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mirror of https://github.com/GNS3/gns3-server synced 2024-12-11 01:28:09 +00:00
gns3-server/gns3server/compute/vmware/vmware_vm.py
2019-04-01 20:58:18 +07:00

929 lines
36 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 asyncio
import tempfile
from gns3server.utils.asyncio.telnet_server import AsyncioTelnetServer
from gns3server.utils.asyncio.serial import asyncio_open_serial
from gns3server.utils.asyncio import locking
from collections import OrderedDict
from .vmware_error import VMwareError
from ..nios.nio_udp import NIOUDP
from ..adapters.ethernet_adapter import EthernetAdapter
from ..base_node import BaseNode
import logging
log = logging.getLogger(__name__)
class VMwareVM(BaseNode):
"""
VMware VM implementation.
"""
def __init__(self, name, node_id, project, manager, vmx_path, linked_clone=False, console=None, console_type="telnet"):
super().__init__(name, node_id, project, manager, console=console, console_type=console_type, linked_clone=linked_clone)
self._vmx_pairs = OrderedDict()
self._telnet_server = 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._on_close = "power_off"
self._adapters = 0
self._ethernet_adapters = {}
self._adapter_type = "e1000"
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=node_id, vmx_path=vmx_path))
@property
def ethernet_adapters(self):
return self._ethernet_adapters
def __json__(self):
json = {"name": self.name,
"usage": self.usage,
"node_id": self.id,
"console": self.console,
"console_type": self.console_type,
"project_id": self.project.id,
"vmx_path": self.vmx_path,
"headless": self.headless,
"on_close": self.on_close,
"adapters": self._adapters,
"adapter_type": self.adapter_type,
"use_any_adapter": self.use_any_adapter,
"status": self.status,
"node_directory": self.working_path,
"linked_clone": self.linked_clone}
return json
@property
def vmnets(self):
return self._vmnets
@locking
async def _control_vm(self, subcommand, *additional_args):
args = [self._vmx_path]
args.extend(additional_args)
result = await 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))
async def is_running(self):
result = await self.manager.execute("list", [])
if self._vmx_path in result:
return True
return False
async def _check_duplicate_linked_clone(self):
"""
Without linked clone two VM using the same image can't run
at the same time.
To avoid issue like false detection when a project close
and another open we try multiple times.
"""
trial = 0
while True:
found = False
for node in self.manager.nodes:
if node != self and node.vmx_path == self._vmx_path:
found = True
if node.project != self.project:
if trial >= 30:
raise VMwareError("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.vmx_path, node.name, self.project.name))
else:
if trial >= 5:
raise VMwareError("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.vmx_path, node.name))
if not found:
return
trial += 1
await asyncio.sleep(1)
async def create(self):
"""
Creates this VM and handle linked clones.
"""
if not self.linked_clone:
await self._check_duplicate_linked_clone()
await 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))):
if self.manager.host_type == "player":
raise VMwareError("Linked clones are not supported by VMware Player")
# 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))
await 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")
await 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]
# then configure VMware network adapters
self.manager.refresh_vmnet_list()
for adapter_number in range(0, self._adapters):
custom_adapter = self._get_custom_adapter_settings(adapter_number)
adapter_type = custom_adapter.get("adapter_type", self._adapter_type)
# add/update the interface
if adapter_type == "default":
# force default to e1000 because some guest OS don't detect the adapter (i.e. Windows 2012 server)
# when 'virtualdev' is not set in the VMX file.
vmware_adapter_type = "e1000"
else:
vmware_adapter_type = adapter_type
ethernet_adapter = {"ethernet{}.present".format(adapter_number): "TRUE",
"ethernet{}.addresstype".format(adapter_number): "generated",
"ethernet{}.generatedaddressoffset".format(adapter_number): "0",
"ethernet{}.virtualdev".format(adapter_number): vmware_adapter_type}
self._vmx_pairs.update(ethernet_adapter)
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"
# 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 in ("vmnet0", "vmnet1", "vmnet8"):
# vmnet already managed or a special vmnet, 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 BaseException:
# clear everything up in case of error (e.g. no enough vmnets)
self._vmnets.clear()
raise
# mark the vmnet as managed by us
if vmnet not in self._vmnets:
self._vmnets.append(vmnet)
self._vmx_pairs["ethernet{}.vnet".format(adapter_number)] = vmnet
# 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"
def _get_vnet(self, adapter_number):
"""
Return the vnet will use in ubridge
"""
vnet = "ethernet{}.vnet".format(adapter_number)
if vnet not in self._vmx_pairs:
raise VMwareError("vnet {} not in VMX file".format(vnet))
return vnet
async def _add_ubridge_connection(self, nio, adapter_number):
"""
Creates a connection in uBridge.
:param nio: NIO instance
:param adapter_number: adapter number
"""
vnet = self._get_vnet(adapter_number)
await self._ubridge_send("bridge create {name}".format(name=vnet))
vmnet_interface = os.path.basename(self._vmx_pairs[vnet])
if sys.platform.startswith("darwin"):
# special case on OSX, we cannot bind VMnet interfaces using the libpcap
await self._ubridge_send('bridge add_nio_fusion_vmnet {name} "{interface}"'.format(name=vnet, interface=vmnet_interface))
else:
block_host_traffic = self.manager.config.get_section_config("VMware").getboolean("block_host_traffic", False)
await self._add_ubridge_ethernet_connection(vnet, vmnet_interface, block_host_traffic)
if isinstance(nio, NIOUDP):
await self._ubridge_send('bridge add_nio_udp {name} {lport} {rhost} {rport}'.format(name=vnet,
lport=nio.lport,
rhost=nio.rhost,
rport=nio.rport))
if nio.capturing:
await self._ubridge_send('bridge start_capture {name} "{pcap_file}"'.format(name=vnet, pcap_file=nio.pcap_output_file))
await self._ubridge_send('bridge start {name}'.format(name=vnet))
await self._ubridge_apply_filters(vnet, nio.filters)
async def _update_ubridge_connection(self, adapter_number, nio):
"""
Update a connection in uBridge.
:param nio: NIO instance
:param adapter_number: adapter number
"""
try:
bridge_name = self._get_vnet(adapter_number)
except VMwareError:
return # vnet not yet available
await self._ubridge_apply_filters(bridge_name, nio.filters)
async 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))
await self._ubridge_send("bridge delete {name}".format(name=vnet))
async 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")
await self._ubridge_send('bridge start_capture {name} "{output_file}"'.format(name=vnet,
output_file=output_file))
async 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")
await self._ubridge_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
async def start(self):
"""
Starts this VMware VM.
"""
if self.status == "started":
return
if (await 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")
await self._start_ubridge(require_privileged_access=True)
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:
await self._control_vm("start", "nogui")
else:
await self._control_vm("start")
try:
if self._ubridge_hypervisor:
for adapter_number in range(0, self._adapters):
nio = self._ethernet_adapters[adapter_number].get_nio(0)
if nio:
await self._add_ubridge_connection(nio, adapter_number)
await self._start_console()
except VMwareError:
await self.stop()
raise
if self._get_vmx_setting("vhv.enable", "TRUE"):
self._hw_virtualization = True
self._started = True
self.status = "started"
log.info("VMware VM '{name}' [{id}] started".format(name=self.name, id=self.id))
async def stop(self):
"""
Stops this VMware VM.
"""
self._hw_virtualization = False
await self._stop_remote_console()
await self._stop_ubridge()
try:
if (await self.is_running()):
if self.on_close == "save_vm_state":
await self._control_vm("suspend")
elif self.on_close == "shutdown_signal":
# use ACPI to shutdown the VM
await self._control_vm("stop", "soft")
else:
await self._control_vm("stop")
finally:
self._started = False
self.status = "stopped"
self._read_vmx_file()
self._vmnets.clear()
# remove the adapters managed by GNS3
for adapter_number in range(0, self._adapters):
vnet = "ethernet{}.vnet".format(adapter_number)
if self._get_vmx_setting(vnet) or self._get_vmx_setting("ethernet{}.connectiontype".format(adapter_number)) is None:
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))
self._vmx_pairs[vnet] = "vmnet1"
self._vmx_pairs["ethernet{}.connectiontype".format(adapter_number)] = "custom"
# 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()
await super().stop()
log.info("VMware VM '{name}' [{id}] stopped".format(name=self.name, id=self.id))
async def suspend(self):
"""
Suspends this VMware VM.
"""
if self.manager.host_type != "ws":
raise VMwareError("Pausing a VM is only supported by VMware Workstation")
await self._control_vm("pause")
self.status = "suspended"
log.info("VMware VM '{name}' [{id}] paused".format(name=self.name, id=self.id))
async def resume(self):
"""
Resumes this VMware VM.
"""
if self.manager.host_type != "ws":
raise VMwareError("Unpausing a VM is only supported by VMware Workstation")
await self._control_vm("unpause")
self.status = "started"
log.info("VMware VM '{name}' [{id}] resumed".format(name=self.name, id=self.id))
async def reload(self):
"""
Reloads this VMware VM.
"""
await self._control_vm("reset")
log.info("VMware VM '{name}' [{id}] reloaded".format(name=self.name, id=self.id))
async def close(self):
"""
Closes this VMware VM.
"""
if not (await 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)
try:
self.on_close = "power_off"
await self.stop()
except VMwareError:
pass
if self.linked_clone:
await 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 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('VMware 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 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 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_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
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 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()
# check if trying to connect to a nat, bridged or host-only adapter
if self._get_vmx_setting("ethernet{}.present".format(adapter_number), "TRUE"):
# check for the connection 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"):
if (await self.is_running()):
raise VMwareError("Attachment '{attachment}' is configured on network adapter {adapter_number}. "
"Please stop VMware VM '{name}' to link to this adapter and allow GNS3 to change the attachment type.".format(attachment=self._vmx_pairs[connection_type],
adapter_number=adapter_number,
name=self.name))
else:
raise VMwareError("Attachment '{attachment}' is already configured on network adapter {adapter_number}. "
"Please remove it or allow VMware VM '{name}' to use any adapter.".format(attachment=self._vmx_pairs[connection_type],
adapter_number=adapter_number,
name=self.name))
adapter.add_nio(0, nio)
if self._started and self._ubridge_hypervisor:
await 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))
async def adapter_update_nio_binding(self, adapter_number, nio):
"""
Updates an adapter NIO binding.
:param adapter_number: adapter number
:param nio: NIO instance to update on the adapter
"""
if self._ubridge_hypervisor:
try:
await self._update_ubridge_connection(adapter_number, nio)
except IndexError:
raise VMwareError('Adapter {adapter_number} does not exist on VMware 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 IndexError:
raise VMwareError("Adapter {adapter_number} doesn't exist on VMware VM '{name}'".format(name=self.name,
adapter_number=adapter_number))
await self.stop_capture(adapter_number)
nio = adapter.get_nio(0)
if isinstance(nio, NIOUDP):
self.manager.port_manager.release_udp_port(nio.lport, self._project)
adapter.remove_nio(0)
if self._started and self._ubridge_hypervisor:
await 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_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 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))
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",
"serial0.startconnected": "TRUE"}
self._vmx_pairs.update(serial_port)
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(self._get_pipe_name())
except OSError as e:
raise VMwareError("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 VMware VM.
:param new_console_type: console type (string)
"""
if self._started and self.console_type != new_console_type:
raise VMwareError('"{name}" must be stopped to change the console type to {new_console_type}'.format(name=self._name, new_console_type=new_console_type))
super(VMwareVM, VMwareVM).console_type.__set__(self, new_console_type)
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 VMwareError("Packet capture is already activated on adapter {adapter_number}".format(adapter_number=adapter_number))
nio.start_packet_capture(output_file)
if self._started:
await 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))
async def stop_capture(self, adapter_number):
"""
Stops a packet capture.
:param adapter_number: adapter number
"""
nio = self.get_nio(adapter_number)
if not nio.capturing:
return
nio.stop_packet_capture()
if self._started:
await 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))