86 lines
3.0 KiB
Python
86 lines
3.0 KiB
Python
# Copyright 2015 Akanda, Inc
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#
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# Author: Akanda, Inc
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import copy
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import mock
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import time
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from six.moves import range
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from astara.pez import pool as ak_pool
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from astara.test.unit import base
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class MockInstance(object):
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id = 'fake_instace_uuid'
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name = 'fake_name'
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status = ak_pool.ACTIVE
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class PoolManagerTest(base.RugTestBase):
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def setUp(self):
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self.image_uuid = 'fake_image'
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self.flavor = 'fake_flavor'
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self.mgt_net_id = 'fake_mgt_net_id'
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self.pool_size = 3
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self.resource = 'router'
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super(PoolManagerTest, self).setUp()
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self.pool_manager = ak_pool.PezPoolManager(
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self.image_uuid,
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self.flavor,
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self.pool_size,
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self.mgt_net_id,
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)
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def _create_pool(self, num=3, status=ak_pool.ACTIVE):
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pool = [MockInstance() for i in range(0, num)]
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[setattr(p, 'status', status) for p in pool]
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return {self.resource: pool}
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@mock.patch('astara.pez.pool.PezPoolManager.delete_instance')
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def test__check_err_instances(self, mock_delete):
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pool = self._create_pool()
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pool[self.resource][1].id = 'errored_instance_id'
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pool[self.resource][1].status = ak_pool.ERROR
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deleting_instance = copy.copy(pool[self.resource][1])
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deleting_instance.status = ak_pool.DELETING
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mock_delete.return_value = deleting_instance
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self.pool_manager._check_err_instances(pool)
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self.assertIn(deleting_instance, pool[self.resource])
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mock_delete.assert_called_with('errored_instance_id')
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def test__check_del_instances(self):
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self.time_patch.stop()
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pool = self._create_pool(num=1, status=ak_pool.DELETING)
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self.pool_manager.delete_timeout = .01
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res = self.pool_manager._check_del_instances(pool)
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# deletion hasn't timed out yet
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self.assertEqual(len(res), 0)
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# the deleting instance is added to the counter
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self.assertIn(
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pool[self.resource][0].id, self.pool_manager._delete_counters)
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# A stuck instance is reported back as such
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time.sleep(.02)
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res = self.pool_manager._check_del_instances(pool)
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self.assertIn(pool[self.resource][0], res)
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# once an instance is completely deleted, its counter is removed
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self.pool_manager._check_del_instances({self.resource: []})
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self.assertNotIn(
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pool[self.resource][0], self.pool_manager._delete_counters)
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