cc4b37cc77
This is so you can make a custom loadbalancer that can reference the group's instance ip's. fixes bug #1131025 Change-Id: I32d76d3627704ad503e2ec06bf0da39cf79f33d2
157 lines
5.5 KiB
Python
157 lines
5.5 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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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 os
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import unittest
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import mox
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from nose.plugins.attrib import attr
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from heat.tests.v1_1 import fakes
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from heat.common import context
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from heat.common import template_format
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from heat.engine.resources import autoscaling as asc
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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 import parser
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@attr(tag=['unit', 'resource'])
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@attr(speed='fast')
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class InstanceGroupTest(unittest.TestCase):
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def setUp(self):
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self.fc = fakes.FakeClient()
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self.m = mox.Mox()
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self.m.StubOutWithMock(loadbalancer.LoadBalancer, 'reload')
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def tearDown(self):
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self.m.UnsetStubs()
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print "InstanceGroupTest teardown complete"
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def load_template(self):
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self.path = os.path.dirname(os.path.realpath(__file__)).\
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replace('heat/tests', 'templates')
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f = open("%s/InstanceGroup.template" % self.path)
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t = template_format.parse(f.read())
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f.close()
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return t
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def parse_stack(self, t):
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ctx = context.RequestContext.from_dict({
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'tenant': 'test_tenant',
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'username': 'test_username',
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'password': 'password',
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'auth_url': 'http://localhost:5000/v2.0'})
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template = parser.Template(t)
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params = parser.Parameters('test_stack', template, {'KeyName': 'test'})
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stack = parser.Stack(ctx, 'test_stack', template, params)
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return stack
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def _stub_create(self, num):
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self.m.StubOutWithMock(instance.Instance, 'create')
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for x in range(num):
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instance.Instance.create().AndReturn(None)
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def create_instance_group(self, t, stack, resource_name):
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resource = asc.InstanceGroup(resource_name,
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t['Resources'][resource_name],
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stack)
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self.assertEqual(None, resource.validate())
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self.assertEqual(None, resource.create())
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self.assertEqual(asc.InstanceGroup.CREATE_COMPLETE, resource.state)
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return resource
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def test_instance_group(self):
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t = self.load_template()
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stack = self.parse_stack(t)
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# start with min then delete
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self._stub_create(1)
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self.m.StubOutWithMock(instance.Instance, 'FnGetAtt')
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instance.Instance.FnGetAtt('PublicIp').AndReturn('1.2.3.4')
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self.m.ReplayAll()
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resource = self.create_instance_group(t, stack, 'JobServerGroup')
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self.assertEqual('JobServerGroup', resource.FnGetRefId())
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self.assertEqual('1.2.3.4', resource.FnGetAtt('InstanceList'))
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self.assertEqual('JobServerGroup-0', resource.resource_id)
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self.assertEqual(asc.InstanceGroup.UPDATE_REPLACE,
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resource.handle_update({}))
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resource.delete()
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self.m.VerifyAll()
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def test_missing_image(self):
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t = self.load_template()
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stack = self.parse_stack(t)
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resource = asc.InstanceGroup('JobServerGroup',
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t['Resources']['JobServerGroup'],
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stack)
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self.m.StubOutWithMock(instance.Instance, 'create')
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instance.Instance.create().AndReturn('ImageNotFound: bla')
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self.m.ReplayAll()
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self.assertEqual(resource.create(), 'ImageNotFound: bla')
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self.assertEqual(asc.InstanceGroup.CREATE_FAILED, resource.state)
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self.m.VerifyAll()
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def test_update_size(self):
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t = self.load_template()
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properties = t['Resources']['JobServerGroup']['Properties']
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properties['Size'] = '2'
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stack = self.parse_stack(t)
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self._stub_create(2)
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self.m.ReplayAll()
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resource = self.create_instance_group(t, stack, 'JobServerGroup')
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self.assertEqual('JobServerGroup-0,JobServerGroup-1',
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resource.resource_id)
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self.m.VerifyAll()
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self.m.UnsetStubs()
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# Increase min size to 5
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self._stub_create(3)
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self.m.StubOutWithMock(instance.Instance, 'FnGetAtt')
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instance.Instance.FnGetAtt('PublicIp').AndReturn('10.0.0.2')
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instance.Instance.FnGetAtt('PublicIp').AndReturn('10.0.0.3')
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instance.Instance.FnGetAtt('PublicIp').AndReturn('10.0.0.4')
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instance.Instance.FnGetAtt('PublicIp').AndReturn('10.0.0.5')
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instance.Instance.FnGetAtt('PublicIp').AndReturn('10.0.0.6')
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self.m.ReplayAll()
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update_snippet = copy.deepcopy(resource.parsed_template())
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update_snippet['Properties']['Size'] = '5'
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self.assertEqual(asc.AutoScalingGroup.UPDATE_COMPLETE,
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resource.handle_update(update_snippet))
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assert_str = ','.join(['JobServerGroup-%s' % x for x in range(5)])
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self.assertEqual(assert_str,
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resource.resource_id)
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self.assertEqual('10.0.0.2,10.0.0.3,10.0.0.4,10.0.0.5,10.0.0.6',
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resource.FnGetAtt('InstanceList'))
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resource.delete()
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self.m.VerifyAll()
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