def create_or_update(config, password, run=True):
stack = CFStack(config, password)
print('Validating template... ', end='', file=sys.stderr)
stack.validate() # raises if defect
print('successfull.', file=sys.stderr)
if run:
if stack.active:
print("Updating Stack {}...".format(stack.name),
end='',
file=sys.stderr)
stack.update()
print(' done.')
else:
print("Creating Stack {}...".format(stack.name),
end='',
file=sys.stderr)
stack.create()
print(' done.', file=sys.stderr)
print_stack_events(stack)
return stack
# IF WE'RE NOT ACTIVELY CREATING OR UPDATING A STACK, WE'RE SHOWING THE CONFIG INSTEAD:
print("This is the configuration we'd use if this was for real:\n\n",
file=sys.stderr)
if not config['JSON_INDENT']:
config['JSON_INDENT'] = 4
template = CFTemplate(config)
print(template.create_json())
if config['FILES']:
print("\n\nHere are all the files you can use:", file=sys.stderr)
for name, path in config['FILES'].iteritems():
print('\t"{}":\t"{}"'.format(name, path), file=sys.stderr)
return None
def __init__(self, config, password=None):
"""
A thin layer over boto.connect_cloudformation adding templates.
config: the usual dict
password_getter: an executable that yields the password or None to use AWS IAM.
"""
self.conf = config
self.password = password
self.name = config['STACK_NAME']
self.connection = self.__make_cloud_formation_connection()
self.template = CFTemplate(self.conf)
def display_yaml(config):
print("This is the rendered template:\n\n", file=sys.stderr)
template = CFTemplate(config)
print(template.create())
return None
def test_create_json(self):
conf = CFTemplate(self.example_config)
created = json.loads(conf.create_json())
self.assertEqual(created, self.test_result)
def test_create_yaml(self):
self.example_config['TEMPLATE'] = 'prod.yaml'
conf = CFTemplate(self.example_config)
created = json.loads(conf.create_json())
self.assertEqual(created, self.test_result)
def test_create_fails(self):
self.example_config['TEMPLATE_PATH'] = '/tmp'
self.example_config['FILES'] = {}
conf = CFTemplate(self.example_config)
self.assertRaises(TemplateNotFound, conf.create)
def test_init_settings(self):
testpath = '/tmp'
self.example_config['TEMPLATE_PATH'] = testpath
self.example_config['FILES'] = {}
conf = CFTemplate(self.example_config)
self.assertEqual(conf.config['TEMPLATE_PATH'], testpath)
