Make the update policy timeout check into a unit test
There are a lot of repeated tests here, the one that looks unique is the one that tests a timed out replacement. This is an instance group method so it is moved to test_instance_group and it is reworked to not need a stack creation. Part of blueprint decouple-nested Change-Id: I4406ee772568ea24edfb34e43891f600e9de4573
This commit is contained in:
Angus Salkeld
parent
f2450abda0
commit
33f26722b9
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@ -11,23 +11,16 @@
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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 json
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import mox
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import mock
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from oslo.config import cfg
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import six
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from testtools import matchers
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from heat.common import exception
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from heat.common import template_format
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from heat.engine.clients.os import nova
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from heat.engine import function
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from heat.engine.notification import stack as notification
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from heat.engine import parser
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from heat.engine.resources.aws import wait_condition_handle as aws_wch
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from heat.engine.resources import instance
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from heat.engine.resources import loadbalancer as lb
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from heat.engine import rsrc_defn
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from heat.tests import common
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from heat.tests import utils
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from heat.tests.v1_1 import fakes as fakes_v1_1
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@ -210,107 +203,6 @@ class AutoScalingGroupTest(common.HeatTestCase):
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cfg.CONF.set_default('heat_waitcondition_server_url',
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'http://127.0.0.1:8000/v1/waitcondition')
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def _stub_validate(self):
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self.m.StubOutWithMock(parser.Stack, 'validate')
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parser.Stack.validate().MultipleTimes()
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def _stub_lb_create(self):
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self.m.StubOutWithMock(aws_wch.WaitConditionHandle, 'get_status')
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aws_wch.WaitConditionHandle.get_status().AndReturn(['SUCCESS'])
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def _stub_lb_reload(self, num=1, setup=True):
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if setup:
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self.m.StubOutWithMock(lb.LoadBalancer, 'handle_update')
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for i in range(num):
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lb.LoadBalancer.handle_update(
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mox.IgnoreArg(), mox.IgnoreArg(),
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mox.IgnoreArg()).AndReturn(None)
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def _stub_grp_create(self, capacity=0, setup_lb=True):
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"""
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Expect creation of instances to capacity. By default, expect creation
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of load balancer unless specified.
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"""
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self._stub_validate()
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self.m.StubOutWithMock(instance.Instance, 'handle_create')
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self.m.StubOutWithMock(instance.Instance, 'check_create_complete')
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self.m.StubOutWithMock(notification, 'send')
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notification.send(mox.IgnoreArg()).MultipleTimes().AndReturn(None)
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cookie = object()
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self.m.StubOutWithMock(nova.NovaClientPlugin, '_create')
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nova.NovaClientPlugin._create().AndReturn(self.fc)
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# for load balancer setup
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if setup_lb:
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self._stub_lb_create()
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self._stub_lb_reload()
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instance.Instance.handle_create().AndReturn(cookie)
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instance.Instance.check_create_complete(cookie).AndReturn(True)
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# for each instance in group
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for i in range(capacity):
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instance.Instance.handle_create().AndReturn(cookie)
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instance.Instance.check_create_complete(cookie).AndReturn(True)
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def _stub_grp_replace(self,
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num_creates_expected_on_updt=0,
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num_deletes_expected_on_updt=0,
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num_reloads_expected_on_updt=0):
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"""
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Expect replacement of the capacity by batch size
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"""
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# for load balancer setup
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self._stub_lb_reload(num_reloads_expected_on_updt)
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self.m.StubOutWithMock(notification, 'send')
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notification.send(mox.IgnoreArg()).MultipleTimes().AndReturn(None)
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# for instances in the group
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self.m.StubOutWithMock(instance.Instance, 'handle_create')
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self.m.StubOutWithMock(instance.Instance, 'check_create_complete')
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self.m.StubOutWithMock(instance.Instance, 'destroy')
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cookie = object()
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for i in range(num_creates_expected_on_updt):
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instance.Instance.handle_create().AndReturn(cookie)
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instance.Instance.check_create_complete(cookie).AndReturn(True)
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for i in range(num_deletes_expected_on_updt):
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instance.Instance.destroy().AndReturn(None)
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def _stub_grp_update(self,
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num_creates_expected_on_updt=0,
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num_deletes_expected_on_updt=0,
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num_reloads_expected_on_updt=0):
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"""
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Expect update of the instances
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"""
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def activate_status(server):
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server.status = 'VERIFY_RESIZE'
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return_server = self.fc.servers.list()[1]
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return_server.id = '1234'
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return_server.get = activate_status.__get__(return_server)
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self.m.StubOutWithMock(self.fc.servers, 'get')
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self.m.StubOutWithMock(self.fc.client, 'post_servers_1234_action')
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self.fc.servers.get(
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mox.IgnoreArg()).MultipleTimes().AndReturn(return_server)
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self.fc.client.post_servers_1234_action(
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body={'resize': {'flavorRef': 3}}
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).MultipleTimes().AndReturn((202, None))
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self.fc.client.post_servers_1234_action(
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body={'confirmResize': None}
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).MultipleTimes().AndReturn((202, None))
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self._stub_grp_replace(num_creates_expected_on_updt,
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num_deletes_expected_on_updt,
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num_reloads_expected_on_updt)
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def get_launch_conf_name(self, stack, ig_name):
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return stack[ig_name].properties['LaunchConfigurationName']
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@ -424,6 +316,20 @@ class AutoScalingGroupTest(common.HeatTestCase):
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expected = {u'UpdatePolicy': updated_policy}
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self.assertEqual(expected, tmpl_diff)
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# test application of the new update policy in handle_update
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update_snippet = rsrc_defn.ResourceDefinition(
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current_grp.name,
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current_grp.type(),
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properties=updated_grp.t['Properties'],
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update_policy=updated_policy)
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current_grp._try_rolling_update = mock.MagicMock()
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current_grp.adjust = mock.MagicMock()
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current_grp.handle_update(update_snippet, tmpl_diff, None)
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if updated_policy is None:
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self.assertEqual({}, current_grp.update_policy.data)
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else:
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self.assertEqual(updated_policy, current_grp.update_policy.data)
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def test_update_policy_added(self):
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self.validate_update_policy_diff(asg_tmpl_without_updt_policy,
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asg_tmpl_with_updt_policy)
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@ -441,139 +347,3 @@ class AutoScalingGroupTest(common.HeatTestCase):
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def test_update_policy_removed(self):
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self.validate_update_policy_diff(asg_tmpl_with_updt_policy,
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asg_tmpl_without_updt_policy)
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def test_autoscaling_group_update_policy_removed(self):
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# setup stack from the initial template
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tmpl = template_format.parse(asg_tmpl_with_updt_policy)
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stack = utils.parse_stack(tmpl)
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self.stub_ImageConstraint_validate()
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self.stub_KeypairConstraint_validate()
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self.stub_FlavorConstraint_validate()
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self.m.ReplayAll()
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stack.validate()
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self.m.VerifyAll()
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self.m.UnsetStubs()
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# test stack create
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size = int(stack['WebServerGroup'].properties['MinSize'])
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self._stub_grp_create(size)
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self.stub_ImageConstraint_validate()
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self.stub_FlavorConstraint_validate()
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self.m.ReplayAll()
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stack.create()
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self.m.VerifyAll()
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self.assertEqual(('CREATE', 'COMPLETE'), stack.state)
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# test that update policy is loaded
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current_grp = stack['WebServerGroup']
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self.assertIn('AutoScalingRollingUpdate', current_grp.update_policy)
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current_policy = current_grp.update_policy['AutoScalingRollingUpdate']
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self.assertTrue(current_policy)
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self.assertTrue(len(current_policy) > 0)
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init_updt_policy = tmpl['Resources']['WebServerGroup']['UpdatePolicy']
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init_roll_updt = init_updt_policy['AutoScalingRollingUpdate']
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init_batch_sz = int(init_roll_updt['MaxBatchSize'])
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self.assertEqual(init_batch_sz, int(current_policy['MaxBatchSize']))
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# test that physical resource name of launch configuration is used
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conf = stack['LaunchConfig']
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conf_name_pattern = '%s-LaunchConfig-[a-zA-Z0-9]+$' % stack.name
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self.assertThat(conf.FnGetRefId(),
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matchers.MatchesRegex(conf_name_pattern))
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# test the number of instances created
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nested = stack['WebServerGroup'].nested()
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self.assertEqual(size, len(nested.resources))
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# clean up for next test
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self.m.UnsetStubs()
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# test stack update
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updated_tmpl = template_format.parse(asg_tmpl_without_updt_policy)
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updated_stack = utils.parse_stack(updated_tmpl)
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self._stub_grp_replace(num_creates_expected_on_updt=0,
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num_deletes_expected_on_updt=0,
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num_reloads_expected_on_updt=1)
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self.m.ReplayAll()
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stack.update(updated_stack)
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self.m.VerifyAll()
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self.assertEqual(('UPDATE', 'COMPLETE'), stack.state)
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# test that update policy is removed
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updated_grp = stack['WebServerGroup']
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self.assertFalse(updated_grp.update_policy['AutoScalingRollingUpdate'])
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def test_autoscaling_group_update_policy_check_timeout(self):
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# setup stack from the initial template
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tmpl = template_format.parse(asg_tmpl_with_updt_policy)
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stack = utils.parse_stack(tmpl)
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# test stack create
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size = int(stack['WebServerGroup'].properties['MinSize'])
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self._stub_grp_create(size)
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self.stub_ImageConstraint_validate()
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self.stub_FlavorConstraint_validate()
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self.m.ReplayAll()
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stack.create()
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self.m.VerifyAll()
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self.assertEqual(('CREATE', 'COMPLETE'), stack.state)
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# test that update policy is loaded
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current_grp = stack['WebServerGroup']
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self.assertIn('AutoScalingRollingUpdate', current_grp.update_policy)
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current_policy = current_grp.update_policy['AutoScalingRollingUpdate']
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self.assertTrue(current_policy)
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self.assertTrue(len(current_policy) > 0)
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init_updt_policy = tmpl['Resources']['WebServerGroup']['UpdatePolicy']
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init_roll_updt = init_updt_policy['AutoScalingRollingUpdate']
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init_batch_sz = int(init_roll_updt['MaxBatchSize'])
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self.assertEqual(init_batch_sz, int(current_policy['MaxBatchSize']))
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# test the number of instances created
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nested = stack['WebServerGroup'].nested()
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self.assertEqual(size, len(nested.resources))
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# clean up for next test
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self.m.UnsetStubs()
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# modify the pause time and test for error
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# the following test, effective_capacity is 12
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# batch_count = (effective_capacity + batch_size -1)//batch_size
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# = (12 + 2 - 1)//2 = 6
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# if (batch_count - 1)* pause_time > stack.time_out, to raise error
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# (6 - 1)*14*60 > 3600, so to raise error
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new_pause_time = 'PT14M'
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min_in_service = 10
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updt_template = json.loads(copy.deepcopy(asg_tmpl_with_updt_policy))
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group = updt_template['Resources']['WebServerGroup']
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policy = group['UpdatePolicy']['AutoScalingRollingUpdate']
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policy['PauseTime'] = new_pause_time
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policy['MinInstancesInService'] = min_in_service
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config = updt_template['Resources']['LaunchConfig']
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config['Properties']['ImageId'] = 'F17-x86_64-cfntools'
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updated_tmpl = template_format.parse(json.dumps(updt_template))
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updated_stack = utils.parse_stack(updated_tmpl)
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self.stub_KeypairConstraint_validate()
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self.stub_ImageConstraint_validate()
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self.stub_FlavorConstraint_validate()
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self.m.ReplayAll()
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stack.update(updated_stack)
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self.m.VerifyAll()
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self.assertEqual(('UPDATE', 'FAILED'), stack.state)
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# test that the update policy is updated
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updated_grp = stack['WebServerGroup']
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self.assertIn('AutoScalingRollingUpdate', updated_grp.update_policy)
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updated_policy = updated_grp.update_policy['AutoScalingRollingUpdate']
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self.assertTrue(updated_policy)
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self.assertTrue(len(updated_policy) > 0)
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self.assertEqual(new_pause_time, updated_policy['PauseTime'])
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# test that error message match
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expected_error_message = ('The current UpdatePolicy will result '
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'in stack update timeout.')
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self.assertIn(expected_error_message, stack.status_reason)
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@ -11,18 +11,15 @@
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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 json
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import mox
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from testtools import matchers
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import mock
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from heat.common import exception
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from heat.common import template_format
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from heat.engine.clients.os import nova
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from heat.engine import function
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from heat.engine import parser
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from heat.engine.resources import instance
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from heat.engine.resources import instance_group as instgrp
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from heat.engine import rsrc_defn
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from heat.tests import common
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from heat.tests import utils
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from heat.tests.v1_1 import fakes as fakes_v1_1
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@ -161,77 +158,6 @@ class InstanceGroupTest(common.HeatTestCase):
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super(InstanceGroupTest, self).setUp()
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self.fc = fakes_v1_1.FakeClient()
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def _stub_validate(self):
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self.m.StubOutWithMock(parser.Stack, 'validate')
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parser.Stack.validate().MultipleTimes()
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self.stub_ImageConstraint_validate()
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self.stub_KeypairConstraint_validate()
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self.stub_FlavorConstraint_validate()
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def _stub_grp_create(self, capacity):
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"""
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Expect creation of instances to capacity
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"""
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self._stub_validate()
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self.m.StubOutWithMock(instance.Instance, 'handle_create')
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self.m.StubOutWithMock(instance.Instance, 'check_create_complete')
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cookie = object()
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for x in range(capacity):
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instance.Instance.handle_create().AndReturn(cookie)
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instance.Instance.check_create_complete(cookie).AndReturn(True)
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def _stub_grp_replace(self,
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num_creates_expected_on_updt=0,
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num_deletes_expected_on_updt=0):
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"""
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Expect update replacement of the instances
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"""
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self._stub_validate()
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self.m.StubOutWithMock(instance.Instance, 'handle_create')
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self.m.StubOutWithMock(instance.Instance, 'check_create_complete')
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self.m.StubOutWithMock(instance.Instance, 'destroy')
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cookie = object()
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for i in range(num_creates_expected_on_updt):
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instance.Instance.handle_create().AndReturn(cookie)
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instance.Instance.check_create_complete(cookie).AndReturn(True)
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for i in range(num_deletes_expected_on_updt):
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instance.Instance.destroy().AndReturn(None)
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def _stub_grp_update(self,
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num_creates_expected_on_updt=0,
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num_deletes_expected_on_updt=0):
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"""
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Expect update of the instances
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"""
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self.m.StubOutWithMock(nova.NovaClientPlugin, '_create')
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nova.NovaClientPlugin._create().AndReturn(self.fc)
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def activate_status(server):
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server.status = 'VERIFY_RESIZE'
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return_server = self.fc.servers.list()[1]
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return_server.id = '1234'
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return_server.get = activate_status.__get__(return_server)
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self.m.StubOutWithMock(self.fc.servers, 'get')
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self.m.StubOutWithMock(self.fc.client, 'post_servers_1234_action')
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self.fc.servers.get(
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mox.IgnoreArg()).MultipleTimes().AndReturn(return_server)
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self.fc.client.post_servers_1234_action(
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body={'resize': {'flavorRef': 3}}
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).MultipleTimes().AndReturn((202, None))
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self.fc.client.post_servers_1234_action(
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body={'confirmResize': None}
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).MultipleTimes().AndReturn((202, None))
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self._stub_grp_replace(num_creates_expected_on_updt,
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num_deletes_expected_on_updt)
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def get_launch_conf_name(self, stack, ig_name):
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return stack[ig_name].properties['LaunchConfigurationName']
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@ -339,6 +265,20 @@ class InstanceGroupTest(common.HeatTestCase):
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expected = {u'UpdatePolicy': updated_policy}
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self.assertEqual(expected, tmpl_diff)
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# test application of the new update policy in handle_update
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update_snippet = rsrc_defn.ResourceDefinition(
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current_grp.name,
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current_grp.type(),
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properties=updated_grp.t['Properties'],
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update_policy=updated_policy)
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current_grp._try_rolling_update = mock.MagicMock()
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current_grp.resize = mock.MagicMock()
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current_grp.handle_update(update_snippet, tmpl_diff, None)
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if updated_policy is None:
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self.assertEqual({}, current_grp.update_policy.data)
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else:
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self.assertEqual(updated_policy, current_grp.update_policy.data)
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def test_update_policy_added(self):
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self.validate_update_policy_diff(ig_tmpl_without_updt_policy,
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ig_tmpl_with_updt_policy)
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@ -357,112 +297,26 @@ class InstanceGroupTest(common.HeatTestCase):
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self.validate_update_policy_diff(ig_tmpl_with_updt_policy,
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ig_tmpl_without_updt_policy)
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def test_instance_group_update_policy_removed(self):
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# setup stack from the initial template
|
||||
tmpl = template_format.parse(ig_tmpl_with_updt_policy)
|
||||
stack = utils.parse_stack(tmpl)
|
||||
class InstanceGroupReplaceTest(common.HeatTestCase):
|
||||
def test_timeout_exception(self):
|
||||
t = template_format.parse(ig_tmpl_with_updt_policy)
|
||||
stack = utils.parse_stack(t)
|
||||
|
||||
# test stack create
|
||||
size = int(stack['JobServerGroup'].properties['Size'])
|
||||
self._stub_grp_create(size)
|
||||
self.m.ReplayAll()
|
||||
stack.create()
|
||||
self.m.VerifyAll()
|
||||
self.assertEqual(('CREATE', 'COMPLETE'), stack.state)
|
||||
defn = rsrc_defn.ResourceDefinition(
|
||||
'asg', 'OS::Heat::InstanceGroup',
|
||||
{'Size': 2,
|
||||
'AvailabilityZones': ['zoneb'],
|
||||
"LaunchConfigurationName": "LaunchConfig",
|
||||
"LoadBalancerNames": ["ElasticLoadBalancer"]})
|
||||
|
||||
# test that update policy is loaded
|
||||
current_grp = stack['JobServerGroup']
|
||||
self.assertIn('RollingUpdate', current_grp.update_policy)
|
||||
current_policy = current_grp.update_policy['RollingUpdate']
|
||||
self.assertTrue(current_policy)
|
||||
self.assertTrue(len(current_policy) > 0)
|
||||
init_grp_tmpl = tmpl['Resources']['JobServerGroup']
|
||||
init_roll_updt = init_grp_tmpl['UpdatePolicy']['RollingUpdate']
|
||||
init_batch_sz = int(init_roll_updt['MaxBatchSize'])
|
||||
self.assertEqual(init_batch_sz, int(current_policy['MaxBatchSize']))
|
||||
# the following test, effective_capacity is 12
|
||||
# batch_count = (effective_capacity + batch_size -1)//batch_size
|
||||
# = (12 + 2 - 1)//2 = 6
|
||||
# if (batch_count - 1)* pause_time > stack.time_out, to raise error
|
||||
# (6 - 1)*14*60 > 3600, so to raise error
|
||||
|
||||
# test that physical resource name of launch configuration is used
|
||||
conf = stack['JobServerConfig']
|
||||
conf_name_pattern = '%s-JobServerConfig-[a-zA-Z0-9]+$' % stack.name
|
||||
self.assertThat(conf.FnGetRefId(),
|
||||
matchers.MatchesRegex(conf_name_pattern))
|
||||
|
||||
# test the number of instances created
|
||||
nested = stack['JobServerGroup'].nested()
|
||||
self.assertEqual(size, len(nested.resources))
|
||||
|
||||
# test stack update
|
||||
updated_tmpl = template_format.parse(ig_tmpl_without_updt_policy)
|
||||
updated_stack = utils.parse_stack(updated_tmpl)
|
||||
stack.update(updated_stack)
|
||||
self.assertEqual(('UPDATE', 'COMPLETE'), stack.state)
|
||||
|
||||
# test that update policy is removed
|
||||
updated_grp = stack['JobServerGroup']
|
||||
self.assertFalse(updated_grp.update_policy['RollingUpdate'])
|
||||
|
||||
def test_instance_group_update_policy_check_timeout(self):
|
||||
|
||||
# setup stack from the initial template
|
||||
tmpl = template_format.parse(ig_tmpl_with_updt_policy)
|
||||
stack = utils.parse_stack(tmpl)
|
||||
|
||||
# test stack create
|
||||
size = int(stack['JobServerGroup'].properties['Size'])
|
||||
self._stub_grp_create(size)
|
||||
self.m.ReplayAll()
|
||||
stack.create()
|
||||
self.m.VerifyAll()
|
||||
self.assertEqual(('CREATE', 'COMPLETE'), stack.state)
|
||||
|
||||
# test that update policy is loaded
|
||||
current_grp = stack['JobServerGroup']
|
||||
self.assertIn('RollingUpdate', current_grp.update_policy)
|
||||
current_policy = current_grp.update_policy['RollingUpdate']
|
||||
self.assertTrue(current_policy)
|
||||
self.assertTrue(len(current_policy) > 0)
|
||||
init_grp_tmpl = tmpl['Resources']['JobServerGroup']
|
||||
init_roll_updt = init_grp_tmpl['UpdatePolicy']['RollingUpdate']
|
||||
init_batch_sz = int(init_roll_updt['MaxBatchSize'])
|
||||
self.assertEqual(init_batch_sz, int(current_policy['MaxBatchSize']))
|
||||
|
||||
# test the number of instances created
|
||||
nested = stack['JobServerGroup'].nested()
|
||||
self.assertEqual(size, len(nested.resources))
|
||||
|
||||
# clean up for next test
|
||||
self.m.UnsetStubs()
|
||||
|
||||
# modify the pause time and test for error
|
||||
new_pause_time = 'PT30M'
|
||||
updt_template = json.loads(copy.deepcopy(ig_tmpl_with_updt_policy))
|
||||
group = updt_template['Resources']['JobServerGroup']
|
||||
policy = group['UpdatePolicy']['RollingUpdate']
|
||||
policy['PauseTime'] = new_pause_time
|
||||
config = updt_template['Resources']['JobServerConfig']
|
||||
config['Properties']['ImageId'] = 'bar'
|
||||
updated_tmpl = template_format.parse(json.dumps(updt_template))
|
||||
updated_stack = utils.parse_stack(updated_tmpl)
|
||||
|
||||
self.stub_KeypairConstraint_validate()
|
||||
self.stub_ImageConstraint_validate()
|
||||
self.stub_FlavorConstraint_validate()
|
||||
self.m.ReplayAll()
|
||||
stack.update(updated_stack)
|
||||
self.assertEqual(('UPDATE', 'FAILED'), stack.state)
|
||||
|
||||
# test that the update policy is updated
|
||||
updated_grp = stack['JobServerGroup']
|
||||
self.assertIn('RollingUpdate', updated_grp.update_policy)
|
||||
updated_policy = updated_grp.update_policy['RollingUpdate']
|
||||
self.assertTrue(updated_policy)
|
||||
self.assertTrue(len(updated_policy) > 0)
|
||||
self.assertEqual(new_pause_time, updated_policy['PauseTime'])
|
||||
|
||||
# test that error message match
|
||||
expected_error_message = ('The current UpdatePolicy will result '
|
||||
'in stack update timeout.')
|
||||
self.assertIn(expected_error_message, stack.status_reason)
|
||||
|
||||
self.m.VerifyAll()
|
||||
group = instgrp.InstanceGroup('asg', defn, stack)
|
||||
group.nested = mock.MagicMock(return_value=range(12))
|
||||
self.assertRaises(ValueError,
|
||||
group._replace, 10, 1, 14 * 60)
|
||||
|
|
|
|||
Loading…
Reference in New Issue