gns3-server/gns3server/controller/vmware_gns3_vm.py
2016-07-11 17:01:18 -06:00

127 lines
4.1 KiB
Python

#!/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):
super().__init__()
self._engine = "vmware"
self._vmware_manager = VMware()
self._vmx_path = None
@asyncio.coroutine
def _execute(self, subcommand, args, timeout=60):
try:
result = yield from self._vmware_manager.execute(subcommand, args, timeout)
return (''.join(result))
except VMwareError as e:
raise GNS3VMError("Error while executing VMware command: {}".format(e))
@asyncio.coroutine
def _set_vcpus_ram(self, vcpus, ram):
"""
Set the number of vCPU cores and amount of RAM for the GNS3 VM.
:param vcpus: number of vCPU cores
:param ram: amount of RAM
"""
try:
pairs = VMware.parse_vmware_file(self._vmx_path)
pairs["numvcpus"] = str(vcpus)
pairs["memsize"] = str(ram)
VMware.write_vmx_file(self._vmx_path, pairs)
log.info("GNS3 VM vCPU count set to {} and RAM amount set to {}".format(vcpus, ram))
except OSError as e:
raise GNS3VMError('Could not read/write VMware VMX file "{}": {}'.format(self._vmx_path, e))
@asyncio.coroutine
def list(self):
"""
List all VMware VMs
"""
return (yield from self._vmware_manager.list_vms())
@asyncio.coroutine
def start(self):
"""
Starts the GNS3 VM.
"""
vms = yield from self.list()
for vm in vms:
if vm["vmname"] == self.vmname:
self._vmx_path = vm["vmx_path"]
break
# check we have a valid VMX file path
if not self._vmx_path:
raise GNS3VMError("GNS3 VM is not configured")
if not os.path.exists(self._vmx_path):
raise GNS3VMError("VMware VMX file {} doesn't exist".format(self._vmx_path))
# set the number of vCPUs and amount of RAM # FIXME
# yield from self._set_vcpus_ram(self.vcpus, self.ram)
# 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])
print(vmware_tools_state)
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):
"""
Stops the GNS3 VM.
"""
if self._vmx_path is None:
raise GNS3VMError("No VMX 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