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gns3-server/gns3server/modules/vmware/vmware_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

986 lines
40 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright (C) 2015 GNS3 Technologies Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
VMware VM instance.
"""
import sys
import os
import socket
import asyncio
import tempfile
from gns3server.utils.telnet_server import TelnetServer
from gns3server.utils.interfaces import get_windows_interfaces
from gns3server.utils.asyncio import wait_for_file_creation, wait_for_named_pipe_creation
from collections import OrderedDict
from .vmware_error import VMwareError
from ..nios.nio_udp import NIOUDP
from ..nios.nio_nat import NIONAT
from .nio_vmnet import NIOVMNET
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 VMwareVM(BaseVM):
"""
VMware VM implementation.
"""
def __init__(self, name, vm_id, project, manager, vmx_path, linked_clone, console=None):
super().__init__(name, vm_id, project, manager, console=console)
self._linked_clone = linked_clone
self._vmx_pairs = OrderedDict()
self._telnet_server_thread = None
self._serial_pipe = None
self._vmnets = []
self._maximum_adapters = 10
self._started = False
self._closed = False
# VMware VM settings
self._headless = False
self._vmx_path = vmx_path
self._enable_remote_console = False
self._acpi_shutdown = False
self._adapters = 0
self._ethernet_adapters = {}
self._adapter_type = "e1000"
self._use_ubridge = True
self._use_any_adapter = False
if not os.path.exists(vmx_path):
raise VMwareError('VMware VM "{name}" [{id}]: could not find VMX file "{vmx_path}"'.format(name=name, id=vm_id, vmx_path=vmx_path))
def __json__(self):
json = {"name": self.name,
"vm_id": self.id,
"console": self.console,
"project_id": self.project.id,
"vmx_path": self.vmx_path,
"headless": self.headless,
"acpi_shutdown": self.acpi_shutdown,
"enable_remote_console": self.enable_remote_console,
"adapters": self._adapters,
"adapter_type": self.adapter_type,
"use_ubridge": self.use_ubridge,
"use_any_adapter": self.use_any_adapter,
"vm_directory": self.working_dir}
return json
@property
def vmnets(self):
return self._vmnets
@asyncio.coroutine
def _control_vm(self, subcommand, *additional_args):
args = [self._vmx_path]
args.extend(additional_args)
result = yield from self.manager.execute(subcommand, args)
log.debug("Control VM '{}' result: {}".format(subcommand, result))
return result
def _read_vmx_file(self):
"""
Reads from the VMware VMX file corresponding to this VM.
"""
try:
self._vmx_pairs = self.manager.parse_vmware_file(self._vmx_path)
except OSError as e:
raise VMwareError('Could not read VMware VMX file "{}": {}'.format(self._vmx_path, e))
def _write_vmx_file(self):
"""
Writes pairs to the VMware VMX file corresponding to this VM.
"""
try:
self.manager.write_vmx_file(self._vmx_path, self._vmx_pairs)
except OSError as e:
raise VMwareError('Could not write VMware VMX file "{}": {}'.format(self._vmx_path, e))
@asyncio.coroutine
def is_running(self):
result = yield from self.manager.execute("list", [])
if self._vmx_path in result:
return True
return False
@asyncio.coroutine
def create(self):
"""
Creates this VM and handle linked clones.
"""
yield from self.manager.check_vmrun_version()
if self._linked_clone and not os.path.exists(os.path.join(self.working_dir, os.path.basename(self._vmx_path))):
# create the base snapshot for linked clones
base_snapshot_name = "GNS3 Linked Base for clones"
vmsd_path = os.path.splitext(self._vmx_path)[0] + ".vmsd"
if not os.path.exists(vmsd_path):
raise VMwareError("{} doesn't not exist".format(vmsd_path))
try:
vmsd_pairs = self.manager.parse_vmware_file(vmsd_path)
except OSError as e:
raise VMwareError('Could not read VMware VMSD file "{}": {}'.format(vmsd_path, e))
gns3_snapshot_exists = False
for value in vmsd_pairs.values():
if value == base_snapshot_name:
gns3_snapshot_exists = True
break
if not gns3_snapshot_exists:
log.info("Creating snapshot '{}'".format(base_snapshot_name))
yield from self._control_vm("snapshot", base_snapshot_name)
# create the linked clone based on the base snapshot
new_vmx_path = os.path.join(self.working_dir, self.name + ".vmx")
yield from self._control_vm("clone",
new_vmx_path,
"linked",
"-snapshot={}".format(base_snapshot_name),
"-cloneName={}".format(self.name))
try:
vmsd_pairs = self.manager.parse_vmware_file(vmsd_path)
except OSError as e:
raise VMwareError('Could not read VMware VMSD file "{}": {}'.format(vmsd_path, e))
snapshot_name = None
for name, value in vmsd_pairs.items():
if value == base_snapshot_name:
snapshot_name = name.split(".", 1)[0]
break
if snapshot_name is None:
raise VMwareError("Could not find the linked base snapshot in {}".format(vmsd_path))
num_clones_entry = "{}.numClones".format(snapshot_name)
if num_clones_entry in vmsd_pairs:
try:
nb_of_clones = int(vmsd_pairs[num_clones_entry])
except ValueError:
raise VMwareError("Value of {} in {} is not a number".format(num_clones_entry, vmsd_path))
vmsd_pairs[num_clones_entry] = str(nb_of_clones - 1)
for clone_nb in range(0, nb_of_clones):
clone_entry = "{}.clone{}".format(snapshot_name, clone_nb)
if clone_entry in vmsd_pairs:
del vmsd_pairs[clone_entry]
try:
self.manager.write_vmware_file(vmsd_path, vmsd_pairs)
except OSError as e:
raise VMwareError('Could not write VMware VMSD file "{}": {}'.format(vmsd_path, e))
# update the VMX file path
self._vmx_path = new_vmx_path
def _get_vmx_setting(self, name, value=None):
if name in self._vmx_pairs:
if value is not None:
if self._vmx_pairs[name] == value:
return value
else:
return self._vmx_pairs[name]
return None
def _set_network_options(self):
"""
Set up VMware networking.
"""
# first some sanity checks
for adapter_number in range(0, self._adapters):
# we want the vmnet interface to be connected when starting the VM
connected = "ethernet{}.startConnected".format(adapter_number)
if self._get_vmx_setting(connected):
del self._vmx_pairs[connected]
# check for adapter type
if self._adapter_type != "default":
adapter_type = "ethernet{}.virtualdev".format(adapter_number)
if adapter_type in self._vmx_pairs and self._vmx_pairs[adapter_type] != self._adapter_type:
raise VMwareError("Existing VMware network adapter {} is not of type {}, please fix or set adapter type to default in GNS3".format(adapter_number,
self._adapter_type))
# # check if any vmnet interface managed by GNS3 is being used on existing VMware adapters
# if self._get_vmx_setting("ethernet{}.present".format(adapter_number), "TRUE"):
# connection_type = "ethernet{}.connectiontype".format(adapter_number)
# if connection_type in self._vmx_pairs and self._vmx_pairs[connection_type] in ("hostonly", "custom"):
# vnet = "ethernet{}.vnet".format(adapter_number)
# if vnet in self._vmx_pairs:
# vmnet = os.path.basename(self._vmx_pairs[vnet])
# #nio = self._ethernet_adapters[adapter_number].get_nio(0)
# if self.manager.is_managed_vmnet(vmnet):
# raise VMwareError("Network adapter {} is already associated with VMnet interface {} which is managed by GNS3, please remove".format(adapter_number, vmnet))
# then configure VMware network adapters
self.manager.refresh_vmnet_list(ubridge=self._use_ubridge)
for adapter_number in range(0, self._adapters):
# add/update the interface
ethernet_adapter = {"ethernet{}.present".format(adapter_number): "TRUE",
"ethernet{}.addresstype".format(adapter_number): "generated",
"ethernet{}.generatedaddressoffset".format(adapter_number): "0"}
self._vmx_pairs.update(ethernet_adapter)
if self._adapter_type != "default":
self._vmx_pairs["ethernet{}.virtualdev".format(adapter_number)] = self._adapter_type
connection_type = "ethernet{}.connectiontype".format(adapter_number)
if not self._use_any_adapter and connection_type in self._vmx_pairs and self._vmx_pairs[connection_type] in ("nat", "bridged", "hostonly"):
continue
self._vmx_pairs["ethernet{}.connectiontype".format(adapter_number)] = "custom"
if self._use_ubridge:
# make sure we have a vmnet per adapter if we use uBridge
allocate_vmnet = False
# first check if a vmnet is already assigned to the adapter
vnet = "ethernet{}.vnet".format(adapter_number)
if vnet in self._vmx_pairs:
vmnet = os.path.basename(self._vmx_pairs[vnet])
if self.manager.is_managed_vmnet(vmnet) or vmnet == "vmnet0":
# vmnet already managed, try to allocate a new one
allocate_vmnet = True
else:
# otherwise allocate a new one
allocate_vmnet = True
if allocate_vmnet:
try:
vmnet = self.manager.allocate_vmnet()
except:
# clear everything up in case of error (e.g. no enough vmnets)
self._vmnets.clear()
raise
# mark the vmnet managed by us
if vmnet not in self._vmnets:
self._vmnets.append(vmnet)
self._vmx_pairs["ethernet{}.vnet".format(adapter_number)] = vmnet
else:
# not connected to anything...
vnet = "ethernet{}.vnet".format(adapter_number)
if vnet not in self._vmx_pairs:
self._vmx_pairs["ethernet{}.startconnected".format(adapter_number)] = "FALSE"
# disable remaining network adapters
for adapter_number in range(self._adapters, self._maximum_adapters):
if self._get_vmx_setting("ethernet{}.present".format(adapter_number), "TRUE"):
log.debug("disabling remaining adapter {}".format(adapter_number))
self._vmx_pairs["ethernet{}.startconnected".format(adapter_number)] = "FALSE"
@asyncio.coroutine
def _add_ubridge_connection(self, nio, adapter_number):
"""
Creates a connection in uBridge.
:param nio: NIO instance
:param adapter_number: adapter number
"""
vnet = "ethernet{}.vnet".format(adapter_number)
if vnet not in self._vmx_pairs:
raise VMwareError("vnet {} not in VMX file".format(vnet))
yield from self._ubridge_hypervisor.send("bridge create {name}".format(name=vnet))
vmnet_interface = os.path.basename(self._vmx_pairs[vnet])
if sys.platform.startswith("linux"):
yield from self._ubridge_hypervisor.send('bridge add_nio_linux_raw {name} "{interface}"'.format(name=vnet,
interface=vmnet_interface))
elif sys.platform.startswith("win"):
windows_interfaces = get_windows_interfaces()
npf = None
for interface in windows_interfaces:
if "netcard" in interface and vmnet_interface in interface["netcard"]:
npf = interface["id"]
elif vmnet_interface in interface["name"]:
npf = interface["id"]
if npf:
yield from self._ubridge_hypervisor.send('bridge add_nio_ethernet {name} "{interface}"'.format(name=vnet,
interface=npf))
else:
raise VMwareError("Could not find NPF id for VMnet interface {}".format(vmnet_interface))
elif sys.platform.startswith("darwin"):
yield from self._ubridge_hypervisor.send('bridge add_nio_fusion_vmnet {name} "{interface}"'.format(name=vnet,
interface=vmnet_interface))
else:
yield from self._ubridge_hypervisor.send('bridge add_nio_ethernet {name} "{interface}"'.format(name=vnet,
interface=vmnet_interface))
if isinstance(nio, NIOUDP):
yield from self._ubridge_hypervisor.send('bridge add_nio_udp {name} {lport} {rhost} {rport}'.format(name=vnet,
lport=nio.lport,
rhost=nio.rhost,
rport=nio.rport))
if nio.capturing:
yield from self._ubridge_hypervisor.send('bridge start_capture {name} "{pcap_file}"'.format(name=vnet,
pcap_file=nio.pcap_output_file))
yield from self._ubridge_hypervisor.send('bridge start {name}'.format(name=vnet))
@asyncio.coroutine
def _delete_ubridge_connection(self, adapter_number):
"""
Deletes a connection in uBridge.
:param adapter_number: adapter number
"""
vnet = "ethernet{}.vnet".format(adapter_number)
if vnet not in self._vmx_pairs:
raise VMwareError("vnet {} not in VMX file".format(vnet))
yield from self._ubridge_hypervisor.send("bridge delete {name}".format(name=vnet))
@asyncio.coroutine
def _start_ubridge_capture(self, adapter_number, output_file):
"""
Start a packet capture in uBridge.
:param adapter_number: adapter number
:param output_file: PCAP destination file for the capture
"""
vnet = "ethernet{}.vnet".format(adapter_number)
if vnet not in self._vmx_pairs:
raise VMwareError("vnet {} not in VMX file".format(vnet))
if not self._ubridge_hypervisor:
raise VMwareError("Cannot start the packet capture: uBridge is not running")
yield from self._ubridge_hypervisor.send('bridge start_capture {name} "{output_file}"'.format(name=vnet,
output_file=output_file))
@asyncio.coroutine
def _stop_ubridge_capture(self, adapter_number):
"""
Stop a packet capture in uBridge.
:param adapter_number: adapter number
"""
vnet = "ethernet{}.vnet".format(adapter_number)
if vnet not in self._vmx_pairs:
raise VMwareError("vnet {} not in VMX file".format(vnet))
if not self._ubridge_hypervisor:
raise VMwareError("Cannot stop the packet capture: uBridge is not running")
yield from self._ubridge_hypervisor.send("bridge stop_capture {name}".format(name=vnet))
def check_hw_virtualization(self):
"""
Returns either hardware virtualization is activated or not.
:returns: boolean
"""
self._read_vmx_file()
if self._get_vmx_setting("vhv.enable", "TRUE"):
return True
return False
@asyncio.coroutine
def start(self):
"""
Starts this VMware VM.
"""
if (yield from self.is_running()):
raise VMwareError("The VM is already running in VMware")
ubridge_path = self.ubridge_path
if not ubridge_path or not os.path.isfile(ubridge_path):
raise VMwareError("ubridge is necessary to start a VMware VM")
if self._use_ubridge:
yield from self._start_ubridge()
self._read_vmx_file()
# check if there is enough RAM to run
if "memsize" in self._vmx_pairs:
self.check_available_ram(int(self._vmx_pairs["memsize"]))
self._set_network_options()
self._set_serial_console()
self._write_vmx_file()
if self._headless:
yield from self._control_vm("start", "nogui")
else:
yield from self._control_vm("start")
if self._use_ubridge and self._ubridge_hypervisor:
for adapter_number in range(0, self._adapters):
nio = self._ethernet_adapters[adapter_number].get_nio(0)
if nio:
yield from self._add_ubridge_connection(nio, adapter_number)
if self._enable_remote_console and self._console is not None:
try:
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()) # wait for VMware to create the pipe file.
except asyncio.TimeoutError:
raise VMwareError('Pipe file "{}" for remote console has not been created by VMware'.format(self._get_pipe_name()))
self._start_remote_console()
if self._get_vmx_setting("vhv.enable", "TRUE"):
self._hw_virtualization = True
self._started = True
log.info("VMware VM '{name}' [{id}] started".format(name=self.name, id=self.id))
@asyncio.coroutine
def stop(self):
"""
Stops this VMware VM.
"""
self._hw_virtualization = False
self._stop_remote_console()
if self._ubridge_hypervisor and self._ubridge_hypervisor.is_running():
yield from self._ubridge_hypervisor.stop()
try:
if self.acpi_shutdown:
# use ACPI to shutdown the VM
yield from self._control_vm("stop", "soft")
else:
yield from self._control_vm("stop")
finally:
self._started = False
self._read_vmx_file()
if self._use_ubridge:
self._vmnets.clear()
# remove the adapters managed by GNS3
for adapter_number in range(0, self._adapters):
if self._get_vmx_setting("ethernet{}.vnet".format(adapter_number)) or \
self._get_vmx_setting("ethernet{}.connectiontype".format(adapter_number)) is None:
vnet = "ethernet{}.vnet".format(adapter_number)
if vnet in self._vmx_pairs:
vmnet = os.path.basename(self._vmx_pairs[vnet])
if not self.manager.is_managed_vmnet(vmnet):
continue
log.debug("removing adapter {}".format(adapter_number))
for key in list(self._vmx_pairs.keys()):
if key.startswith("ethernet{}.".format(adapter_number)):
del self._vmx_pairs[key]
# re-enable any remaining network adapters
for adapter_number in range(self._adapters, self._maximum_adapters):
if self._get_vmx_setting("ethernet{}.present".format(adapter_number), "TRUE"):
log.debug("enabling remaining adapter {}".format(adapter_number))
self._vmx_pairs["ethernet{}.startconnected".format(adapter_number)] = "TRUE"
self._write_vmx_file()
log.info("VMware VM '{name}' [{id}] stopped".format(name=self.name, id=self.id))
@asyncio.coroutine
def suspend(self):
"""
Suspends this VMware VM.
"""
if self.manager.host_type != "ws":
raise VMwareError("Pausing a VM is only supported by VMware Workstation")
yield from self._control_vm("pause")
log.info("VMware VM '{name}' [{id}] paused".format(name=self.name, id=self.id))
@asyncio.coroutine
def resume(self):
"""
Resumes this VMware VM.
"""
if self.manager.host_type != "ws":
raise VMwareError("Unpausing a VM is only supported by VMware Workstation")
yield from self._control_vm("unpause")
log.info("VMware VM '{name}' [{id}] resumed".format(name=self.name, id=self.id))
@asyncio.coroutine
def reload(self):
"""
Reloads this VMware VM.
"""
yield from self._control_vm("reset")
log.info("VMware VM '{name}' [{id}] reloaded".format(name=self.name, id=self.id))
@asyncio.coroutine
def close(self):
"""
Closes this VMware 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)
if nio and isinstance(nio, NIOVMNET) and nio.vmnet in self._vmnets:
self._vmnets.remove(nio.vmnet)
try:
self.acpi_shutdown = False
yield from self.stop()
except VMwareError:
pass
if self._linked_clone:
yield from self.manager.remove_from_vmware_inventory(self._vmx_path)
@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("VMware VM '{name}' [{id}] has enabled the headless mode".format(name=self.name, id=self.id))
else:
log.info("VMware 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("VMware VM '{name}' [{id}] has enabled the ACPI shutdown mode".format(name=self.name, id=self.id))
else:
log.info("VMware VM '{name}' [{id}] has disabled the ACPI shutdown mode".format(name=self.name, id=self.id))
self._acpi_shutdown = acpi_shutdown
@property
def vmx_path(self):
"""
Returns the path to the vmx file.
:returns: VMware vmx file
"""
return self._vmx_path
@vmx_path.setter
def vmx_path(self, vmx_path):
"""
Sets the path to the vmx file.
:param vmx_path: VMware vmx file
"""
log.info("VMware VM '{name}' [{id}] has set the vmx file path to '{vmx}'".format(name=self.name, id=self.id, vmx=vmx_path))
self._vmx_path = vmx_path
@property
def enable_remote_console(self):
"""
Returns either the remote console is enabled or not
:returns: boolean
"""
return self._enable_remote_console
@enable_remote_console.setter
def 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("VMware VM '{name}' [{id}] has enabled the console".format(name=self.name, id=self.id))
if self._started:
self._start_remote_console()
else:
log.info("VMware 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 adapters(self):
"""
Returns the number of adapters configured for this VMware VM.
:returns: number of adapters
"""
return self._adapters
@adapters.setter
def adapters(self, adapters):
"""
Sets the number of Ethernet adapters for this VMware VM instance.
:param adapters: number of adapters
"""
# VMware VMs are limited to 10 adapters
if adapters > 10:
raise VMwareError("Number of adapters above the maximum supported of 10")
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("VMware VM '{name}' [{id}] has changed the number of Ethernet adapters to {adapters}".format(name=self.name,
id=self.id,
adapters=adapters))
@property
def adapter_type(self):
"""
Returns the adapter type for this VMware 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 VMware VM instance.
:param adapter_type: adapter type (string)
"""
self._adapter_type = adapter_type
log.info("VMware VM '{name}' [{id}]: adapter type changed to {adapter_type}".format(name=self.name,
id=self.id,
adapter_type=adapter_type))
@property
def use_ubridge(self):
"""
Returns either GNS3 can use uBridge for network connections.
:returns: boolean
"""
return self._use_ubridge
@use_ubridge.setter
def use_ubridge(self, use_ubridge):
"""
Allows GNS3 to use uBridge for network connections.
:param use_ubridge: boolean
"""
if use_ubridge:
log.info("VMware VM '{name}' [{id}] will use uBridge for network connections".format(name=self.name, id=self.id))
else:
log.info("VMware VM '{name}' [{id}] will not use uBridge for network connections".format(name=self.name, id=self.id))
self._use_ubridge = use_ubridge
@property
def use_any_adapter(self):
"""
Returns either GNS3 can use any VMware 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 VMware adapter on this instance.
:param use_any_adapter: boolean
"""
if use_any_adapter:
log.info("VMware VM '{name}' [{id}] is allowed to use any adapter".format(name=self.name, id=self.id))
else:
log.info("VMware VM '{name}' [{id}] is not allowed to use any adapter".format(name=self.name, id=self.id))
self._use_any_adapter = use_any_adapter
@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 IndexError:
raise VMwareError("Adapter {adapter_number} doesn't exist on VMware VM '{name}'".format(name=self.name,
adapter_number=adapter_number))
self._read_vmx_file()
if isinstance(nio, NIONAT):
if self._started:
raise VMwareError("Sorry, adding a link to NAT for a started VMware VM is not supported")
self._vmx_pairs["ethernet{}.connectiontype".format(adapter_number)] = "nat"
self._write_vmx_file()
else:
# check if trying to connect to a nat, bridged or host-only adapter
if not self._use_any_adapter and self._get_vmx_setting("ethernet{}.present".format(adapter_number), "TRUE"):
# check for the connection type
connection_type = "ethernet{}.connectiontype".format(adapter_number)
if connection_type in self._vmx_pairs and self._vmx_pairs[connection_type] in ("nat", "bridged", "hostonly"):
raise VMwareError("Attachment ({}) already configured on network adapter {}. "
"Please remove it or allow GNS3 to use any adapter.".format(self._vmx_pairs[connection_type],
adapter_number))
if isinstance(nio, NIOVMNET):
if self._started:
raise VMwareError("Sorry, adding a link to a started VMware VM is not supported without uBridge enabled")
self._vmx_pairs["ethernet{}.vnet".format(adapter_number)] = nio.vmnet
self._write_vmx_file()
if nio.vmnet not in self._vmnets:
self._vmnets.append(nio.vmnet)
adapter.add_nio(0, nio)
if self._started and self._use_ubridge and self._ubridge_hypervisor:
yield from self._add_ubridge_connection(nio, adapter_number)
log.info("VMware 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 IndexError:
raise VMwareError("Adapter {adapter_number} doesn't exist on VMware VM '{name}'".format(name=self.name,
adapter_number=adapter_number))
nio = adapter.get_nio(0)
if isinstance(nio, NIOUDP):
self.manager.port_manager.release_udp_port(nio.lport, self._project)
if isinstance(nio, NIOVMNET):
self._read_vmx_file()
vnet = "ethernet{}.vnet".format(adapter_number)
if vnet in self._vmx_pairs:
del self._vmx_pairs[vnet]
self._write_vmx_file()
if nio.vmnet in self._vmnets:
self._vmnets.remove(nio.vmnet)
adapter.remove_nio(0)
if self._started and self._use_ubridge and self._ubridge_hypervisor:
yield from self._delete_ubridge_connection(adapter_number)
log.info("VMware 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_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_vmware\{}".format(self.id)
else:
pipe_name = os.path.join(tempfile.gettempdir(), "gns3_vmware", "{}".format(self.id))
try:
os.makedirs(os.path.dirname(pipe_name), exist_ok=True)
except OSError as e:
raise VMwareError("Could not create the VMware pipe directory: {}".format(e))
return pipe_name
def _set_serial_console(self):
"""
Configures the first serial port to allow a serial console connection.
"""
pipe_name = self._get_pipe_name()
serial_port = {"serial0.present": "TRUE",
"serial0.filetype": "pipe",
"serial0.filename": pipe_name,
"serial0.pipe.endpoint": "server"}
self._vmx_pairs.update(serial_port)
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 VMwareError("Could not open the pipe {}: {}".format(pipe_name, e))
try:
self._telnet_server_thread = TelnetServer(self.name, msvcrt.get_osfhandle(self._serial_pipe.fileno()), self._manager.port_manager.console_host, self._console)
except OSError as e:
raise VMwareError("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 VMwareError("Could not connect to the pipe {}: {}".format(pipe_name, e))
try:
self._telnet_server_thread = TelnetServer(self.name, self._serial_pipe, self._manager.port_manager.console_host, self._console)
except OSError as e:
raise VMwareError("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 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 VMwareError("Adapter {adapter_number} doesn't exist on VMware VM '{name}'".format(name=self.name,
adapter_number=adapter_number))
nio = adapter.get_nio(0)
if isinstance(nio, NIOVMNET):
raise VMwareError("Sorry, packet capture is not supported without uBridge enabled")
if not nio:
raise VMwareError("Adapter {} is not connected".format(adapter_number))
if nio.capturing:
raise VMwareError("Packet capture is already activated on adapter {adapter_number}".format(adapter_number=adapter_number))
nio.startPacketCapture(output_file)
if self._started:
yield from self._start_ubridge_capture(adapter_number, output_file)
log.info("VMware 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 VMwareError("Adapter {adapter_number} doesn't exist on VMware VM '{name}'".format(name=self.name,
adapter_number=adapter_number))
nio = adapter.get_nio(0)
if not nio:
raise VMwareError("Adapter {} is not connected".format(adapter_number))
nio.stopPacketCapture()
if self._started:
yield from self._stop_ubridge_capture(adapter_number)
log.info("VMware VM '{name}' [{id}]: stopping packet capture on adapter {adapter_number}".format(name=self.name,
id=self.id,
adapter_number=adapter_number))