mirror of
https://github.com/GNS3/gns3-server
synced 2024-12-25 00:08:11 +00:00
So we have running code for a qemu module
Now the handlers. The telnet code is not yet async
This commit is contained in:
parent
25bcbfb073
commit
b03b9226ff
41
gns3server/modules/qemu/__init__.py
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41
gns3server/modules/qemu/__init__.py
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@ -0,0 +1,41 @@
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# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2015 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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"""
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Qemu server module.
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"""
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import asyncio
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from ..base_manager import BaseManager
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from .qemu_error import QemuError
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from .qemu_vm import QemuVM
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class Qemu(BaseManager):
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_VM_CLASS = QemuVM
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@staticmethod
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def get_legacy_vm_workdir_name(legacy_vm_id):
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"""
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Returns the name of the legacy working directory name for a VM.
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:param legacy_vm_id: legacy VM identifier (integer)
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:returns: working directory name
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"""
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return "pc-{}".format(legacy_vm_id)
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27
gns3server/modules/qemu/qemu_error.py
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27
gns3server/modules/qemu/qemu_error.py
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@ -0,0 +1,27 @@
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# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2013 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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"""
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Custom exceptions for Qemu module.
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"""
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from ..vm_error import VMError
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class QemuError(VMError):
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pass
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@ -29,6 +29,7 @@ import ntpath
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import telnetlib
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import time
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import re
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import asyncio
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from gns3server.config import Config
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@ -66,10 +67,6 @@ class QemuVM(BaseVM):
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:param monitor_end_port_range: TCP monitor port range end
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"""
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_instances = []
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_allocated_console_ports = []
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_allocated_monitor_ports = []
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def __init__(self,
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name,
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vm_id,
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@ -102,7 +99,7 @@ class QemuVM(BaseVM):
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self._monitor_end_port_range = monitor_end_port_range
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# QEMU settings
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self._qemu_path = qemu_path
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self.qemu_path = qemu_path
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self._hda_disk_image = ""
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self._hdb_disk_image = ""
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self._options = ""
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@ -127,136 +124,6 @@ class QemuVM(BaseVM):
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log.info("QEMU VM {name} [id={id}] has been created".format(name=self._name,
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id=self._id))
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def defaults(self):
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"""
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Returns all the default attribute values for this QEMU VM.
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:returns: default values (dictionary)
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"""
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qemu_defaults = {"name": self._name,
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"qemu_path": self._qemu_path,
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"ram": self._ram,
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"hda_disk_image": self._hda_disk_image,
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"hdb_disk_image": self._hdb_disk_image,
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"options": self._options,
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"adapters": self.adapters,
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"adapter_type": self._adapter_type,
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"console": self._console,
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"monitor": self._monitor,
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"initrd": self._initrd,
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"kernel_image": self._kernel_image,
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"kernel_command_line": self._kernel_command_line,
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"legacy_networking": self._legacy_networking,
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"cpu_throttling": self._cpu_throttling,
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"process_priority": self._process_priority
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}
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return qemu_defaults
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@property
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def id(self):
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"""
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Returns the unique ID for this QEMU VM.
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:returns: id (integer)
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"""
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return self._id
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@classmethod
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def reset(cls):
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"""
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Resets allocated instance list.
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"""
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cls._instances.clear()
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cls._allocated_console_ports.clear()
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cls._allocated_monitor_ports.clear()
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@property
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def name(self):
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"""
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Returns the name of this QEMU VM.
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:returns: name
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"""
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return self._name
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@name.setter
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def name(self, new_name):
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"""
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Sets the name of this QEMU VM.
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:param new_name: name
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"""
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log.info("QEMU VM {name} [id={id}]: renamed to {new_name}".format(name=self._name,
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id=self._id,
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new_name=new_name))
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self._name = new_name
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@property
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def working_dir(self):
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"""
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Returns current working directory
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:returns: path to the working directory
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"""
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return self._working_dir
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@working_dir.setter
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def working_dir(self, working_dir):
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"""
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Sets the working directory this QEMU VM.
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:param working_dir: path to the working directory
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"""
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try:
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os.makedirs(working_dir)
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except FileExistsError:
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pass
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except OSError as e:
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raise QemuError("Could not create working directory {}: {}".format(working_dir, e))
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self._working_dir = working_dir
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log.info("QEMU VM {name} [id={id}]: working directory changed to {wd}".format(name=self._name,
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id=self._id,
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wd=self._working_dir))
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@property
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def console(self):
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"""
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Returns the TCP console port.
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:returns: console port (integer)
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"""
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return self._console
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@console.setter
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def console(self, console):
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"""
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Sets the TCP console port.
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:param console: console port (integer)
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"""
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if console in self._allocated_console_ports:
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raise QemuError("Console port {} is already used by another QEMU VM".format(console))
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self._allocated_console_ports.remove(self._console)
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self._console = console
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self._allocated_console_ports.append(self._console)
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log.info("QEMU VM {name} [id={id}]: console port set to {port}".format(name=self._name,
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id=self._id,
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port=console))
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@property
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def monitor(self):
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"""
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@ -275,16 +142,16 @@ class QemuVM(BaseVM):
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:param monitor: monitor port (integer)
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"""
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if monitor in self._allocated_monitor_ports:
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raise QemuError("Monitor port {} is already used by another QEMU VM".format(monitor))
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self._allocated_monitor_ports.remove(self._monitor)
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self._monitor = monitor
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self._allocated_monitor_ports.append(self._monitor)
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log.info("QEMU VM {name} [id={id}]: monitor port set to {port}".format(name=self._name,
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id=self._id,
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port=monitor))
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if monitor == self._monitor:
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return
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if self._monitor:
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self._manager.port_manager.release_monitor_port(self._monitor)
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self._monitor = self._manager.port_manager.reserve_monitor_port(monitor)
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log.info("{module}: '{name}' [{id}]: monitor port set to {port}".format(
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module=self.manager.module_name,
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name=self.name,
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id=self.id,
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port=monitor))
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def delete(self):
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"""
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@ -304,53 +171,6 @@ class QemuVM(BaseVM):
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log.info("QEMU VM {name} [id={id}] has been deleted".format(name=self._name,
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id=self._id))
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def clean_delete(self):
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"""
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Deletes this QEMU VM & all files.
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"""
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self.stop()
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if self._id in self._instances:
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self._instances.remove(self._id)
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if self._console:
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self._allocated_console_ports.remove(self._console)
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if self._monitor:
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self._allocated_monitor_ports.remove(self._monitor)
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try:
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shutil.rmtree(self._working_dir)
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except OSError as e:
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log.error("could not delete QEMU VM {name} [id={id}]: {error}".format(name=self._name,
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id=self._id,
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error=e))
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return
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log.info("QEMU VM {name} [id={id}] has been deleted (including associated files)".format(name=self._name,
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id=self._id))
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@property
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def cloud_path(self):
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"""
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Returns the cloud path where images can be downloaded from.
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:returns: cloud path
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"""
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return self._cloud_path
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@cloud_path.setter
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def cloud_path(self, cloud_path):
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"""
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Sets the cloud path where images can be downloaded from.
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:param cloud_path:
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:return:
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"""
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self._cloud_path = cloud_path
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@property
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def qemu_path(self):
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"""
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@ -369,10 +189,20 @@ class QemuVM(BaseVM):
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:param qemu_path: QEMU path
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"""
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if qemu_path and os.pathsep not in qemu_path:
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qemu_path = shutil.which(qemu_path)
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if qemu_path is None:
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raise QemuError("QEMU binary path is not set or not found in the path")
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if not os.path.exists(qemu_path):
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raise QemuError("QEMU binary '{}' is not accessible".format(qemu_path))
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if not os.access(qemu_path, os.X_OK):
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raise QemuError("QEMU binary '{}' is not executable".format(qemu_path))
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self._qemu_path = qemu_path
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log.info("QEMU VM {name} [id={id}] has set the QEMU path to {qemu_path}".format(name=self._name,
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id=self._id,
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qemu_path=qemu_path))
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self._qemu_path = qemu_path
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@property
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def hda_disk_image(self):
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@ -658,6 +488,7 @@ class QemuVM(BaseVM):
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kernel_command_line=kernel_command_line))
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self._kernel_command_line = kernel_command_line
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@asyncio.coroutine
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def _set_process_priority(self):
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"""
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Changes the process priority
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@ -700,7 +531,8 @@ class QemuVM(BaseVM):
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else:
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priority = 0
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try:
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subprocess.call(['renice', '-n', str(priority), '-p', str(self._process.pid)])
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process = yield from asyncio.create_subprocess_exec('renice', '-n', str(priority), '-p', str(self._process.pid))
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yield from process.wait()
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except (OSError, subprocess.SubprocessError) as e:
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log.error("could not change process priority for QEMU VM {}: {}".format(self._name, e))
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@ -729,13 +561,14 @@ class QemuVM(BaseVM):
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cpulimit_exec = os.path.join(os.path.dirname(os.path.abspath(sys.executable)), "cpulimit", "cpulimit.exe")
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else:
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cpulimit_exec = "cpulimit"
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subprocess.Popen([cpulimit_exec, "--lazy", "--pid={}".format(self._process.pid), "--limit={}".format(self._cpu_throttling)], cwd=self._working_dir)
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subprocess.Popen([cpulimit_exec, "--lazy", "--pid={}".format(self._process.pid), "--limit={}".format(self._cpu_throttling)], cwd=self.working_dir)
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log.info("CPU throttled to {}%".format(self._cpu_throttling))
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except FileNotFoundError:
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raise QemuError("cpulimit could not be found, please install it or deactivate CPU throttling")
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except (OSError, subprocess.SubprocessError) as e:
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raise QemuError("Could not throttle CPU: {}".format(e))
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@asyncio.coroutine
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def start(self):
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"""
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Starts this QEMU VM.
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@ -748,92 +581,28 @@ class QemuVM(BaseVM):
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return
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else:
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if not os.path.isfile(self._qemu_path) or not os.path.exists(self._qemu_path):
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found = False
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paths = [os.getcwd()] + os.environ["PATH"].split(os.pathsep)
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# look for the qemu binary in the current working directory and $PATH
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for path in paths:
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try:
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if self._qemu_path in os.listdir(path) and os.access(os.path.join(path, self._qemu_path), os.X_OK):
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self._qemu_path = os.path.join(path, self._qemu_path)
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found = True
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break
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except OSError:
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continue
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if not found:
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raise QemuError("QEMU binary '{}' is not accessible".format(self._qemu_path))
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if self.cloud_path is not None:
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# Download from Cloud Files
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if self.hda_disk_image != "":
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_, filename = ntpath.split(self.hda_disk_image)
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src = '{}/{}'.format(self.cloud_path, filename)
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dst = os.path.join(self.working_dir, filename)
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if not os.path.isfile(dst):
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cloud_settings = Config.instance().cloud_settings()
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provider = get_provider(cloud_settings)
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log.debug("Downloading file from {} to {}...".format(src, dst))
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provider.download_file(src, dst)
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log.debug("Download of {} complete.".format(src))
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self.hda_disk_image = dst
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if self.hdb_disk_image != "":
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_, filename = ntpath.split(self.hdb_disk_image)
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src = '{}/{}'.format(self.cloud_path, filename)
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dst = os.path.join(self.working_dir, filename)
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if not os.path.isfile(dst):
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cloud_settings = Config.instance().cloud_settings()
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provider = get_provider(cloud_settings)
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log.debug("Downloading file from {} to {}...".format(src, dst))
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provider.download_file(src, dst)
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log.debug("Download of {} complete.".format(src))
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self.hdb_disk_image = dst
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if self.initrd != "":
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_, filename = ntpath.split(self.initrd)
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src = '{}/{}'.format(self.cloud_path, filename)
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dst = os.path.join(self.working_dir, filename)
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if not os.path.isfile(dst):
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cloud_settings = Config.instance().cloud_settings()
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provider = get_provider(cloud_settings)
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log.debug("Downloading file from {} to {}...".format(src, dst))
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provider.download_file(src, dst)
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log.debug("Download of {} complete.".format(src))
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self.initrd = dst
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if self.kernel_image != "":
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_, filename = ntpath.split(self.kernel_image)
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src = '{}/{}'.format(self.cloud_path, filename)
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dst = os.path.join(self.working_dir, filename)
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if not os.path.isfile(dst):
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cloud_settings = Config.instance().cloud_settings()
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provider = get_provider(cloud_settings)
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log.debug("Downloading file from {} to {}...".format(src, dst))
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provider.download_file(src, dst)
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log.debug("Download of {} complete.".format(src))
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self.kernel_image = dst
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self._command = self._build_command()
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self._command = yield from self._build_command()
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try:
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log.info("starting QEMU: {}".format(self._command))
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self._stdout_file = os.path.join(self._working_dir, "qemu.log")
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self._stdout_file = os.path.join(self.working_dir, "qemu.log")
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log.info("logging to {}".format(self._stdout_file))
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with open(self._stdout_file, "w") as fd:
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self._process = subprocess.Popen(self._command,
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stdout=fd,
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stderr=subprocess.STDOUT,
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cwd=self._working_dir)
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self._process = yield from asyncio.create_subprocess_exec(*self._command,
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stdout=fd,
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stderr=subprocess.STDOUT,
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cwd=self.working_dir)
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log.info("QEMU VM instance {} started PID={}".format(self._id, self._process.pid))
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self._started = True
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except (OSError, subprocess.SubprocessError) as e:
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stdout = self.read_stdout()
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log.error("could not start QEMU {}: {}\n{}".format(self._qemu_path, e, stdout))
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raise QemuError("could not start QEMU {}: {}\n{}".format(self._qemu_path, e, stdout))
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log.error("could not start QEMU {}: {}\n{}".format(self.qemu_path, e, stdout))
|
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raise QemuError("could not start QEMU {}: {}\n{}".format(self.qemu_path, e, stdout))
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|
||||
self._set_process_priority()
|
||||
if self._cpu_throttling:
|
||||
self._set_cpu_throttling()
|
||||
|
||||
@asyncio.coroutine
|
||||
def stop(self):
|
||||
"""
|
||||
Stops this QEMU VM.
|
||||
@ -854,6 +623,7 @@ class QemuVM(BaseVM):
|
||||
self._started = False
|
||||
self._stop_cpulimit()
|
||||
|
||||
@asyncio.coroutine
|
||||
def _control_vm(self, command, expected=None, timeout=30):
|
||||
"""
|
||||
Executes a command with QEMU monitor when this VM is running.
|
||||
@ -889,6 +659,18 @@ class QemuVM(BaseVM):
|
||||
tn.close()
|
||||
return result
|
||||
|
||||
@asyncio.coroutine
|
||||
def close(self):
|
||||
|
||||
yield from self.stop()
|
||||
if self._console:
|
||||
self._manager.port_manager.release_console_port(self._console)
|
||||
self._console = None
|
||||
if self._monitor:
|
||||
self._manager.port_manager.release_console_port(self._monitor)
|
||||
self._monitor = None
|
||||
|
||||
@asyncio.coroutine
|
||||
def _get_vm_status(self):
|
||||
"""
|
||||
Returns this VM suspend status (running|paused)
|
||||
@ -898,43 +680,47 @@ class QemuVM(BaseVM):
|
||||
|
||||
result = None
|
||||
|
||||
match = self._control_vm("info status", [b"running", b"paused"])
|
||||
match = yield from self._control_vm("info status", [b"running", b"paused"])
|
||||
if match:
|
||||
result = match.group(0).decode('ascii')
|
||||
return result
|
||||
|
||||
@asyncio.coroutine
|
||||
def suspend(self):
|
||||
"""
|
||||
Suspends this QEMU VM.
|
||||
"""
|
||||
|
||||
vm_status = self._get_vm_status()
|
||||
vm_status = yield from self._get_vm_status()
|
||||
if vm_status == "running":
|
||||
self._control_vm("stop")
|
||||
yield from self._control_vm("stop")
|
||||
log.debug("QEMU VM has been suspended")
|
||||
else:
|
||||
log.info("QEMU VM is not running to be suspended, current status is {}".format(vm_status))
|
||||
|
||||
@asyncio.coroutine
|
||||
def reload(self):
|
||||
"""
|
||||
Reloads this QEMU VM.
|
||||
"""
|
||||
|
||||
self._control_vm("system_reset")
|
||||
yield from self._control_vm("system_reset")
|
||||
log.debug("QEMU VM has been reset")
|
||||
|
||||
@asyncio.coroutine
|
||||
def resume(self):
|
||||
"""
|
||||
Resumes this QEMU VM.
|
||||
"""
|
||||
|
||||
vm_status = self._get_vm_status()
|
||||
vm_status = yield from self._get_vm_status()
|
||||
if vm_status == "paused":
|
||||
self._control_vm("cont")
|
||||
yield from self._control_vm("cont")
|
||||
log.debug("QEMU VM has been resumed")
|
||||
else:
|
||||
log.info("QEMU VM is not paused to be resumed, current status is {}".format(vm_status))
|
||||
|
||||
@asyncio.coroutine
|
||||
def port_add_nio_binding(self, adapter_id, nio):
|
||||
"""
|
||||
Adds a port NIO binding.
|
||||
@ -953,20 +739,20 @@ class QemuVM(BaseVM):
|
||||
# dynamically configure an UDP tunnel on the QEMU VM adapter
|
||||
if nio and isinstance(nio, NIO_UDP):
|
||||
if self._legacy_networking:
|
||||
self._control_vm("host_net_remove {} gns3-{}".format(adapter_id, adapter_id))
|
||||
self._control_vm("host_net_add udp vlan={},name=gns3-{},sport={},dport={},daddr={}".format(adapter_id,
|
||||
adapter_id,
|
||||
nio.lport,
|
||||
nio.rport,
|
||||
nio.rhost))
|
||||
yield from self._control_vm("host_net_remove {} gns3-{}".format(adapter_id, adapter_id))
|
||||
yield from self._control_vm("host_net_add udp vlan={},name=gns3-{},sport={},dport={},daddr={}".format(adapter_id,
|
||||
adapter_id,
|
||||
nio.lport,
|
||||
nio.rport,
|
||||
nio.rhost))
|
||||
else:
|
||||
self._control_vm("host_net_remove {} gns3-{}".format(adapter_id, adapter_id))
|
||||
self._control_vm("host_net_add socket vlan={},name=gns3-{},udp={}:{},localaddr={}:{}".format(adapter_id,
|
||||
adapter_id,
|
||||
nio.rhost,
|
||||
nio.rport,
|
||||
self._host,
|
||||
nio.lport))
|
||||
yield from self._control_vm("host_net_remove {} gns3-{}".format(adapter_id, adapter_id))
|
||||
yield from self._control_vm("host_net_add socket vlan={},name=gns3-{},udp={}:{},localaddr={}:{}".format(adapter_id,
|
||||
adapter_id,
|
||||
nio.rhost,
|
||||
nio.rport,
|
||||
self._host,
|
||||
nio.lport))
|
||||
|
||||
adapter.add_nio(0, nio)
|
||||
log.info("QEMU VM {name} [id={id}]: {nio} added to adapter {adapter_id}".format(name=self._name,
|
||||
@ -974,6 +760,7 @@ class QemuVM(BaseVM):
|
||||
nio=nio,
|
||||
adapter_id=adapter_id))
|
||||
|
||||
@asyncio.coroutine
|
||||
def port_remove_nio_binding(self, adapter_id):
|
||||
"""
|
||||
Removes a port NIO binding.
|
||||
@ -991,8 +778,8 @@ class QemuVM(BaseVM):
|
||||
|
||||
if self.is_running():
|
||||
# dynamically disable the QEMU VM adapter
|
||||
self._control_vm("host_net_remove {} gns3-{}".format(adapter_id, adapter_id))
|
||||
self._control_vm("host_net_add user vlan={},name=gns3-{}".format(adapter_id, adapter_id))
|
||||
yield from self._control_vm("host_net_remove {} gns3-{}".format(adapter_id, adapter_id))
|
||||
yield from self._control_vm("host_net_add user vlan={},name=gns3-{}".format(adapter_id, adapter_id))
|
||||
|
||||
nio = adapter.get_nio(0)
|
||||
adapter.remove_nio(0)
|
||||
@ -1034,7 +821,7 @@ class QemuVM(BaseVM):
|
||||
:returns: True or False
|
||||
"""
|
||||
|
||||
if self._process and self._process.poll() is None:
|
||||
if self._process:
|
||||
return True
|
||||
return False
|
||||
|
||||
@ -1061,11 +848,12 @@ class QemuVM(BaseVM):
|
||||
else:
|
||||
return []
|
||||
|
||||
@asyncio.coroutine
|
||||
def _disk_options(self):
|
||||
|
||||
options = []
|
||||
qemu_img_path = ""
|
||||
qemu_path_dir = os.path.dirname(self._qemu_path)
|
||||
qemu_path_dir = os.path.dirname(self.qemu_path)
|
||||
try:
|
||||
for f in os.listdir(qemu_path_dir):
|
||||
if f.startswith("qemu-img"):
|
||||
@ -1083,17 +871,19 @@ class QemuVM(BaseVM):
|
||||
raise QemuError("hda disk image '{}' linked to '{}' is not accessible".format(self._hda_disk_image, os.path.realpath(self._hda_disk_image)))
|
||||
else:
|
||||
raise QemuError("hda disk image '{}' is not accessible".format(self._hda_disk_image))
|
||||
hda_disk = os.path.join(self._working_dir, "hda_disk.qcow2")
|
||||
hda_disk = os.path.join(self.working_dir, "hda_disk.qcow2")
|
||||
if not os.path.exists(hda_disk):
|
||||
retcode = subprocess.call([qemu_img_path, "create", "-o",
|
||||
"backing_file={}".format(self._hda_disk_image),
|
||||
"-f", "qcow2", hda_disk])
|
||||
process = yield from asyncio.create_subprocess_exec(qemu_img_path, "create", "-o",
|
||||
"backing_file={}".format(self._hda_disk_image),
|
||||
"-f", "qcow2", hda_disk)
|
||||
retcode = yield from process.wait()
|
||||
log.info("{} returned with {}".format(qemu_img_path, retcode))
|
||||
else:
|
||||
# create a "FLASH" with 256MB if no disk image has been specified
|
||||
hda_disk = os.path.join(self._working_dir, "flash.qcow2")
|
||||
hda_disk = os.path.join(self.working_dir, "flash.qcow2")
|
||||
if not os.path.exists(hda_disk):
|
||||
retcode = subprocess.call([qemu_img_path, "create", "-f", "qcow2", hda_disk, "128M"])
|
||||
process = yield from asyncio.create_subprocess_exec(qemu_img_path, "create", "-f", "qcow2", hda_disk, "128M")
|
||||
retcode = yield from process.wait()
|
||||
log.info("{} returned with {}".format(qemu_img_path, retcode))
|
||||
|
||||
except (OSError, subprocess.SubprocessError) as e:
|
||||
@ -1106,12 +896,13 @@ class QemuVM(BaseVM):
|
||||
raise QemuError("hdb disk image '{}' linked to '{}' is not accessible".format(self._hdb_disk_image, os.path.realpath(self._hdb_disk_image)))
|
||||
else:
|
||||
raise QemuError("hdb disk image '{}' is not accessible".format(self._hdb_disk_image))
|
||||
hdb_disk = os.path.join(self._working_dir, "hdb_disk.qcow2")
|
||||
hdb_disk = os.path.join(self.working_dir, "hdb_disk.qcow2")
|
||||
if not os.path.exists(hdb_disk):
|
||||
try:
|
||||
retcode = subprocess.call([qemu_img_path, "create", "-o",
|
||||
"backing_file={}".format(self._hdb_disk_image),
|
||||
"-f", "qcow2", hdb_disk])
|
||||
process = yield from asyncio.create_subprocess_exec(qemu_img_path, "create", "-o",
|
||||
"backing_file={}".format(self._hdb_disk_image),
|
||||
"-f", "qcow2", hdb_disk)
|
||||
retcode = yield from process.wait()
|
||||
log.info("{} returned with {}".format(qemu_img_path, retcode))
|
||||
except (OSError, subprocess.SubprocessError) as e:
|
||||
raise QemuError("Could not create disk image {}".format(e))
|
||||
@ -1170,16 +961,18 @@ class QemuVM(BaseVM):
|
||||
|
||||
return network_options
|
||||
|
||||
@asyncio.coroutine
|
||||
def _build_command(self):
|
||||
"""
|
||||
Command to start the QEMU process.
|
||||
(to be passed to subprocess.Popen())
|
||||
"""
|
||||
|
||||
command = [self._qemu_path]
|
||||
command = [self.qemu_path]
|
||||
command.extend(["-name", self._name])
|
||||
command.extend(["-m", str(self._ram)])
|
||||
command.extend(self._disk_options())
|
||||
disk_options = yield from self._disk_options()
|
||||
command.extend(disk_options)
|
||||
command.extend(self._linux_boot_options())
|
||||
command.extend(self._serial_options())
|
||||
command.extend(self._monitor_options())
|
||||
|
188
tests/modules/qemu/test_qemu_vm.py
Normal file
188
tests/modules/qemu/test_qemu_vm.py
Normal file
@ -0,0 +1,188 @@
|
||||
# -*- 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/>.
|
||||
|
||||
import pytest
|
||||
import aiohttp
|
||||
import asyncio
|
||||
import os
|
||||
import stat
|
||||
from tests.utils import asyncio_patch
|
||||
|
||||
|
||||
from unittest.mock import patch, MagicMock
|
||||
from gns3server.modules.qemu.qemu_vm import QemuVM
|
||||
from gns3server.modules.qemu.qemu_error import QemuError
|
||||
from gns3server.modules.qemu import Qemu
|
||||
|
||||
|
||||
@pytest.fixture(scope="module")
|
||||
def manager(port_manager):
|
||||
m = Qemu.instance()
|
||||
m.port_manager = port_manager
|
||||
return m
|
||||
|
||||
|
||||
@pytest.fixture
|
||||
def fake_qemu_img_binary():
|
||||
|
||||
bin_path = os.path.join(os.environ["PATH"], "qemu-img")
|
||||
with open(bin_path, "w+") as f:
|
||||
f.write("1")
|
||||
os.chmod(bin_path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR)
|
||||
return bin_path
|
||||
|
||||
|
||||
@pytest.fixture
|
||||
def fake_qemu_binary():
|
||||
|
||||
bin_path = os.path.join(os.environ["PATH"], "qemu_x42")
|
||||
with open(bin_path, "w+") as f:
|
||||
f.write("1")
|
||||
os.chmod(bin_path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR)
|
||||
return bin_path
|
||||
|
||||
|
||||
@pytest.fixture(scope="function")
|
||||
def vm(project, manager, fake_qemu_binary, fake_qemu_img_binary):
|
||||
return QemuVM("test", "00010203-0405-0607-0809-0a0b0c0d0e0f", project, manager, qemu_path=fake_qemu_binary)
|
||||
|
||||
|
||||
def test_vm(project, manager, fake_qemu_binary):
|
||||
vm = QemuVM("test", "00010203-0405-0607-0809-0a0b0c0d0e0f", project, manager, qemu_path=fake_qemu_binary)
|
||||
assert vm.name == "test"
|
||||
assert vm.id == "00010203-0405-0607-0809-0a0b0c0d0e0f"
|
||||
|
||||
|
||||
def test_start(loop, vm):
|
||||
with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()):
|
||||
loop.run_until_complete(asyncio.async(vm.start()))
|
||||
assert vm.is_running()
|
||||
|
||||
|
||||
def test_stop(loop, vm):
|
||||
process = MagicMock()
|
||||
|
||||
# Wait process kill success
|
||||
future = asyncio.Future()
|
||||
future.set_result(True)
|
||||
process.wait.return_value = future
|
||||
|
||||
with asyncio_patch("asyncio.create_subprocess_exec", return_value=process):
|
||||
nio = Qemu.instance().create_nio(vm.qemu_path, {"type": "nio_udp", "lport": 4242, "rport": 4243, "rhost": "127.0.0.1"})
|
||||
vm.port_add_nio_binding(0, nio)
|
||||
loop.run_until_complete(asyncio.async(vm.start()))
|
||||
assert vm.is_running()
|
||||
loop.run_until_complete(asyncio.async(vm.stop()))
|
||||
assert vm.is_running() is False
|
||||
process.terminate.assert_called_with()
|
||||
|
||||
|
||||
def test_reload(loop, vm):
|
||||
|
||||
with asyncio_patch("gns3server.modules.qemu.QemuVM._control_vm") as mock:
|
||||
loop.run_until_complete(asyncio.async(vm.reload()))
|
||||
assert mock.called_with("system_reset")
|
||||
|
||||
|
||||
def test_add_nio_binding_udp(vm, loop):
|
||||
nio = Qemu.instance().create_nio(vm.qemu_path, {"type": "nio_udp", "lport": 4242, "rport": 4243, "rhost": "127.0.0.1"})
|
||||
loop.run_until_complete(asyncio.async(vm.port_add_nio_binding(0, nio)))
|
||||
assert nio.lport == 4242
|
||||
|
||||
|
||||
def test_add_nio_binding_tap(vm, loop):
|
||||
with patch("gns3server.modules.base_manager.BaseManager._has_privileged_access", return_value=True):
|
||||
nio = Qemu.instance().create_nio(vm.qemu_path, {"type": "nio_tap", "tap_device": "test"})
|
||||
loop.run_until_complete(asyncio.async(vm.port_add_nio_binding(0, nio)))
|
||||
assert nio.tap_device == "test"
|
||||
|
||||
|
||||
def test_port_remove_nio_binding(vm, loop):
|
||||
nio = Qemu.instance().create_nio(vm.qemu_path, {"type": "nio_udp", "lport": 4242, "rport": 4243, "rhost": "127.0.0.1"})
|
||||
loop.run_until_complete(asyncio.async(vm.port_add_nio_binding(0, nio)))
|
||||
loop.run_until_complete(asyncio.async(vm.port_remove_nio_binding(0)))
|
||||
assert vm._ethernet_adapters[0].ports[0] is None
|
||||
|
||||
|
||||
def test_close(vm, port_manager, loop):
|
||||
with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()):
|
||||
loop.run_until_complete(asyncio.async(vm.start()))
|
||||
|
||||
console_port = vm.console
|
||||
monitor_port = vm.monitor
|
||||
|
||||
loop.run_until_complete(asyncio.async(vm.close()))
|
||||
|
||||
# Raise an exception if the port is not free
|
||||
port_manager.reserve_console_port(console_port)
|
||||
# Raise an exception if the port is not free
|
||||
port_manager.reserve_console_port(monitor_port)
|
||||
|
||||
assert vm.is_running() is False
|
||||
|
||||
|
||||
def test_set_qemu_path(vm, tmpdir, fake_qemu_binary):
|
||||
|
||||
# Raise because none
|
||||
with pytest.raises(QemuError):
|
||||
vm.qemu_path = None
|
||||
|
||||
path = str(tmpdir / "bla")
|
||||
|
||||
# Raise because file doesn't exists
|
||||
with pytest.raises(QemuError):
|
||||
vm.qemu_path = path
|
||||
|
||||
with open(path, "w+") as f:
|
||||
f.write("1")
|
||||
|
||||
# Raise because file is not executable
|
||||
with pytest.raises(QemuError):
|
||||
vm.qemu_path = path
|
||||
|
||||
os.chmod(path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR)
|
||||
|
||||
vm.qemu_path = path
|
||||
assert vm.qemu_path == path
|
||||
|
||||
|
||||
def test_set_qemu_path_environ(vm, tmpdir, fake_qemu_binary):
|
||||
|
||||
# It should find the binary in the path
|
||||
vm.qemu_path = "qemu_x42"
|
||||
|
||||
assert vm.qemu_path == fake_qemu_binary
|
||||
|
||||
|
||||
def test_disk_options(vm, loop, fake_qemu_img_binary):
|
||||
|
||||
with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
|
||||
loop.run_until_complete(asyncio.async(vm._disk_options()))
|
||||
assert process.called
|
||||
args, kwargs = process.call_args
|
||||
assert args == (fake_qemu_img_binary, "create", "-f", "qcow2", os.path.join(vm.working_dir, "flash.qcow2"), "128M")
|
||||
|
||||
|
||||
def test_set_process_priority(vm, loop, fake_qemu_img_binary):
|
||||
|
||||
with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
|
||||
vm._process = MagicMock()
|
||||
vm._process.pid = 42
|
||||
loop.run_until_complete(asyncio.async(vm._set_process_priority()))
|
||||
assert process.called
|
||||
args, kwargs = process.call_args
|
||||
assert args == ("renice", "-n", "5", "-p", "42")
|
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