def test_get_stack_order_raises_exception_on_cyclic_dependency(self):
stacks = {
'app1':
StackConfig({
'template-url': 'horst.yml',
'parameters': {
'a': '|Ref|app2.id'
}
}),
'app2':
StackConfig({
'template-url': 'horst.yml',
'parameters': {
'a': '|Ref|app3.id'
}
}),
'app3':
StackConfig({
'template-url': 'horst.yml',
'parameters': {
'a': '|Ref|app1.id'
}
})
}
with self.assertRaises(CyclicDependencyException):
DependencyResolver.get_stack_order(stacks)
def test_get_stack_order_includes_independent_stacks(self):
stacks = {
'default-sg':
StackConfig({'template-url': 'horst.yml'}),
'app1':
StackConfig({
'template-url': 'horst.yml',
'parameters': {
'a': '|Ref|vpc.id',
'b': '|Ref|default-sg.id'
}
}),
'app2':
StackConfig({
'template-url': 'horst.yml',
'parameters': {
'a': '|Ref|vpc.id',
'b': '|Ref|default-sg.id',
'c': 'Ref::app1.id'
}
}),
'vpc':
StackConfig({
'template-url': 'horst.yml',
'parameters': {
'logBucketName': 'is24-cloudtrail-logs',
'includeGlobalServices': False
}
})
}
result = 4
self.assertEqual(result,
len(DependencyResolver.get_stack_order(stacks)))
def test_apply_stack_name_suffix_applies_suffix_to_sublist_items(self):
stacks = {
"stack-a": StackConfig(
{"template-url": "some-url", "parameters": {"alist": ["|ref|stack-b.a", "|ref|stack-b.b"]}}),
"stack-b": StackConfig({"template-url": "some-url"})
}
result = Config._apply_stack_name_suffix(stacks, "-test")
self.assertEqual(result["stack-a-test"].parameters["alist"][0], "|ref|stack-b-test.a")
self.assertEqual(result["stack-a-test"].parameters["alist"][1], "|ref|stack-b-test.b")
def test_apply_stack_name_suffix_appends_number_suffix_to_all_stacks(self):
stacks = {
"stack-a": StackConfig({"template-url": "some-url", "parameters": {"a": 1, "b": "|ref|stack-b.a"}}),
"stack-b": StackConfig({"template-url": "some-url", "parameters": {"a": 1, "b": "foo"}})
}
result = Config._apply_stack_name_suffix(stacks, 3)
self.assertEqual(result["stack-a3"].parameters["a"], 1)
self.assertEqual(result["stack-a3"].parameters["b"], "|ref|stack-b3.a")
self.assertEqual(result["stack-b3"].parameters["a"], 1)
self.assertEqual(result["stack-b3"].parameters["b"], "foo")
def test_get_stack_order_returns_a_valid_order(self):
stacks = {'default-sg': StackConfig({'template-url': 'horst.yml', 'parameters': {'a': '|Ref|vpc.id'}}),
'app1': StackConfig(
{'template-url': 'horst.yml', 'parameters': {'a': '|Ref|vpc.id', 'b': '|Ref|default-sg.id'}}),
'app2': StackConfig({'template-url': 'horst.yml',
'parameters': {'a': '|Ref|vpc.id', 'b': '|Ref|default-sg.id',
'c': '|Ref|app1.id'}}),
'vpc': StackConfig({'template-url': 'horst.yml',
'parameters': {'logBucketName': 'is24-cloudtrail-logs',
'includeGlobalServices': False}})
}
expected = ['vpc', 'default-sg', 'app1', 'app2']
self.assertEqual(expected, DependencyResolver.get_stack_order(stacks))
def test_apply_stack_name_suffix_does_not_append_none_suffix(self):
stacks = {
"stack-d": StackConfig({"template-url": "some-url"})
}
result = Config._apply_stack_name_suffix(stacks, None)
self.assertEqual(result, stacks)
def create_stack_config(self):
return StackConfig(
{
'template-url': 'any url',
'timeout': 1,
'parameters': {
'any parameter': 'any value'
}
}, 'any dir', {'any tag': 'any value'})
def test_apply_stack_name_suffix_does_not_modify_externally_referenced_stacks(self):
stacks = {
"stack-c": StackConfig({"template-url": "some-url", "parameters": {"a": 1, "b": "|ref|external_stack.a"}})
}
result = Config._apply_stack_name_suffix(stacks, "-test")
self.assertEqual(result["stack-c-test"].parameters["a"], 1)
self.assertEqual(result["stack-c-test"].parameters["b"], "|ref|external_stack.a")