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webvirtcloud/interfaces/tests/test_audit_rows.py
catborise 680dd5dad4 fix(interfaces): interface changes roll back as one, a running one is not deleted, each interface is read once
Plan reviewed with Codex; tried on a udev host (AlmaLinux 10) and a
netcf one (AlmaLinux 8).

- Changes are one change of the host's configuration (libvirt's
  interface change transaction): a bridge that does not start used to
  be undefined, leaving its member without the addresses and start
  mode the bridge took from it; now the whole change rolls back, the
  member's own configuration too, and so does a commit libvirt refuses.
  A rollback that fails too is reported with the failure, saying the
  host's configuration may be changed.
  Deleting a bridge, which defines its
  members again on their own, is one change as well.
- A running interface is not deleted: the page hid Delete, but a post
  deleted it. A bridge with addresses and several members is refused
  (which member takes the addresses is the user's choice); the
  confirmation says that its members are defined again.
- A bridge takes only a device in no bridge, bond or VLAN as the host
  has them configured, at any depth (a bridge's bond's devices), not
  the loopback, a libvirt network's bridge or a VM's tap; an ethernet
  interface configures only such a device too.
- Whether the host can change interfaces: unsupported or refused by
  its access rules is a no, bad XML a yes, anything else (the
  connection, the login) is raised instead of taken for a yes. A page
  whose host could not be read offers no actions.
- Reads: the list reads each interface's XML once from one listing
  (listAllInterfaces: every state, not the active and the defined ones
  apart); a page reads the running and the saved definition once each
  (cached_property). netcf writes a link speed of -1 for a card that
  has none (a virtio one) and then refuses its own XML: the saved one
  is read instead, where virsh and the page failed. Name and MAC come
  from libvirt's object, without a call. Each family says how it is
  addressed (DHCP, autoconf, static or none) and every address, its
  prefix where it has one; no
  address is not "DHCP" any more. A bridge's members carry their link
  state and speed; an unknown speed (0, -1, 4294967295) is none.
- The interface API lists from the same reader. get_details,
  get_bridge, get_bridge_slave_ifaces and the per-family getters go.
2026-10-29 10:09:40 +03:00

39 lines
1.8 KiB
Python

"""Host interface changes write rows on the Logs page."""
from unittest.mock import patch
from computes.models import Compute
from django.contrib.auth import get_user_model
from django.test import TestCase
from django.urls import reverse
from logs.models import Logs
class InterfaceRowTests(TestCase):
def setUp(self):
self.compute = Compute.objects.create(name="c1", hostname="localhost", login="", password="", type=4)
self.client.force_login(get_user_model().objects.create_superuser("audit-admin", "a@example.com", "pw"))
Logs.objects.all().delete() # the login's row
@patch("interfaces.views.wvmInterface")
@patch("interfaces.views.wvmInterfaces")
def test_interface_actions(self, ifaces, iface):
ifaces.return_value.can_change_interfaces.return_value = True
ifaces.return_value.get_net_devices.return_value = ["eth0"]
ifaces.return_value.get_member_candidates.return_value = ["eth0"]
ifaces.return_value.get_ifaces_info.return_value = []
iface.return_value.can_change_interfaces.return_value = True
self.client.post(reverse("interfaces", args=[self.compute.id]), {
"create": "", "name": "br1", "itype": "bridge", "start_mode": "onboot", "netdev": "eth0",
"ipv4_type": "dhcp", "ipv6_type": "none", "stp": "on", "delay": "0"})
ifaces.return_value.create_iface.assert_called_once()
url = reverse("interface", args=[self.compute.id, "br1"])
for action in ("start", "stop", "delete"):
self.client.post(url, {action: ""})
self.assertEqual(list(Logs.objects.order_by("id").values_list("message", "success", "host")), [
("Interface br1: add", True, "c1"),
("Interface br1: start", True, "c1"),
("Interface br1: stop", True, "c1"),
("Interface br1: delete", True, "c1"),
])