mirror of
https://github.com/GNS3/gns3-server
synced 2024-12-11 09:38:08 +00:00
460 lines
15 KiB
Python
460 lines
15 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2020 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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import pytest
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import pytest_asyncio
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import asyncio
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import os
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import stat
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import socket
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import uuid
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import shutil
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from tests.utils import asyncio_patch, AsyncioMagicMock
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from unittest.mock import MagicMock
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from gns3server.compute.iou.iou_vm import IOUVM
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from gns3server.compute.iou.iou_error import IOUError
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from gns3server.compute.iou import IOU
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@pytest_asyncio.fixture
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async def manager(port_manager):
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m = IOU.instance()
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m.port_manager = port_manager
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return m
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@pytest_asyncio.fixture(scope="function")
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async def vm(compute_project, manager, config, tmpdir, fake_iou_bin, iourc_file):
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vm = IOUVM("test", str(uuid.uuid4()), compute_project, manager, application_id=1)
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config.settings.IOU.iourc_path = iourc_file
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vm.path = "iou.bin"
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vm._loader = []
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return vm
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@pytest.fixture
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def iourc_file(tmpdir):
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path = str(tmpdir / "iourc")
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with open(path, "w+") as f:
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hostname = socket.gethostname()
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f.write("[license]\n{} = aaaaaaaaaaaaaaaa;".format(hostname))
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return path
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@pytest.fixture
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def fake_iou_bin(images_dir):
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"""Create a fake IOU image on disk"""
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path = os.path.join(images_dir, "iou.bin")
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with open(path, "w+") as f:
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f.write('\x7fELF\x01\x01\x01')
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os.chmod(path, stat.S_IREAD | stat.S_IEXEC)
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return path
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def test_vm(compute_project, manager):
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vm = IOUVM("test", "00010203-0405-0607-0809-0a0b0c0d0e0f", compute_project, manager)
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assert vm.name == "test"
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assert vm.id == "00010203-0405-0607-0809-0a0b0c0d0e0f"
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def test_vm_startup_config_content(compute_project, manager):
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vm = IOUVM("test", "00010203-0405-0607-0808-0a0b0c0d0e0f", compute_project, manager, application_id=1)
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vm.startup_config_content = "hostname %h"
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assert vm.name == "test"
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assert vm.startup_config_content == "hostname test"
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assert vm.id == "00010203-0405-0607-0808-0a0b0c0d0e0f"
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@pytest.mark.asyncio
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async def test_start(vm):
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mock_process = MagicMock()
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vm._check_requirements = AsyncioMagicMock(return_value=True)
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vm._check_iou_licence = AsyncioMagicMock(return_value=True)
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vm._start_ubridge = AsyncioMagicMock(return_value=True)
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vm._ubridge_send = AsyncioMagicMock()
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with asyncio_patch("asyncio.create_subprocess_exec", return_value=mock_process) as mock_exec:
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mock_process.returncode = None
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await vm.start()
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assert vm.is_running()
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assert vm.command_line == ' '.join(mock_exec.call_args[0])
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assert vm._check_requirements.called
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assert vm._check_iou_licence.called
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assert vm._start_ubridge.called
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vm._ubridge_send.assert_any_call("iol_bridge delete IOL-BRIDGE-513")
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vm._ubridge_send.assert_any_call("iol_bridge create IOL-BRIDGE-513 513")
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vm._ubridge_send.assert_any_call("iol_bridge start IOL-BRIDGE-513")
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@pytest.mark.asyncio
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async def test_start_with_iourc(vm, tmpdir, config):
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fake_file = str(tmpdir / "iourc")
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with open(fake_file, "w+") as f:
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f.write("1")
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mock_process = MagicMock()
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vm._check_requirements = AsyncioMagicMock(return_value=True)
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vm._check_iou_licence = AsyncioMagicMock(return_value=True)
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vm._start_ioucon = AsyncioMagicMock(return_value=True)
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vm._start_ubridge = AsyncioMagicMock(return_value=True)
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vm._ubridge_send = AsyncioMagicMock()
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config.settings.IOU.iourc_path = fake_file
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with asyncio_patch("asyncio.create_subprocess_exec", return_value=mock_process) as exec_mock:
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mock_process.returncode = None
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await vm.start()
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assert vm.is_running()
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arsgs, kwargs = exec_mock.call_args
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assert kwargs["env"]["IOURC"] == fake_file
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@pytest.mark.asyncio
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async def test_rename_nvram_file(vm):
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"""
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It should rename the nvram file to the correct name before launching the VM
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"""
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with open(os.path.join(vm.working_dir, "nvram_0000{}".format(vm.application_id + 1)), 'w+') as f:
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f.write("1")
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with open(os.path.join(vm.working_dir, "vlan.dat-0000{}".format(vm.application_id + 1)), 'w+') as f:
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f.write("1")
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vm._rename_nvram_file()
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assert os.path.exists(os.path.join(vm.working_dir, "nvram_0000{}".format(vm.application_id)))
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assert os.path.exists(os.path.join(vm.working_dir, "vlan.dat-0000{}".format(vm.application_id)))
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@pytest.mark.asyncio
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async def test_stop(vm):
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process = MagicMock()
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vm._check_requirements = AsyncioMagicMock(return_value=True)
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vm._check_iou_licence = AsyncioMagicMock(return_value=True)
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vm._start_ioucon = AsyncioMagicMock(return_value=True)
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vm._start_ubridge = AsyncioMagicMock(return_value=True)
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vm._ubridge_send = AsyncioMagicMock()
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# Wait process kill success
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future = asyncio.Future()
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future.set_result(True)
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process.wait.return_value = future
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with asyncio_patch("asyncio.create_subprocess_exec", return_value=process):
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with asyncio_patch("gns3server.utils.asyncio.wait_for_process_termination"):
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await vm.start()
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process.returncode = None
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assert vm.is_running()
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await vm.stop()
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assert vm.is_running() is False
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process.terminate.assert_called_with()
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@pytest.mark.asyncio
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async def test_reload(vm, fake_iou_bin):
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process = MagicMock()
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vm._check_requirements = AsyncioMagicMock(return_value=True)
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vm._check_iou_licence = AsyncioMagicMock(return_value=True)
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vm._start_ioucon = AsyncioMagicMock(return_value=True)
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vm._start_ubridge = AsyncioMagicMock(return_value=True)
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vm._ubridge_send = AsyncioMagicMock()
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# Wait process kill success
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future = asyncio.Future()
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future.set_result(True)
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process.wait.return_value = future
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process.returncode = None
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with asyncio_patch("asyncio.create_subprocess_exec", return_value=process):
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with asyncio_patch("gns3server.utils.asyncio.wait_for_process_termination"):
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await vm.start()
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assert vm.is_running()
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await vm.reload()
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assert vm.is_running() is True
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process.terminate.assert_called_with()
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@pytest.mark.asyncio
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async def test_close(vm, port_manager):
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vm._start_ubridge = AsyncioMagicMock(return_value=True)
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vm._ubridge_send = AsyncioMagicMock()
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with asyncio_patch("gns3server.compute.iou.iou_vm.IOUVM._check_requirements", return_value=True):
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with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()):
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await vm.start()
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port = vm.console
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await vm.close()
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# Raise an exception if the port is not free
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port_manager.reserve_tcp_port(port, vm.project)
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assert vm.is_running() is False
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def test_path(vm, fake_iou_bin, config):
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vm.path = fake_iou_bin
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assert vm.path == fake_iou_bin
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def test_path_relative(vm, fake_iou_bin):
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vm.path = "iou.bin"
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assert vm.path == fake_iou_bin
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@pytest.mark.asyncio
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async def test_path_invalid_bin(vm, tmpdir, config):
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config.settings.Server.images_path = str(tmpdir)
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path = str(tmpdir / "test.bin")
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with open(path, "w+") as f:
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f.write("BUG")
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with pytest.raises(IOUError):
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vm.path = path
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await vm._check_requirements()
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def test_create_netmap_config(vm):
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vm._create_netmap_config()
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netmap_path = os.path.join(vm.working_dir, "NETMAP")
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with open(netmap_path) as f:
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content = f.read()
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assert "513:0/0 1:0/0" in content
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assert "513:15/3 1:15/3" in content
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@pytest.mark.asyncio
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async def test_build_command(vm):
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assert await vm._build_command() == [vm.path, str(vm.application_id)]
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def test_get_startup_config(vm):
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content = "service timestamps debug datetime msec\nservice timestamps log datetime msec\nno service password-encryption"
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vm.startup_config = content
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assert vm.startup_config == content
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def test_update_startup_config(vm):
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content = "service timestamps debug datetime msec\nservice timestamps log datetime msec\nno service password-encryption"
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vm.startup_config_content = content
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filepath = os.path.join(vm.working_dir, "startup-config.cfg")
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assert os.path.exists(filepath)
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with open(filepath) as f:
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assert f.read() == content
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def test_update_startup_config_empty(vm):
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content = "service timestamps debug datetime msec\nservice timestamps log datetime msec\nno service password-encryption"
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vm.startup_config_content = content
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filepath = os.path.join(vm.working_dir, "startup-config.cfg")
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assert os.path.exists(filepath)
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with open(filepath) as f:
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assert f.read() == content
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vm.startup_config_content = ""
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with open(filepath) as f:
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assert f.read() == content
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def test_update_startup_config_content_hostname(vm):
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content = "hostname %h\n"
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vm.name = "pc1"
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vm.startup_config_content = content
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with open(vm.startup_config_file) as f:
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assert f.read() == "hostname pc1\n"
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def test_change_name(vm):
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path = os.path.join(vm.working_dir, "startup-config.cfg")
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vm.name = "world"
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with open(path, 'w+') as f:
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f.write("hostname world")
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vm.name = "hello"
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assert vm.name == "hello"
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with open(path) as f:
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assert f.read() == "hostname hello"
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# support hostname not sync
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vm.name = "alpha"
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with open(path, 'w+') as f:
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f.write("no service password-encryption\nhostname beta\nno ip icmp rate-limit unreachable")
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vm.name = "charlie"
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assert vm.name == "charlie"
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with open(path) as f:
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assert f.read() == "no service password-encryption\nhostname charlie\nno ip icmp rate-limit unreachable"
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@pytest.mark.asyncio
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async def test_library_check(vm):
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with asyncio_patch("gns3server.utils.asyncio.subprocess_check_output", return_value=""):
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await vm._library_check()
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with asyncio_patch("gns3server.utils.asyncio.subprocess_check_output", return_value="libssl => not found"):
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with pytest.raises(IOUError):
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await vm._library_check()
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@pytest.mark.asyncio
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async def test_enable_l1_keepalives(vm):
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with asyncio_patch("gns3server.utils.asyncio.subprocess_check_output", return_value="***************************************************************\n\n-l Enable Layer 1 keepalive messages\n-u <n> UDP port base for distributed networks\n"):
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command = ["test"]
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await vm._enable_l1_keepalives(command)
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assert command == ["test", "-l"]
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with asyncio_patch("gns3server.utils.asyncio.subprocess_check_output", return_value="***************************************************************\n\n-u <n> UDP port base for distributed networks\n"):
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command = ["test"]
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with pytest.raises(IOUError):
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await vm._enable_l1_keepalives(command)
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assert command == ["test"]
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@pytest.mark.asyncio
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async def test_start_capture(vm, tmpdir, manager, free_console_port):
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output_file = str(tmpdir / "test.pcap")
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nio = manager.create_nio({"type": "nio_udp", "lport": free_console_port, "rport": free_console_port, "rhost": "127.0.0.1"})
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await vm.adapter_add_nio_binding(0, 0, nio)
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await vm.start_capture(0, 0, output_file)
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assert vm._adapters[0].get_nio(0).capturing
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@pytest.mark.asyncio
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async def test_stop_capture(vm, tmpdir, manager, free_console_port):
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output_file = str(tmpdir / "test.pcap")
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nio = manager.create_nio({"type": "nio_udp", "lport": free_console_port, "rport": free_console_port, "rhost": "127.0.0.1"})
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await vm.adapter_add_nio_binding(0, 0, nio)
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await vm.start_capture(0, 0, output_file)
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assert vm._adapters[0].get_nio(0).capturing
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await vm.stop_capture(0, 0)
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assert vm._adapters[0].get_nio(0).capturing is False
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def test_get_legacy_vm_workdir():
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assert IOU.get_legacy_vm_workdir(42, "bla") == "iou/device-42"
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@pytest.mark.asyncio
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async def test_invalid_iou_file(vm, iourc_file):
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hostname = socket.gethostname()
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await vm._check_iou_licence()
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# Missing ;
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with pytest.raises(IOUError):
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with open(iourc_file, "w+") as f:
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f.write("[license]\n{} = aaaaaaaaaaaaaaaa".format(hostname))
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await vm._check_iou_licence()
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# Key too short
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with pytest.raises(IOUError):
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with open(iourc_file, "w+") as f:
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f.write("[license]\n{} = aaaaaaaaaaaaaa;".format(hostname))
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await vm._check_iou_licence()
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# Invalid hostname
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with pytest.raises(IOUError):
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with open(iourc_file, "w+") as f:
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f.write("[license]\nbla = aaaaaaaaaaaaaa;")
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await vm._check_iou_licence()
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# Missing licence section
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with pytest.raises(IOUError):
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with open(iourc_file, "w+") as f:
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f.write("[licensetest]\n{} = aaaaaaaaaaaaaaaa;")
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await vm._check_iou_licence()
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# Broken config file
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with pytest.raises(IOUError):
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with open(iourc_file, "w+") as f:
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f.write("[")
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await vm._check_iou_licence()
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# Missing file
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with pytest.raises(IOUError):
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os.remove(iourc_file)
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await vm._check_iou_licence()
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def test_iourc_content(vm):
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vm.iourc_content = "test"
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with open(os.path.join(vm.temporary_directory, "iourc")) as f:
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assert f.read() == "test"
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def test_iourc_content_fix_carriage_return(vm):
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vm.iourc_content = "test\r\n12"
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with open(os.path.join(vm.temporary_directory, "iourc")) as f:
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assert f.read() == "test\n12"
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def test_extract_configs(vm):
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assert vm.extract_configs() == (None, None)
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with open(os.path.join(vm.working_dir, "nvram_00001"), "w+") as f:
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f.write("CORRUPTED")
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assert vm.extract_configs() == (None, None)
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with open(os.path.join(vm.working_dir, "nvram_00001"), "w+") as f:
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f.write("CORRUPTED")
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assert vm.extract_configs() == (None, None)
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shutil.copy("tests/resources/nvram_iou", os.path.join(vm.working_dir, "nvram_00001"))
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startup_config, private_config = vm.extract_configs()
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assert len(startup_config) == 1392
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assert len(private_config) == 0
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def test_application_id(compute_project, manager):
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"""
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Checks if uses local manager to get application_id when not set
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"""
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vm = IOUVM("test", str(uuid.uuid4()), compute_project, manager, application_id=1)
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assert vm.application_id == 1
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vm.application_id = 3
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assert vm.application_id == 3
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