def test_child_template_when_io_error(self):
msg = 'Failed to retrieve template'
urlfetch.get.side_effect = urlfetch.URLFetchError(msg)
t = template_format.parse(self.test_template)
stack = self.parse_stack(t)
nested_stack = stack['the_nested']
self.assertRaises(ValueError, nested_stack.child_template)
def test_user_template_retrieve_fail(self):
# make sure that a TemplateResource defined in the user environment
# fails gracefully if the template file specified is inaccessible
# we should be able to create the TemplateResource object, but
# validation should fail, when the second attempt to access it is
# made in validate()
env = environment.Environment()
test_templ_name = 'http://heatr/noexist.yaml'
env.load({'resource_registry':
{'Test::Flippy': test_templ_name}})
stack = parser.Stack(utils.dummy_context(), 'test_stack',
parser.Template(empty_template, env=env),
stack_id=str(uuid.uuid4()))
self.m.StubOutWithMock(urlfetch, "get")
urlfetch.get(test_templ_name,
allowed_schemes=('http', 'https')
).AndRaise(urlfetch.URLFetchError(
_('Failed to retrieve template')))
self.m.ReplayAll()
definition = rsrc_defn.ResourceDefinition('test_t_res',
'Test::Flippy')
temp_res = template_resource.TemplateResource('test_t_res',
definition,
stack)
self.assertRaises(exception.StackValidationFailed, temp_res.validate)
self.m.VerifyAll()
def test_template_as_resource(self):
"""
Test that the resulting resource has the right prop and attrib schema.
Note that this test requires the Wordpress_Single_Instance.yaml
template in the templates directory since we want to test using a
non-trivial template.
"""
test_templ_name = "WordPress_Single_Instance.yaml"
path = os.path.join(os.path.dirname(os.path.realpath(__file__)),
'templates', test_templ_name)
# check if its in the directory list vs. exists to work around
# case-insensitive file systems
self.assertIn(test_templ_name, os.listdir(os.path.dirname(path)))
with open(path) as test_templ_file:
test_templ = test_templ_file.read()
self.assertTrue(test_templ, "Empty test template")
self.m.StubOutWithMock(urlfetch, "get")
urlfetch.get(test_templ_name,
allowed_schemes=('file',))\
.AndRaise(urlfetch.URLFetchError(_('Failed to retrieve template')))
urlfetch.get(test_templ_name,
allowed_schemes=('http', 'https')).AndReturn(test_templ)
parsed_test_templ = template_format.parse(test_templ)
self.m.ReplayAll()
json_snippet = {
"Type": test_templ_name,
"Properties": {
"KeyName": "mykeyname",
"DBName": "wordpress1",
"DBUsername": "******",
"DBPassword": "******",
"DBRootPassword": "******",
"LinuxDistribution": "U10"
}
}
stack = parser.Stack(utils.dummy_context(),
'test_stack',
parser.Template(empty_template),
stack_id=str(uuid.uuid4()))
templ_resource = resource.Resource("test_templ_resource", json_snippet,
stack)
self.m.VerifyAll()
self.assertIsInstance(templ_resource,
template_resource.TemplateResource)
for prop in parsed_test_templ.get("Parameters", {}):
self.assertIn(prop, templ_resource.properties)
for attrib in parsed_test_templ.get("Outputs", {}):
self.assertIn(attrib, templ_resource.attributes)
for k, v in json_snippet.get("Properties").items():
self.assertEqual(v, templ_resource.properties[k])
self.assertEqual(
{
'WordPress_Single_Instance.yaml':
'WordPress_Single_Instance.yaml',
'resources': {}
},
stack.env.user_env_as_dict()["resource_registry"])
self.assertNotIn('WordPress_Single_Instance.yaml',
resources.global_env().registry._registry)
def test_system_template_retrieve_fail(self):
# make sure that a TemplateResource defined in the global environment
# fails gracefully if the template file specified is inaccessible
# we should be able to create the TemplateResource object, but
# validation should fail, when the second attempt to access it is
# made in validate()
g_env = resources.global_env()
test_templ_name = 'file:///etc/heatr/frodo.yaml'
g_env.load({'resource_registry': {'Test::Frodo': test_templ_name}})
stack = parser.Stack(utils.dummy_context(),
'test_stack',
parser.Template(empty_template),
stack_id=str(uuid.uuid4()))
self.m.StubOutWithMock(urlfetch, "get")
urlfetch.get(test_templ_name,
allowed_schemes=('http', 'https',
'file'))\
.AndRaise(urlfetch.URLFetchError(_('Failed to retrieve template')))
self.m.ReplayAll()
temp_res = template_resource.TemplateResource('test_t_res',
{"Type": 'Test::Frodo'},
stack)
self.assertRaises(exception.StackValidationFailed, temp_res.validate)
self.m.VerifyAll()
def test_system_template_retrieve_fail(self):
# make sure that a TemplateResource defined in the global environment
# fails gracefully if the template file specified is inaccessible
# we should be able to create the TemplateResource object, but
# validation should fail, when the second attempt to access it is
# made in validate()
g_env = resources.global_env()
test_templ_name = 'file:///etc/heatr/frodo.yaml'
g_env.load({'resource_registry': {'Test::Frodo': test_templ_name}})
stack = parser.Stack(utils.dummy_context(),
'test_stack',
template.Template(empty_template),
stack_id=str(uuid.uuid4()))
mock_get = self.patchobject(urlfetch,
"get",
side_effect=urlfetch.URLFetchError(
_('Failed to retrieve template')))
definition = rsrc_defn.ResourceDefinition('test_t_res', 'Test::Frodo')
temp_res = template_resource.TemplateResource('test_t_res', definition,
stack)
self.assertRaises(exception.StackValidationFailed, temp_res.validate)
mock_get.assert_called_once_with(test_templ_name,
allowed_schemes=(
'http',
'https',
'file',
))
