mirror of
https://github.com/GNS3/gns3-server.git
synced 2024-12-22 06:07:51 +00:00
127 lines
4.0 KiB
Python
127 lines
4.0 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 asyncio
|
|
import aiohttp
|
|
|
|
from ..config import Config
|
|
from .project import Project
|
|
from .hypervisor import Hypervisor
|
|
|
|
|
|
class Controller:
|
|
"""The controller manage multiple gns3 hypervisors"""
|
|
|
|
def __init__(self):
|
|
self._hypervisors = {}
|
|
self._projects = {}
|
|
|
|
def isEnabled(self):
|
|
"""
|
|
:returns: True if current instance is the controller
|
|
of our GNS3 infrastructure.
|
|
"""
|
|
return Config.instance().get_section_config("Server").getboolean("controller")
|
|
|
|
@asyncio.coroutine
|
|
def addHypervisor(self, hypervisor_id, **kwargs):
|
|
"""
|
|
Add a server to the dictionnary of hypervisors controlled by GNS3
|
|
|
|
:param kwargs: See the documentation of Hypervisor
|
|
"""
|
|
if hypervisor_id not in self._hypervisors:
|
|
hypervisor = Hypervisor(hypervisor_id=hypervisor_id, controller=self, **kwargs)
|
|
self._hypervisors[hypervisor_id] = hypervisor
|
|
return self._hypervisors[hypervisor_id]
|
|
|
|
@property
|
|
def hypervisors(self):
|
|
"""
|
|
:returns: The dictionnary of hypervisors managed by GNS3
|
|
"""
|
|
return self._hypervisors
|
|
|
|
def getHypervisor(self, hypervisor_id):
|
|
"""
|
|
Return an hypervisor or raise a 404
|
|
"""
|
|
try:
|
|
return self._hypervisors[hypervisor_id]
|
|
except KeyError:
|
|
raise aiohttp.web.HTTPNotFound(text="Hypervisor ID {} doesn't exist".format(hypervisor_id))
|
|
|
|
@asyncio.coroutine
|
|
def addProject(self, project_id=None, **kwargs):
|
|
"""
|
|
Create a project or return an existing project
|
|
|
|
:param kwargs: See the documentation of Project
|
|
"""
|
|
if project_id not in self._projects:
|
|
project = Project(project_id=project_id, **kwargs)
|
|
self._projects[project.id] = project
|
|
for hypervisor in self._hypervisors.values():
|
|
yield from project.addHypervisor(hypervisor)
|
|
return self._projects[project.id]
|
|
return self._projects[project_id]
|
|
|
|
def getProject(self, project_id):
|
|
"""
|
|
Return a project or raise a 404
|
|
"""
|
|
try:
|
|
return self._projects[project_id]
|
|
except KeyError:
|
|
raise aiohttp.web.HTTPNotFound(text="Project ID {} doesn't exist".format(project_id))
|
|
|
|
def removeProject(self, project):
|
|
del self._projects[project.id]
|
|
|
|
@property
|
|
def projects(self):
|
|
"""
|
|
:returns: The dictionnary of hypervisors managed by GNS3
|
|
"""
|
|
return self._projects
|
|
|
|
@staticmethod
|
|
def instance():
|
|
"""
|
|
Singleton to return only on instance of Controller.
|
|
:returns: instance of Controller
|
|
"""
|
|
|
|
if not hasattr(Controller, '_instance') or Controller._instance is None:
|
|
Controller._instance = Controller()
|
|
return Controller._instance
|
|
|
|
def emit(self, action, event, **kwargs):
|
|
"""
|
|
Send a notification to clients scoped by projects
|
|
"""
|
|
|
|
if "project_id" in kwargs:
|
|
try:
|
|
project_id = kwargs.pop("project_id")
|
|
self._projects[project_id].emit(action, event, **kwargs)
|
|
except KeyError:
|
|
pass
|
|
else:
|
|
for project in self._projects.values():
|
|
project.emit(action, event, **kwargs)
|