Files
gns3-gui/gns3/modules/vmware/__init__.py

378 lines
12 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright (C) 2015 GNS3 Technologies Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
VMware module implementation.
"""
import os
import sys
import shutil
import subprocess
from gns3.qt import QtWidgets
from gns3.local_server_config import LocalServerConfig
from gns3.local_config import LocalConfig
from ..module import Module
from ..module_error import ModuleError
from .vmware_vm import VMwareVM
from .settings import VMWARE_SETTINGS
from .settings import VMWARE_VM_SETTINGS
import logging
log = logging.getLogger(__name__)
class VMware(Module):
"""
VMware module.
"""
def __init__(self):
super().__init__()
self._settings = {}
self._vmware_vms = {}
self._nodes = []
self.configChangedSlot()
def configChangedSlot(self):
# load the settings
self._loadSettings()
@staticmethod
def _findVmrun(self):
"""
Finds the vmrun path.
:return: path to vmrun
"""
vmrun_path = None
if sys.platform.startswith("win"):
vmrun_path = shutil.which("vmrun")
if vmrun_path is None:
vmrun_ws = os.path.expandvars(r"%PROGRAMFILES(X86)%\VMware\VMware Workstation\vmrun.exe")
vmrun_vix = os.path.expandvars(r"%PROGRAMFILES(X86)%\VMware\VMware VIX\vmrun.exe")
if os.path.exists(vmrun_ws):
vmrun_path = vmrun_ws
elif os.path.exists(vmrun_vix):
vmrun_path = vmrun_vix
elif sys.platform.startswith("darwin"):
vmware_fusion_vmrun_path = "/Applications/VMware Fusion.app/Contents/Library/vmrun"
if os.path.exists(vmware_fusion_vmrun_path):
vmrun_path = vmware_fusion_vmrun_path
else:
vmrun_path = shutil.which("vmrun")
if vmrun_path is None:
return ""
return os.path.abspath(vmrun_path)
@staticmethod
def _determineHostType(self):
if sys.platform.startswith("win"):
output = self._settings["vmrun_path"]
elif sys.platform.startswith("darwin"):
return "fusion"
else:
vmware_path = shutil.which("vmware")
if vmware_path:
command = [vmware_path, "-v"]
log.debug("Executing vmware with command: {}".format(command))
try:
output = subprocess.check_output(command).decode("utf-8", errors="ignore").strip()
except (OSError, subprocess.SubprocessError) as e:
log.error("Could not execute {}: {}".format("".join(command), e))
return "ws"
else:
log.error("vmware command not found")
return "ws"
if "VMware Workstation" in output:
return "ws"
else:
return "player"
def _loadSettings(self):
"""
Loads the settings from the server settings file.
"""
local_config = LocalConfig.instance()
self._settings = local_config.loadSectionSettings(self.__class__.__name__, VMWARE_SETTINGS)
if not os.path.exists(self._settings["vmrun_path"]):
self._settings["vmrun_path"] = self._findVmrun(self)
self._settings["host_type"] = self._determineHostType(self)
self._loadVMwareVMs()
def _saveSettings(self):
"""
Saves the settings to the server settings file.
"""
# save the settings
LocalConfig.instance().saveSectionSettings(self.__class__.__name__, self._settings)
# save some settings to the local server config file
server_settings = {
"host_type": self._settings["host_type"],
"vmnet_start_range": self._settings["vmnet_start_range"],
"vmnet_end_range": self._settings["vmnet_end_range"],
}
if self._settings["vmrun_path"]:
server_settings["vmrun_path"] = os.path.normpath(self._settings["vmrun_path"])
config = LocalServerConfig.instance()
config.saveSettings(self.__class__.__name__, server_settings)
def _loadVMwareVMs(self):
"""
Load the VMware VMs from the client settings file.
"""
local_config = LocalConfig.instance()
settings = local_config.settings()
if "vms" in settings.get(self.__class__.__name__, {}):
for vm in settings[self.__class__.__name__]["vms"]:
name = vm.get("name")
server = vm.get("server")
key = "{server}:{name}".format(server=server, name=name)
if key in self._vmware_vms or not name or not server:
continue
vm_settings = VMWARE_VM_SETTINGS.copy()
vm_settings.update(vm)
# for backward compatibility before version 1.4
if "symbol" not in vm_settings:
vm_settings["symbol"] = vm_settings.get("default_symbol", vm_settings["symbol"])
vm_settings["symbol"] = vm_settings["symbol"][:-11] + ".svg" if vm_settings["symbol"].endswith("normal.svg") else vm_settings["symbol"]
self._vmware_vms[key] = vm_settings
def _saveVMwareVMs(self):
"""
Saves the VMware VMs to the client settings file.
"""
self._settings["vms"] = list(self._vmware_vms.values())
self._saveSettings()
def vmwareVMs(self):
"""
Returns VMware VMs settings.
:returns: VMware VMs settings (dictionary)
"""
return self._vmware_vms
def setVMwareVMs(self, new_vmware_vms):
"""
Sets VMware VM settings.
:param new_vmware_images: VMware VM settings (dictionary)
"""
self._vmware_vms = new_vmware_vms.copy()
self._saveVMwareVMs()
def addNode(self, node):
"""
Adds a node to this module.
:param node: Node instance
"""
self._nodes.append(node)
def removeNode(self, node):
"""
Removes a node from this module.
:param node: Node instance
"""
if node in self._nodes:
self._nodes.remove(node)
def settings(self):
"""
Returns the module settings
:returns: module settings (dictionary)
"""
return self._settings
def setSettings(self, settings):
"""
Sets the module settings
:param settings: module settings (dictionary)
"""
self._settings.update(settings)
self._saveSettings()
def createNode(self, node_class, server, project):
"""
Creates a new node.
:param node_class: Node object
:param server: HTTPClient instance
:param project: Project instance
"""
log.info("creating node {}".format(node_class))
# create an instance of the node class
return node_class(self, server, project)
def setupNode(self, node, node_name):
"""
Setups a node.
:param node: Node instance
:param node_name: Node name
"""
log.info("configuring node {} with id {}".format(node, node.id()))
vm = None
if node_name:
for vm_key, info in self._vmware_vms.items():
if node_name == info["name"]:
vm = vm_key
if not vm:
selected_vms = []
for vm, info in self._vmware_vms.items():
if info["server"] == node.server().host() or (node.server().isLocal() and info["server"] == "local"):
selected_vms.append(vm)
if not selected_vms:
raise ModuleError("No VMware VM on server {}".format(node.server().url()))
elif len(selected_vms) > 1:
from gns3.main_window import MainWindow
mainwindow = MainWindow.instance()
(selection, ok) = QtWidgets.QInputDialog.getItem(mainwindow, "VMware VM", "Please choose a VM", selected_vms, 0, False)
if ok:
vm = selection
else:
raise ModuleError("Please select a VMware VM")
else:
vm = selected_vms[0]
linked_base = self._vmware_vms[vm]["linked_base"]
if not linked_base:
for other_node in self._nodes:
if other_node.settings()["vmx_path"] == self._vmware_vms[vm]["vmx_path"] and \
(self._vmware_vms[vm]["server"] == "local" and other_node.server().isLocal() or self._vmware_vms[vm]["server"] == other_node.server().host):
raise ModuleError("Sorry a VMware VM that is not a linked base can only be used once in your topology")
vm_settings = {}
for setting_name, value in self._vmware_vms[vm].items():
if setting_name in node.settings():
vm_settings[setting_name] = value
vmx_path = vm_settings.pop("vmx_path")
name = vm_settings.pop("name")
port_name_format = self._vmware_vms[vm]["port_name_format"]
port_segment_size = self._vmware_vms[vm]["port_segment_size"]
first_port_name = self._vmware_vms[vm]["first_port_name"]
node.setup(vmx_path,
port_name_format=port_name_format,
port_segment_size=port_segment_size,
first_port_name=first_port_name,
linked_clone=linked_base,
additional_settings=vm_settings,
base_name=name)
def reset(self):
"""
Resets the module.
"""
log.info("VMware module reset")
self._nodes.clear()
@staticmethod
def getNodeClass(name):
"""
Returns the object with the corresponding name.
:param name: object name
"""
if name in globals():
return globals()[name]
return None
@staticmethod
def classes():
"""
Returns all the node classes supported by this module.
:returns: list of classes
"""
return [VMwareVM]
def nodes(self):
"""
Returns all the node data necessary to represent a node
in the nodes view and create a node on the scene.
"""
nodes = []
for vmware_vm in self._vmware_vms.values():
nodes.append(
{"class": VMwareVM.__name__,
"name": vmware_vm["name"],
"server": vmware_vm["server"],
"symbol": vmware_vm["symbol"],
"categories": [vmware_vm["category"]]}
)
return nodes
@staticmethod
def preferencePages():
"""
:returns: QWidget object list
"""
from .pages.vmware_preferences_page import VMwarePreferencesPage
from .pages.vmware_vm_preferences_page import VMwareVMPreferencesPage
return [VMwarePreferencesPage, VMwareVMPreferencesPage]
@staticmethod
def instance():
"""
Singleton to return only one instance of VMware module.
:returns: instance of VMware
"""
if not hasattr(VMware, "_instance"):
VMware._instance = VMware()
return VMware._instance