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https://github.com/retspen/webvirtcloud
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A clone copies the disks of the VM's persistent definition, but its disk quota and the disk names chosen with automatic naming came from the running VM's disks, which differ after a disk is attached or detached on the running VM only.
54 lines
2.9 KiB
Python
54 lines
2.9 KiB
Python
"""A clone copies the disks of the VM's persistent definition: its quota and
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disk names come from those, not from the running VM's disks."""
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from unittest.mock import PropertyMock, patch
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from django.contrib.auth import get_user_model
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from django.contrib.auth.models import Permission
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from django.test import TestCase
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from django.urls import reverse
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from accounts.models import UserInstance
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from appsettings.models import AppSettings
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from computes.models import Compute
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from instances.models import Instance
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LIVE = [{"dev": "vda", "path": "/pool/live.qcow2", "storage": "pool", "image": "live.qcow2", "size": 1 << 30}]
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SAVED = [{"dev": "vdb", "path": "/pool/saved.qcow2", "storage": "pool", "image": "saved.qcow2", "size": 20 << 30}]
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class CloneDisksTestCase(TestCase):
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def setUp(self):
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compute = Compute.objects.create(name="cd", hostname="192.0.2.5", login="root", password="", type=1)
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self.vm = Instance.objects.create(compute=compute, name="cd-vm", uuid="12345678-aaaa-bbbb-cccc-1234567890ab")
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def clone(self, user, **post):
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self.client.force_login(user)
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with patch("instances.models.wvmInstance") as wvm, patch.object(
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Compute, "status", new_callable=PropertyMock, return_value=True
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), patch("instances.views.utils.check_user_quota", return_value="") as quota:
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wvm.return_value.get_disk_devices.side_effect = lambda config=False: SAVED if config else LIVE
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wvm.return_value.get_vcpu.return_value = 1
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wvm.return_value.get_memory.return_value = 512
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wvm.return_value.get_net_devices.return_value = []
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wvm.return_value.clone_instance.return_value = "abcdefab-0000-1111-2222-333333333333"
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response = self.client.post(reverse("instances:clone", args=[self.vm.id]), post)
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self.messages = [str(m) for m in response.wsgi_request._messages]
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return quota, wvm.return_value.clone_instance
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def test_the_quota_counts_the_disks_the_clone_copies(self):
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owner = get_user_model().objects.create_user("cd_owner", password="x")
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owner.user_permissions.add(Permission.objects.get(codename="clone_instances"))
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UserInstance.objects.create(instance=self.vm, user=owner, is_change=True)
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quota, _ = self.clone(owner, name="cd-clone")
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self.assertEqual(quota.call_args.args[4], 20)
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def test_automatic_disk_names_are_for_the_disks_the_clone_copies(self):
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admin = get_user_model().objects.create_superuser("cd_admin", "cd@example.com", "x")
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AppSettings.objects.filter(key="CLONE_INSTANCE_AUTO_NAME").update(value="True")
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with patch("instances.views.utils.get_clone_free_names", return_value=["auto-1"]), patch(
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"instances.views.utils.get_dhcp_mac_address", return_value="52:54:00:00:00:01"
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):
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_, clone_instance = self.clone(admin)
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data = clone_instance.call_args.args[0]
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self.assertIn("disk-vdb", data)
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self.assertNotIn("disk-vda", data)
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