openstack/nova
Code Issues Proposed changes

Merge "Add functional live migrate test"

Browse Source
This commit is contained in:
Jenkins 2017-08-22 14:15:04 +00:00 committed by Gerrit Code Review
commit 7dd94e8c0d
1 changed files with 55 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

55
nova/tests/functional/test_servers.py
View File

@ -1863,3 +1863,58 @@ class ServerMovingTests(test.TestCase, integrated_helpers.InstanceHelperMixin):
self._delete_and_check_allocations(
server, source_rp_uuid, dest_rp_uuid)
def test_live_migrate(self):
source_hostname = self.compute1.host
dest_hostname = self.compute2.host
source_rp_uuid = self._get_provider_uuid_by_host(source_hostname)
dest_rp_uuid = self._get_provider_uuid_by_host(dest_hostname)
server = self._boot_and_check_allocations(
self.flavor1, source_hostname)
post = {
'os-migrateLive': {
'host': dest_hostname,
'block_migration': True,
}
}
self.api.post_server_action(server['id'], post)
self._wait_for_server_parameter(self.api, server,
{'OS-EXT-SRV-ATTR:host': dest_hostname,
'status': 'ACTIVE'})
self._run_periodics()
source_usages = self._get_provider_usages(source_rp_uuid)
# NOTE(lajos katona): After bug 1712045 is solved on the source there
# will be no allocations:
# self.assertFlavorMatchesAllocation(
# {'ram': 0, 'disk': 0, 'vcpus': 0}, source_usages)
# NOTE(lajos katona): while bug 1712045 is not solved on the source
# host the allocations are remaining:
# on the original host should not have the old resource usage
self.assertFlavorMatchesAllocation(self.flavor1, source_usages)
dest_usages = self._get_provider_usages(dest_rp_uuid)
self.assertFlavorMatchesAllocation(self.flavor1, dest_usages)
allocations = self._get_allocations_by_server_uuid(server['id'])
# NOTE(lajos katona): the server has 2 allocations, instead of one,
# after bug 1712045 will be solved we can expect just one allocation
self.assertEqual(2, len(allocations))
# NOTE(lajos katona): When bug 1712045 is solved the server has
# no allocation on the source:
# self.assertNotIn(source_rp_uuid, allocations)
# Instead the source allocation is still there
source_allocation = allocations[source_rp_uuid]['resources']
self.assertFlavorMatchesAllocation(self.flavor1, source_allocation)
dest_allocation = allocations[dest_rp_uuid]['resources']
self.assertFlavorMatchesAllocation(self.flavor1, dest_allocation)
self._delete_and_check_allocations(
server, source_rp_uuid, dest_rp_uuid)