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webvirtcloud/instances/tests/test_templates.py
catborise f3003bb414 test: test files named by their topic, one file per topic
- console settings were split over four files; who sees the form, the
  listen address, and the settings themselves are test_console_settings,
  and who may open a console is test_console_access;
- the three template files are test_templates;
- the quota lock test joins test_quota;
- accounts' test_security_fixes held two topics: the SSH key tests are
  test_ssh_keys, the owner-row delete redirect is in test_views;
- instances' test_security_mutations, who may change a VM, is
  test_permissions.
The suite runs the same 2097 tests.
2026-11-06 13:48:04 +03:00

194 lines
9.8 KiB
Python

"""Templates: only superusers and staff mark or unmark one; a template is
not started, does not count towards the quota (turning it back into a VM
is checked), and is changed or deleted only by superusers and staff owners."""
from unittest.mock import patch
from django.contrib.auth import get_user_model
from django.test import TestCase
from django.urls import reverse
from rest_framework.test import APIClient
from accounts.models import UserInstance
from computes.models import Compute
from instances.models import Instance
from operations.models import Operation
from logs.models import Logs
from django.contrib.messages import get_messages
from instances.utils import QUOTA_UNVERIFIED, QuotaExceeded
class TemplateRulesTestCase(TestCase):
def setUp(self):
compute = Compute.objects.create(name="tpl-c", hostname="192.0.2.5", login="root", password="", type=1)
self.template = Instance.objects.create(
compute=compute, name="tpl-vm", uuid="ffffffff-0000-1111-2222-333333333333", is_template=True
)
self.owner = get_user_model().objects.create_user("tpl_owner", password="x")
UserInstance.objects.create(instance=self.template, user=self.owner, is_delete=True)
self.staff = get_user_model().objects.create_user("tpl_staff", password="x", is_staff=True)
UserInstance.objects.create(instance=self.template, user=self.staff, is_delete=True)
def test_power_cycle_does_not_start_a_template(self):
api = APIClient()
api.force_login(self.owner)
self.client.force_login(self.owner)
for post in (
lambda: self.client.post(reverse("instances:powercycle", args=[self.template.id])),
lambda: api.post(reverse("compute-instance-powercycle", args=[self.template.compute_id, self.template.id])),
):
with patch("instances.models.wvmInstance") as wvm:
post()
self.assertFalse(wvm.return_value.start.called)
self.assertFalse(wvm.return_value.force_shutdown.called)
def test_only_staff_owners_delete_a_template(self):
self.client.force_login(self.owner)
with patch("instances.models.wvmInstance") as wvm:
response = self.client.post(reverse("instances:destroy", args=[self.template.id]))
self.assertEqual(response.status_code, 403)
self.assertFalse(wvm.return_value.delete.called)
self.client.force_login(self.staff)
with patch("instances.models.wvmInstance"):
self.client.post(reverse("instances:destroy", args=[self.template.id]), {"submission_key": "key-tpldel01"})
self.assertTrue(Operation.objects.filter(kind="instance.delete").exists()) # queued
def test_the_destroy_confirmation_page_offers_the_form_to_who_may_delete(self):
url = reverse("instances:destroy", args=[self.template.id])
superuser = get_user_model().objects.create_superuser("tpl_root", "r@example.com", "x")
for user, status, form in ((superuser, 200, True), (self.staff, 200, True), (self.owner, 403, False)):
with self.subTest(user=user.username):
self.client.force_login(user)
with patch("instances.models.wvmInstance") as wvm:
wvm.return_value.get_status.return_value = 5
response = self.client.get(url)
self.assertEqual(response.status_code, status)
self.assertEqual('id="delete_form"' in response.content.decode(), form)
class TemplateFlagTestCase(TestCase):
def setUp(self):
User = get_user_model()
self.superuser = User.objects.create_superuser(
username="tpl_super", email="tpl_super@example.com", password="x"
)
self.owner = User.objects.create_user(username="tpl_owner", password="x")
self.staff_owner = User.objects.create_user(
username="tpl_staff_owner", password="x", is_staff=True
)
self.compute = Compute.objects.create(
name="tpl-compute", hostname="127.0.0.1:1", login="root", password="", type=1
)
self.instance = Instance.objects.create(
compute=self.compute,
name="tpl-vm",
uuid="dddddddd-eeee-ffff-0000-111111111111",
)
for user in (self.owner, self.staff_owner):
UserInstance.objects.create(instance=self.instance, user=user, is_change=True)
def _post(self, user, action, data, status=302):
self.client.force_login(user)
with patch("instances.models.wvmInstance") as wvm:
wvm.return_value.get_status.return_value = 5
# unmarking a template checks the owner's quota with the VM's size
wvm.return_value.get_vcpu.return_value = 1
wvm.return_value.get_memory.return_value = 1024
wvm.return_value.get_disk_devices.return_value = []
res = self.client.post(reverse(f"instances:{action}", args=[self.instance.id]), data)
self.assertEqual(res.status_code, status)
self.instance.refresh_from_db()
def _make_template(self):
self.instance.is_template = True
self.instance.save(update_fields=["is_template"])
def test_owner_cannot_mark_vm_as_template(self):
self._post(self.owner, "set_template", {"is_template": "True"}, status=403)
self.assertFalse(self.instance.is_template)
def test_owner_cannot_change_a_template(self):
# a template is changed only by superusers and staff owners
self._make_template()
self._post(self.owner, "change_options", {"title": "new title", "description": ""}, status=403)
self.assertTrue(self.instance.is_template)
def test_staff_owner_can_mark_and_unmark_template(self):
self._post(self.staff_owner, "set_template", {"is_template": "True"})
self.assertTrue(self.instance.is_template)
# an unchecked switch is not submitted: "not a template"
self._post(self.staff_owner, "set_template", {})
self.assertFalse(self.instance.is_template)
self.assertEqual(list(Logs.objects.filter(message__startswith="VM").order_by("id").values_list("message", "success")),
[("VM tpl-vm: mark as template", True), ("VM tpl-vm: unmark as template", True)])
def test_superuser_can_unmark_template(self):
self._make_template()
self._post(self.superuser, "set_template", {})
self.assertFalse(self.instance.is_template)
def test_the_title_form_leaves_the_template_alone(self):
self._make_template()
self._post(self.superuser, "change_options", {"title": "t", "description": ""})
self.assertTrue(self.instance.is_template)
class TemplateFlagQuotaTests(TestCase):
def setUp(self):
User = get_user_model()
self.staff = User.objects.create_user("tq-staff", password="pw", is_staff=True)
compute = Compute.objects.create(name="tq", hostname="10.0.0.5", login="u", password="p", type=1)
self.vm = Instance.objects.create(compute=compute, name="tq-vm", uuid="12345678-0000-0000-0000-00000000aaaa")
UserInstance.objects.create(user=self.staff, instance=self.vm, is_change=True)
def post(self, user, is_template, quota="", status=5):
self.client.force_login(user)
data = {"is_template": "on"} if is_template else {}
with patch("instances.models.wvmInstance") as wvm, patch(
"instances.views.utils.check_user_quota", return_value=quota
) as check:
wvm.return_value.get_status.return_value = status
wvm.return_value.get_vcpu.return_value = 2
wvm.return_value.get_memory.return_value = 2048
wvm.return_value.get_disk_devices.return_value = [{"size": 10 << 30}]
response = self.client.post(reverse("instances:set_template", args=[self.vm.id]), data)
self.vm.refresh_from_db()
return check, [str(m) for m in get_messages(response.wsgi_request)]
def test_making_a_template_needs_no_quota(self):
check, _ = self.post(self.staff, is_template=True)
self.assertTrue(self.vm.is_template)
check.assert_not_called()
def test_turning_a_template_into_a_vm_is_checked(self):
Instance.objects.filter(pk=self.vm.pk).update(is_template=True)
check, _ = self.post(self.staff, is_template=False)
self.assertFalse(self.vm.is_template)
check.assert_called_once_with(self.staff, 1, 2, 2048, 10)
def test_over_quota_the_template_stays_a_template(self):
Instance.objects.filter(pk=self.vm.pk).update(is_template=True)
_, messages = self.post(self.staff, is_template=False, quota=QuotaExceeded("cpu", 9, 8))
self.assertTrue(self.vm.is_template)
self.assertTrue(any("quota" in m for m in messages), messages)
def test_an_unverifiable_quota_keeps_it_a_template(self):
Instance.objects.filter(pk=self.vm.pk).update(is_template=True)
_, messages = self.post(self.staff, is_template=False, quota=QUOTA_UNVERIFIED)
self.assertTrue(self.vm.is_template)
self.assertTrue(any("cannot be reached" in m for m in messages), messages)
def test_a_vm_that_is_not_shut_off_stays_as_it_is(self):
# a running VM made a template would leave the quota while it runs
for status in (1, 3):
with self.subTest(status=status):
check, messages = self.post(self.staff, is_template=True, status=status)
self.assertFalse(self.vm.is_template)
self.assertIn("Shut the VM down to change whether it is a template.", messages)
def test_superusers_have_no_quota(self):
Instance.objects.filter(pk=self.vm.pk).update(is_template=True)
admin = get_user_model().objects.create_superuser("tq-admin", "tq@example.com", "pw")
check, _ = self.post(admin, is_template=False, quota=QuotaExceeded("cpu", 9, 8))
self.assertFalse(self.vm.is_template)
check.assert_not_called()