Support for sendings settings for the GNS3VM from the GUI

Ref https://github.com/GNS3/gns3-gui/issues/1441

gns3server/controller/__init__.py

@@ -28,6 +28,8 @@ from .notification import Notification
 from .symbols import Symbols
 from ..version import __version__
 from .topology import load_topology
+from .gns3vm import GNS3VM
+
 
 import logging
 log = logging.getLogger(__name__)
@@ -40,6 +42,7 @@ class Controller:
         self._computes = {}
         self._projects = {}
         self._notification = Notification(self)
+        self.gns3vm = GNS3VM(self)
         self.symbols = Symbols()
         # Store settings shared by the different GUI will be replace by dedicated API later
         self._settings = {}
@@ -56,15 +59,10 @@ class Controller:
         self._config_file = os.path.join(config_path, "gns3_controller.conf")
         log.info("Load controller configuration file {}".format(self._config_file))
 
-        if server_config.getboolean("local", False) is True:
-            self._computes["local"] = Compute(compute_id="local",
-                                              controller=self,
-                                              protocol=server_config.get("protocol", "http"),
-                                              host=server_config.get("host", "localhost"),
-                                              port=server_config.getint("port", 3080),
-                                              user=server_config.get("user", ""),
-                                              password=server_config.get("password", ""))
-
+    @asyncio.coroutine
+    def start(self):
+        log.info("Start controller")
+        server_config = Config.instance().get_section_config("Server")
         self._computes["local"] = Compute(compute_id="local",
                                           controller=self,
                                           protocol=server_config.get("protocol", "http"),
@@ -72,6 +70,15 @@ class Controller:
                                           port=server_config.getint("port", 3080),
                                           user=server_config.get("user", ""),
                                           password=server_config.get("password", ""))
+        yield from self.load()
+
+    @asyncio.coroutine
+    def stop(self):
+        log.info("Stop controller")
+        for compute in self._computes.values():
+            yield from compute.close()
+        self._computes = {}
+        self._projects = {}
 
     def save(self):
         """
@@ -80,6 +87,7 @@ class Controller:
         data = {
             "computes": [],
             "settings": self._settings,
+            "gns3vm": self.gns3vm.__json__(),
             "version": __version__
         }
 
@@ -115,6 +123,8 @@ class Controller:
             return
         if "settings" in data:
             self._settings = data["settings"]
+        if "gns3vm" in data:
+            self.gns3vm.settings = data["gns3vm"]
 
         for c in data["computes"]:
             yield from self.add_compute(**c)
@@ -234,12 +244,6 @@ class Controller:
         self.save()
         self.notification.emit("compute.deleted", compute.__json__())
 
-    @asyncio.coroutine
-    def close(self):
-        log.info("Close controller")
-        for compute in self._computes.values():
-            yield from compute.close()
-
     @property
     def notification(self):
         """

gns3server/controller/gns3vm/__init__.py

@@ -0,0 +1,101 @@
+#!/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 sys
+import asyncio
+
+from .vmware_gns3_vm import VMwareGNS3VM
+from .virtualbox_gns3_vm import VirtualBoxGNS3VM
+
+
+class GNS3VM:
+    """
+    Proxy between the controller and the GNS3 VM engine
+    """
+
+    def __init__(self, controller, settings={}):
+        self._controller = controller
+        # Keep instance of the loaded engines
+        self._engines = {}
+        self._settings = {
+            "vmname": None,
+            "auto_stop": False,
+            "headless": False,
+            "enable": False,
+            "engine": "vmware"
+        }
+        self._settings.update(settings)
+
+    def engine_list(self):
+        """
+        :returns: Return list of engines supported by GNS3 for the GNS3VM
+        """
+        virtualbox_informations = {
+            "engine_id": "virtualbox",
+            "name": "VirtualBox",
+            "description": "VirtualBox doesn't support nested virtualization, this means running Qemu based VM could be very slow."
+        }
+        vmware_informations = {
+            "engine_id": "vmware",
+            "description": "VMware is the recommended choice for best performances."
+        }
+        if sys.platform.startswith("darwin"):
+            vmware_informations["name"] = "VMware Fusion"
+        else:
+            vmware_informations["name"] = "VMware Workstation / Player"
+        return [
+            vmware_informations,
+            virtualbox_informations
+        ]
+
+    @property
+    def settings(self):
+        return self._settings
+
+    @settings.setter
+    def settings(self, val):
+        self._settings.update(val)
+        self._controller.save()
+
+    def _get_engine(self, engine):
+        """
+        Load an engine
+        """
+        if engine in self._engines:
+            return self._engines[engine]
+
+        if engine == "vmware":
+            self._engines["vmware"] = VMwareGNS3VM()
+            return self._engines["vmware"]
+        elif engine == "virtualbox":
+            self._engines["virtualbox"] = VirtualBoxGNS3VM()
+            return self._engines["virtualbox"]
+        raise NotImplementedError("The engine {} for the GNS3 VM is not supported".format(engine))
+
+    def __json__(self):
+        return self._settings
+
+    @asyncio.coroutine
+    def list(self, engine):
+        """
+        List VMS for an engine
+        """
+        engine = self._get_engine(engine)
+        vms = []
+        for vm in (yield from engine.list()):
+            vms.append({"vmname": vm["vmname"]})
+        return vms

gns3server/controller/gns3vm/base_gns3_vm.py

@@ -15,11 +15,6 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-from .gns3_vm_error import GNS3VMError
-
-import os
-import sys
-import json
 import asyncio
 import psutil
 
@@ -32,7 +27,6 @@ class BaseGNS3VM:
     def __init__(self):
 
         self._vmname = None
-        self._auto_start = False
         self._auto_stop = False
         self._ip_address = None
         self._port = 3080
@@ -41,12 +35,6 @@ class BaseGNS3VM:
         self._ram = 1024
         self._running = False
 
-        if sys.platform.startswith("win"):
-            config_path = os.path.join(os.path.expandvars("%APPDATA%"), "GNS3")
-        else:
-            config_path = os.path.join(os.path.expanduser("~"), ".config", "GNS3")
-        self._config_file = os.path.join(config_path, "gns3_vm.conf")
-
         # limit the number of vCPUs to the number of physical cores (hyper thread CPUs are excluded)
         # because this is likely to degrade performances.
         self._vcpus = psutil.cpu_count(logical=False)
@@ -56,51 +44,6 @@ class BaseGNS3VM:
         ram -= ram % 4
         self._ram = ram
 
-        self.load()
-
-    def __json__(self):
-
-        settings = {"vmname": self._vmname,
-                    "ip_address": self._ip_address,
-                    "port": self._port,
-                    "headless": self._headless,
-                    "vcpus": self._vcpus,
-                    "ram": self._ram,
-                    "auto_start": self._auto_start,
-                    "auto_stop": self._auto_stop,
-                    "engine": self._engine}
-
-        return settings
-
-    def load(self):
-        """
-        Reload the GNS3 VM configuration from disk
-        """
-
-        if not os.path.exists(self._config_file):
-            self.save()
-        try:
-            with open(self._config_file) as f:
-                data = json.load(f)
-        except OSError as e:
-            log.critical("Cannot load %s: %s", self._config_file, str(e))
-            return
-        if "gns3vm" in data:
-            for name, value in data["gns3vm"].items():
-                if hasattr(self, name) and getattr(self, name) != value:
-                    log.debug("GNS3 VM: set {} to {}".format(name, value))
-                    setattr(self, name, value)
-
-    def save(self):
-        """
-        Save the GNS3 VM configuration on disk
-        """
-
-        data = {"gns3vm": self.__json__()}
-        os.makedirs(os.path.dirname(self._config_file), exist_ok=True)
-        with open(self._config_file, 'w+') as f:
-            json.dump(data, f, indent=4)
-
     @property
     def vmname(self):
         """
@@ -241,30 +184,10 @@ class BaseGNS3VM:
 
         self._ram = new_ram
 
-    @property
-    def auto_start(self):
-        """
-        Returns whether the VM should automatically be started when GNS3 is launched
-
-        :returns: boolean
-        """
-
-        return self._auto_start
-
-    @auto_start.setter
-    def auto_start(self, new_auto_start):
-        """
-        Set whether the VM should automatically be started when GNS3 is launched
-
-        :param new_auto_start: boolean
-        """
-
-        self._auto_start = new_auto_start
-
     @property
     def auto_stop(self):
         """
-        Returns whether the VM should automatically be started when GNS3 is launched
+        Returns whether the VM should automatically be stopped when GNS3 quit
 
         :returns: boolean
         """
@@ -274,7 +197,7 @@ class BaseGNS3VM:
     @auto_stop.setter
     def auto_stop(self, new_auto_stop):
         """
-        Set whether the VM should automatically be stopped when GNS3 is launched
+        Set whether the VM should automatically be stopped when GNS3 quit
 
         :param new_auto_stop: boolean
         """
@@ -314,15 +237,3 @@ class BaseGNS3VM:
         """
 
         raise NotImplementedError
-
-    @classmethod
-    def instance(cls):
-        """
-        Singleton to return only one instance of BaseGNS3VM.
-
-        :returns: instance of BaseGNS3VM
-        """
-
-        if not hasattr(cls, "_instance") or cls._instance is None:
-            cls._instance = cls()
-        return cls._instance

gns3server/controller/gns3vm/virtualbox_gns3_vm.py

@@ -22,7 +22,7 @@ import socket
 from .base_gns3_vm import BaseGNS3VM
 from .gns3_vm_error import GNS3VMError
 
-from ..compute.virtualbox import (
+from ...compute.virtualbox import (
     VirtualBox,
     VirtualBoxError
 )

gns3server/controller/gns3vm/vmware_gns3_vm.py

@@ -117,7 +117,6 @@ class VMwareGNS3VM(BaseGNS3VM):
 
         # 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))