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Merge "Add functional recreate revert resize test for bug 1852610"

changes/45/684345/18
Zuul 3 weeks ago
parent
commit
c5d094ad3d
2 changed files with 53 additions and 0 deletions
  1. +12
    -0
      nova/tests/functional/integrated_helpers.py
  2. +41
    -0
      nova/tests/functional/wsgi/test_services.py

+ 12
- 0
nova/tests/functional/integrated_helpers.py View File

@@ -863,6 +863,18 @@ class ProviderUsageBaseTestCase(test.TestCase, InstanceHelperMixin):
server, request=request, old_flavor=flavor, new_flavor=flavor,
source_rp_uuid=source_rp_uuid, dest_rp_uuid=dest_rp_uuid)

def _resize_and_check_allocations(self, server, old_flavor, new_flavor,
source_rp_uuid, dest_rp_uuid):
request = {
'resize': {
'flavorRef': new_flavor['id']
}
}
self._move_and_check_allocations(
server, request=request, old_flavor=old_flavor,
new_flavor=new_flavor, source_rp_uuid=source_rp_uuid,
dest_rp_uuid=dest_rp_uuid)

def _resize_to_same_host_and_check_allocations(self, server, old_flavor,
new_flavor, rp_uuid):
# Resize the server to the same host and check usages in VERIFY_RESIZE

+ 41
- 0
nova/tests/functional/wsgi/test_services.py View File

@@ -210,6 +210,47 @@ class TestServicesAPI(integrated_helpers.ProviderUsageBaseTestCase):
self._wait_for_state_change(self.api, server, 'ERROR')
self.assertIn('ComputeHostNotFound', self.stdlog.logger.output)

def test_resize_revert_after_deleted_source_compute(self):
"""Tests a scenario where a server is resized and while in
VERIFY_RESIZE status the admin attempts to delete the source compute
and then the user tries to revert the resize.
"""
# Start a compute service and create a server there.
self._start_compute('host1')
host1_rp_uuid = self._get_provider_uuid_by_host('host1')
flavors = self.api.get_flavors()
flavor1 = flavors[0]
flavor2 = flavors[1]
server = self._boot_and_check_allocations(flavor1, 'host1')
# Start a second compute service so we can resize there.
self._start_compute('host2')
host2_rp_uuid = self._get_provider_uuid_by_host('host2')
# Resize the server to host2.
self._resize_and_check_allocations(
server, flavor1, flavor2, host1_rp_uuid, host2_rp_uuid)
# Delete the source compute service.
service = self.admin_api.get_services(
binary='nova-compute', host='host1')[0]
self.admin_api.api_delete('/os-services/%s' % service['id'])
# FIXME(mriedem): This is bug 1852610 where the compute service is
# deleted but the resource provider is not because there are still
# migration-based allocations against the source node provider.
resp = self.placement_api.get('/resource_providers/%s' % host1_rp_uuid)
self.assertEqual(200, resp.status)
self.assertFlavorMatchesUsage(host1_rp_uuid, flavor1)
# Now try to revert the resize.
# NOTE(mriedem): This actually works because the drop_move_claim
# happens in revert_resize on the dest host which still has its
# ComputeNode record. The migration-based allocations are reverted
# so the instance holds the allocations for the source provider and
# the allocations against the dest provider are dropped.
self.api.post_server_action(server['id'], {'revertResize': None})
self._wait_for_state_change(self.api, server, 'ACTIVE')
self.assertNotIn('ComputeHostNotFound', self.stdlog.logger.output)
self.assertFlavorMatchesUsage(host1_rp_uuid, flavor1)
zero_flavor = {'vcpus': 0, 'ram': 0, 'disk': 0, 'extra_specs': {}}
self.assertFlavorMatchesUsage(host2_rp_uuid, zero_flavor)


class ComputeStatusFilterTest(integrated_helpers.ProviderUsageBaseTestCase):
"""Tests the API, compute service and Placement interaction with the

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