2da1288623
Change-Id: Ib3bbadf3a868c6c82e30c63750a6ec76f873fc63 part of blueprint decouple-nested
386 lines
14 KiB
Python
386 lines
14 KiB
Python
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
import copy
|
|
|
|
import mock
|
|
|
|
from heat.common import exception
|
|
from heat.common import template_format
|
|
from heat.engine import parser
|
|
from heat.engine import resource
|
|
from heat.engine import resources
|
|
from heat.engine.resources import autoscaling as asc
|
|
from heat.engine.resources import instance
|
|
from heat.engine import rsrc_defn
|
|
from heat.engine import scheduler
|
|
from heat.tests.autoscaling import inline_templates
|
|
from heat.tests import common
|
|
from heat.tests import utils
|
|
|
|
ig_template = '''
|
|
{
|
|
"AWSTemplateFormatVersion" : "2010-09-09",
|
|
"Description" : "Template to create multiple instances.",
|
|
"Parameters" : {},
|
|
"Resources" : {
|
|
"JobServerGroup" : {
|
|
"Type" : "OS::Heat::InstanceGroup",
|
|
"Properties" : {
|
|
"LaunchConfigurationName" : { "Ref" : "JobServerConfig" },
|
|
"Size" : "1",
|
|
"AvailabilityZones" : ["nova"]
|
|
}
|
|
},
|
|
|
|
"JobServerConfig" : {
|
|
"Type" : "AWS::AutoScaling::LaunchConfiguration",
|
|
"Metadata": {"foo": "bar"},
|
|
"Properties": {
|
|
"ImageId" : "foo",
|
|
"InstanceType" : "m1.large",
|
|
"KeyName" : "test",
|
|
"SecurityGroups" : [ "sg-1" ],
|
|
"UserData" : "jsconfig data",
|
|
"BlockDeviceMappings": [
|
|
{
|
|
"DeviceName": "vdb",
|
|
"Ebs": {"SnapshotId": "9ef5496e-7426-446a-bbc8-01f84d9c9972",
|
|
"DeleteOnTermination": "True"}
|
|
}]
|
|
}
|
|
}
|
|
}
|
|
}
|
|
'''
|
|
|
|
|
|
class InstanceGroupTest(common.HeatTestCase):
|
|
def _stub_create(self, num, instance_class=instance.Instance):
|
|
"""
|
|
Expect creation of C{num} number of Instances.
|
|
|
|
:param instance_class: The resource class to expect to be created
|
|
instead of instance.Instance.
|
|
"""
|
|
self.m.StubOutWithMock(parser.Stack, 'validate')
|
|
parser.Stack.validate()
|
|
self.stub_KeypairConstraint_validate()
|
|
self.stub_ImageConstraint_validate()
|
|
|
|
self.m.StubOutWithMock(instance_class, 'handle_create')
|
|
self.m.StubOutWithMock(instance_class, 'check_create_complete')
|
|
cookie = object()
|
|
|
|
for x in range(num):
|
|
instance_class.handle_create().AndReturn(cookie)
|
|
instance_class.check_create_complete(cookie).AndReturn(False)
|
|
instance_class.check_create_complete(
|
|
cookie).MultipleTimes().AndReturn(True)
|
|
|
|
def create_resource(self, t, stack, resource_name):
|
|
# subsequent resources may need to reference previous created resources
|
|
# use the stack's resource objects instead of instantiating new ones
|
|
rsrc = stack[resource_name]
|
|
self.assertIsNone(rsrc.validate())
|
|
scheduler.TaskRunner(rsrc.create)()
|
|
self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
|
|
return rsrc
|
|
|
|
def test_instance_group(self):
|
|
|
|
t = template_format.parse(ig_template)
|
|
stack = utils.parse_stack(t)
|
|
|
|
# start with min then delete
|
|
self._stub_create(1)
|
|
self.m.StubOutWithMock(instance.Instance, 'FnGetAtt')
|
|
instance.Instance.FnGetAtt('PublicIp').AndReturn('1.2.3.4')
|
|
|
|
self.m.ReplayAll()
|
|
lc_rsrc = self.create_resource(t, stack, 'JobServerConfig')
|
|
# check bdm in configuration
|
|
self.assertIsNotNone(lc_rsrc.properties['BlockDeviceMappings'])
|
|
|
|
rsrc = self.create_resource(t, stack, 'JobServerGroup')
|
|
self.assertEqual(utils.PhysName(stack.name, rsrc.name),
|
|
rsrc.FnGetRefId())
|
|
self.assertEqual('1.2.3.4', rsrc.FnGetAtt('InstanceList'))
|
|
# check bdm in instance_definition
|
|
instance_definition = rsrc._get_instance_definition()
|
|
self.assertIn('BlockDeviceMappings',
|
|
instance_definition['Properties'])
|
|
|
|
nested = rsrc.nested()
|
|
self.assertEqual(nested.id, rsrc.resource_id)
|
|
|
|
rsrc.delete()
|
|
self.m.VerifyAll()
|
|
|
|
def test_instance_group_custom_resource(self):
|
|
"""
|
|
If AWS::EC2::Instance is overridden, InstanceGroup will automatically
|
|
use that overridden resource type.
|
|
"""
|
|
# resources may need to be initialised if this is the first test run.
|
|
resources.initialise()
|
|
|
|
class MyInstance(instance.Instance):
|
|
"""A customized Instance resource."""
|
|
|
|
original_instance = resource.get_class("AWS::EC2::Instance")
|
|
resource._register_class("AWS::EC2::Instance", MyInstance)
|
|
self.addCleanup(resource._register_class, "AWS::EC2::Instance",
|
|
original_instance)
|
|
|
|
t = template_format.parse(ig_template)
|
|
stack = utils.parse_stack(t)
|
|
self._stub_create(1, instance_class=MyInstance)
|
|
|
|
self.m.ReplayAll()
|
|
self.create_resource(t, stack, 'JobServerConfig')
|
|
rsrc = self.create_resource(t, stack, 'JobServerGroup')
|
|
self.assertEqual(utils.PhysName(stack.name, rsrc.name),
|
|
rsrc.FnGetRefId())
|
|
rsrc.delete()
|
|
self.m.VerifyAll()
|
|
|
|
def test_missing_image(self):
|
|
|
|
t = template_format.parse(ig_template)
|
|
stack = utils.parse_stack(t)
|
|
self.stub_ImageConstraint_validate()
|
|
self.stub_KeypairConstraint_validate()
|
|
|
|
self.m.ReplayAll()
|
|
|
|
self.create_resource(t, stack, 'JobServerConfig')
|
|
rsrc = stack['JobServerGroup']
|
|
|
|
self.m.VerifyAll()
|
|
self.m.UnsetStubs()
|
|
|
|
self.m.StubOutWithMock(instance.Instance, 'handle_create')
|
|
not_found = exception.ImageNotFound(image_name='bla')
|
|
instance.Instance.handle_create().AndRaise(not_found)
|
|
self.m.StubOutWithMock(parser.Stack, 'validate')
|
|
parser.Stack.validate()
|
|
|
|
self.stub_KeypairConstraint_validate()
|
|
self.stub_ImageConstraint_validate()
|
|
|
|
self.m.ReplayAll()
|
|
|
|
create = scheduler.TaskRunner(rsrc.create)
|
|
self.assertRaises(exception.ResourceFailure, create)
|
|
self.assertEqual((rsrc.CREATE, rsrc.FAILED), rsrc.state)
|
|
|
|
self.m.VerifyAll()
|
|
|
|
def test_handle_update_size(self):
|
|
t = template_format.parse(ig_template)
|
|
properties = t['Resources']['JobServerGroup']['Properties']
|
|
properties['Size'] = '2'
|
|
stack = utils.parse_stack(t)
|
|
|
|
self._stub_create(2)
|
|
self.m.ReplayAll()
|
|
self.create_resource(t, stack, 'JobServerConfig')
|
|
rsrc = self.create_resource(t, stack, 'JobServerGroup')
|
|
|
|
self.m.VerifyAll()
|
|
self.m.UnsetStubs()
|
|
|
|
# Increase min size to 5
|
|
self._stub_create(3)
|
|
self.m.StubOutWithMock(instance.Instance, 'FnGetAtt')
|
|
instance.Instance.FnGetAtt('PublicIp').AndReturn('10.0.0.2')
|
|
instance.Instance.FnGetAtt('PublicIp').AndReturn('10.0.0.3')
|
|
instance.Instance.FnGetAtt('PublicIp').AndReturn('10.0.0.4')
|
|
instance.Instance.FnGetAtt('PublicIp').AndReturn('10.0.0.5')
|
|
instance.Instance.FnGetAtt('PublicIp').AndReturn('10.0.0.6')
|
|
|
|
self.m.ReplayAll()
|
|
|
|
props = copy.copy(rsrc.properties.data)
|
|
props['Size'] = 5
|
|
update_snippet = rsrc_defn.ResourceDefinition(rsrc.name,
|
|
rsrc.type(),
|
|
props)
|
|
tmpl_diff = {'Properties': {'Size': '5'}}
|
|
prop_diff = {'Size': '5'}
|
|
self.assertIsNone(rsrc.handle_update(update_snippet, tmpl_diff,
|
|
prop_diff))
|
|
self.assertEqual('10.0.0.2,10.0.0.3,10.0.0.4,10.0.0.5,10.0.0.6',
|
|
rsrc.FnGetAtt('InstanceList'))
|
|
|
|
rsrc.delete()
|
|
self.m.VerifyAll()
|
|
|
|
def test_create_error(self):
|
|
"""
|
|
If a resource in an instance group fails to be created, the instance
|
|
group itself will fail and the broken inner resource will remain.
|
|
"""
|
|
t = template_format.parse(ig_template)
|
|
stack = utils.parse_stack(t)
|
|
|
|
self.m.StubOutWithMock(parser.Stack, 'validate')
|
|
parser.Stack.validate()
|
|
self.stub_ImageConstraint_validate()
|
|
self.stub_KeypairConstraint_validate()
|
|
self.m.StubOutWithMock(instance.Instance, 'handle_create')
|
|
instance.Instance.handle_create().AndRaise(Exception)
|
|
|
|
self.m.ReplayAll()
|
|
self.create_resource(t, stack, 'JobServerConfig')
|
|
self.assertRaises(
|
|
exception.ResourceFailure,
|
|
self.create_resource, t, stack, 'JobServerGroup')
|
|
|
|
rsrc = stack['JobServerGroup']
|
|
self.assertEqual((rsrc.CREATE, rsrc.FAILED), rsrc.state)
|
|
|
|
# The failed inner resource remains
|
|
self.assertEqual(1, len(rsrc.nested().resources))
|
|
child_resource = rsrc.nested().resources.values()[0]
|
|
self.assertEqual((child_resource.CREATE, child_resource.FAILED),
|
|
child_resource.state)
|
|
|
|
self.m.VerifyAll()
|
|
|
|
def test_update_error(self):
|
|
"""
|
|
If a resource in an instance group fails to be created during an
|
|
update, the instance group itself will fail and the broken inner
|
|
resource will remain.
|
|
"""
|
|
t = template_format.parse(ig_template)
|
|
stack = utils.parse_stack(t)
|
|
|
|
self._stub_create(1)
|
|
self.m.ReplayAll()
|
|
self.create_resource(t, stack, 'JobServerConfig')
|
|
rsrc = self.create_resource(t, stack, 'JobServerGroup')
|
|
self.assertEqual(1, len(rsrc.nested().resources))
|
|
succeeded_instance = rsrc.nested().resources.values()[0]
|
|
|
|
self.m.VerifyAll()
|
|
self.m.UnsetStubs()
|
|
|
|
self.m.StubOutWithMock(parser.Stack, 'validate')
|
|
parser.Stack.validate()
|
|
self.stub_ImageConstraint_validate()
|
|
self.stub_KeypairConstraint_validate()
|
|
self.m.StubOutWithMock(instance.Instance, 'handle_create')
|
|
instance.Instance.handle_create().AndRaise(Exception)
|
|
|
|
self.m.ReplayAll()
|
|
|
|
props = copy.copy(rsrc.properties.data)
|
|
props['Size'] = '2'
|
|
update_snippet = rsrc_defn.ResourceDefinition(rsrc.name,
|
|
rsrc.type(),
|
|
props)
|
|
updater = scheduler.TaskRunner(rsrc.update, update_snippet)
|
|
self.assertRaises(exception.ResourceFailure, updater)
|
|
|
|
self.assertEqual((rsrc.UPDATE, rsrc.FAILED), rsrc.state)
|
|
|
|
# The failed inner resource remains
|
|
self.assertEqual(2, len(rsrc.nested().resources))
|
|
child_resource = [r for r in rsrc.nested().resources.values()
|
|
if r.name != succeeded_instance.name][0]
|
|
self.assertEqual((child_resource.CREATE, child_resource.FAILED),
|
|
child_resource.state)
|
|
|
|
self.m.VerifyAll()
|
|
|
|
def test_update_fail_badprop(self):
|
|
t = template_format.parse(ig_template)
|
|
properties = t['Resources']['JobServerGroup']['Properties']
|
|
properties['Size'] = '2'
|
|
stack = utils.parse_stack(t)
|
|
|
|
self._stub_create(2)
|
|
self.m.ReplayAll()
|
|
self.create_resource(t, stack, 'JobServerConfig')
|
|
rsrc = self.create_resource(t, stack, 'JobServerGroup')
|
|
|
|
self.m.ReplayAll()
|
|
|
|
props = copy.copy(rsrc.properties.data)
|
|
props['AvailabilityZones'] = ['wibble']
|
|
update_snippet = rsrc_defn.ResourceDefinition(rsrc.name,
|
|
rsrc.type(),
|
|
props)
|
|
updater = scheduler.TaskRunner(rsrc.update, update_snippet)
|
|
self.assertRaises(resource.UpdateReplace, updater)
|
|
|
|
rsrc.delete()
|
|
self.m.VerifyAll()
|
|
|
|
def test_update_config_metadata(self):
|
|
t = template_format.parse(ig_template)
|
|
properties = t['Resources']['JobServerGroup']['Properties']
|
|
properties['Size'] = '2'
|
|
stack = utils.parse_stack(t)
|
|
|
|
self._stub_create(2)
|
|
self.m.ReplayAll()
|
|
rsrc = self.create_resource(t, stack, 'JobServerConfig')
|
|
self.create_resource(t, stack, 'JobServerGroup')
|
|
|
|
props = copy.copy(rsrc.properties.data)
|
|
metadata = copy.copy(rsrc.metadata_get())
|
|
|
|
update_snippet = rsrc_defn.ResourceDefinition(rsrc.name,
|
|
rsrc.type(),
|
|
props,
|
|
metadata)
|
|
# Change nothing in the first update
|
|
scheduler.TaskRunner(rsrc.update, update_snippet)()
|
|
|
|
self.assertEqual('bar', metadata['foo'])
|
|
metadata['foo'] = 'wibble'
|
|
update_snippet = rsrc_defn.ResourceDefinition(rsrc.name,
|
|
rsrc.type(),
|
|
props,
|
|
metadata)
|
|
# Changing metadata in the second update triggers UpdateReplace
|
|
updater = scheduler.TaskRunner(rsrc.update, update_snippet)
|
|
self.assertRaises(resource.UpdateReplace, updater)
|
|
|
|
self.m.VerifyAll()
|
|
|
|
|
|
class TestChildTemplate(common.HeatTestCase):
|
|
def setUp(self):
|
|
super(TestChildTemplate, self).setUp()
|
|
t = template_format.parse(inline_templates.as_template)
|
|
stack = utils.parse_stack(t, params=inline_templates.as_params)
|
|
defn = rsrc_defn.ResourceDefinition('ig', 'OS::Heat::InstanceGroup',
|
|
{'Size': 2,
|
|
'LaunchConfigurationName': 'foo'})
|
|
self.instance_group = asc.InstanceGroup('ig', defn, stack)
|
|
|
|
def test_child_template(self):
|
|
self.instance_group._create_template = mock.Mock(return_value='tpl')
|
|
|
|
self.assertEqual('tpl', self.instance_group.child_template())
|
|
self.instance_group._create_template.assert_called_once_with(2)
|
|
|
|
def test_child_params(self):
|
|
self.instance_group._environment = mock.Mock(return_value='env')
|
|
self.assertEqual('env', self.instance_group.child_params())
|