mirror of
https://github.com/retspen/webvirtcloud
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02412b7ea5
The delete ran in the request: undefine, then the VM's record, then its disk files. A request that died in between (a gunicorn worker past its timeout, OOM, a restart), or a database write that failed after the undefine, left a record that later showed as removed outside the panel, and the disk files the user asked to delete were never deleted. Deleting a VM is now an instance.delete job. It holds the compute exclusively, as the request did, so no other VM attaches a file it is about to delete. The job chooses the files before it stops the VM (a host that cannot be checked still stops nothing) and records them first. It then stops and undefines the VM, removes its record, and deletes the files, each with its own Logs row. Recovery decides from libvirt: a VM still on its host means the delete failed; a VM gone means libvirt did it, so recovery removes the record and deletes the recorded files that are still there. The page queues the job and returns to the VM page, where the job panel follows it and opens the VM list when it ends; disks that were kept are the result's warning. The API's delete answers 202 with the job and needs a submission_key. backing_path moves to wvmConnect, as recovery has no domain to ask.
64 lines
3.2 KiB
Python
64 lines
3.2 KiB
Python
"""
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A template is not started (power on or power cycle, web or API) and is
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changed or deleted only by superusers and staff owners.
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"""
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from unittest.mock import patch
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from django.contrib.auth import get_user_model
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from django.test import TestCase
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from django.urls import reverse
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from rest_framework.test import APIClient
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from accounts.models import UserInstance
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from computes.models import Compute
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from instances.models import Instance
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from operations.models import Operation
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class TemplateRulesTestCase(TestCase):
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def setUp(self):
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compute = Compute.objects.create(name="tpl-c", hostname="192.0.2.5", login="root", password="", type=1)
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self.template = Instance.objects.create(
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compute=compute, name="tpl-vm", uuid="ffffffff-0000-1111-2222-333333333333", is_template=True
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)
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self.owner = get_user_model().objects.create_user("tpl_owner", password="x")
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UserInstance.objects.create(instance=self.template, user=self.owner, is_delete=True)
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self.staff = get_user_model().objects.create_user("tpl_staff", password="x", is_staff=True)
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UserInstance.objects.create(instance=self.template, user=self.staff, is_delete=True)
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def test_power_cycle_does_not_start_a_template(self):
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api = APIClient()
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api.force_login(self.owner)
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self.client.force_login(self.owner)
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for post in (
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lambda: self.client.post(reverse("instances:powercycle", args=[self.template.id])),
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lambda: api.post(reverse("compute-instance-powercycle", args=[self.template.compute_id, self.template.id])),
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):
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with patch("instances.models.wvmInstance") as wvm:
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post()
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self.assertFalse(wvm.return_value.start.called)
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self.assertFalse(wvm.return_value.force_shutdown.called)
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def test_only_staff_owners_delete_a_template(self):
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self.client.force_login(self.owner)
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with patch("instances.models.wvmInstance") as wvm:
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response = self.client.post(reverse("instances:destroy", args=[self.template.id]))
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self.assertEqual(response.status_code, 403)
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self.assertFalse(wvm.return_value.delete.called)
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self.client.force_login(self.staff)
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with patch("instances.models.wvmInstance"):
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self.client.post(reverse("instances:destroy", args=[self.template.id]), {"submission_key": "key-tpldel01"})
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self.assertTrue(Operation.objects.filter(kind="instance.delete").exists()) # queued
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def test_the_destroy_confirmation_page_offers_the_form_to_who_may_delete(self):
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url = reverse("instances:destroy", args=[self.template.id])
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superuser = get_user_model().objects.create_superuser("tpl_root", "r@example.com", "x")
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for user, status, form in ((superuser, 200, True), (self.staff, 200, True), (self.owner, 403, False)):
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with self.subTest(user=user.username):
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self.client.force_login(user)
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with patch("instances.models.wvmInstance") as wvm:
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wvm.return_value.get_status.return_value = 5
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response = self.client.get(url)
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self.assertEqual(response.status_code, status)
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self.assertEqual('id="delete_form"' in response.content.decode(), form)
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