mirror of
https://github.com/GNS3/gns3-server
synced 2024-12-25 16:28:11 +00:00
Modules support start iou process (not ioucon and iouyap)
This commit is contained in:
Julien Duponchelle
parent
79a57ca420
commit
2e99ef69a9
@ -18,5 +18,6 @@
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from .vpcs import VPCS
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from .virtualbox import VirtualBox
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from .dynamips import Dynamips
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from .iou import IOU
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MODULES = [VPCS, VirtualBox, Dynamips]
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MODULES = [VPCS, VirtualBox, Dynamips, IOU]
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@ -29,4 +29,4 @@ class EthernetAdapter(Adapter):
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def __str__(self):
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return "VPCS Ethernet adapter"
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return "Ethernet adapter"
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32
gns3server/modules/adapters/serial_adapter.py
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32
gns3server/modules/adapters/serial_adapter.py
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@ -0,0 +1,32 @@
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# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2014 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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from .adapter import Adapter
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class SerialAdapter(Adapter):
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"""
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VPCS Ethernet adapter.
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"""
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def __init__(self):
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Adapter.__init__(self, interfaces=1)
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def __str__(self):
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return "Serial adapter"
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@ -22,18 +22,4 @@ Custom exceptions for Dynamips module.
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class DynamipsError(Exception):
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def __init__(self, message, original_exception=None):
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Exception.__init__(self, message)
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if isinstance(message, Exception):
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message = str(message)
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self._message = message
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self._original_exception = original_exception
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def __repr__(self):
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return self._message
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def __str__(self):
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return self._message
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pass
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64
gns3server/modules/iou/__init__.py
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64
gns3server/modules/iou/__init__.py
Normal file
@ -0,0 +1,64 @@
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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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IOU 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 .iou_error import IOUError
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from .iou_vm import IOUVM
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class IOU(BaseManager):
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_VM_CLASS = IOUVM
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def __init__(self):
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super().__init__()
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self._free_application_ids = list(range(1, 512))
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self._used_application_ids = {}
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@asyncio.coroutine
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def create_vm(self, *args, **kwargs):
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vm = yield from super().create_vm(*args, **kwargs)
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try:
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self._used_application_ids[vm.id] = self._free_application_ids.pop(0)
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except IndexError:
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raise IOUError("No mac address available")
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return vm
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@asyncio.coroutine
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def delete_vm(self, vm_id, *args, **kwargs):
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vm = self.get_vm(vm_id)
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i = self._used_application_ids[vm_id]
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self._free_application_ids.insert(0, i)
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del self._used_application_ids[vm_id]
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yield from super().delete_vm(vm_id, *args, **kwargs)
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def get_application_id(self, vm_id):
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"""
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Get an unique IOU mac id
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:param vm_id: ID of the IOU VM
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:returns: IOU MAC id
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"""
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return self._used_application_ids.get(vm_id, 1)
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26
gns3server/modules/iou/iou_error.py
Normal file
26
gns3server/modules/iou/iou_error.py
Normal file
@ -0,0 +1,26 @@
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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 IOU module.
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"""
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from ..vm_error import VMError
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class IOUError(VMError):
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pass
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460
gns3server/modules/iou/iou_vm.py
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460
gns3server/modules/iou/iou_vm.py
Normal file
@ -0,0 +1,460 @@
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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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IOU VM management (creates command line, processes, files etc.) in
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order to run an IOU instance.
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"""
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import os
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import sys
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import subprocess
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import signal
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import re
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import asyncio
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import shutil
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from pkg_resources import parse_version
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from .iou_error import IOUError
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from ..adapters.ethernet_adapter import EthernetAdapter
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from ..adapters.serial_adapter import SerialAdapter
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from ..base_vm import BaseVM
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import logging
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log = logging.getLogger(__name__)
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class IOUVM(BaseVM):
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module_name = 'iou'
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"""
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IOU vm implementation.
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:param name: name of this IOU vm
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:param vm_id: IOU instance identifier
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:param project: Project instance
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:param manager: parent VM Manager
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:param console: TCP console port
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"""
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def __init__(self, name, vm_id, project, manager, console=None):
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super().__init__(name, vm_id, project, manager)
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self._console = console
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self._command = []
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self._iouyap_process = None
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self._iou_process = None
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self._iou_stdout_file = ""
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self._started = False
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self._iou_path = None
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self._iourc = None
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self._ioucon_thread = None
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# IOU settings
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self._ethernet_adapters = [EthernetAdapter(), EthernetAdapter()] # one adapter = 4 interfaces
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self._serial_adapters = [SerialAdapter(), SerialAdapter()] # one adapter = 4 interfaces
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self._slots = self._ethernet_adapters + self._serial_adapters
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self._use_default_iou_values = True # for RAM & NVRAM values
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self._nvram = 128 # Kilobytes
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self._initial_config = ""
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self._ram = 256 # Megabytes
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self._l1_keepalives = False # used to overcome the always-up Ethernet interfaces (not supported by all IOSes).
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if self._console is not None:
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self._console = self._manager.port_manager.reserve_console_port(self._console)
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else:
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self._console = self._manager.port_manager.get_free_console_port()
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def close(self):
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if self._console:
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self._manager.port_manager.release_console_port(self._console)
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self._console = None
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@property
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def iou_path(self):
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"""Path of the iou binary"""
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return self._iou_path
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@iou_path.setter
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def iou_path(self, path):
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"""
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Path of the iou binary
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:params path: Path to the binary
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"""
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self._iou_path = path
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if not os.path.isfile(self._iou_path) or not os.path.exists(self._iou_path):
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if os.path.islink(self._iou_path):
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raise IOUError("IOU image '{}' linked to '{}' is not accessible".format(self._iou_path, os.path.realpath(self._iou_path)))
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else:
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raise IOUError("IOU image '{}' is not accessible".format(self._iou_path))
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try:
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with open(self._iou_path, "rb") as f:
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# read the first 7 bytes of the file.
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elf_header_start = f.read(7)
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except OSError as e:
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raise IOUError("Cannot read ELF header for IOU image '{}': {}".format(self._iou_path, e))
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# IOU images must start with the ELF magic number, be 32-bit, little endian
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# and have an ELF version of 1 normal IOS image are big endian!
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if elf_header_start != b'\x7fELF\x01\x01\x01':
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raise IOUError("'{}' is not a valid IOU image".format(self._iou_path))
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if not os.access(self._iou_path, os.X_OK):
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raise IOUError("IOU image '{}' is not executable".format(self._iou_path))
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@property
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def iourc(self):
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"""
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Returns the path to the iourc file.
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:returns: path to the iourc file
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"""
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return self._iourc
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@property
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def use_default_iou_values(self):
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"""
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Returns if this device uses the default IOU image values.
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:returns: boolean
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"""
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return self._use_default_iou_values
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@use_default_iou_values.setter
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def use_default_iou_values(self, state):
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"""
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Sets if this device uses the default IOU image values.
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:param state: boolean
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"""
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self._use_default_iou_values = state
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if state:
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log.info("IOU {name} [id={id}]: uses the default IOU image values".format(name=self._name, id=self._id))
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else:
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log.info("IOU {name} [id={id}]: does not use the default IOU image values".format(name=self._name, id=self._id))
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@iourc.setter
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def iourc(self, iourc):
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"""
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Sets the path to the iourc file.
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:param iourc: path to the iourc file.
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"""
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self._iourc = iourc
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log.info("IOU {name} [id={id}]: iourc file path set to {path}".format(name=self._name,
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id=self._id,
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path=self._iourc))
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def _check_requirements(self):
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"""
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Check if IOUYAP is available
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"""
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path = self.iouyap_path
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if not path:
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raise IOUError("No path to a IOU executable has been set")
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if not os.path.isfile(path):
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raise IOUError("IOU program '{}' is not accessible".format(path))
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if not os.access(path, os.X_OK):
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raise IOUError("IOU program '{}' is not executable".format(path))
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def __json__(self):
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return {"name": self.name,
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"vm_id": self.id,
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"console": self._console,
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"project_id": self.project.id,
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}
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@property
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def iouyap_path(self):
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"""
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Returns the IOUYAP executable path.
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:returns: path to IOUYAP
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"""
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path = self._manager.config.get_section_config("IOU").get("iouyap_path", "iouyap")
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if path == "iouyap":
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path = shutil.which("iouyap")
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return path
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@property
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def console(self):
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"""
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Returns the console port of this IOU vm.
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:returns: console port
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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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Change console port
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:params console: Console port (integer)
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"""
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if console == self._console:
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return
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if self._console:
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self._manager.port_manager.release_console_port(self._console)
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self._console = self._manager.port_manager.reserve_console_port(console)
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@property
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def application_id(self):
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return self._manager.get_application_id(self.id)
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#TODO: ASYNCIO
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def _library_check(self):
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"""
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Checks for missing shared library dependencies in the IOU image.
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"""
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try:
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output = subprocess.check_output(["ldd", self._iou_path])
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except (FileNotFoundError, subprocess.SubprocessError) as e:
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log.warn("could not determine the shared library dependencies for {}: {}".format(self._path, e))
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return
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p = re.compile("([\.\w]+)\s=>\s+not found")
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missing_libs = p.findall(output.decode("utf-8"))
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if missing_libs:
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raise IOUError("The following shared library dependencies cannot be found for IOU image {}: {}".format(self._path,
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", ".join(missing_libs)))
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@asyncio.coroutine
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def start(self):
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"""
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Starts the IOU process.
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"""
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self._check_requirements()
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if not self.is_running():
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# TODO: ASYNC
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#self._library_check()
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if not self._iourc or not os.path.isfile(self._iourc):
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raise IOUError("A valid iourc file is necessary to start IOU")
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iouyap_path = self.iouyap_path
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if not iouyap_path or not os.path.isfile(iouyap_path):
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raise IOUError("iouyap is necessary to start IOU")
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self._create_netmap_config()
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# created a environment variable pointing to the iourc file.
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env = os.environ.copy()
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env["IOURC"] = self._iourc
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self._command = self._build_command()
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try:
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log.info("Starting IOU: {}".format(self._command))
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self._iou_stdout_file = os.path.join(self.working_dir, "iou.log")
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log.info("Logging to {}".format(self._iou_stdout_file))
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with open(self._iou_stdout_file, "w") as fd:
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self._iou_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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env=env)
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log.info("IOU instance {} started PID={}".format(self._id, self._iou_process.pid))
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self._started = True
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except FileNotFoundError as e:
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raise IOUError("could not start IOU: {}: 32-bit binary support is probably not installed".format(e))
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except (OSError, subprocess.SubprocessError) as e:
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iou_stdout = self.read_iou_stdout()
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log.error("could not start IOU {}: {}\n{}".format(self._iou_path, e, iou_stdout))
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raise IOUError("could not start IOU {}: {}\n{}".format(self._iou_path, e, iou_stdout))
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# start console support
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#self._start_ioucon()
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# connections support
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#self._start_iouyap()
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@asyncio.coroutine
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def stop(self):
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"""
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Stops the IOU process.
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"""
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# stop console support
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if self._ioucon_thread:
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self._ioucon_thread_stop_event.set()
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if self._ioucon_thread.is_alive():
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self._ioucon_thread.join(timeout=3.0) # wait for the thread to free the console port
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self._ioucon_thread = None
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if self.is_running():
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self._terminate_process()
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try:
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yield from asyncio.wait_for(self._iou_process.wait(), timeout=3)
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except asyncio.TimeoutError:
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self._iou_process.kill()
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if self._iou_process.returncode is None:
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log.warn("IOU process {} is still running".format(self._iou_process.pid))
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self._iou_process = None
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self._started = False
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||||
|
||||
def _terminate_process(self):
|
||||
"""Terminate the process if running"""
|
||||
|
||||
if self._iou_process:
|
||||
log.info("Stopping IOU instance {} PID={}".format(self.name, self._iou_process.pid))
|
||||
try:
|
||||
self._iou_process.terminate()
|
||||
# Sometime the process can already be dead when we garbage collect
|
||||
except ProcessLookupError:
|
||||
pass
|
||||
|
||||
@asyncio.coroutine
|
||||
def reload(self):
|
||||
"""
|
||||
Reload the IOU process. (Stop / Start)
|
||||
"""
|
||||
|
||||
yield from self.stop()
|
||||
yield from self.start()
|
||||
|
||||
def is_running(self):
|
||||
"""
|
||||
Checks if the IOU process is running
|
||||
|
||||
:returns: True or False
|
||||
"""
|
||||
|
||||
if self._iou_process:
|
||||
return True
|
||||
return False
|
||||
|
||||
def _create_netmap_config(self):
|
||||
"""
|
||||
Creates the NETMAP file.
|
||||
"""
|
||||
|
||||
netmap_path = os.path.join(self.working_dir, "NETMAP")
|
||||
try:
|
||||
with open(netmap_path, "w") as f:
|
||||
for bay in range(0, 16):
|
||||
for unit in range(0, 4):
|
||||
f.write("{iouyap_id}:{bay}/{unit}{iou_id:>5d}:{bay}/{unit}\n".format(iouyap_id=str(self.application_id + 512),
|
||||
bay=bay,
|
||||
unit=unit,
|
||||
iou_id=self.application_id))
|
||||
log.info("IOU {name} [id={id}]: NETMAP file created".format(name=self._name,
|
||||
id=self._id))
|
||||
except OSError as e:
|
||||
raise IOUError("Could not create {}: {}".format(netmap_path, e))
|
||||
|
||||
def _build_command(self):
|
||||
"""
|
||||
Command to start the IOU process.
|
||||
(to be passed to subprocess.Popen())
|
||||
IOU command line:
|
||||
Usage: <image> [options] <application id>
|
||||
<image>: unix-js-m | unix-is-m | unix-i-m | ...
|
||||
<application id>: instance identifier (0 < id <= 1024)
|
||||
Options:
|
||||
-e <n> Number of Ethernet interfaces (default 2)
|
||||
-s <n> Number of Serial interfaces (default 2)
|
||||
-n <n> Size of nvram in Kb (default 64KB)
|
||||
-b <string> IOS debug string
|
||||
-c <name> Configuration file name
|
||||
-d Generate debug information
|
||||
-t Netio message trace
|
||||
-q Suppress informational messages
|
||||
-h Display this help
|
||||
-C Turn off use of host clock
|
||||
-m <n> Megabytes of router memory (default 256MB)
|
||||
-L Disable local console, use remote console
|
||||
-l Enable Layer 1 keepalive messages
|
||||
-u <n> UDP port base for distributed networks
|
||||
-R Ignore options from the IOURC file
|
||||
-U Disable unix: file system location
|
||||
-W Disable watchdog timer
|
||||
-N Ignore the NETMAP file
|
||||
"""
|
||||
|
||||
command = [self._iou_path]
|
||||
if len(self._ethernet_adapters) != 2:
|
||||
command.extend(["-e", str(len(self._ethernet_adapters))])
|
||||
if len(self._serial_adapters) != 2:
|
||||
command.extend(["-s", str(len(self._serial_adapters))])
|
||||
if not self.use_default_iou_values:
|
||||
command.extend(["-n", str(self._nvram)])
|
||||
command.extend(["-m", str(self._ram)])
|
||||
command.extend(["-L"]) # disable local console, use remote console
|
||||
if self._initial_config:
|
||||
command.extend(["-c", self._initial_config])
|
||||
if self._l1_keepalives:
|
||||
self._enable_l1_keepalives(command)
|
||||
command.extend([str(self.application_id)])
|
||||
return command
|
||||
|
||||
def read_iou_stdout(self):
|
||||
"""
|
||||
Reads the standard output of the IOU process.
|
||||
Only use when the process has been stopped or has crashed.
|
||||
"""
|
||||
|
||||
output = ""
|
||||
if self._iou_stdout_file:
|
||||
try:
|
||||
with open(self._iou_stdout_file, errors="replace") as file:
|
||||
output = file.read()
|
||||
except OSError as e:
|
||||
log.warn("could not read {}: {}".format(self._iou_stdout_file, e))
|
||||
return output
|
||||
|
||||
def read_iouyap_stdout(self):
|
||||
"""
|
||||
Reads the standard output of the iouyap process.
|
||||
Only use when the process has been stopped or has crashed.
|
||||
"""
|
||||
|
||||
output = ""
|
||||
if self._iouyap_stdout_file:
|
||||
try:
|
||||
with open(self._iouyap_stdout_file, errors="replace") as file:
|
||||
output = file.read()
|
||||
except OSError as e:
|
||||
log.warn("could not read {}: {}".format(self._iouyap_stdout_file, e))
|
||||
return output
|
||||
|
||||
def _start_ioucon(self):
|
||||
"""
|
||||
Starts ioucon thread (for console connections).
|
||||
"""
|
||||
|
||||
if not self._ioucon_thread:
|
||||
telnet_server = "{}:{}".format(self._console_host, self.console)
|
||||
log.info("Starting ioucon for IOU instance {} to accept Telnet connections on {}".format(self._name, telnet_server))
|
||||
args = argparse.Namespace(appl_id=str(self.application_id), debug=False, escape='^^', telnet_limit=0, telnet_server=telnet_server)
|
||||
self._ioucon_thread_stop_event = threading.Event()
|
||||
self._ioucon_thread = threading.Thread(target=start_ioucon, args=(args, self._ioucon_thread_stop_event))
|
||||
self._ioucon_thread.start()
|
||||
@ -24,18 +24,4 @@ from ..vm_error import VMError
|
||||
|
||||
class VirtualBoxError(VMError):
|
||||
|
||||
def __init__(self, message, original_exception=None):
|
||||
|
||||
Exception.__init__(self, message)
|
||||
if isinstance(message, Exception):
|
||||
message = str(message)
|
||||
self._message = message
|
||||
self._original_exception = original_exception
|
||||
|
||||
def __repr__(self):
|
||||
|
||||
return self._message
|
||||
|
||||
def __str__(self):
|
||||
|
||||
return self._message
|
||||
pass
|
||||
|
||||
@ -17,4 +17,19 @@
|
||||
|
||||
|
||||
class VMError(Exception):
|
||||
pass
|
||||
|
||||
def __init__(self, message, original_exception=None):
|
||||
|
||||
Exception.__init__(self, message)
|
||||
if isinstance(message, Exception):
|
||||
message = str(message)
|
||||
self._message = message
|
||||
self._original_exception = original_exception
|
||||
|
||||
def __repr__(self):
|
||||
|
||||
return self._message
|
||||
|
||||
def __str__(self):
|
||||
|
||||
return self._message
|
||||
|
||||
@ -24,18 +24,4 @@ from ..vm_error import VMError
|
||||
|
||||
class VPCSError(VMError):
|
||||
|
||||
def __init__(self, message, original_exception=None):
|
||||
|
||||
Exception.__init__(self, message)
|
||||
if isinstance(message, Exception):
|
||||
message = str(message)
|
||||
self._message = message
|
||||
self._original_exception = original_exception
|
||||
|
||||
def __repr__(self):
|
||||
|
||||
return self._message
|
||||
|
||||
def __str__(self):
|
||||
|
||||
return self._message
|
||||
pass
|
||||
|
||||
73
tests/modules/iou/test_iou_manager.py
Normal file
73
tests/modules/iou/test_iou_manager.py
Normal file
@ -0,0 +1,73 @@
|
||||
# -*- 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 uuid
|
||||
|
||||
|
||||
from gns3server.modules.iou import IOU
|
||||
from gns3server.modules.iou.iou_error import IOUError
|
||||
from gns3server.modules.project_manager import ProjectManager
|
||||
|
||||
|
||||
def test_get_application_id(loop, project, port_manager):
|
||||
# Cleanup the IOU object
|
||||
IOU._instance = None
|
||||
iou = IOU.instance()
|
||||
iou.port_manager = port_manager
|
||||
vm1_id = str(uuid.uuid4())
|
||||
vm2_id = str(uuid.uuid4())
|
||||
vm3_id = str(uuid.uuid4())
|
||||
loop.run_until_complete(iou.create_vm("PC 1", project.id, vm1_id))
|
||||
loop.run_until_complete(iou.create_vm("PC 2", project.id, vm2_id))
|
||||
assert iou.get_application_id(vm1_id) == 1
|
||||
assert iou.get_application_id(vm1_id) == 1
|
||||
assert iou.get_application_id(vm2_id) == 2
|
||||
loop.run_until_complete(iou.delete_vm(vm1_id))
|
||||
loop.run_until_complete(iou.create_vm("PC 3", project.id, vm3_id))
|
||||
assert iou.get_application_id(vm3_id) == 1
|
||||
|
||||
|
||||
def test_get_application_id_multiple_project(loop, port_manager):
|
||||
# Cleanup the IOU object
|
||||
IOU._instance = None
|
||||
iou = IOU.instance()
|
||||
iou.port_manager = port_manager
|
||||
vm1_id = str(uuid.uuid4())
|
||||
vm2_id = str(uuid.uuid4())
|
||||
vm3_id = str(uuid.uuid4())
|
||||
project1 = ProjectManager.instance().create_project()
|
||||
project2 = ProjectManager.instance().create_project()
|
||||
loop.run_until_complete(iou.create_vm("PC 1", project1.id, vm1_id))
|
||||
loop.run_until_complete(iou.create_vm("PC 2", project1.id, vm2_id))
|
||||
loop.run_until_complete(iou.create_vm("PC 2", project2.id, vm3_id))
|
||||
assert iou.get_application_id(vm1_id) == 1
|
||||
assert iou.get_application_id(vm2_id) == 2
|
||||
assert iou.get_application_id(vm3_id) == 3
|
||||
|
||||
|
||||
def test_get_application_id_no_id_available(loop, project, port_manager):
|
||||
# Cleanup the IOU object
|
||||
IOU._instance = None
|
||||
iou = IOU.instance()
|
||||
iou.port_manager = port_manager
|
||||
with pytest.raises(IOUError):
|
||||
for i in range(1, 513):
|
||||
vm_id = str(uuid.uuid4())
|
||||
loop.run_until_complete(iou.create_vm("PC {}".format(i), project.id, vm_id))
|
||||
assert iou.get_application_id(vm_id) == i
|
||||
164
tests/modules/iou/test_iou_vm.py
Normal file
164
tests/modules/iou/test_iou_vm.py
Normal file
@ -0,0 +1,164 @@
|
||||
# -*- 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.iou.iou_vm import IOUVM
|
||||
from gns3server.modules.iou.iou_error import IOUError
|
||||
from gns3server.modules.iou import IOU
|
||||
|
||||
|
||||
@pytest.fixture(scope="module")
|
||||
def manager(port_manager):
|
||||
m = IOU.instance()
|
||||
m.port_manager = port_manager
|
||||
return m
|
||||
|
||||
|
||||
@pytest.fixture(scope="function")
|
||||
def vm(project, manager, tmpdir, fake_iou_bin):
|
||||
fake_file = str(tmpdir / "iourc")
|
||||
with open(fake_file, "w+") as f:
|
||||
f.write("1")
|
||||
|
||||
vm = IOUVM("test", "00010203-0405-0607-0809-0a0b0c0d0e0f", project, manager)
|
||||
config = manager.config.get_section_config("IOU")
|
||||
config["iouyap_path"] = fake_file
|
||||
manager.config.set_section_config("IOU", config)
|
||||
|
||||
vm.iou_path = fake_iou_bin
|
||||
vm.iourc = fake_file
|
||||
return vm
|
||||
|
||||
|
||||
@pytest.fixture
|
||||
def fake_iou_bin(tmpdir):
|
||||
"""Create a fake IOU image on disk"""
|
||||
|
||||
path = str(tmpdir / "iou.bin")
|
||||
with open(path, "w+") as f:
|
||||
f.write('\x7fELF\x01\x01\x01')
|
||||
os.chmod(path, stat.S_IREAD | stat.S_IEXEC)
|
||||
return path
|
||||
|
||||
|
||||
def test_vm(project, manager):
|
||||
vm = IOUVM("test", "00010203-0405-0607-0809-0a0b0c0d0e0f", project, manager)
|
||||
assert vm.name == "test"
|
||||
assert vm.id == "00010203-0405-0607-0809-0a0b0c0d0e0f"
|
||||
|
||||
|
||||
@patch("gns3server.config.Config.get_section_config", return_value={"iouyap_path": "/bin/test_fake"})
|
||||
def test_vm_invalid_iouyap_path(project, manager, loop):
|
||||
with pytest.raises(IOUError):
|
||||
vm = IOUVM("test", "00010203-0405-0607-0809-0a0b0c0d0e0e", project, manager)
|
||||
loop.run_until_complete(asyncio.async(vm.start()))
|
||||
|
||||
|
||||
def test_start(loop, vm):
|
||||
with asyncio_patch("gns3server.modules.iou.iou_vm.IOUVM._check_requirements", return_value=True):
|
||||
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("gns3server.modules.iou.iou_vm.IOUVM._check_requirements", return_value=True):
|
||||
with asyncio_patch("asyncio.create_subprocess_exec", return_value=process):
|
||||
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, fake_iou_bin):
|
||||
process = MagicMock()
|
||||
|
||||
# Wait process kill success
|
||||
future = asyncio.Future()
|
||||
future.set_result(True)
|
||||
process.wait.return_value = future
|
||||
|
||||
with asyncio_patch("gns3server.modules.iou.iou_vm.IOUVM._check_requirements", return_value=True):
|
||||
with asyncio_patch("asyncio.create_subprocess_exec", return_value=process):
|
||||
loop.run_until_complete(asyncio.async(vm.start()))
|
||||
assert vm.is_running()
|
||||
loop.run_until_complete(asyncio.async(vm.reload()))
|
||||
assert vm.is_running() is True
|
||||
process.terminate.assert_called_with()
|
||||
|
||||
|
||||
def test_close(vm, port_manager):
|
||||
with asyncio_patch("gns3server.modules.iou.iou_vm.IOUVM._check_requirements", return_value=True):
|
||||
with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()):
|
||||
vm.start()
|
||||
port = vm.console
|
||||
vm.close()
|
||||
# Raise an exception if the port is not free
|
||||
port_manager.reserve_console_port(port)
|
||||
assert vm.is_running() is False
|
||||
|
||||
|
||||
def test_iou_path(vm, fake_iou_bin):
|
||||
|
||||
vm.iou_path = fake_iou_bin
|
||||
assert vm.iou_path == fake_iou_bin
|
||||
|
||||
|
||||
def test_path_invalid_bin(vm, tmpdir):
|
||||
|
||||
iou_path = str(tmpdir / "test.bin")
|
||||
with pytest.raises(IOUError):
|
||||
vm.iou_path = iou_path
|
||||
|
||||
with open(iou_path, "w+") as f:
|
||||
f.write("BUG")
|
||||
|
||||
with pytest.raises(IOUError):
|
||||
vm.iou_path = iou_path
|
||||
|
||||
|
||||
def test_create_netmap_config(vm):
|
||||
|
||||
vm._create_netmap_config()
|
||||
netmap_path = os.path.join(vm.working_dir, "NETMAP")
|
||||
|
||||
with open(netmap_path) as f:
|
||||
content = f.read()
|
||||
|
||||
assert "513:0/0 1:0/0" in content
|
||||
assert "513:15/3 1:15/3" in content
|
||||
|
||||
|
||||
def test_build_command(vm):
|
||||
|
||||
assert vm._build_command() == [vm.iou_path, '-L', str(vm.application_id)]
|
||||
Loading…
Reference in New Issue
Block a user