836 lines
32 KiB
Python
836 lines
32 KiB
Python
#
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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 datetime
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import mox
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from oslo.config import cfg
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from oslo.utils import timeutils
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import six
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from heat.common import exception
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from heat.common import grouputils
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from heat.common import short_id
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from heat.common import template_format
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from heat.engine.notification import autoscaling as notification
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from heat.engine import parser
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from heat.engine import resource
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from heat.engine.resources import instance
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from heat.engine.resources import loadbalancer
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from heat.engine.resources.neutron import loadbalancer as neutron_lb
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from heat.engine.resources import server
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from heat.engine import rsrc_defn
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from heat.engine import scheduler
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from heat.tests.autoscaling import inline_templates
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from heat.tests import common
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from heat.tests import utils
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as_template = inline_templates.as_template
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as_template_bad_group = '''
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{
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"AWSTemplateFormatVersion" : "2010-09-09",
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"Parameters" : {
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"ImageId": {"Type": "String"},
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"KeyName": {"Type": "String"}
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},
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"Resources" : {
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"WebServerScaleUpPolicy" : {
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"Type" : "AWS::AutoScaling::ScalingPolicy",
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"Properties" : {
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"AdjustmentType" : "ChangeInCapacity",
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"AutoScalingGroupName" : "not a real group",
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"Cooldown" : "60",
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"ScalingAdjustment" : "1"
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}
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}
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}
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}
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'''
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class AutoScalingTest(common.HeatTestCase):
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dummy_instance_id = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa'
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params = {'KeyName': 'test', 'ImageId': 'foo'}
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params_HoT = {'flavor': 'test', 'image': 'foo'}
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def setUp(self):
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super(AutoScalingTest, self).setUp()
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cfg.CONF.set_default('heat_waitcondition_server_url',
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'http://server.test:8000/v1/waitcondition')
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self.stub_keystoneclient()
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def create_scaling_group(self, t, stack, resource_name):
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# create the launch configuration resource
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conf = stack['LaunchConfig']
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self.assertIsNone(conf.validate())
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scheduler.TaskRunner(conf.create)()
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self.assertEqual((conf.CREATE, conf.COMPLETE), conf.state)
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# check bdm in configuration
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self.assertIsNotNone(conf.properties['BlockDeviceMappings'])
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# create the group resource
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rsrc = stack[resource_name]
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self.assertIsNone(rsrc.validate())
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scheduler.TaskRunner(rsrc.create)()
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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# check bdm in instance_definition
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instance_definition = rsrc._get_instance_definition()
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self.assertIn('BlockDeviceMappings',
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instance_definition['Properties'])
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return rsrc
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def create_scaling_group_hot(self, t, stack, resource_name):
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# create the group resource
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rsrc = stack[resource_name]
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self.assertIsNone(rsrc.validate())
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scheduler.TaskRunner(rsrc.create)()
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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return rsrc
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def create_scaling_policy(self, t, stack, resource_name):
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rsrc = stack[resource_name]
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self.assertIsNone(rsrc.validate())
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scheduler.TaskRunner(rsrc.create)()
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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return rsrc
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def _stub_create(self, num, with_error=None):
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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.stub_ImageConstraint_validate()
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self.stub_FlavorConstraint_validate()
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self.stub_SnapshotConstraint_validate()
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if with_error:
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instance.Instance.handle_create().AndRaise(
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exception.Error(with_error))
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return
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cookie = object()
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for x in range(num):
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instance.Instance.handle_create().AndReturn(cookie)
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instance.Instance.check_create_complete(cookie).AndReturn(False)
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instance.Instance.check_create_complete(
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cookie).MultipleTimes().AndReturn(True)
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def _stub_create_hot(self, num):
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self.m.StubOutWithMock(server.Server, 'handle_create')
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self.m.StubOutWithMock(server.Server, 'check_create_complete')
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self.m.StubOutWithMock(server.Server, 'validate')
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self.stub_ImageConstraint_validate()
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self.stub_FlavorConstraint_validate()
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server_test = object()
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for x in range(num):
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server.Server.handle_create().AndReturn(server_test)
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server.Server.check_create_complete(server_test).AndReturn(False)
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server.Server.check_create_complete(
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server_test).MultipleTimes().AndReturn(True)
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server.Server.validate().AndReturn(None)
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server.Server.validate().MultipleTimes().AndReturn(False)
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def _stub_delete(self, num):
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self.m.StubOutWithMock(instance.Instance, 'handle_delete')
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self.m.StubOutWithMock(instance.Instance, 'check_delete_complete')
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task = object()
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for x in range(num):
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instance.Instance.handle_delete().AndReturn(task)
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instance.Instance.check_delete_complete(task).AndReturn(False)
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instance.Instance.check_delete_complete(
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task).MultipleTimes().AndReturn(True)
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def _stub_suspend(self, cookies=None, with_error=None):
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cookies = cookies or []
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self.m.StubOutWithMock(instance.Instance, 'handle_suspend')
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self.m.StubOutWithMock(instance.Instance, 'check_suspend_complete')
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if with_error:
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instance.Instance.handle_suspend().AndRaise(
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exception.Error(with_error))
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return
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inst_cookies = cookies or [(object(), object(), object())]
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for cookie in inst_cookies:
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instance.Instance.handle_suspend().InAnyOrder().AndReturn(cookie)
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instance.Instance.check_suspend_complete(
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cookie).InAnyOrder().AndReturn(False)
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instance.Instance.check_suspend_complete(
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cookie).InAnyOrder().AndReturn(True)
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def _stub_resume(self, cookies=None, with_error=None):
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cookies = cookies or []
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self.m.StubOutWithMock(instance.Instance, 'handle_resume')
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self.m.StubOutWithMock(instance.Instance, 'check_resume_complete')
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if with_error:
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instance.Instance.handle_resume().AndRaise(
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exception.Error(with_error))
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return
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inst_cookies = cookies or [(object(), object(), object())]
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for cookie in inst_cookies:
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instance.Instance.handle_resume().InAnyOrder().AndReturn(cookie)
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instance.Instance.check_resume_complete(
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cookie).InAnyOrder().AndReturn(False)
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instance.Instance.check_resume_complete(
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cookie).InAnyOrder().AndReturn(True)
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def _stub_lb_reload(self, num, unset=True, nochange=False):
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expected_list = [self.dummy_instance_id] * num
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if unset:
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self.m.VerifyAll()
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self.m.UnsetStubs()
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if num > 0:
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self.m.StubOutWithMock(instance.Instance, 'FnGetRefId')
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instance.Instance.FnGetRefId().MultipleTimes().AndReturn(
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self.dummy_instance_id)
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if not nochange:
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self.m.StubOutWithMock(loadbalancer.LoadBalancer, 'handle_update')
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loadbalancer.LoadBalancer.handle_update(
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mox.IgnoreArg(), mox.IgnoreArg(),
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{'Instances': expected_list}).AndReturn(None)
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def _stub_scale_notification(self,
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adjust,
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groupname,
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start_capacity,
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adjust_type='ChangeInCapacity',
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end_capacity=None,
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with_error=None):
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self.m.StubOutWithMock(notification, 'send')
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notification.send(stack=mox.IgnoreArg(),
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adjustment=adjust,
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adjustment_type=adjust_type,
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capacity=start_capacity,
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groupname=mox.IgnoreArg(),
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suffix='start',
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message="Start resizing the group %s"
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% groupname,
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).AndReturn(False)
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if with_error:
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notification.send(stack=mox.IgnoreArg(),
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adjustment=adjust,
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capacity=start_capacity,
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adjustment_type=adjust_type,
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groupname=mox.IgnoreArg(),
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message='Nested stack update failed:'
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' Error: %s' % with_error,
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suffix='error',
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).AndReturn(False)
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else:
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notification.send(stack=mox.IgnoreArg(),
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adjustment=adjust,
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adjustment_type=adjust_type,
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capacity=end_capacity,
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groupname=mox.IgnoreArg(),
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message="End resizing the group %s"
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% groupname,
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suffix='end',
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).AndReturn(False)
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def _stub_meta_expected(self, now, data, nmeta=1):
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# Stop time at now
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self.m.StubOutWithMock(timeutils, 'utcnow')
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timeutils.utcnow().MultipleTimes().AndReturn(now)
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# Then set a stub to ensure the metadata update is as
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# expected based on the timestamp and data
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self.m.StubOutWithMock(resource.Resource, 'metadata_set')
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expected = {timeutils.strtime(now): data}
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# Note for ScalingPolicy, we expect to get a metadata
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# update for the policy and autoscaling group, so pass nmeta=2
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for x in range(nmeta):
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resource.Resource.metadata_set(expected).AndReturn(None)
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def test_scaling_group_update_replace(self):
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t = template_format.parse(as_template)
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stack = utils.parse_stack(t, params=self.params)
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self._stub_lb_reload(1)
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now = timeutils.utcnow()
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self._stub_meta_expected(now, 'ExactCapacity : 1')
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self._stub_create(1)
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self.m.ReplayAll()
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rsrc = self.create_scaling_group(t, stack, 'WebServerGroup')
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self.assertEqual(utils.PhysName(stack.name, rsrc.name),
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rsrc.FnGetRefId())
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self.assertEqual(1, len(grouputils.get_member_names(rsrc)))
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props = copy.copy(rsrc.properties.data)
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props['AvailabilityZones'] = ['foo']
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update_snippet = rsrc_defn.ResourceDefinition(rsrc.name,
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rsrc.type(),
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props)
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updater = scheduler.TaskRunner(rsrc.update, update_snippet)
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self.assertRaises(resource.UpdateReplace, updater)
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rsrc.delete()
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self.m.VerifyAll()
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def test_scaling_group_suspend(self):
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t = template_format.parse(as_template)
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stack = utils.parse_stack(t, params=self.params)
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self._stub_lb_reload(1)
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now = timeutils.utcnow()
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self._stub_meta_expected(now, 'ExactCapacity : 1')
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self._stub_create(1)
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self.m.ReplayAll()
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rsrc = self.create_scaling_group(t, stack, 'WebServerGroup')
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self.assertEqual(utils.PhysName(stack.name, rsrc.name),
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rsrc.FnGetRefId())
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self.assertEqual(1, len(grouputils.get_member_names(rsrc)))
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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self.m.VerifyAll()
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self.m.UnsetStubs()
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self._stub_suspend()
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self.m.ReplayAll()
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scheduler.TaskRunner(rsrc.suspend)()
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self.assertEqual((rsrc.SUSPEND, rsrc.COMPLETE), rsrc.state)
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rsrc.delete()
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self.m.VerifyAll()
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def test_scaling_group_resume(self):
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t = template_format.parse(as_template)
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stack = utils.parse_stack(t, params=self.params)
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self._stub_lb_reload(1)
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now = timeutils.utcnow()
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self._stub_meta_expected(now, 'ExactCapacity : 1')
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self._stub_create(1)
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self.m.ReplayAll()
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rsrc = self.create_scaling_group(t, stack, 'WebServerGroup')
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self.assertEqual(utils.PhysName(stack.name, rsrc.name),
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rsrc.FnGetRefId())
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self.assertEqual(1, len(grouputils.get_member_names(rsrc)))
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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self.m.VerifyAll()
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self.m.UnsetStubs()
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self._stub_resume()
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self.m.ReplayAll()
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rsrc.state_set(rsrc.SUSPEND, rsrc.COMPLETE)
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for i in rsrc.nested().values():
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i.state_set(rsrc.SUSPEND, rsrc.COMPLETE)
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scheduler.TaskRunner(rsrc.resume)()
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self.assertEqual((rsrc.RESUME, rsrc.COMPLETE), rsrc.state)
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rsrc.delete()
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self.m.VerifyAll()
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def test_scaling_group_suspend_multiple(self):
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t = template_format.parse(as_template)
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properties = t['Resources']['WebServerGroup']['Properties']
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properties['DesiredCapacity'] = '2'
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stack = utils.parse_stack(t, params=self.params)
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self._stub_lb_reload(2)
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now = timeutils.utcnow()
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self._stub_meta_expected(now, 'ExactCapacity : 2')
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self._stub_create(2)
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self.m.ReplayAll()
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rsrc = self.create_scaling_group(t, stack, 'WebServerGroup')
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self.assertEqual(utils.PhysName(stack.name, rsrc.name),
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rsrc.FnGetRefId())
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self.assertEqual(2, len(grouputils.get_member_names(rsrc)))
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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self.m.VerifyAll()
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self.m.UnsetStubs()
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self._stub_suspend(cookies=[('foo1', 'foo2', 'foo3'),
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('bar1', 'bar2', 'bar3')])
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self.m.ReplayAll()
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scheduler.TaskRunner(rsrc.suspend)()
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self.assertEqual((rsrc.SUSPEND, rsrc.COMPLETE), rsrc.state)
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rsrc.delete()
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self.m.VerifyAll()
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def test_scaling_group_resume_multiple(self):
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t = template_format.parse(as_template)
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properties = t['Resources']['WebServerGroup']['Properties']
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properties['DesiredCapacity'] = '2'
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stack = utils.parse_stack(t, params=self.params)
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self._stub_lb_reload(2)
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now = timeutils.utcnow()
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self._stub_meta_expected(now, 'ExactCapacity : 2')
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self._stub_create(2)
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self.m.ReplayAll()
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rsrc = self.create_scaling_group(t, stack, 'WebServerGroup')
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self.assertEqual(utils.PhysName(stack.name, rsrc.name),
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rsrc.FnGetRefId())
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self.assertEqual(2, len(grouputils.get_member_names(rsrc)))
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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self.m.VerifyAll()
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self.m.UnsetStubs()
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self._stub_resume(cookies=[('foo1', 'foo2', 'foo3'),
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('bar1', 'bar2', 'bar3')])
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self.m.ReplayAll()
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rsrc.state_set(rsrc.SUSPEND, rsrc.COMPLETE)
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for i in rsrc.nested().values():
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i.state_set(rsrc.SUSPEND, rsrc.COMPLETE)
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scheduler.TaskRunner(rsrc.resume)()
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self.assertEqual((rsrc.RESUME, rsrc.COMPLETE), rsrc.state)
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rsrc.delete()
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self.m.VerifyAll()
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def test_scaling_group_suspend_fail(self):
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t = template_format.parse(as_template)
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stack = utils.parse_stack(t, params=self.params)
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self._stub_lb_reload(1)
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now = timeutils.utcnow()
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self._stub_meta_expected(now, 'ExactCapacity : 1')
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self._stub_create(1)
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self.m.ReplayAll()
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rsrc = self.create_scaling_group(t, stack, 'WebServerGroup')
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self.assertEqual(utils.PhysName(stack.name, rsrc.name),
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rsrc.FnGetRefId())
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self.assertEqual(1, len(grouputils.get_member_names(rsrc)))
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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self.m.VerifyAll()
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self.m.UnsetStubs()
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self._stub_suspend(with_error='oops')
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self.m.ReplayAll()
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sus_task = scheduler.TaskRunner(rsrc.suspend)
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self.assertRaises(exception.ResourceFailure, sus_task, ())
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self.assertEqual((rsrc.SUSPEND, rsrc.FAILED), rsrc.state)
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self.assertEqual('Error: Resource SUSPEND failed: Error: oops',
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rsrc.status_reason)
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rsrc.delete()
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self.m.VerifyAll()
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def test_scaling_group_resume_fail(self):
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t = template_format.parse(as_template)
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stack = utils.parse_stack(t, params=self.params)
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self._stub_lb_reload(1)
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now = timeutils.utcnow()
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self._stub_meta_expected(now, 'ExactCapacity : 1')
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self._stub_create(1)
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self.m.ReplayAll()
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rsrc = self.create_scaling_group(t, stack, 'WebServerGroup')
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self.assertEqual(utils.PhysName(stack.name, rsrc.name),
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rsrc.FnGetRefId())
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self.assertEqual(1, len(grouputils.get_member_names(rsrc)))
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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self.m.VerifyAll()
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self.m.UnsetStubs()
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self._stub_resume(with_error='oops')
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self.m.ReplayAll()
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rsrc.state_set(rsrc.SUSPEND, rsrc.COMPLETE)
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for i in rsrc.nested().values():
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i.state_set(rsrc.SUSPEND, rsrc.COMPLETE)
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sus_task = scheduler.TaskRunner(rsrc.resume)
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self.assertRaises(exception.ResourceFailure, sus_task, ())
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self.assertEqual((rsrc.RESUME, rsrc.FAILED), rsrc.state)
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self.assertEqual('Error: Resource RESUME failed: Error: oops',
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rsrc.status_reason)
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rsrc.delete()
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self.m.VerifyAll()
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def test_scaling_group_create_error(self):
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t = template_format.parse(as_template)
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|
stack = utils.parse_stack(t, params=self.params)
|
|
|
|
self.m.StubOutWithMock(instance.Instance, 'handle_create')
|
|
self.m.StubOutWithMock(instance.Instance, 'check_create_complete')
|
|
instance.Instance.handle_create().AndRaise(Exception)
|
|
self.stub_ImageConstraint_validate()
|
|
self.stub_FlavorConstraint_validate()
|
|
self.stub_SnapshotConstraint_validate()
|
|
|
|
self.m.ReplayAll()
|
|
|
|
conf = stack['LaunchConfig']
|
|
self.assertIsNone(conf.validate())
|
|
scheduler.TaskRunner(conf.create)()
|
|
self.assertEqual((conf.CREATE, conf.COMPLETE), conf.state)
|
|
|
|
rsrc = stack['WebServerGroup']
|
|
self.assertIsNone(rsrc.validate())
|
|
self.assertRaises(exception.ResourceFailure,
|
|
scheduler.TaskRunner(rsrc.create))
|
|
self.assertEqual((rsrc.CREATE, rsrc.FAILED), rsrc.state)
|
|
|
|
self.assertEqual([], grouputils.get_members(rsrc))
|
|
|
|
self.m.VerifyAll()
|
|
|
|
def test_lb_reload_static_resolve(self):
|
|
t = template_format.parse(as_template)
|
|
properties = t['Resources']['ElasticLoadBalancer']['Properties']
|
|
properties['AvailabilityZones'] = {'Fn::GetAZs': ''}
|
|
|
|
self.m.StubOutWithMock(parser.Stack, 'get_availability_zones')
|
|
parser.Stack.get_availability_zones().MultipleTimes().AndReturn(
|
|
['abc', 'xyz'])
|
|
|
|
# Check that the Fn::GetAZs is correctly resolved
|
|
expected = {u'Type': u'AWS::ElasticLoadBalancing::LoadBalancer',
|
|
u'Properties': {'Instances': ['aaaabbbbcccc'],
|
|
u'Listeners': [{u'InstancePort': u'80',
|
|
u'LoadBalancerPort': u'80',
|
|
u'Protocol': u'HTTP'}],
|
|
u'AvailabilityZones': ['abc', 'xyz']}}
|
|
|
|
self.m.StubOutWithMock(short_id, 'generate_id')
|
|
short_id.generate_id().MultipleTimes().AndReturn('aaaabbbbcccc')
|
|
|
|
now = timeutils.utcnow()
|
|
self._stub_meta_expected(now, 'ExactCapacity : 1')
|
|
self._stub_create(1)
|
|
self.m.ReplayAll()
|
|
stack = utils.parse_stack(t, params=self.params)
|
|
|
|
lb = stack['ElasticLoadBalancer']
|
|
self.m.StubOutWithMock(lb, 'handle_update')
|
|
lb.handle_update(expected,
|
|
mox.IgnoreArg(),
|
|
mox.IgnoreArg()).AndReturn(None)
|
|
self.m.ReplayAll()
|
|
|
|
rsrc = self.create_scaling_group(t, stack, 'WebServerGroup')
|
|
self.assertEqual(utils.PhysName(stack.name, rsrc.name),
|
|
rsrc.FnGetRefId())
|
|
self.assertEqual(1, len(grouputils.get_member_names(rsrc)))
|
|
props = copy.copy(rsrc.properties.data)
|
|
props['Cooldown'] = '61'
|
|
update_snippet = rsrc_defn.ResourceDefinition(rsrc.name,
|
|
rsrc.type(),
|
|
props)
|
|
scheduler.TaskRunner(rsrc.update, update_snippet)()
|
|
|
|
rsrc.delete()
|
|
self.m.VerifyAll()
|
|
|
|
def test_lb_reload_members(self):
|
|
t = template_format.parse(as_template)
|
|
t['Resources']['ElasticLoadBalancer'] = {
|
|
'Type': 'OS::Neutron::LoadBalancer',
|
|
'Properties': {
|
|
'protocol_port': 8080,
|
|
'pool_id': 'pool123'
|
|
}
|
|
}
|
|
|
|
expected = {
|
|
'Type': 'OS::Neutron::LoadBalancer',
|
|
'Properties': {
|
|
'protocol_port': 8080,
|
|
'pool_id': 'pool123',
|
|
'members': [u'aaaabbbbcccc']}
|
|
}
|
|
|
|
self.m.StubOutWithMock(short_id, 'generate_id')
|
|
short_id.generate_id().MultipleTimes().AndReturn('aaaabbbbcccc')
|
|
|
|
self.m.StubOutWithMock(neutron_lb.LoadBalancer, 'handle_update')
|
|
neutron_lb.LoadBalancer.handle_update(expected,
|
|
mox.IgnoreArg(),
|
|
mox.IgnoreArg()).AndReturn(None)
|
|
|
|
now = timeutils.utcnow()
|
|
self._stub_meta_expected(now, 'ExactCapacity : 1')
|
|
self._stub_create(1)
|
|
self.m.ReplayAll()
|
|
stack = utils.parse_stack(t, params=self.params)
|
|
self.create_scaling_group(t, stack, 'WebServerGroup')
|
|
|
|
self.m.VerifyAll()
|
|
|
|
def test_lb_reload_invalid_resource(self):
|
|
t = template_format.parse(as_template)
|
|
t['Resources']['ElasticLoadBalancer'] = {
|
|
'Type': 'AWS::EC2::Volume',
|
|
'Properties': {
|
|
'AvailabilityZone': 'nova'
|
|
}
|
|
}
|
|
|
|
self._stub_create(1)
|
|
self.m.ReplayAll()
|
|
stack = utils.parse_stack(t, params=self.params)
|
|
error = self.assertRaises(
|
|
exception.ResourceFailure,
|
|
self.create_scaling_group, t, stack, 'WebServerGroup')
|
|
self.assertEqual(
|
|
"Error: Unsupported resource 'ElasticLoadBalancer' in "
|
|
"LoadBalancerNames",
|
|
six.text_type(error))
|
|
|
|
self.m.VerifyAll()
|
|
|
|
def test_scaling_policy_bad_group(self):
|
|
t = template_format.parse(as_template_bad_group)
|
|
stack = utils.parse_stack(t, params=self.params)
|
|
|
|
self.m.ReplayAll()
|
|
up_policy = self.create_scaling_policy(t, stack,
|
|
'WebServerScaleUpPolicy')
|
|
|
|
alarm_url = up_policy.FnGetAtt('AlarmUrl')
|
|
self.assertIsNotNone(alarm_url)
|
|
ex = self.assertRaises(exception.ResourceFailure, up_policy.signal)
|
|
self.assertIn('Alarm WebServerScaleUpPolicy could '
|
|
'not find scaling group', six.text_type(ex))
|
|
|
|
self.m.VerifyAll()
|
|
|
|
def test_scaling_up_meta_update(self):
|
|
t = template_format.parse(as_template)
|
|
|
|
# Add CustomLB (just AWS::EC2::Instance) to template
|
|
t['Resources']['MyCustomLB'] = {
|
|
'Type': 'AWS::EC2::Instance',
|
|
'ImageId': {'Ref': 'ImageId'},
|
|
'InstanceType': 'bar',
|
|
'Metadata': {
|
|
'IPs': {'Fn::GetAtt': ['WebServerGroup', 'InstanceList']}
|
|
}
|
|
}
|
|
stack = utils.parse_stack(t, params=self.params)
|
|
|
|
# Create initial group
|
|
self._stub_lb_reload(1)
|
|
now = timeutils.utcnow()
|
|
self._stub_meta_expected(now, 'ExactCapacity : 1')
|
|
self._stub_create(1)
|
|
|
|
self.m.ReplayAll()
|
|
rsrc = self.create_scaling_group(t, stack, 'WebServerGroup')
|
|
stack.resources['WebServerGroup'] = rsrc
|
|
self.assertEqual(1, len(grouputils.get_member_names(rsrc)))
|
|
|
|
# Scale up one
|
|
self._stub_lb_reload(2)
|
|
self._stub_meta_expected(now, 'ChangeInCapacity : 1', 2)
|
|
self._stub_create(1)
|
|
|
|
self.m.ReplayAll()
|
|
up_policy = self.create_scaling_policy(t, stack,
|
|
'WebServerScaleUpPolicy')
|
|
|
|
alarm_url = up_policy.FnGetAtt('AlarmUrl')
|
|
self.assertIsNotNone(alarm_url)
|
|
up_policy.signal()
|
|
self.assertEqual(2, len(grouputils.get_member_names(rsrc)))
|
|
|
|
# Check CustomLB metadata was updated
|
|
self.m.StubOutWithMock(instance.Instance, '_ipaddress')
|
|
instance.Instance._ipaddress().MultipleTimes().AndReturn(
|
|
'127.0.0.1')
|
|
self.m.ReplayAll()
|
|
|
|
expected_meta = {'IPs': u'127.0.0.1,127.0.0.1'}
|
|
self.assertEqual(expected_meta, stack['MyCustomLB'].metadata_get())
|
|
|
|
rsrc.delete()
|
|
self.m.VerifyAll()
|
|
|
|
def test_scaling_policy_update(self):
|
|
t = template_format.parse(as_template)
|
|
stack = utils.parse_stack(t, params=self.params)
|
|
|
|
# Create initial group
|
|
self._stub_lb_reload(1)
|
|
now = timeutils.utcnow()
|
|
self._stub_meta_expected(now, 'ExactCapacity : 1')
|
|
self._stub_create(1)
|
|
|
|
self.m.ReplayAll()
|
|
rsrc = self.create_scaling_group(t, stack, 'WebServerGroup')
|
|
stack.resources['WebServerGroup'] = rsrc
|
|
self.assertEqual(1, len(grouputils.get_member_names(rsrc)))
|
|
|
|
# Create initial scaling policy
|
|
up_policy = self.create_scaling_policy(t, stack,
|
|
'WebServerScaleUpPolicy')
|
|
|
|
# Scale up one
|
|
self._stub_lb_reload(2)
|
|
self._stub_meta_expected(now, 'ChangeInCapacity : 1', 2)
|
|
self._stub_create(1)
|
|
|
|
self.m.ReplayAll()
|
|
|
|
# Trigger alarm
|
|
up_policy.signal()
|
|
self.assertEqual(2, len(grouputils.get_member_names(rsrc)))
|
|
|
|
# Update scaling policy
|
|
props = copy.copy(up_policy.properties.data)
|
|
props['ScalingAdjustment'] = '2'
|
|
update_snippet = rsrc_defn.ResourceDefinition(up_policy.name,
|
|
up_policy.type(),
|
|
props)
|
|
scheduler.TaskRunner(up_policy.update, update_snippet)()
|
|
self.assertEqual(2, up_policy.properties['ScalingAdjustment'])
|
|
|
|
# Now move time on 61 seconds - Cooldown in template is 60
|
|
# so this should trigger a scale-up
|
|
previous_meta = {timeutils.strtime(now): 'ChangeInCapacity : 1'}
|
|
self.m.VerifyAll()
|
|
self.m.UnsetStubs()
|
|
|
|
self.m.StubOutWithMock(resource.Resource, 'metadata_get')
|
|
up_policy.metadata_get().AndReturn(previous_meta)
|
|
rsrc.metadata_get().AndReturn(previous_meta)
|
|
|
|
#stub for the metadata accesses while creating the two instances
|
|
resource.Resource.metadata_get()
|
|
resource.Resource.metadata_get()
|
|
|
|
now = now + datetime.timedelta(seconds=61)
|
|
|
|
self._stub_lb_reload(4, unset=False)
|
|
self._stub_meta_expected(now, 'ChangeInCapacity : 2', 2)
|
|
self._stub_create(2)
|
|
self.m.ReplayAll()
|
|
|
|
# Trigger alarm
|
|
up_policy.signal()
|
|
self.assertEqual(4, len(grouputils.get_member_names(rsrc)))
|
|
|
|
rsrc.delete()
|
|
self.m.VerifyAll()
|
|
|
|
def test_vpc_zone_identifier(self):
|
|
t = template_format.parse(as_template)
|
|
properties = t['Resources']['WebServerGroup']['Properties']
|
|
properties['VPCZoneIdentifier'] = ['xxxx']
|
|
|
|
stack = utils.parse_stack(t, params=self.params)
|
|
|
|
self._stub_lb_reload(1)
|
|
now = timeutils.utcnow()
|
|
self._stub_meta_expected(now, 'ExactCapacity : 1')
|
|
self._stub_create(1)
|
|
self.m.ReplayAll()
|
|
|
|
rsrc = self.create_scaling_group(t, stack, 'WebServerGroup')
|
|
instances = grouputils.get_members(rsrc)
|
|
self.assertEqual(1, len(instances))
|
|
self.assertEqual('xxxx', instances[0].properties['SubnetId'])
|
|
|
|
rsrc.delete()
|
|
self.m.VerifyAll()
|
|
|
|
def test_launch_config_get_ref_by_id(self):
|
|
t = template_format.parse(as_template)
|
|
stack = utils.parse_stack(t, params=self.params)
|
|
rsrc = stack['LaunchConfig']
|
|
self.stub_ImageConstraint_validate()
|
|
self.stub_FlavorConstraint_validate()
|
|
self.stub_SnapshotConstraint_validate()
|
|
|
|
self.assertIsNone(rsrc.validate())
|
|
scheduler.TaskRunner(rsrc.create)()
|
|
self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
|
|
|
|
# use physical_resource_name when rsrc.id is not None
|
|
self.assertIsNotNone(rsrc.id)
|
|
expected = '%s-%s-%s' % (rsrc.stack.name,
|
|
rsrc.name,
|
|
short_id.get_id(rsrc.id))
|
|
self.assertEqual(expected, rsrc.FnGetRefId())
|
|
|
|
# otherwise use parent method
|
|
rsrc.id = None
|
|
self.assertIsNone(rsrc.resource_id)
|
|
self.assertEqual('LaunchConfig', rsrc.FnGetRefId())
|
|
|
|
def test_validate_BlockDeviceMappings_without_Ebs_property(self):
|
|
t = template_format.parse(as_template)
|
|
lcp = t['Resources']['LaunchConfig']['Properties']
|
|
bdm = [{'DeviceName': 'vdb'}]
|
|
lcp['BlockDeviceMappings'] = bdm
|
|
stack = utils.parse_stack(t, params=self.params)
|
|
|
|
self.stub_ImageConstraint_validate()
|
|
self.stub_FlavorConstraint_validate()
|
|
self.m.ReplayAll()
|
|
|
|
e = self.assertRaises(exception.StackValidationFailed,
|
|
self.create_scaling_group, t,
|
|
stack, 'LaunchConfig')
|
|
|
|
self.assertIn("Ebs is missing, this is required",
|
|
six.text_type(e))
|
|
|
|
self.m.VerifyAll()
|
|
|
|
def test_validate_BlockDeviceMappings_without_SnapshotId_property(self):
|
|
t = template_format.parse(as_template)
|
|
lcp = t['Resources']['LaunchConfig']['Properties']
|
|
bdm = [{'DeviceName': 'vdb',
|
|
'Ebs': {'VolumeSize': '1'}}]
|
|
lcp['BlockDeviceMappings'] = bdm
|
|
stack = utils.parse_stack(t, params=self.params)
|
|
|
|
self.stub_ImageConstraint_validate()
|
|
self.stub_FlavorConstraint_validate()
|
|
self.m.ReplayAll()
|
|
|
|
e = self.assertRaises(exception.StackValidationFailed,
|
|
self.create_scaling_group, t,
|
|
stack, 'LaunchConfig')
|
|
|
|
self.assertIn("SnapshotId is missing, this is required",
|
|
six.text_type(e))
|
|
self.m.VerifyAll()
|
|
|
|
def test_validate_BlockDeviceMappings_without_DeviceName_property(self):
|
|
t = template_format.parse(as_template)
|
|
lcp = t['Resources']['LaunchConfig']['Properties']
|
|
bdm = [{'Ebs': {'SnapshotId': '1234',
|
|
'VolumeSize': '1'}}]
|
|
lcp['BlockDeviceMappings'] = bdm
|
|
stack = utils.parse_stack(t, params=self.params)
|
|
self.stub_ImageConstraint_validate()
|
|
self.m.ReplayAll()
|
|
|
|
e = self.assertRaises(exception.StackValidationFailed,
|
|
self.create_scaling_group, t,
|
|
stack, 'LaunchConfig')
|
|
|
|
excepted_error = ('Property error : LaunchConfig: BlockDeviceMappings '
|
|
'Property error : BlockDeviceMappings: 0 Property '
|
|
'error : 0: Property DeviceName not assigned')
|
|
self.assertIn(excepted_error, six.text_type(e))
|
|
|
|
self.m.VerifyAll()
|