDP tunnel attachment if the VM is already running
|
|
local_nio = self._local_udp_tunnels[adapter_number][0]
|
|
if local_nio and isinstance(local_nio, NIOUDP):
|
|
await self._control_vm("nic{} generic UDPTunnel".format(adapter_number + 1))
|
|
await self._control_vm("nicproperty{} sport={}".format(adapter_number + 1, local_nio.lport))
|
|
await self._control_vm("nicproperty{} dest={}".format(adapter_number + 1, local_nio.rhost))
|
|
await self._control_vm("nicproperty{} dport={}".format(adapter_number + 1, local_nio.rport))
|
|
await self._control_vm("setlinkstate{} on".format(adapter_number + 1))
|
|
|
|
if self.is_running():
|
|
try:
|
|
await self.add_ubridge_udp_connection("VBOX-{}-{}".format(self._id, adapter_number),
|
|
self._local_udp_tunnels[adapter_number][1],
|
|
nio)
|
|
except KeyError:
|
|
raise VirtualBoxError("Adapter {adapter_number} doesn't exist on VirtualBox VM '{name}'".format(name=self.name,
|
|
adapter_number=adapter_number))
|
|
await 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))
|
|
|
|
async def adapter_update_nio_binding(self, adapter_number, nio):
|
|
"""
|
|
Update an adapter NIO binding.
|
|
|
|
:param adapter_number: adapter number
|
|
:param nio: NIO instance to update on the adapter
|
|
"""
|
|
|
|
if self.is_running():
|
|
try:
|
|
await self.update_ubridge_udp_connection("VBOX-{}-{}".format(self._id, adapter_number),
|
|
self._local_udp_tunnels[adapter_number][1],
|
|
nio)
|
|
if nio.suspend:
|
|
await self._control_vm("setlinkstate{} off".format(adapter_number + 1))
|
|
else:
|
|
await self._control_vm("setlinkstate{} on".format(adapter_number + 1))
|
|
except IndexError:
|
|
raise VirtualBoxError('Adapter {adapter_number} does not exist on VirtualBox VM "{name}"'.format(name=self._name,
|
|
adapter_number=adapter_number))
|
|
|
|
async 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))
|
|
|
|
if self.is_running():
|
|
await self._ubridge_send("bridge delete {name}".format(name="VBOX-{}-{}".format(self._id, adapter_number)))
|
|
vm_state = await self._get_vm_state()
|
|
if vm_state == "running":
|
|
await self._control_vm("setlinkstate{} off".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
|
|
|
|
def get_nio(self, adapter_number):
|
|
"""
|
|
Gets 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))
|
|
|
|
nio = adapter.get_nio(0)
|
|
|
|
if not nio:
|
|
raise VirtualBoxError("Adapter {} is not connected".format(adapter_number))
|
|
|
|
return nio
|
|
|
|
def is_running(self):
|
|
"""
|
|
:returns: True if the vm is not stopped
|
|
"""
|
|
return self.ubridge is not None
|
|
|
|
async 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
|
|
"""
|
|
|
|
nio = self.get_nio(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)
|
|
|
|
if self.ubridge:
|
|
await self._ubridge_send('bridge start_capture {name} "{output_file}"'.format(name="VBOX-{}-{}".format(self._id, adapter_number),
|
|
output_file=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))
|
|
|
|
async def stop_capture(self, adapter_number):
|
|
"""
|
|
Stops a packet capture.
|
|
|
|
:param adapter_number: adapter number
|
|
"""
|
|
|
|
nio = self.get_nio(adapter_number)
|
|
nio.stopPacketCapture()
|
|
|
|
if self.ubridge:
|
|
await self._ubridge_send('bridge stop_capture {name}'.format(name="VBOX-{}-{}".format(self._id, adapter_number)))
|
|
|
|
log.info("VirtualBox VM '{name}' [{id}]: stopping packet capture on adapter {adapter_number}".format(name=self.name,
|
|
id=self.id,
|
|
adapter_number=adapter_number))
|