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