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gns3-server/gns3server/controller/vmware_gns3_vm.py

121 lines
4.0 KiB

#!/usr/bin/env python
#
# Copyright (C) 2016 GNS3 Technologies Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import logging
import asyncio
from gns3server.compute.vmware import (
VMware,
VMwareError
)
from .base_gns3_vm import BaseGNS3VM
from .gns3_vm_error import GNS3VMError
log = logging.getLogger(__name__)
class VMwareGNS3VM(BaseGNS3VM):
def __init__(self, vmname, port, vmx_path=None):
super().__init__(vmname, port)
self._vmx_path = vmx_path
self._vmware_manager = VMware()
@asyncio.coroutine
def _execute(self, subcommand, args, timeout=60):
try:
return (yield from self._vmware_manager.execute(subcommand, args, timeout))
except VMwareError as e:
raise GNS3VMError("Error while executing VMware command: {}".format(e))
@asyncio.coroutine
def start(self):
"""
Starts the GNS3 VM.
"""
# check we have a valid VMX file path
if not self._vmx_path:
raise GNS3VMError("GNS3 VM is not configured", True)
if not os.path.exists(self._vmx_path):
raise GNS3VMError("VMware VMX file {} doesn't exist".format(self._vmx_path), True)
# start the VM
args = [self._vmx_path]
if self._headless:
args.extend(["nogui"])
yield from self._execute("start", args)
log.info("GNS3 VM has been started")
self.running = True
# check if the VMware guest tools are installed
vmware_tools_state = yield from self._execute("checkToolsState", [self._vmx_path])
if vmware_tools_state not in ("installed", "running"):
raise GNS3VMError("VMware tools are not installed in {}".format(self.vmname))
# get the guest IP address (first adapter only)
guest_ip_address = yield from self._execute("getGuestIPAddress", [self._vmx_path, "-wait"], timeout=120)
self.ip_address = guest_ip_address
log.info("GNS3 VM IP address set to {}".format(guest_ip_address))
@asyncio.coroutine
def stop(self, force=False):
"""
Stops the GNS3 VM.
"""
if self._vmx_path is None:
raise GNS3VMError("No vm path configured, can't stop the VM")
yield from self._execute("stop", [self._vmx_path, "soft"])
log.info("GNS3 VM has been stopped")
self.running = False
@asyncio.coroutine
def set_vcpus(self, vcpus):
"""
Set the number of vCPU cores for the GNS3 VM.
:param vcpus: number of vCPU cores
"""
try:
pairs = VMware.parse_vmware_file(self._vmx_path)
pairs["numvcpus"] = str(vcpus)
VMware.write_vmx_file(self._vmx_path, pairs)
log.info("GNS3 VM vCPU count set to {}".format(vcpus))
except OSError as e:
raise GNS3VMError('Could not read/write VMware VMX file "{}": {}'.format(self._vmx_path, e))
@asyncio.coroutine
def set_ram(self, ram):
"""
Set the RAM amount for the GNS3 VM.
:param ram: amount of memory
"""
try:
pairs = VMware.parse_vmware_file(self._vmx_path)
pairs["memsize"] = str(ram)
VMware.write_vmx_file(self._vmx_path, pairs)
log.info("GNS3 VM RAM amount set to {}".format(ram))
except OSError as e:
raise GNS3VMError('Could not read/write VMware VMX file "{}": {}'.format(self._vmx_path, e))