def test_archive_then_purge_by_date(self):
# Enable the generation of task_log records by the instance usage audit
# nova-compute periodic task.
self.flags(instance_usage_audit=True)
compute = self.computes['compute']
# Simulate a server that was created 30 days ago, needed to test the
# task_log coverage. The task_log audit period defaults to 1 month, so
# for a server to appear in the task_log, it must have been active
# during the previous calendar month.
month_ago = timeutils.utcnow() - datetime.timedelta(days=30)
with osloutils_fixture.TimeFixture(month_ago):
server = self._create_server()
server_id = server['id']
admin_context = context.get_admin_context()
# task_log records are generated by the _instance_usage_audit
# periodic task.
compute.manager._instance_usage_audit(admin_context)
# Audit period defaults to 1 month, the last audit period will
# be the previous calendar month.
begin, end = nova_utils.last_completed_audit_period()
# Verify that we have 1 task_log record per audit period.
task_logs = objects.TaskLogList.get_all(admin_context,
'instance_usage_audit', begin,
end)
self.assertEqual(1, len(task_logs))
# Delete the server and archive deleted rows.
self._delete_server(server)
results, deleted_ids, archived = db.archive_deleted_rows(max_rows=1000,
task_log=True)
self.assertEqual([server_id], deleted_ids)
self.assertEqual(sum(results.values()), archived)
pre_purge_results = self._get_table_counts()
# Make sure we didn't delete anything if the marker is before
# we started
past = timeutils.utcnow() - datetime.timedelta(days=31)
deleted = db.purge_shadow_tables(admin_context, past)
self.assertEqual(0, deleted)
# Nothing should be changed if we didn't purge anything
results = self._get_table_counts()
self.assertEqual(pre_purge_results, results)
# Make sure we deleted things when the marker is after
# we started
future = timeutils.utcnow() + datetime.timedelta(hours=1)
deleted = db.purge_shadow_tables(admin_context, future)
self.assertNotEqual(0, deleted)
# There should be no rows in any table if we purged everything
results = self._get_table_counts()
self.assertFalse(any(results.values()))
def test_purge_with_real_date(self):
"""Make sure the result of dateutil's parser works with the
query we're making to sqlalchemy.
"""
server = self._create_server()
server_id = server['id']
self._delete_server(server)
results, deleted_ids, archived = db.archive_deleted_rows(max_rows=1000)
self.assertEqual([server_id], deleted_ids)
date = dateutil_parser.parse('oct 21 2015', fuzzy=True)
admin_context = context.get_admin_context()
deleted = db.purge_shadow_tables(admin_context, date)
self.assertEqual(0, deleted)
self.assertEqual(sum(results.values()), archived)
def test_archive_then_purge_all(self):
# Enable the generation of task_log records by the instance usage audit
# nova-compute periodic task.
self.flags(instance_usage_audit=True)
compute = self.computes['compute']
server = self._create_server()
server_id = server['id']
admin_context = context.get_admin_context()
future = timeutils.utcnow() + datetime.timedelta(days=30)
with osloutils_fixture.TimeFixture(future):
# task_log records are generated by the _instance_usage_audit
# periodic task.
compute.manager._instance_usage_audit(admin_context)
# Audit period defaults to 1 month, the last audit period will
# be the previous calendar month.
begin, end = nova_utils.last_completed_audit_period()
# Verify that we have 1 task_log record per audit period.
task_logs = objects.TaskLogList.get_all(admin_context,
'instance_usage_audit',
begin, end)
self.assertEqual(1, len(task_logs))
self._delete_server(server)
results, deleted_ids, archived = db.archive_deleted_rows(max_rows=1000,
task_log=True)
self.assertEqual([server_id], deleted_ids)
lines = []
def status(msg):
lines.append(msg)
deleted = db.purge_shadow_tables(admin_context, None, status_fn=status)
self.assertNotEqual(0, deleted)
self.assertNotEqual(0, len(lines))
self.assertEqual(sum(results.values()), archived)
for line in lines:
self.assertIsNotNone(
re.match(r'Deleted [1-9][0-9]* rows from .*', line))
# Ensure we purged task_log records.
self.assertIn('shadow_task_log', str(lines))
results = self._get_table_counts()
# No table should have any rows
self.assertFalse(any(results.values()))