mirror of
https://github.com/GNS3/gns3-server.git
synced 2026-10-12 13:35:31 +03:00
1e0d123f4b
Resolve conflicts against the upstream wave (PRs #2952-#2965, incl. the typed-response/schema hardening and the drop of Python 3.10): - controller/node.py: keep upstream's _transitioning/_confirm_status lifecycle guard; the kernel-anchor link wiring (node_started) runs after the transition completes. - controller/link.py: keep upstream's add_node rollback (release_ports on create failure) and delete via release_ports; release_ports now resolves ports live (same staleness reason as _bind_members) and discards the node link unconditionally. - schemas/controller/links.py: extend LinkFilterType with the eight kernel-datapath filter types and LinkFilterParameter.type with "str" so the newly typed /available_filters response validates; Link.filters stays a free-form dict — the vocabulary is capability-gated per link and validated by the controller (409), not by a strict request schema. - schemas/controller/topology.py: drop the type: ignore made redundant by the dict filters field. - tests: route-level filter validation now expects the controller's 409 (unknown types, out-of-range values); packet_loss correlation is a valid kernel parameter (positive test added); OpenAPI assertions match the free-form filters property.
598 lines
19 KiB
Python
598 lines
19 KiB
Python
#!/usr/bin/env python
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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 asyncio
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from unittest.mock import MagicMock
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import pytest
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import pytest_asyncio
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from gns3server.controller.controller_error import ControllerError
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from gns3server.controller.link import Link
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from gns3server.controller.node import Node
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from gns3server.controller.ports.ethernet_port import EthernetPort
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from gns3server.controller.ports.serial_port import SerialPort
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from tests.utils import AsyncioBytesIO, AsyncioMagicMock
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@pytest_asyncio.fixture
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async def link(project, compute):
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node1 = Node(project, compute, "node1", node_type="qemu")
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node1._ports = [EthernetPort("E0", 0, 0, 4)]
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node2 = Node(project, compute, "node2", node_type="qemu")
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node2._ports = [EthernetPort("E0", 0, 1, 3)]
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link = Link(project)
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link.create = AsyncioMagicMock()
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await link.add_node(node1, 0, 4)
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await link.add_node(node2, 1, 3)
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return link
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def test_eq(project, link):
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assert link == Link(project, link_id=link.id)
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assert link != "a"
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assert link != Link(project)
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@pytest.mark.asyncio
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async def test_add_node(project, compute):
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node1 = Node(project, compute, "node1", node_type="qemu")
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node1._ports = [EthernetPort("E0", 0, 0, 4)]
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link = Link(project)
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link.create = AsyncioMagicMock()
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link._project.emit_notification = MagicMock()
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project.dump = AsyncioMagicMock()
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await link.add_node(node1, 0, 4)
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assert link._nodes == [
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{
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"node": node1,
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"port": node1._ports[0],
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"adapter_number": 0,
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"port_number": 4,
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"label": {
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"text": "0/4",
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"style": "font-family: TypeWriter;font-size: 10.0;font-weight: bold;fill: #000000;fill-opacity: 1.0;",
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},
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}
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]
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assert project.dump.called
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assert not link._project.emit_notification.called
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assert not link.create.called
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# We call link.created only when both side are created
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node2 = Node(project, compute, "node2", node_type="qemu")
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node2._ports = [EthernetPort("E0", 0, 0, 4)]
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await link.add_node(node2, 0, 4)
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assert link.create.called
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link._project.emit_notification.assert_called_with("link.created", link.asdict())
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assert link in node2.links
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@pytest.mark.asyncio
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async def test_add_node_already_connected(project, compute):
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"""
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Raise an error if we try to use an already connected port
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"""
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project.dump = AsyncioMagicMock()
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node1 = Node(project, compute, "node1", node_type="qemu")
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node1._ports = [EthernetPort("E0", 0, 0, 4)]
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link = Link(project)
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link.create = AsyncioMagicMock()
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link._project.emit_notification = MagicMock()
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await link.add_node(node1, 0, 4)
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node2 = Node(project, compute, "node2", node_type="qemu")
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node2._ports = [EthernetPort("E0", 0, 0, 4)]
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await link.add_node(node2, 0, 4)
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assert link.create.called
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link2 = Link(project)
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link2.create = AsyncioMagicMock()
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with pytest.raises(ControllerError):
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await link2.add_node(node1, 0, 4)
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@pytest.mark.asyncio
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async def test_add_node_already_connected_after_node_update(project, compute):
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"""
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A node update (any compute node.updated notification) rebuilds its port
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objects; the port must still count as used afterwards, or the duplicate
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link reaches the compute and fails on the already-bound NIO instead of
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being refused here.
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"""
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project.dump = AsyncioMagicMock()
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node1 = Node(project, compute, "node1", node_type="qemu")
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node2 = Node(project, compute, "node2", node_type="qemu")
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link = Link(project)
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link.create = AsyncioMagicMock()
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link.node_updated = AsyncioMagicMock()
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link._project.emit_notification = MagicMock()
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await link.add_node(node1, 0, 0)
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await link.add_node(node2, 0, 0)
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await node1.parse_node_response({"status": "started"})
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link2 = Link(project)
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link2.create = AsyncioMagicMock()
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with pytest.raises(ControllerError, match="already used"):
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await link2.add_node(node1, 0, 0)
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@pytest.mark.asyncio
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async def test_link_delete_after_node_update_releases_port(project, compute):
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"""
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Link.delete drops the port's link reference through the port object it
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stored at add_node time; a node update since then rebuilt the port list,
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so that stored object is stale. The delete must release the *live* port,
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or the next link on it is refused with "Port is already used".
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"""
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project.dump = AsyncioMagicMock()
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node1 = Node(project, compute, "node1", node_type="qemu")
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node2 = Node(project, compute, "node2", node_type="qemu")
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link = Link(project)
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link.create = AsyncioMagicMock()
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link.node_updated = AsyncioMagicMock()
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link._project.emit_notification = MagicMock()
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await link.add_node(node1, 0, 0)
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await link.add_node(node2, 0, 0)
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# a node update (e.g. the status change of a start) rebuilds the ports
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await node1.parse_node_response({"status": "started"})
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await link.delete()
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link2 = Link(project)
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link2.create = AsyncioMagicMock()
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await link2.add_node(node1, 0, 0) # must not raise "Port is already used"
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@pytest.mark.asyncio
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async def test_add_node_cloud(project, compute):
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node1 = Node(project, compute, "node1", node_type="qemu")
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node1._ports = [EthernetPort("E0", 0, 0, 4)]
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node2 = Node(project, compute, "node2", node_type="cloud")
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node2._ports = [EthernetPort("E0", 0, 0, 4)]
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link = Link(project)
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link.create = AsyncioMagicMock()
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link._project.emit_notification = MagicMock()
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await link.add_node(node1, 0, 4)
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await link.add_node(node2, 0, 4)
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@pytest.mark.asyncio
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async def test_add_node_cloud_to_cloud(project, compute):
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"""
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Cloud to cloud connection is not allowed
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"""
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node1 = Node(project, compute, "node1", node_type="cloud")
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node1._ports = [EthernetPort("E0", 0, 0, 4)]
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node2 = Node(project, compute, "node2", node_type="cloud")
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node2._ports = [EthernetPort("E0", 0, 0, 4)]
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link = Link(project)
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link.create = AsyncioMagicMock()
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link._project.emit_notification = MagicMock()
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await link.add_node(node1, 0, 4)
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with pytest.raises(ControllerError):
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await link.add_node(node2, 0, 4)
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@pytest.mark.asyncio
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async def test_add_node_same_node(project, compute):
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"""
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Connection to the same node is not allowed
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"""
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node1 = Node(project, compute, "node1", node_type="qemu")
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node1._ports = [EthernetPort("E0", 0, 0, 4), EthernetPort("E1", 0, 0, 5)]
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link = Link(project)
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link.create = AsyncioMagicMock()
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link._project.emit_notification = MagicMock()
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await link.add_node(node1, 0, 4)
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with pytest.raises(ControllerError):
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await link.add_node(node1, 0, 5)
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@pytest.mark.asyncio
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async def test_add_node_serial_to_ethernet(project, compute):
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"""
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Serial to ethernet connection is not allowed
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"""
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node1 = Node(project, compute, "node1", node_type="qemu")
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node1._ports = [EthernetPort("E0", 0, 0, 4)]
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node2 = Node(project, compute, "node2", node_type="qemu")
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node2._ports = [SerialPort("E0", 0, 0, 4)]
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link = Link(project)
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link.create = AsyncioMagicMock()
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link._project.emit_notification = MagicMock()
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await link.add_node(node1, 0, 4)
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with pytest.raises(ControllerError):
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await link.add_node(node2, 0, 4)
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@pytest.mark.asyncio
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async def test_json(project, compute):
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node1 = Node(project, compute, "node1", node_type="qemu")
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node1._ports = [EthernetPort("E0", 0, 0, 4)]
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node2 = Node(project, compute, "node2", node_type="qemu")
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node2._ports = [EthernetPort("E0", 0, 1, 3)]
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link = Link(project)
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link.create = AsyncioMagicMock()
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await link.add_node(node1, 0, 4)
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await link.add_node(node2, 1, 3)
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assert link.asdict() == {
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"link_id": link.id,
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"project_id": project.id,
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"nodes": [
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{
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"node_id": node1.id,
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"adapter_number": 0,
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"port_number": 4,
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"label": {
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"text": "0/4",
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"style": "font-family: TypeWriter;font-size: 10.0;font-weight: bold;fill: #000000;fill-opacity: 1.0;",
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},
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},
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{
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"node_id": node2.id,
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"adapter_number": 1,
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"port_number": 3,
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"label": {
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"text": "1/3",
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"style": "font-family: TypeWriter;font-size: 10.0;font-weight: bold;fill: #000000;fill-opacity: 1.0;",
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},
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},
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],
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"filters": {},
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"markers": {},
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"show_filters_icon": True,
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"link_style": {},
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"suspend": False,
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"wireshark": False,
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"link_type": "ethernet",
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"kernel_datapath": False,
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"capturing": False,
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"capture_file_name": None,
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"capture_file_path": None,
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"capture_compute_id": None,
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}
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assert link.asdict(topology_dump=True) == {
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"link_id": link.id,
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"nodes": [
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{
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"node_id": node1.id,
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"adapter_number": 0,
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"port_number": 4,
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"label": {
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"text": "0/4",
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"style": "font-family: TypeWriter;font-size: 10.0;font-weight: bold;fill: #000000;fill-opacity: 1.0;",
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},
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},
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{
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"node_id": node2.id,
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"adapter_number": 1,
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"port_number": 3,
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"label": {
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"text": "1/3",
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"style": "font-family: TypeWriter;font-size: 10.0;font-weight: bold;fill: #000000;fill-opacity: 1.0;",
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},
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},
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],
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"link_style": {},
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"filters": {},
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"markers": {},
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"show_filters_icon": True,
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"suspend": False,
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}
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@pytest.mark.asyncio
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async def test_json_serial_link(project, compute):
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node1 = Node(project, compute, "node1", node_type="qemu")
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node1._ports = [SerialPort("S0", 0, 0, 4)]
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node2 = Node(project, compute, "node2", node_type="qemu")
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node2._ports = [SerialPort("S0", 0, 1, 3)]
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link = Link(project)
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link.create = AsyncioMagicMock()
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await link.add_node(node1, 0, 4)
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await link.add_node(node2, 1, 3)
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assert link.asdict()["link_type"] == "serial"
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@pytest.mark.asyncio
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async def test_default_capture_file_name(project, compute):
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node1 = Node(project, compute, "Hello@", node_type="qemu")
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node1._ports = [EthernetPort("E0", 0, 0, 4)]
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node2 = Node(project, compute, "w0.rld", node_type="qemu")
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node2._ports = [EthernetPort("E0", 0, 1, 3)]
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link = Link(project)
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link.create = AsyncioMagicMock()
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await link.add_node(node1, 0, 4)
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await link.add_node(node2, 1, 3)
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assert link.default_capture_file_name() == "Hello_0-4_to_w0rld_1-3.pcap"
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@pytest.mark.asyncio
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async def test_start_capture(link):
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async def fake_reader():
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return AsyncioBytesIO()
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link.read_pcap_from_source = fake_reader
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link._project.emit_notification = MagicMock()
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await link.start_capture(capture_file_name="test.pcap")
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assert link._capturing
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assert link._capture_file_name == "test.pcap"
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link._project.emit_notification.assert_called_with("link.updated", link.asdict())
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@pytest.mark.asyncio
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async def test_stop_capture(link):
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link._capturing = True
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link._project.emit_notification = MagicMock()
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await link.stop_capture()
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assert link._capturing is False
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link._project.emit_notification.assert_called_with("link.updated", link.asdict())
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@pytest.mark.asyncio
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async def test_delete(project, compute):
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node1 = Node(project, compute, "node1", node_type="qemu")
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node1._ports = [EthernetPort("E0", 0, 0, 4)]
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link = Link(project)
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link.create = AsyncioMagicMock()
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link._project.emit_notification = MagicMock()
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project.dump = AsyncioMagicMock()
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await link.add_node(node1, 0, 4)
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node2 = Node(project, compute, "node2", node_type="qemu")
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node2._ports = [EthernetPort("E0", 0, 0, 4)]
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await link.add_node(node2, 0, 4)
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assert link in node2.links
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await link.delete()
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assert link not in node2.links
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@pytest.mark.asyncio
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async def test_update_filters(project, compute):
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node1 = Node(project, compute, "node1", node_type="qemu")
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node1._ports = [EthernetPort("E0", 0, 0, 4)]
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link = Link(project)
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link.create = AsyncioMagicMock()
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link._project.emit_notification = MagicMock()
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project.dump = AsyncioMagicMock()
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await link.add_node(node1, 0, 4)
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node2 = Node(project, compute, "node2", node_type="qemu")
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node2._ports = [EthernetPort("E0", 0, 0, 4)]
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await link.add_node(node2, 0, 4)
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link.update = AsyncioMagicMock()
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assert link._created
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await link.update_filters({"packet_loss": [10], "delay": [50, 10], "frequency_drop": [0], "bpf": [" \n "]})
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assert link.filters == {"packet_loss": [10], "delay": [50, 10]}
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assert link.update.called
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@pytest.mark.asyncio
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async def test_update_filters_unchanged_is_noop(project, compute):
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"""Re-sending an identical filters dict skips the datapath reconcile."""
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node1 = Node(project, compute, "node1", node_type="qemu")
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node1._ports = [EthernetPort("E0", 0, 0, 4)]
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node2 = Node(project, compute, "node2", node_type="qemu")
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node2._ports = [EthernetPort("E0", 0, 0, 4)]
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link = Link(project)
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link.create = AsyncioMagicMock()
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link._project.emit_notification = MagicMock()
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project.dump = AsyncioMagicMock()
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await link.add_node(node1, 0, 4)
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await link.add_node(node2, 0, 4)
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link.update = AsyncioMagicMock()
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await link.update_filters({"packet_loss": [10]})
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assert link.update.call_count == 1
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await link.update_filters({"packet_loss": [10]})
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assert link.update.call_count == 1
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@pytest.mark.asyncio
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async def test_update_filters_unchanged_window_drop_still_reconciles(project, compute):
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"""
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window_drop's outage schedule is measured from the apply, so an
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unchanged re-send must re-arm it instead of being skipped as a no-op.
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"""
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node1 = Node(project, compute, "node1", node_type="qemu")
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node1._ports = [EthernetPort("E0", 0, 0, 4)]
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node2 = Node(project, compute, "node2", node_type="qemu")
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node2._ports = [EthernetPort("E0", 0, 0, 4)]
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link = Link(project)
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link.create = AsyncioMagicMock()
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link._project.emit_notification = MagicMock()
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project.dump = AsyncioMagicMock()
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await link.add_node(node1, 0, 4)
|
|
await link.add_node(node2, 0, 4)
|
|
# window_drop is kernel-only: this synthetic link has no real wiring,
|
|
# so declare the kernel datapath the way _link_data does at runtime
|
|
link._link_data = [{"type": "nio_bridge"}]
|
|
|
|
link.update = AsyncioMagicMock()
|
|
await link.update_filters({"window_drop": [3000, 5000, 100]})
|
|
assert link.update.call_count == 1
|
|
await link.update_filters({"window_drop": [3000, 5000, 100]})
|
|
assert link.update.call_count == 2
|
|
|
|
|
|
@pytest.mark.asyncio
|
|
async def test_available_filters(project, compute):
|
|
|
|
node1 = Node(project, compute, "node1", node_type="ethernet_switch")
|
|
node1._ports = [EthernetPort("E0", 0, 0, 4)]
|
|
|
|
link = Link(project)
|
|
link.create = AsyncioMagicMock()
|
|
assert link.available_filters() == []
|
|
|
|
# The brctl Ethernet switch hosts filters on its per-port uBridge relays
|
|
await link.add_node(node1, 0, 4)
|
|
assert len(link.available_filters()) > 0
|
|
|
|
node2 = Node(project, compute, "node2", node_type="vpcs")
|
|
node2._ports = [EthernetPort("E0", 0, 0, 4)]
|
|
await link.add_node(node2, 0, 4)
|
|
assert len(link.available_filters()) > 0
|
|
|
|
|
|
@pytest.mark.asyncio
|
|
async def test_update_link_style(project, compute):
|
|
|
|
node1 = Node(project, compute, "node1", node_type="qemu")
|
|
node1._ports = [EthernetPort("E0", 0, 0, 4)]
|
|
node2 = Node(project, compute, "node2", node_type="qemu")
|
|
node2._ports = [EthernetPort("E0", 0, 1, 3)]
|
|
|
|
link = Link(project)
|
|
link.create = AsyncioMagicMock()
|
|
link._project.emit_notification = MagicMock()
|
|
project.dump = MagicMock()
|
|
|
|
await link.add_node(node1, 0, 4)
|
|
await link.add_node(node2, 1, 3)
|
|
|
|
await link.update_link_style(
|
|
{
|
|
"color": "#00ff00",
|
|
"width": 3,
|
|
"type": 1,
|
|
"link_type": "flowchart",
|
|
"bezier_curviness": 150,
|
|
"flowchart_roundness": 20,
|
|
}
|
|
)
|
|
|
|
assert link.asdict()["link_style"] == {
|
|
"color": "#00ff00",
|
|
"width": 3,
|
|
"type": 1,
|
|
"link_type": "flowchart",
|
|
"bezier_curviness": 150,
|
|
"flowchart_roundness": 20,
|
|
}
|
|
link._project.emit_notification.assert_called_with("link.updated", link.asdict())
|
|
assert project.dump.called
|
|
|
|
|
|
@pytest.mark.asyncio
|
|
async def test_add_node_concurrent_same_port(project, compute):
|
|
project.dump = MagicMock()
|
|
node1 = Node(project, compute, "node1", node_type="qemu")
|
|
node1._ports = [EthernetPort("E0", 0, 0, 4)]
|
|
node2 = Node(project, compute, "node2", node_type="qemu")
|
|
node2._ports = [EthernetPort("E0", 0, 0, 4), EthernetPort("E1", 0, 0, 5)]
|
|
node3 = Node(project, compute, "node3", node_type="qemu")
|
|
node3._ports = [EthernetPort("E0", 0, 0, 4)]
|
|
|
|
async def slow_create():
|
|
await asyncio.sleep(0)
|
|
|
|
async def connect(other, other_port):
|
|
link = Link(project)
|
|
link.create = slow_create
|
|
try:
|
|
await link.add_node(other, 0, other_port)
|
|
await link.add_node(node1, 0, 4)
|
|
except ControllerError as e:
|
|
return e
|
|
return link
|
|
|
|
results = await asyncio.gather(connect(node2, 4), connect(node3, 4))
|
|
errors = [r for r in results if isinstance(r, ControllerError)]
|
|
assert len(errors) == 1
|
|
assert errors[0].code == "port_in_use"
|
|
assert node1._ports[0].link in results
|
|
|
|
|
|
@pytest.mark.asyncio
|
|
async def test_add_node_create_failure_releases_ports(project, compute):
|
|
project.dump = MagicMock()
|
|
node1 = Node(project, compute, "node1", node_type="qemu")
|
|
node1._ports = [EthernetPort("E0", 0, 0, 4)]
|
|
node2 = Node(project, compute, "node2", node_type="qemu")
|
|
node2._ports = [EthernetPort("E0", 0, 0, 4)]
|
|
|
|
link = Link(project)
|
|
link.create = AsyncioMagicMock(side_effect=ControllerError("boom"))
|
|
await link.add_node(node1, 0, 4)
|
|
with pytest.raises(ControllerError):
|
|
await link.add_node(node2, 0, 4)
|
|
|
|
assert node1._ports[0].link is None
|
|
assert node2._ports[0].link is None
|
|
assert not node1.links
|
|
assert not node2.links
|
|
|
|
|
|
def test_node_get_port_by_name_and_free_port(project, compute):
|
|
node = Node(project, compute, "node1", node_type="qemu")
|
|
node._ports = [EthernetPort("E1", 0, 0, 1), EthernetPort("E0", 0, 0, 0), SerialPort("S0", 0, 1, 0)]
|
|
|
|
assert node.get_port_by_name("E0") is node._ports[1]
|
|
assert node.get_port_by_name("nope") is None
|
|
assert node.get_free_port() is node._ports[1]
|
|
assert node.get_free_port("serial") is node._ports[2]
|
|
node._ports[1].link = object()
|
|
assert node.get_free_port("ethernet") is node._ports[0]
|
|
node._ports[0].link = object()
|
|
assert node.get_free_port("ethernet") is None
|