147 lines
5.9 KiB
Python
147 lines
5.9 KiB
Python
#
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# Copyright (c) 2020 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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import itertools
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import mock
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from dcmanager.common import consts
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from dcmanager.manager.states.lock_host import DEFAULT_MAX_QUERIES
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from dcmanager.tests.unit.manager.states.upgrade.test_base \
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import FakeController
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from dcmanager.tests.unit.manager.states.upgrade.test_base \
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import TestSwUpgradeState
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CONTROLLER_0_UNLOCKED = FakeController(administrative=consts.ADMIN_UNLOCKED)
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CONTROLLER_0_LOCKED = FakeController(administrative=consts.ADMIN_LOCKED)
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CONTROLLER_0_LOCKING = FakeController(administrative=consts.ADMIN_UNLOCKED,
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ihost_action='lock',
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task='Locking')
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CONTROLLER_0_LOCKING_FAILED = \
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FakeController(administrative=consts.ADMIN_UNLOCKED,
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ihost_action='force-swact',
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task='Swacting')
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class TestSwUpgradeLockControllerStage(TestSwUpgradeState):
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def setUp(self):
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super(TestSwUpgradeLockControllerStage, self).setUp()
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# next state after a successful lock is upgrading simplex
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self.on_success_state = consts.STRATEGY_STATE_UPGRADING_SIMPLEX
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# Add the strategy_step state being processed by this unit test
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self.strategy_step = \
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self.setup_strategy_step(consts.STRATEGY_STATE_LOCKING_CONTROLLER)
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# Add mock API endpoints for sysinv client calls invcked by this state
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self.sysinv_client.get_host = mock.MagicMock()
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self.sysinv_client.lock_host = mock.MagicMock()
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def test_lock_success(self):
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"""Test the lock command returns a success"""
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# mock the controller host queries
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# first query is the starting state
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# query 2,3 are are during the lock phase
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# query 4 : the host is now locked
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self.sysinv_client.get_host.side_effect = [CONTROLLER_0_UNLOCKED,
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CONTROLLER_0_LOCKING,
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CONTROLLER_0_LOCKING,
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CONTROLLER_0_LOCKED]
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# mock the API call as failed on the subcloud
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self.sysinv_client.lock_host.return_value = CONTROLLER_0_LOCKING
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# invoke the strategy state operation on the orch thread
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self.worker.perform_state_action(self.strategy_step)
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# verify the lock command was actually attempted
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self.sysinv_client.lock_host.assert_called()
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# verify that the API moved to the next state on success
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self.assert_step_updated(self.strategy_step.subcloud_id,
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self.on_success_state)
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def test_lock_skipped_when_already_locked(self):
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"""Test the lock command skips if host is already locked"""
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# mock the controller host query as being already locked
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self.sysinv_client.get_host.return_value = CONTROLLER_0_LOCKED
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# invoke the strategy state operation on the orch thread
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self.worker.perform_state_action(self.strategy_step)
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# verify the lock command was never attempted
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self.sysinv_client.lock_host.assert_not_called()
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# verify that the state moves to the next state
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self.assert_step_updated(self.strategy_step.subcloud_id,
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self.on_success_state)
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def test_lock_attempt_timeout(self):
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"""Test lock invoked and fails if timeout before host becomes locked"""
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# mock the get_host queries
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# first query is the starting state
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# all remaining queries, the host returns 'locking'
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self.sysinv_client.get_host.side_effect = itertools.chain(
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[CONTROLLER_0_UNLOCKED, ],
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itertools.repeat(CONTROLLER_0_LOCKING))
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# mock the API call as successful on the subcloud
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self.sysinv_client.lock_host.return_value = CONTROLLER_0_LOCKING
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# invoke the strategy state operation on the orch thread
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self.worker.perform_state_action(self.strategy_step)
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# verify the lock command was actually attempted
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self.sysinv_client.lock_host.assert_called()
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# verify the query was invoked: 1 + max_attempts times
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self.assertEqual(DEFAULT_MAX_QUERIES + 1,
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self.sysinv_client.get_host.call_count)
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# verify that state failed due to subcloud never finishing the lock
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self.assert_step_updated(self.strategy_step.subcloud_id,
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consts.STRATEGY_STATE_FAILED)
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def test_lock_failure(self):
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"""Test the lock command returns a failure"""
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# mock the controller get_host query
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self.sysinv_client.get_host.return_value = CONTROLLER_0_UNLOCKED
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# mock the API call as failed on the subcloud
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self.sysinv_client.lock_host.return_value = CONTROLLER_0_LOCKING_FAILED
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# invoke the strategy state operation on the orch thread
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self.worker.perform_state_action(self.strategy_step)
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# verify the lock command was actually attempted
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self.sysinv_client.lock_host.assert_called()
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# verify that the API error for the lock leads to a failed state
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self.assert_step_updated(self.strategy_step.subcloud_id,
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consts.STRATEGY_STATE_FAILED)
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def test_lock_fails_when_host_query_fails(self):
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"""Test the lock command fails when it cannot get the controllers"""
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# mock the get_host query is empty and raises an exception
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self.sysinv_client.get_host.side_effect = \
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Exception("Unable to find host controller-0")
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# invoke the strategy state operation on the orch thread
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self.worker.perform_state_action(self.strategy_step)
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# verify the lock command was never attempted
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self.sysinv_client.lock_host.assert_not_called()
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# verify that the state moves to the next state
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self.assert_step_updated(self.strategy_step.subcloud_id,
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consts.STRATEGY_STATE_FAILED)
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