mirror of
https://github.com/retspen/webvirtcloud
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ea9424ee1f
The QoS table showed the running VM's bandwidth while an edit changes the definition for the next start. Each row posts average, peak and burst, so an edit wrote the running values back over a pending change, and a direction added while the VM ran had no row. The table shows the persistent definition now. An edit also kept only the posted values and dropped an inbound floor; it now updates them and keeps the rest.
80 lines
4.7 KiB
Python
80 lines
4.7 KiB
Python
"""On an active VM an edit changes the persistent definition and is pending
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until the next start. The edit forms show that definition, so a save does
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not post the running VM's value back over a pending change."""
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from unittest.mock import PropertyMock, patch
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from computes.models import Compute
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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 instances.models import Instance
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from lxml import html
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def disk(dev, cache, serial):
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return {
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"dev": dev, "bus": "virtio", "image": f"{dev}.qcow2", "storage": "default", "path": f"/pool/{dev}.qcow2",
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"format": "qcow2", "backing_file": None, "size": 1 << 30, "used": 1 << 20, "cache": cache, "io": "default",
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"discard": "default", "detect_zeroes": "default", "readonly": False, "shareable": False, "serial": serial,
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}
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class PendingEditsTestCase(TestCase):
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def setUp(self):
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self.client.force_login(get_user_model().objects.create_superuser("pe-admin", "pe@example.com", "x"))
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compute = Compute.objects.create(name="pe", hostname="127.0.0.1:1", login="root", password="", type=1)
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self.instance = Instance.objects.create(compute=compute, name="pe-vm", uuid="aaaaaaaa-1111-2222-3333-444444444444")
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def page(self, live=(), config=(), qos=({}, {})): # disks and QoS of the live and the persistent definition
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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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):
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proxy = wvm.return_value
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proxy.get_status.return_value = 1
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proxy.get_memory.return_value = proxy.get_cur_memory.return_value = 1024
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proxy.get_max_memory.return_value = 4096
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proxy.get_vcpu.return_value = proxy.get_cur_vcpu.return_value = 1
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proxy.get_max_cpus.return_value = [1, 2]
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proxy.get_vcpus.return_value = {}
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for getter in ("get_networks", "get_ifaces", "get_storages", "get_media_devices", "get_net_devices",
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"get_snapshot", "get_external_snapshots"):
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getattr(proxy, getter).return_value = []
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proxy.get_disk_devices.side_effect = lambda **kw: config if kw.get("config") else live
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proxy.get_all_qos.side_effect = lambda **kw: qos[1] if kw.get("config") else qos[0]
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proxy.get_console_type.return_value = "vnc"
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proxy.get_cache_modes.return_value = {"default": "Default", "none": "Disabled"}
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response = self.client.get(reverse("instances:instance", args=[self.instance.id]))
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self.assertEqual(response.status_code, 200)
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return html.fromstring(response.content)
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def test_the_disk_edit_form_shows_the_pending_definition(self):
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# running: cache=none and a new disk vdb pending, vda's serial live only
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doc = self.page(
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live=[disk("vda", "default", "live-serial")],
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config=[disk("vda", "none", ""), disk("vdb", "default", "")],
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)
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forms = doc.xpath("//form[@action=$a]", a=reverse("instances:edit_volume", args=[self.instance.id]))
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self.assertEqual([f.xpath("string(.//input[@name='dev']/@value)") for f in forms], ["vda", "vdb"])
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vda = forms[0]
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self.assertEqual(vda.xpath(".//select[@name='vol_cache']/option[@selected]/@value"), ["none"])
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self.assertEqual(vda.xpath("string(.//input[@name='vol_serial']/@value)"), "")
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def test_the_qos_form_shows_the_pending_definition(self):
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mac = "52:54:10:00:00:01"
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inbound = {"direction": "inbound", "average": "500", "peak": "0", "burst": "0", "floor": None}
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doc = self.page(qos=({mac: [inbound]}, {mac: [{**inbound, "average": "1000"}, {**inbound, "direction": "outbound"}]}))
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self.assertEqual(doc.xpath("//input[@name='qos_average']/@value"), ["1000", "500"])
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# the pending outbound has a row
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self.assertEqual([" ".join(t.split()) for t in doc.xpath("//label[@class='col-form-label']/text()")],
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[f"{mac} Inbound", f"{mac} Outbound"])
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def test_a_disk_with_a_pending_source_is_not_deleted(self):
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# running: vda is A, its definition for the next start uses B
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with patch("instances.models.wvmInstance") as wvm, patch("instances.views.wvmStorage") as storage:
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proxy = wvm.return_value
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live, pending = disk("vda", "default", ""), {**disk("vda", "default", ""), "path": "/pool/b.qcow2"}
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proxy.get_disk_devices.side_effect = lambda **kw: [pending] if kw.get("config") else [live]
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self.client.post(reverse("instances:delete_vol", args=[self.instance.id]), {"dev": "vda"})
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proxy.detach_disk.assert_not_called()
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storage.return_value.del_volume.assert_not_called()
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