Example #1
0
    def _start_remote_console(self):
        """
        Starts remote console support for this VM.
        """

        # starts the Telnet to pipe thread
        pipe_name = self._get_pipe_name()
        if sys.platform.startswith("win"):
            try:
                self._serial_pipe = open(pipe_name, "a+b")
            except OSError as e:
                raise VirtualBoxError("Could not open the pipe {}: {}".format(pipe_name, e))
            try:
                self._telnet_server_thread = TelnetServer(self._vmname, msvcrt.get_osfhandle(self._serial_pipe.fileno()), self._manager.port_manager.console_host, self._console)
            except OSError as e:
                raise VirtualBoxError("Unable to create Telnet server: {}".format(e))
            self._telnet_server_thread.start()
        else:
            try:
                self._serial_pipe = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
                self._serial_pipe.connect(pipe_name)
            except OSError as e:
                raise VirtualBoxError("Could not connect to the pipe {}: {}".format(pipe_name, e))
            try:
                self._telnet_server_thread = TelnetServer(self._vmname, self._serial_pipe, self._manager.port_manager.console_host, self._console)
            except OSError as e:
                raise VirtualBoxError("Unable to create Telnet server: {}".format(e))
            self._telnet_server_thread.start()
Example #2
0
class VirtualBoxVM(BaseVM):

    """
    VirtualBox VM implementation.
    """

    def __init__(self, name, vm_id, project, manager, vmname, linked_clone, console=None, adapters=0):

        super().__init__(name, vm_id, project, manager, console=console)

        self._maximum_adapters = 8
        self._linked_clone = linked_clone
        self._system_properties = {}
        self._telnet_server_thread = None
        self._serial_pipe = None
        self._closed = False

        # VirtualBox settings
        self._adapters = adapters
        self._ethernet_adapters = {}
        self._headless = False
        self._acpi_shutdown = False
        self._enable_remote_console = False
        self._vmname = vmname
        self._use_any_adapter = False
        self._ram = 0
        self._adapter_type = "Intel PRO/1000 MT Desktop (82540EM)"

    def __json__(self):

        json = {"name": self.name,
                "vm_id": self.id,
                "console": self.console,
                "project_id": self.project.id,
                "vmname": self.vmname,
                "headless": self.headless,
                "acpi_shutdown": self.acpi_shutdown,
                "enable_remote_console": self.enable_remote_console,
                "adapters": self._adapters,
                "adapter_type": self.adapter_type,
                "ram": self.ram,
                "use_any_adapter": self.use_any_adapter}
        if self._linked_clone:
            json["vm_directory"] = self.working_dir
        else:
            json["vm_directory"] = None
        return json

    @asyncio.coroutine
    def _get_system_properties(self):

        properties = yield from self.manager.execute("list", ["systemproperties"])
        for prop in properties:
            try:
                name, value = prop.split(':', 1)
            except ValueError:
                continue
            self._system_properties[name.strip()] = value.strip()

    @asyncio.coroutine
    def _get_vm_state(self):
        """
        Returns the VM state (e.g. running, paused etc.)

        :returns: state (string)
        """

        results = yield from self.manager.execute("showvminfo", [self._vmname, "--machinereadable"])
        for info in results:
            if '=' in info:
                name, value = info.split('=', 1)
                if name == "VMState":
                    return value.strip('"')
        raise VirtualBoxError("Could not get VM state for {}".format(self._vmname))

    @asyncio.coroutine
    def _control_vm(self, params):
        """
        Change setting in this VM when running.

        :param params: params to use with sub-command controlvm

        :returns: result of the command.
        """

        args = shlex.split(params)
        result = yield from self.manager.execute("controlvm", [self._vmname] + args)
        return result

    @asyncio.coroutine
    def _modify_vm(self, params):
        """
        Change setting in this VM when not running.

        :param params: params to use with sub-command modifyvm
        """

        args = shlex.split(params)
        yield from self.manager.execute("modifyvm", [self._vmname] + args)

    @asyncio.coroutine
    def create(self):

        yield from self._get_system_properties()
        if "API version" not in self._system_properties:
            raise VirtualBoxError("Can't access to VirtualBox API version:\n{}".format(self._system_properties))
        if parse_version(self._system_properties["API version"]) < parse_version("4_3"):
            raise VirtualBoxError("The VirtualBox API version is lower than 4.3")
        log.info("VirtualBox VM '{name}' [{id}] created".format(name=self.name, id=self.id))

        if self._linked_clone:
            if self.id and os.path.isdir(os.path.join(self.working_dir, self._vmname)):
                vbox_file = os.path.join(self.working_dir, self._vmname, self._vmname + ".vbox")
                yield from self.manager.execute("registervm", [vbox_file])
                yield from self._reattach_hdds()
            else:
                yield from self._create_linked_clone()

        if self._adapters:
            yield from self.set_adapters(self._adapters)

        vm_info = yield from self._get_vm_info()
        if "memory" in vm_info:
            self._ram = int(vm_info["memory"])

    @asyncio.coroutine
    def check_hw_virtualization(self):
        """
        Returns either hardware virtualization is activated or not.

        :returns: boolean
        """

        vm_info = yield from self._get_vm_info()
        if "hwvirtex" in vm_info and vm_info["hwvirtex"] == "on":
            return True
        return False

    @asyncio.coroutine
    def start(self):
        """
        Starts this VirtualBox VM.
        """

        # resume the VM if it is paused
        vm_state = yield from self._get_vm_state()
        if vm_state == "paused":
            yield from self.resume()
            return

        # VM must be powered off and in saved state to start it
        if vm_state != "poweroff" and vm_state != "saved":
            raise VirtualBoxError("VirtualBox VM not powered off or saved")

        yield from self._set_network_options()
        yield from self._set_serial_console()

        args = [self._vmname]
        if self._headless:
            args.extend(["--type", "headless"])
        result = yield from self.manager.execute("startvm", args)
        log.info("VirtualBox VM '{name}' [{id}] started".format(name=self.name, id=self.id))
        log.debug("Start result: {}".format(result))

        # add a guest property to let the VM know about the GNS3 name
        yield from self.manager.execute("guestproperty", ["set", self._vmname, "NameInGNS3", self.name])
        # add a guest property to let the VM know about the GNS3 project directory
        yield from self.manager.execute("guestproperty", ["set", self._vmname, "ProjectDirInGNS3", self.working_dir])

        if self._enable_remote_console and self._console is not None:
            self._start_remote_console()

        if (yield from self.check_hw_virtualization()):
            self._hw_virtualization = True

    @asyncio.coroutine
    def stop(self):
        """
        Stops this VirtualBox VM.
        """

        self._hw_virtualization = False
        self._stop_remote_console()
        vm_state = yield from self._get_vm_state()
        if vm_state == "running" or vm_state == "paused" or vm_state == "stuck":
            if self.acpi_shutdown:
                # use ACPI to shutdown the VM
                result = yield from self._control_vm("acpipowerbutton")
                log.debug("ACPI shutdown result: {}".format(result))
            else:
                # power off the VM
                result = yield from self._control_vm("poweroff")
                log.debug("Stop result: {}".format(result))

            log.info("VirtualBox VM '{name}' [{id}] stopped".format(name=self.name, id=self.id))
            # yield from asyncio.sleep(0.5)  # give some time for VirtualBox to unlock the VM
            try:
                # deactivate the first serial port
                yield from self._modify_vm("--uart1 off")
            except VirtualBoxError as e:
                log.warn("Could not deactivate the first serial port: {}".format(e))

            for adapter_number in range(0, self._adapters):
                nio = self._ethernet_adapters[adapter_number].get_nio(0)
                if nio:
                    yield from self._modify_vm("--nictrace{} off".format(adapter_number + 1))
                    yield from self._modify_vm("--cableconnected{} off".format(adapter_number + 1))
                    yield from self._modify_vm("--nic{} null".format(adapter_number + 1))

    @asyncio.coroutine
    def suspend(self):
        """
        Suspends this VirtualBox VM.
        """

        vm_state = yield from self._get_vm_state()
        if vm_state == "running":
            yield from self._control_vm("pause")
            log.info("VirtualBox VM '{name}' [{id}] suspended".format(name=self.name, id=self.id))
        else:
            log.warn("VirtualBox VM '{name}' [{id}] cannot be suspended, current state: {state}".format(name=self.name,
                                                                                                        id=self.id,
                                                                                                        state=vm_state))

    @asyncio.coroutine
    def resume(self):
        """
        Resumes this VirtualBox VM.
        """

        yield from self._control_vm("resume")
        log.info("VirtualBox VM '{name}' [{id}] resumed".format(name=self.name, id=self.id))

    @asyncio.coroutine
    def reload(self):
        """
        Reloads this VirtualBox VM.
        """

        result = yield from self._control_vm("reset")
        log.info("VirtualBox VM '{name}' [{id}] reloaded".format(name=self.name, id=self.id))
        log.debug("Reload result: {}".format(result))

    @asyncio.coroutine
    def _get_all_hdd_files(self):

        hdds = []
        properties = yield from self.manager.execute("list", ["hdds"])
        for prop in properties:
            try:
                name, value = prop.split(':', 1)
            except ValueError:
                continue
            if name.strip() == "Location":
                hdds.append(value.strip())
        return hdds

    @asyncio.coroutine
    def _reattach_hdds(self):

        hdd_info_file = os.path.join(self.working_dir, self._vmname, "hdd_info.json")
        try:
            with open(hdd_info_file, "r", encoding="utf-8") as f:
                hdd_table = json.load(f)
        except OSError as e:
            raise VirtualBoxError("Could not read HDD info file: {}".format(e))

        for hdd_info in hdd_table:
            hdd_file = os.path.join(self.working_dir, self._vmname, "Snapshots", hdd_info["hdd"])
            if os.path.exists(hdd_file):
                log.info("VirtualBox VM '{name}' [{id}] attaching HDD {controller} {port} {device} {medium}".format(name=self.name,
                                                                                                                    id=self.id,
                                                                                                                    controller=hdd_info["controller"],
                                                                                                                    port=hdd_info["port"],
                                                                                                                    device=hdd_info["device"],
                                                                                                                    medium=hdd_file))

                yield from self._storage_attach('--storagectl "{}" --port {} --device {} --type hdd --medium "{}"'.format(hdd_info["controller"],
                                                                                                                          hdd_info["port"],
                                                                                                                          hdd_info["device"],
                                                                                                                          hdd_file))

    @asyncio.coroutine
    def close(self):
        """
        Closes this VirtualBox VM.
        """

        if self._closed:
            # VM is already closed
            return

        log.debug("VirtualBox VM '{name}' [{id}] is closing".format(name=self.name, id=self.id))
        if self._console:
            self._manager.port_manager.release_tcp_port(self._console, self._project)
            self._console = None

        for adapter in self._ethernet_adapters.values():
            if adapter is not None:
                for nio in adapter.ports.values():
                    if nio and isinstance(nio, NIOUDP):
                        self.manager.port_manager.release_udp_port(nio.lport, self._project)

        self.acpi_shutdown = False
        yield from self.stop()

        if self._linked_clone:
            hdd_table = []
            if os.path.exists(self.working_dir):
                hdd_files = yield from self._get_all_hdd_files()
                vm_info = yield from self._get_vm_info()
                for entry, value in vm_info.items():
                    match = re.search("^([\s\w]+)\-(\d)\-(\d)$", entry)
                    if match:
                        controller = match.group(1)
                        port = match.group(2)
                        device = match.group(3)
                        if value in hdd_files:
                            log.info("VirtualBox VM '{name}' [{id}] detaching HDD {controller} {port} {device}".format(name=self.name,
                                                                                                                       id=self.id,
                                                                                                                       controller=controller,
                                                                                                                       port=port,
                                                                                                                       device=device))
                            yield from self._storage_attach('--storagectl "{}" --port {} --device {} --type hdd --medium none'.format(controller,
                                                                                                                                      port,
                                                                                                                                      device))
                            hdd_table.append(
                                {
                                    "hdd": os.path.basename(value),
                                    "controller": controller,
                                    "port": port,
                                    "device": device,
                                }
                            )

            log.info("VirtualBox VM '{name}' [{id}] unregistering".format(name=self.name, id=self.id))
            yield from self.manager.execute("unregistervm", [self._name])

            if hdd_table:
                try:
                    hdd_info_file = os.path.join(self.working_dir, self._vmname, "hdd_info.json")
                    with open(hdd_info_file, "w", encoding="utf-8") as f:
                        json.dump(hdd_table, f, indent=4)
                except OSError as e:
                    log.warning("VirtualBox VM '{name}' [{id}] could not write HHD info file: {error}".format(name=self.name,
                                                                                                              id=self.id,
                                                                                                              error=e.strerror))

        log.info("VirtualBox VM '{name}' [{id}] closed".format(name=self.name, id=self.id))
        self._closed = True

    @property
    def headless(self):
        """
        Returns either the VM will start in headless mode

        :returns: boolean
        """

        return self._headless

    @headless.setter
    def headless(self, headless):
        """
        Sets either the VM will start in headless mode

        :param headless: boolean
        """

        if headless:
            log.info("VirtualBox VM '{name}' [{id}] has enabled the headless mode".format(name=self.name, id=self.id))
        else:
            log.info("VirtualBox VM '{name}' [{id}] has disabled the headless mode".format(name=self.name, id=self.id))
        self._headless = headless

    @property
    def acpi_shutdown(self):
        """
        Returns either the VM will use ACPI shutdown

        :returns: boolean
        """

        return self._acpi_shutdown

    @acpi_shutdown.setter
    def acpi_shutdown(self, acpi_shutdown):
        """
        Sets either the VM will use ACPI shutdown

        :param acpi_shutdown: boolean
        """

        if acpi_shutdown:
            log.info("VirtualBox VM '{name}' [{id}] has enabled the ACPI shutdown mode".format(name=self.name, id=self.id))
        else:
            log.info("VirtualBox VM '{name}' [{id}] has disabled the ACPI shutdown mode".format(name=self.name, id=self.id))
        self._acpi_shutdown = acpi_shutdown

    @property
    def enable_remote_console(self):
        """
        Returns either the remote console is enabled or not

        :returns: boolean
        """

        return self._enable_remote_console

    @asyncio.coroutine
    def set_enable_remote_console(self, enable_remote_console):
        """
        Sets either the console is enabled or not

        :param enable_remote_console: boolean
        """

        if enable_remote_console:
            log.info("VirtualBox VM '{name}' [{id}] has enabled the console".format(name=self.name, id=self.id))
            vm_state = yield from self._get_vm_state()
            if vm_state == "running":
                self._start_remote_console()
        else:
            log.info("VirtualBox VM '{name}' [{id}] has disabled the console".format(name=self.name, id=self.id))
            self._stop_remote_console()
        self._enable_remote_console = enable_remote_console

    @property
    def ram(self):
        """
        Returns the amount of RAM allocated to this VirtualBox VM.

        :returns: amount RAM in MB (integer)
        """

        return self._ram

    @asyncio.coroutine
    def set_ram(self, ram):
        """
        Set the amount of RAM allocated to this VirtualBox VM.

        :param ram: amount RAM in MB (integer)
        """

        if ram == 0:
            return

        yield from self._modify_vm('--memory {}'.format(ram))

        log.info("VirtualBox VM '{name}' [{id}] has set amount of RAM to {ram}".format(name=self.name, id=self.id, ram=ram))
        self._ram = ram

    @property
    def vmname(self):
        """
        Returns the VirtualBox VM name.

        :returns: VirtualBox VM name
        """

        return self._vmname

    @asyncio.coroutine
    def set_vmname(self, vmname):
        """
        Renames the VirtualBox VM.

        :param vmname: VirtualBox VM name
        """

        if self._linked_clone:
            yield from self._modify_vm('--name "{}"'.format(vmname))

        log.info("VirtualBox VM '{name}' [{id}] has set the VM name to '{vmname}'".format(name=self.name, id=self.id, vmname=vmname))
        self._vmname = vmname

    @property
    def adapters(self):
        """
        Returns the number of adapters configured for this VirtualBox VM.

        :returns: number of adapters
        """

        return self._adapters

    @asyncio.coroutine
    def set_adapters(self, adapters):
        """
        Sets the number of Ethernet adapters for this VirtualBox VM instance.

        :param adapters: number of adapters
        """

        # check for the maximum adapters supported by the VM
        self._maximum_adapters = yield from self._get_maximum_supported_adapters()
        if adapters > self._maximum_adapters:
            raise VirtualBoxError("Number of adapters above the maximum supported of {}".format(self._maximum_adapters))

        self._ethernet_adapters.clear()
        for adapter_number in range(0, adapters):
            self._ethernet_adapters[adapter_number] = EthernetAdapter()

        self._adapters = len(self._ethernet_adapters)
        log.info("VirtualBox VM '{name}' [{id}] has changed the number of Ethernet adapters to {adapters}".format(name=self.name,
                                                                                                                  id=self.id,
                                                                                                                  adapters=adapters))

    @property
    def use_any_adapter(self):
        """
        Returns either GNS3 can use any VirtualBox adapter on this instance.

        :returns: boolean
        """

        return self._use_any_adapter

    @use_any_adapter.setter
    def use_any_adapter(self, use_any_adapter):
        """
        Allows GNS3 to use any VirtualBox adapter on this instance.

        :param use_any_adapter: boolean
        """

        if use_any_adapter:
            log.info("VirtualBox VM '{name}' [{id}] is allowed to use any adapter".format(name=self.name, id=self.id))
        else:
            log.info("VirtualBox VM '{name}' [{id}] is not allowed to use any adapter".format(name=self.name, id=self.id))
        self._use_any_adapter = use_any_adapter

    @property
    def adapter_type(self):
        """
        Returns the adapter type for this VirtualBox VM instance.

        :returns: adapter type (string)
        """

        return self._adapter_type

    @adapter_type.setter
    def adapter_type(self, adapter_type):
        """
        Sets the adapter type for this VirtualBox VM instance.

        :param adapter_type: adapter type (string)
        """

        self._adapter_type = adapter_type
        log.info("VirtualBox VM '{name}' [{id}]: adapter type changed to {adapter_type}".format(name=self.name,
                                                                                                id=self.id,
                                                                                                adapter_type=adapter_type))

    @asyncio.coroutine
    def _get_vm_info(self):
        """
        Returns this VM info.

        :returns: dict of info
        """

        vm_info = {}
        results = yield from self.manager.execute("showvminfo", [self._vmname, "--machinereadable"])
        for info in results:
            try:
                name, value = info.split('=', 1)
            except ValueError:
                continue
            vm_info[name.strip('"')] = value.strip('"')
        return vm_info

    @asyncio.coroutine
    def _get_maximum_supported_adapters(self):
        """
        Returns the maximum adapters supported by this VM.

        :returns: maximum number of supported adapters (int)
        """

        # check the maximum number of adapters supported by the VM
        vm_info = yield from self._get_vm_info()
        maximum_adapters = 8
        if "chipset" in vm_info:
            chipset = vm_info["chipset"]
            if chipset == "ich9":
                maximum_adapters = int(self._system_properties["Maximum ICH9 Network Adapter count"])
        return maximum_adapters

    def _get_pipe_name(self):
        """
        Returns the pipe name to create a serial connection.

        :returns: pipe path (string)
        """

        if sys.platform.startswith("win"):
            pipe_name = r"\\.\pipe\gns3_vbox\{}".format(self.id)
        else:
            pipe_name = os.path.join(tempfile.gettempdir(), "gns3_vbox", "{}".format(self.id))
            try:
                os.makedirs(os.path.dirname(pipe_name), exist_ok=True)
            except OSError as e:
                raise VirtualBoxError("Could not create the VirtualBox pipe directory: {}".format(e))
        return pipe_name

    @asyncio.coroutine
    def _set_serial_console(self):
        """
        Configures the first serial port to allow a serial console connection.
        """

        # activate the first serial port
        yield from self._modify_vm("--uart1 0x3F8 4")

        # set server mode with a pipe on the first serial port
        pipe_name = self._get_pipe_name()
        args = [self._vmname, "--uartmode1", "server", pipe_name]
        yield from self.manager.execute("modifyvm", args)

    @asyncio.coroutine
    def _storage_attach(self, params):
        """
        Change storage medium in this VM.

        :param params: params to use with sub-command storageattach
        """

        args = shlex.split(params)
        yield from self.manager.execute("storageattach", [self._vmname] + args)

    @asyncio.coroutine
    def _get_nic_attachements(self, maximum_adapters):
        """
        Returns NIC attachements.

        :param maximum_adapters: maximum number of supported adapters
        :returns: list of adapters with their Attachment setting (NAT, bridged etc.)
        """

        nics = []
        vm_info = yield from self._get_vm_info()
        for adapter_number in range(0, maximum_adapters):
            entry = "nic{}".format(adapter_number + 1)
            if entry in vm_info:
                value = vm_info[entry]
                nics.append(value.lower())
            else:
                nics.append(None)
        return nics

    @asyncio.coroutine
    def _set_network_options(self):
        """
        Configures network options.
        """

        nic_attachments = yield from self._get_nic_attachements(self._maximum_adapters)
        for adapter_number in range(0, self._adapters):
            attachment = nic_attachments[adapter_number]
            if attachment == "null":
                # disconnect the cable if no backend is attached.
                yield from self._modify_vm("--cableconnected{} off".format(adapter_number + 1))
            if attachment == "none":
                # set the backend to null to avoid a difference in the number of interfaces in the Guest.
                yield from self._modify_vm("--nic{} null".format(adapter_number + 1))
                yield from self._modify_vm("--cableconnected{} off".format(adapter_number + 1))
            nio = self._ethernet_adapters[adapter_number].get_nio(0)
            if nio:
                if not isinstance(nio, NIONAT) and not self._use_any_adapter and attachment not in ("none", "null", "generic"):
                    raise VirtualBoxError("Attachment ({}) already configured on adapter {}. "
                                          "Please set it to 'Not attached' to allow GNS3 to use it.".format(attachment,
                                                                                                            adapter_number + 1))

                yield from self._modify_vm("--nictrace{} off".format(adapter_number + 1))
                vbox_adapter_type = "82540EM"
                if self._adapter_type == "PCnet-PCI II (Am79C970A)":
                    vbox_adapter_type = "Am79C970A"
                if self._adapter_type == "PCNet-FAST III (Am79C973)":
                    vbox_adapter_type = "Am79C973"
                if self._adapter_type == "Intel PRO/1000 MT Desktop (82540EM)":
                    vbox_adapter_type = "82540EM"
                if self._adapter_type == "Intel PRO/1000 T Server (82543GC)":
                    vbox_adapter_type = "82543GC"
                if self._adapter_type == "Intel PRO/1000 MT Server (82545EM)":
                    vbox_adapter_type = "82545EM"
                if self._adapter_type == "Paravirtualized Network (virtio-net)":
                    vbox_adapter_type = "virtio"
                args = [self._vmname, "--nictype{}".format(adapter_number + 1), vbox_adapter_type]
                yield from self.manager.execute("modifyvm", args)

                if isinstance(nio, NIOUDP):
                    log.debug("setting UDP params on adapter {}".format(adapter_number))
                    yield from self._modify_vm("--nic{} generic".format(adapter_number + 1))
                    yield from self._modify_vm("--nicgenericdrv{} UDPTunnel".format(adapter_number + 1))
                    yield from self._modify_vm("--nicproperty{} sport={}".format(adapter_number + 1, nio.lport))
                    yield from self._modify_vm("--nicproperty{} dest={}".format(adapter_number + 1, nio.rhost))
                    yield from self._modify_vm("--nicproperty{} dport={}".format(adapter_number + 1, nio.rport))
                    yield from self._modify_vm("--cableconnected{} on".format(adapter_number + 1))
                elif isinstance(nio, NIONAT):
                    yield from self._modify_vm("--nic{} nat".format(adapter_number + 1))
                    yield from self._modify_vm("--cableconnected{} on".format(adapter_number + 1))

                if nio.capturing:
                    yield from self._modify_vm("--nictrace{} on".format(adapter_number + 1))
                    yield from self._modify_vm('--nictracefile{} "{}"'.format(adapter_number + 1, nio.pcap_output_file))

        for adapter_number in range(self._adapters, self._maximum_adapters):
            log.debug("disabling remaining adapter {}".format(adapter_number))
            yield from self._modify_vm("--nic{} none".format(adapter_number + 1))

    @asyncio.coroutine
    def _create_linked_clone(self):
        """
        Creates a new linked clone.
        """

        gns3_snapshot_exists = False
        vm_info = yield from self._get_vm_info()
        for entry, value in vm_info.items():
            if entry.startswith("SnapshotName") and value == "GNS3 Linked Base for clones":
                gns3_snapshot_exists = True

        if not gns3_snapshot_exists:
            result = yield from self.manager.execute("snapshot", [self._vmname, "take", "GNS3 Linked Base for clones"])
            log.debug("GNS3 snapshot created: {}".format(result))

        args = [self._vmname,
                "--snapshot",
                "GNS3 Linked Base for clones",
                "--options",
                "link",
                "--name",
                self.name,
                "--basefolder",
                self.working_dir,
                "--register"]

        result = yield from self.manager.execute("clonevm", args)
        log.debug("VirtualBox VM: {} cloned".format(result))

        self._vmname = self._name
        yield from self.manager.execute("setextradata", [self._vmname, "GNS3/Clone", "yes"])

        args = [self._vmname, "take", "reset"]
        result = yield from self.manager.execute("snapshot", args)
        log.debug("Snapshot 'reset' created: {}".format(result))

    def _start_remote_console(self):
        """
        Starts remote console support for this VM.
        """

        # starts the Telnet to pipe thread
        pipe_name = self._get_pipe_name()
        if sys.platform.startswith("win"):
            try:
                self._serial_pipe = open(pipe_name, "a+b")
            except OSError as e:
                raise VirtualBoxError("Could not open the pipe {}: {}".format(pipe_name, e))
            try:
                self._telnet_server_thread = TelnetServer(self._vmname, msvcrt.get_osfhandle(self._serial_pipe.fileno()), self._manager.port_manager.console_host, self._console)
            except OSError as e:
                raise VirtualBoxError("Unable to create Telnet server: {}".format(e))
            self._telnet_server_thread.start()
        else:
            try:
                self._serial_pipe = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
                self._serial_pipe.connect(pipe_name)
            except OSError as e:
                raise VirtualBoxError("Could not connect to the pipe {}: {}".format(pipe_name, e))
            try:
                self._telnet_server_thread = TelnetServer(self._vmname, self._serial_pipe, self._manager.port_manager.console_host, self._console)
            except OSError as e:
                raise VirtualBoxError("Unable to create Telnet server: {}".format(e))
            self._telnet_server_thread.start()

    def _stop_remote_console(self):
        """
        Stops remote console support for this VM.
        """

        if self._telnet_server_thread:
            if self._telnet_server_thread.is_alive():
                self._telnet_server_thread.stop()
                self._telnet_server_thread.join(timeout=3)
            if self._telnet_server_thread.is_alive():
                log.warn("Serial pipe thread is still alive!")
            self._telnet_server_thread = None

        if self._serial_pipe:
            if sys.platform.startswith("win"):
                win32file.CloseHandle(msvcrt.get_osfhandle(self._serial_pipe.fileno()))
            else:
                self._serial_pipe.close()
            self._serial_pipe = None

    @asyncio.coroutine
    def adapter_add_nio_binding(self, adapter_number, nio):
        """
        Adds an adapter NIO binding.

        :param adapter_number: adapter number
        :param nio: NIO instance to add to the slot/port
        """

        try:
            adapter = self._ethernet_adapters[adapter_number]
        except KeyError:
            raise VirtualBoxError("Adapter {adapter_number} doesn't exist on VirtualBox VM '{name}'".format(name=self.name,
                                                                                                            adapter_number=adapter_number))

        vm_state = yield from self._get_vm_state()
        if vm_state == "running":
            if isinstance(nio, NIOUDP):
                # dynamically configure an UDP tunnel on the VirtualBox adapter
                yield from self._control_vm("nic{} generic UDPTunnel".format(adapter_number + 1))
                yield from self._control_vm("nicproperty{} sport={}".format(adapter_number + 1, nio.lport))
                yield from self._control_vm("nicproperty{} dest={}".format(adapter_number + 1, nio.rhost))
                yield from self._control_vm("nicproperty{} dport={}".format(adapter_number + 1, nio.rport))
                yield from self._control_vm("setlinkstate{} on".format(adapter_number + 1))
            elif isinstance(nio, NIONAT):
                yield from self._control_vm("nic{} nat".format(adapter_number + 1))
                yield from self._control_vm("setlinkstate{} on".format(adapter_number + 1))

        adapter.add_nio(0, nio)
        log.info("VirtualBox VM '{name}' [{id}]: {nio} added to adapter {adapter_number}".format(name=self.name,
                                                                                                 id=self.id,
                                                                                                 nio=nio,
                                                                                                 adapter_number=adapter_number))

    @asyncio.coroutine
    def adapter_remove_nio_binding(self, adapter_number):
        """
        Removes an adapter NIO binding.

        :param adapter_number: adapter number

        :returns: NIO instance
        """

        try:
            adapter = self._ethernet_adapters[adapter_number]
        except KeyError:
            raise VirtualBoxError("Adapter {adapter_number} doesn't exist on VirtualBox VM '{name}'".format(name=self.name,
                                                                                                            adapter_number=adapter_number))

        vm_state = yield from self._get_vm_state()
        if vm_state == "running":
            # dynamically disable the VirtualBox adapter
            yield from self._control_vm("setlinkstate{} off".format(adapter_number + 1))
            yield from self._control_vm("nic{} null".format(adapter_number + 1))

        nio = adapter.get_nio(0)
        if isinstance(nio, NIOUDP):
            self.manager.port_manager.release_udp_port(nio.lport, self._project)
        adapter.remove_nio(0)

        log.info("VirtualBox VM '{name}' [{id}]: {nio} removed from adapter {adapter_number}".format(name=self.name,
                                                                                                     id=self.id,
                                                                                                     nio=nio,
                                                                                                     adapter_number=adapter_number))
        return nio

    @asyncio.coroutine
    def start_capture(self, adapter_number, output_file):
        """
        Starts a packet capture.

        :param adapter_number: adapter number
        :param output_file: PCAP destination file for the capture
        """

        try:
            adapter = self._ethernet_adapters[adapter_number]
        except KeyError:
            raise VirtualBoxError("Adapter {adapter_number} doesn't exist on VirtualBox VM '{name}'".format(name=self.name,
                                                                                                            adapter_number=adapter_number))

        vm_state = yield from self._get_vm_state()
        if vm_state == "running" or vm_state == "paused" or vm_state == "stuck":
            raise VirtualBoxError("Sorry, packet capturing on a started VirtualBox VM is not supported.")

        nio = adapter.get_nio(0)

        if not nio:
            raise VirtualBoxError("Adapter {} is not connected".format(adapter_number))

        if nio.capturing:
            raise VirtualBoxError("Packet capture is already activated on adapter {adapter_number}".format(adapter_number=adapter_number))

        nio.startPacketCapture(output_file)
        log.info("VirtualBox VM '{name}' [{id}]: starting packet capture on adapter {adapter_number}".format(name=self.name,
                                                                                                             id=self.id,
                                                                                                             adapter_number=adapter_number))

    def stop_capture(self, adapter_number):
        """
        Stops a packet capture.

        :param adapter_number: adapter number
        """

        try:
            adapter = self._ethernet_adapters[adapter_number]
        except KeyError:
            raise VirtualBoxError("Adapter {adapter_number} doesn't exist on VirtualBox VM '{name}'".format(name=self.name,
                                                                                                            adapter_number=adapter_number))

        nio = adapter.get_nio(0)

        if not nio:
            raise VirtualBoxError("Adapter {} is not connected".format(adapter_number))

        nio.stopPacketCapture()

        log.info("VirtualBox VM '{name}' [{id}]: stopping packet capture on adapter {adapter_number}".format(name=self.name,
                                                                                                             id=self.id,
                                                                                                             adapter_number=adapter_number))
Example #3
0
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))):
            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))
                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]

        # 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
            if self._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.
                adapter_type = "e1000"
            else:
                adapter_type = self._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): 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"
            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 in ("vmnet0", "vmnet1", "vmnet8"):
                        # 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
        """

        block_host_traffic = self.manager.config.get_section_config("VMware").getboolean("block_host_traffic", False)
        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 = interfaces()
            npf = None
            source_mac = None
            for interface in windows_interfaces:
                if "netcard" in interface and vmnet_interface in interface["netcard"]:
                    npf = interface["id"]
                    source_mac = interface["mac_address"]
                elif vmnet_interface in interface["name"]:
                    npf = interface["id"]
                    source_mac = interface["mac_address"]
            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))

            if block_host_traffic:
                if source_mac:
                    yield from self._ubridge_hypervisor.send('bridge set_pcap_filter {name} "not ether src {mac}"'.format(name=vnet,
                                                                                                                          mac=source_mac))
                else:
                    log.warn("Could not block host network traffic on {} (no MAC address found)".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))
        elif isinstance(nio, NIOTAP):
            yield from self._ubridge_hypervisor.send('bridge add_nio_tap {name} {tap}'.format(name=vnet, tap=nio.tap_device))

        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))

        # TODO: this only work when using PCAP (NIO Ethernet): current default on Linux is NIO RAW LINUX
        # source_mac = None
        # for interface in interfaces():
        #     if interface["name"] == vmnet_interface:
        #         source_mac = interface["mac_address"]
        # if source_mac:
        #     yield from self._ubridge_hypervisor.send('bridge set_pcap_filter {name} "not ether src {mac}"'.format(name=vnet, mac=source_mac))

    @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")

        try:
            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()
        except VMwareError:
            yield from self.stop()
            raise

        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 (yield from self.is_running()):
                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):
                    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()

        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))
Example #4
0
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
            source_mac = None
            for interface in windows_interfaces:
                if "netcard" in interface and vmnet_interface in interface["netcard"]:
                    npf = interface["id"]
                    source_mac = interface["mac_address"]
                elif vmnet_interface in interface["name"]:
                    npf = interface["id"]
                    source_mac = interface["mac_address"]
            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))

            # TODO: should provide that as an option
            #if source_mac:
            #    yield from self._ubridge_hypervisor.send('bridge set_pcap_filter {name} "not ether src {mac}"'.format(name=vnet,
            #                                                                                                          mac=source_mac))

        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))

        # TODO: this only work when using PCAP (NIO Ethernet)
        # source_mac = None
        # for interface in interfaces():
        #     if interface["name"] == vmnet_interface:
        #         source_mac = interface["mac_address"]
        # if source_mac:
        #     yield from self._ubridge_hypervisor.send('bridge set_pcap_filter {name} "not ether src {mac}"'.format(name=vnet, mac=source_mac))

    @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")

        try:
            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()
        except VMwareError:
            yield from self.stop()
            raise

        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 (yield from self.is_running()):
                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 self._closed:
            # VM is already closed
            return

        log.debug("VMware VM '{name}' [{id}] is closing".format(name=self.name, id=self.id))
        if self._console:
            self._manager.port_manager.release_tcp_port(self._console, self._project)
            self._console = None

        for adapter in self._ethernet_adapters.values():
            if adapter is not None:
                for nio in adapter.ports.values():
                    if nio and isinstance(nio, NIOUDP):
                        self.manager.port_manager.release_udp_port(nio.lport, self._project)
                    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)

        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("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 VirtualBox 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))
Example #5
0
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._ubridge_hypervisor = None
        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_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_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

    @asyncio.coroutine
    def create(self):
        """
        Creates this VM and handle linked clones.
        """

        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 do some sanity checks
        for adapter_number in range(0, self._adapters):
            connected = "ethernet{}.startConnected".format(adapter_number)
            if self._get_vmx_setting(connected):
                del self._vmx_pairs[connected]

            # 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])
                        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))

            # 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("Network adapter {} is not of type {}, please fix or remove it".format(adapter_number, self._adapter_type))

            # check if connected to an adapter configured for nat or bridge
            if self._ethernet_adapters[adapter_number].get_nio(0) and not self._use_any_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 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))

        # now configure VMware network adapters
        self.manager.refresh_vmnet_list()
        for adapter_number in range(0, self._adapters):
            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

            vnet = "ethernet{}.vnet".format(adapter_number)
            if vnet in self._vmx_pairs:
                vmnet = os.path.basename(self._vmx_pairs[vnet])
            else:
                try:
                    vmnet = self.manager.allocate_vmnet()
                finally:
                    self._vmnets.clear()
            self._vmnets.append(vmnet)
            self._vmx_pairs["ethernet{}.connectiontype".format(adapter_number)] = "custom"
            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"

    @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))
        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))

    @property
    def ubridge_path(self):
        """
        Returns the uBridge executable path.

        :returns: path to uBridge
        """

        path = self._manager.config.get_section_config("Server").get("ubridge_path", "ubridge")
        if path == "ubridge":
            path = shutil.which("ubridge")
        return path

    @asyncio.coroutine
    def _start_ubridge(self):
        """
        Starts uBridge (handles connections to and from this VMware VM).
        """

        server_config = self._manager.config.get_section_config("Server")
        server_host = server_config.get("host")
        self._ubridge_hypervisor = Hypervisor(self._project, self.ubridge_path, self.working_dir, server_host)

        log.info("Starting new uBridge hypervisor {}:{}".format(self._ubridge_hypervisor.host, self._ubridge_hypervisor.port))
        yield from self._ubridge_hypervisor.start()
        log.info("Hypervisor {}:{} has successfully started".format(self._ubridge_hypervisor.host, self._ubridge_hypervisor.port))
        yield from self._ubridge_hypervisor.connect()
        if parse_version(self._ubridge_hypervisor.version) < parse_version('0.9.1'):
            raise VMwareError("uBridge version must be >= 0.9.1, detected version is {}".format(self._ubridge_hypervisor.version))

    def check_hw_virtualization(self):
        """
        Returns either hardware virtualization is activated or not.

        :returns: boolean
        """

        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))

        if self._get_vmx_setting("vhv.enable", "TRUE"):
            return True
        return False

    @asyncio.coroutine
    def start(self):
        """
        Starts this VMware VM.
        """

        if os.path.exists(self._vmx_path + ".lck"):
            raise VMwareError("VM locked, it is either running or being edited 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")

        yield from self._start_ubridge()

        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))

        self._set_network_options()
        self._set_serial_console()

        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))

        if self._headless:
            yield from self._control_vm("start", "nogui")
        else:
            yield from self._control_vm("start")

        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:
            yield from asyncio.sleep(1)  # give some time to VMware to create the pipe file.
            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._vmnets.clear()
            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))

            # 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 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"

            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))

        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 VirtualBox VM.
        """

        if self._closed:
            # VM is already closed
            return

        log.debug("VMware VM '{name}' [{id}] is closing".format(name=self.name, id=self.id))
        if self._console:
            self._manager.port_manager.release_tcp_port(self._console, self._project)
            self._console = None

        for adapter in self._ethernet_adapters.values():
            if adapter is not None:
                for nio in adapter.ports.values():
                    if nio and isinstance(nio, NIOUDP):
                        self.manager.port_manager.release_udp_port(nio.lport, self._project)

        try:
            self.acpi_shutdown = False
            yield from self.stop()
        except VMwareError:
            pass

        if self._linked_clone:
            # clean the VMware inventory path from this linked clone
            inventory_path = self.manager.get_vmware_inventory_path()
            inventory_pairs = {}
            if os.path.exists(inventory_path):
                try:
                    inventory_pairs = self.manager.parse_vmware_file(inventory_path)
                except OSError as e:
                    log.warning('Could not read VMware inventory file "{}": {}'.format(inventory_path, e))
                    return

                vmlist_entry = None
                for name, value in inventory_pairs.items():
                    if value == self._vmx_path:
                        vmlist_entry = name.split(".", 1)[0]
                        break

                if vmlist_entry is not None:
                    for name in inventory_pairs.keys():
                        if name.startswith(vmlist_entry):
                            del inventory_pairs[name]

            try:
                self.manager.write_vmware_file(inventory_path, inventory_pairs)
            except OSError as e:
                raise VMwareError('Could not write VMware inventory file "{}": {}'.format(inventory_path, e))

        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("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_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))

        adapter.add_nio(0, nio)
        if self._started:
            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)
        adapter.remove_nio(0)
        if self._started:
            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