magnum/magnum/tests/unit/db/test_nodegroup.py

229 lines
9.8 KiB
Python

# Copyright (c) 2018 European Organization for Nuclear Research.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""Tests for manipulating NodeGroups via the DB API"""
from oslo_utils import uuidutils
from magnum.common import exception
from magnum.tests.unit.db import base
from magnum.tests.unit.db import utils
class DbNodeGroupTestCase(base.DbTestCase):
def test_create_nodegroup(self):
utils.create_test_nodegroup()
def test_create_nodegroup_already_exists(self):
utils.create_test_nodegroup()
self.assertRaises(exception.NodeGroupAlreadyExists,
utils.create_test_nodegroup)
def test_create_nodegroup_same_name_same_cluster(self):
# NOTE(ttsiouts): Don't allow the same name for nodegroups
# in the same cluster.
nodegroup = utils.create_test_nodegroup()
new = {
'name': nodegroup.name,
'id': nodegroup.id + 8,
'cluster_id': nodegroup.cluster_id
}
self.assertRaises(exception.NodeGroupAlreadyExists,
utils.create_test_nodegroup, **new)
def test_create_nodegroup_same_name_different_cluster(self):
# NOTE(ttsiouts): Verify nodegroups with the same name
# but in different clusters are allowed.
nodegroup = utils.create_test_nodegroup()
new = {
'name': nodegroup.name,
'id': nodegroup.id + 8,
'cluster_id': 'fake-cluster-uuid',
'uuid': 'fake-nodegroup-uuid',
'project_id': nodegroup.project_id,
}
try:
utils.create_test_nodegroup(**new)
except Exception:
# Something went wrong, just fail the testcase
self.assertTrue(False)
def test_get_nodegroup_by_id(self):
nodegroup = utils.create_test_nodegroup()
res = self.dbapi.get_nodegroup_by_id(self.context,
nodegroup.cluster_id,
nodegroup.id)
self.assertEqual(nodegroup.id, res.id)
self.assertEqual(nodegroup.uuid, res.uuid)
def test_get_nodegroup_by_name(self):
nodegroup = utils.create_test_nodegroup()
res = self.dbapi.get_nodegroup_by_name(self.context,
nodegroup.cluster_id,
nodegroup.name)
self.assertEqual(nodegroup.name, res.name)
self.assertEqual(nodegroup.uuid, res.uuid)
def test_get_cluster_by_uuid(self):
nodegroup = utils.create_test_nodegroup()
res = self.dbapi.get_nodegroup_by_uuid(self.context,
nodegroup.cluster_id,
nodegroup.uuid)
self.assertEqual(nodegroup.id, res.id)
self.assertEqual(nodegroup.uuid, res.uuid)
def test_get_nodegroup_that_does_not_exist(self):
# Create a cluster with no nodegroups
cluster = utils.create_test_cluster()
self.assertRaises(exception.NodeGroupNotFound,
self.dbapi.get_nodegroup_by_id,
self.context, cluster.uuid, 100)
self.assertRaises(exception.NodeGroupNotFound,
self.dbapi.get_nodegroup_by_uuid,
self.context, cluster.uuid,
'12345678-9999-0000-aaaa-123456789012')
self.assertRaises(exception.NodeGroupNotFound,
self.dbapi.get_nodegroup_by_name,
self.context, cluster.uuid, 'not_found')
def test_get_nodegroups_in_cluster(self):
uuids_in_cluster = []
uuids_not_in_cluster = []
cluster = utils.create_test_cluster(uuid=uuidutils.generate_uuid())
for i in range(2):
ng = utils.create_test_nodegroup(uuid=uuidutils.generate_uuid(),
name='test%(id)s' % {'id': i},
cluster_id=cluster.uuid)
uuids_in_cluster.append(ng.uuid)
for i in range(2):
ng = utils.create_test_nodegroup(uuid=uuidutils.generate_uuid(),
name='test%(id)s' % {'id': i},
cluster_id='fake_cluster')
uuids_not_in_cluster.append(ng.uuid)
res = self.dbapi.list_cluster_nodegroups(self.context, cluster.uuid)
res_uuids = [r.uuid for r in res]
self.assertEqual(sorted(uuids_in_cluster), sorted(res_uuids))
for uuid in uuids_not_in_cluster:
self.assertNotIn(uuid, res_uuids)
def test_get_cluster_list_sorted(self):
uuids = []
cluster = utils.create_test_cluster(uuid=uuidutils.generate_uuid())
for i in range(5):
ng = utils.create_test_nodegroup(uuid=uuidutils.generate_uuid(),
name='test%(id)s' % {'id': i},
cluster_id=cluster.uuid)
uuids.append(ng.uuid)
res = self.dbapi.list_cluster_nodegroups(self.context, cluster.uuid,
sort_key='uuid')
res_uuids = [r.uuid for r in res]
self.assertEqual(sorted(uuids), res_uuids)
self.assertRaises(exception.InvalidParameterValue,
self.dbapi.list_cluster_nodegroups,
self.context,
cluster.uuid,
sort_key='not-there')
def test_get_nodegroup_list_with_filters(self):
cluster_dict = utils.get_test_cluster(
id=1, uuid=uuidutils.generate_uuid())
cluster = self.dbapi.create_cluster(cluster_dict)
group1 = utils.create_test_nodegroup(
name='group-one',
cluster_id=cluster.uuid,
flavor_id=1,
uuid=uuidutils.generate_uuid(),
node_count=1)
group2 = utils.create_test_nodegroup(
name='group-two',
cluster_id=cluster.uuid,
flavor_id=1,
uuid=uuidutils.generate_uuid(),
node_count=1)
group3 = utils.create_test_nodegroup(
name='group-four',
cluster_id=cluster.uuid,
flavor_id=2,
uuid=uuidutils.generate_uuid(),
node_count=3)
filters = {'name': 'group-one'}
res = self.dbapi.list_cluster_nodegroups(
self.context, cluster.uuid, filters=filters)
self.assertEqual([group1.id], [r.id for r in res])
filters = {'node_count': 1}
res = self.dbapi.list_cluster_nodegroups(
self.context, cluster.uuid, filters=filters)
self.assertEqual([group1.id, group2.id], [r.id for r in res])
filters = {'flavor_id': 2, 'node_count': 3}
res = self.dbapi.list_cluster_nodegroups(
self.context, cluster.uuid, filters=filters)
self.assertEqual([group3.id], [r.id for r in res])
filters = {'name': 'group-five'}
res = self.dbapi.list_cluster_nodegroups(
self.context, cluster.uuid, filters=filters)
self.assertEqual([], [r.id for r in res])
def test_destroy_nodegroup(self):
cluster = utils.create_test_cluster()
nodegroup = utils.create_test_nodegroup()
self.assertEqual(nodegroup.uuid, self.dbapi.get_nodegroup_by_uuid(
self.context, cluster.uuid, nodegroup.uuid).uuid)
self.dbapi.destroy_nodegroup(cluster.uuid, nodegroup.uuid)
self.assertRaises(exception.NodeGroupNotFound,
self.dbapi.get_nodegroup_by_uuid,
self.context, cluster.uuid, nodegroup.uuid)
self.assertRaises(exception.NodeGroupNotFound,
self.dbapi.destroy_nodegroup, cluster.uuid,
nodegroup.uuid)
def test_destroy_nodegroup_by_uuid(self):
cluster = utils.create_test_cluster()
nodegroup = utils.create_test_nodegroup()
self.assertIsNotNone(self.dbapi.get_nodegroup_by_uuid(self.context,
cluster.uuid,
nodegroup.uuid))
self.dbapi.destroy_nodegroup(cluster.uuid, nodegroup.uuid)
self.assertRaises(exception.NodeGroupNotFound,
self.dbapi.get_nodegroup_by_uuid, self.context,
cluster.uuid, nodegroup.uuid)
def test_destroy_cluster_by_uuid_that_does_not_exist(self):
self.assertRaises(exception.NodeGroupNotFound,
self.dbapi.destroy_nodegroup, 'c_uuid',
'12345678-9999-0000-aaaa-123456789012')
def test_update_cluster(self):
nodegroup = utils.create_test_nodegroup()
old_flavor = nodegroup.flavor_id
new_flavor = 5
self.assertNotEqual(old_flavor, new_flavor)
res = self.dbapi.update_nodegroup(nodegroup.cluster_id, nodegroup.id,
{'flavor_id': new_flavor})
self.assertEqual(new_flavor, res.flavor_id)
def test_update_nodegroup_not_found(self):
uuid = uuidutils.generate_uuid()
self.assertRaises(exception.NodeGroupNotFound,
self.dbapi.update_nodegroup, "c_uuid", uuid,
{'node_count': 5})