Implement wait_for_stack_ready
This is used to block until a stack returns a completed status, a failed status, or times out. Change-Id: Ia7d45331dd4dbdb5ac522eeedfba53bfa848d182
This commit is contained in:
Brad P. Crochet
Dougal Matthews
parent
f32c98501f
commit
bb804c6ce8
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# Copyright 2015 Red Hat, 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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#
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from unittest import TestCase
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import mock
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from rdomanager_oscplugin import utils
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class TestPasswordsUtil(TestCase):
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def test_generate_passwords(self):
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passwords = utils.generate_overcloud_passwords()
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passwords2 = utils.generate_overcloud_passwords()
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self.assertEqual(len(passwords), 13)
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self.assertNotEqual(passwords, passwords2)
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def test_check_hypervisor_stats(self):
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mock_compute = mock.Mock()
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mock_stats = mock.Mock()
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return_values = [
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{'count': 0, 'memory_mb': 0, 'vcpus': 0},
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{'count': 1, 'memory_mb': 1, 'vcpus': 1},
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]
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mock_stats.to_dict.side_effect = return_values
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mock_compute.hypervisors.statistics.return_value = mock_stats
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stats = utils.check_hypervisor_stats(
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mock_compute, nodes=1, memory=1, vcpu=1)
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self.assertEqual(stats, None)
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self.assertEqual(mock_stats.to_dict.call_count, 1)
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stats = utils.check_hypervisor_stats(
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mock_compute, nodes=1, memory=1, vcpu=1)
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self.assertEqual(stats, return_values[-1])
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self.assertEqual(mock_stats.to_dict.call_count, 2)
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@ -0,0 +1,124 @@
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# Copyright 2015 Red Hat, 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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#
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from unittest import TestCase
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import mock
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from rdomanager_oscplugin import utils
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class TestPasswordsUtil(TestCase):
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def test_generate_passwords(self):
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passwords = utils.generate_overcloud_passwords()
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passwords2 = utils.generate_overcloud_passwords()
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self.assertEqual(len(passwords), 13)
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self.assertNotEqual(passwords, passwords2)
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class TestCheckHypervisorUtil(TestCase):
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def test_check_hypervisor_stats(self):
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mock_compute = mock.Mock()
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mock_stats = mock.Mock()
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return_values = [
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{'count': 0, 'memory_mb': 0, 'vcpus': 0},
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{'count': 1, 'memory_mb': 1, 'vcpus': 1},
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]
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mock_stats.to_dict.side_effect = return_values
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mock_compute.hypervisors.statistics.return_value = mock_stats
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stats = utils.check_hypervisor_stats(
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mock_compute, nodes=1, memory=1, vcpu=1)
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self.assertEqual(stats, None)
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self.assertEqual(mock_stats.to_dict.call_count, 1)
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stats = utils.check_hypervisor_stats(
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mock_compute, nodes=1, memory=1, vcpu=1)
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self.assertEqual(stats, return_values[-1])
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self.assertEqual(mock_stats.to_dict.call_count, 2)
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class TestWaitForStackUtil(TestCase):
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def setUp(self):
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self.mock_orchestration = mock.Mock()
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self.mock_stacks = mock.MagicMock()
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self.stack_status = mock.PropertyMock()
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type(self.mock_stacks).stack_status = self.stack_status
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self.mock_orchestration.stacks.get.return_value = self.mock_stacks
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def test_wait_for_stack_ready(self):
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self.mock_orchestration.reset_mock()
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self.mock_stacks.reset_mock()
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return_values = [
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'CREATE_COMPLETE'
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]
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self.stack_status.side_effect = return_values
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complete = utils.wait_for_stack_ready(self.mock_orchestration, 'stack')
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self.assertEqual(complete, True)
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def test_wait_for_stack_ready_no_stack(self):
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self.mock_orchestration.reset_mock()
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self.mock_orchestration.stacks.get.return_value = None
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complete = utils.wait_for_stack_ready(self.mock_orchestration, 'stack')
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self.mock_orchestration.stacks.get.return_value = self.mock_stacks
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self.assertEqual(complete, False)
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def test_wait_for_stack_ready_failed(self):
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self.mock_orchestration.reset_mock()
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self.mock_stacks.reset_mock()
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return_values = [
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'CREATE_FAILED'
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]
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self.stack_status.side_effect = return_values
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complete = utils.wait_for_stack_ready(self.mock_orchestration, 'stack')
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self.assertEqual(complete, False)
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def test_wait_for_stack_ready_timeout(self):
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self.mock_orchestration.reset_mock()
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self.mock_stacks.reset_mock()
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return_values = [
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mock.Mock(stack_status='CREATE_RUNNING'),
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mock.Mock(stack_status='CREATE_RUNNING'),
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mock.Mock(stack_status='CREATE_RUNNING'),
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mock.Mock(stack_status='CREATE_RUNNING'),
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mock.Mock(stack_status='CREATE_COMPLETE')
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]
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# self.stack_status.side_effect = return_values
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self.mock_orchestration.stacks.get.side_effect = return_values
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complete = utils.wait_for_stack_ready(
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self.mock_orchestration, 'stack', loops=4, sleep=0.1)
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self.assertEqual(complete, False)
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@ -14,7 +14,9 @@
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#
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import hashlib
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import re
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import six
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import time
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import uuid
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@ -78,3 +80,43 @@ def check_hypervisor_stats(compute_client, nodes=1, memory=0, vcpu=0):
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return statistics
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else:
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return None
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def wait_for_stack_ready(
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orchestration_client, stack_name, loops=220, sleep=10):
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"""Check the status of an orchestration stack
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Get the status of an orchestration stack and check whether it is complete
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or failed.
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:param orchestration_client: Instance of Orchestration client
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:type orchestration_client: heatclient.v1.client.Client
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:param stack_name: Name or UUID of stack to retrieve
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:type stack_name: string
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:param loops: How many times to loop
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:type loops: int
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:param sleep: How long to sleep between loops
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:type sleep: int
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"""
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SUCCESSFUL_MATCH_OUTPUT = "(CREATE|UPDATE)_COMPLETE"
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FAIL_MATCH_OUTPUT = "(CREATE|UPDATE)_FAILED"
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for _ in range(0, loops):
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stack = orchestration_client.stacks.get(stack_name)
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if not stack:
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return False
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status = stack.stack_status
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if re.match(SUCCESSFUL_MATCH_OUTPUT, status):
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return True
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if re.match(FAIL_MATCH_OUTPUT, status):
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return False
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time.sleep(sleep)
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return False
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