def test_can_resolve_multiple_vars(self):
assert self.resolve_vars(
{
'foo': Variable('myvar'),
'bar': Variable('myvar')
}, {'myvar': 'value'}) == {
'foo': 'value',
'bar': 'value'
}
def test_can_plan_rest_api(self):
function = create_function_resource('function_name')
rest_api = models.RestAPI(
resource_name='rest_api',
swagger_doc={'swagger': '2.0'},
api_gateway_stage='api',
lambda_function=function,
)
plan = self.determine_plan(rest_api)
self.assert_loads_needed_variables(plan)
assert plan[4:] == [
models.APICall(
method_name='import_rest_api',
params={'swagger_document': {
'swagger': '2.0'
}},
output_var='rest_api_id',
),
models.RecordResourceVariable(
resource_type='rest_api',
resource_name='rest_api',
name='rest_api_id',
variable_name='rest_api_id',
),
models.APICall(method_name='deploy_rest_api',
params={
'rest_api_id': Variable('rest_api_id'),
'api_gateway_stage': 'api'
}),
models.APICall(
method_name='add_permission_for_apigateway_if_needed',
params={
'function_name': 'appname-dev-function_name',
'region_name': Variable('region_name'),
'account_id': Variable('account_id'),
'rest_api_id': Variable('rest_api_id'),
}),
models.StoreValue(
name='rest_api_url',
value=StringFormat(
'https://{rest_api_id}.execute-api.{region_name}'
'.amazonaws.com/api/',
['rest_api_id', 'region_name'],
),
),
models.RecordResourceVariable(resource_type='rest_api',
resource_name='rest_api',
name='rest_api_url',
variable_name='rest_api_url'),
]
assert list(
self.last_plan.messages.values()) == ['Creating Rest API\n']
def test_deeply_nested(self):
nested = {
'a': {
'b': {
'c': {
'd': [{
'e': {
'f': Variable('foo')
}
}],
}
}
}
}
variables = {'foo': 'value'}
assert self.resolve_vars(nested, variables) == {
'a': {
'b': {
'c': {
'd': [{
'e': {
'f': 'value'
}
}],
}
}
}
}
def test_can_resolve_nested_variable_refs(self):
assert self.resolve_vars({'foo': {
'bar': Variable('myvar')
}}, {'myvar': 'value'}) == {
'foo': {
'bar': 'value'
}
}
def test_can_plan_s3_event(self):
function = create_function_resource('function_name')
bucket_event = models.S3BucketNotification(
resource_name='function_name-s3event',
bucket='mybucket',
events=['s3:ObjectCreated:*'],
prefix=None,
suffix=None,
lambda_function=function,
)
plan = self.determine_plan(bucket_event)
self.assert_apicall_equals(
plan[0],
models.APICall(
method_name='add_permission_for_s3_event',
params={
'bucket': 'mybucket',
'function_arn': Variable('function_name_lambda_arn'),
},
))
self.assert_apicall_equals(
plan[1],
models.APICall(
method_name='connect_s3_bucket_to_lambda',
params={
'bucket': 'mybucket',
'function_arn': Variable('function_name_lambda_arn'),
'events': ['s3:ObjectCreated:*'],
'prefix': None,
'suffix': None,
},
))
assert plan[2] == models.RecordResourceValue(
resource_type='s3_event',
resource_name='function_name-s3event',
name='bucket',
value='mybucket',
)
assert plan[3] == models.RecordResourceVariable(
resource_type='s3_event',
resource_name='function_name-s3event',
name='lambda_arn',
variable_name='function_name_lambda_arn',
)
def test_can_plan_scheduled_event(self):
function = create_function_resource('function_name')
event = models.ScheduledEvent(
resource_name='bar',
rule_name='myrulename',
schedule_expression='rate(5 minutes)',
lambda_function=function,
)
plan = self.determine_plan(event)
assert len(plan) == 4
self.assert_apicall_equals(
plan[0],
models.APICall(
method_name='get_or_create_rule_arn',
params={
'rule_name': 'myrulename',
'schedule_expression': 'rate(5 minutes)',
},
output_var='rule-arn',
))
self.assert_apicall_equals(
plan[1],
models.APICall(method_name='connect_rule_to_lambda',
params={
'rule_name': 'myrulename',
'function_arn':
Variable('function_name_lambda_arn')
}))
self.assert_apicall_equals(
plan[2],
models.APICall(
method_name='add_permission_for_scheduled_event',
params={
'rule_arn': Variable('rule-arn'),
'function_arn': Variable('function_name_lambda_arn'),
},
))
assert plan[3] == models.RecordResourceValue(
resource_type='cloudwatch_event',
resource_name='bar',
name='rule_name',
value='myrulename',
)
def test_can_call_builtin_function(self):
self.execute([
StoreValue(name='my_arn',
value='arn:aws:lambda:us-west-2:123:function:name'),
BuiltinFunction(
function_name='parse_arn',
args=[Variable('my_arn')],
output_var='result',
)
])
assert self.executor.variables['result'] == {
'account_id': '123',
'region': 'us-west-2',
'service': 'lambda'
}
def test_can_reference_stored_results_in_api_calls(self):
params = {
'name': Variable('role_name'),
'trust_policy': {'trust': 'policy'},
'policy': {'iam': 'policy'}
}
call = APICall('create_role', params)
self.mock_client.create_role.return_value = 'myrole:arn'
self.executor.variables['role_name'] = 'myrole-name'
self.execute([call])
self.mock_client.create_role.assert_called_with(
name='myrole-name',
trust_policy={'trust': 'policy'},
policy={'iam': 'policy'},
)
def assert_loads_needed_variables(self, plan):
# Parse arn and store region/account id for future
# API calls.
assert plan[0:4] == [
models.BuiltinFunction(
'parse_arn',
[Variable('function_name_lambda_arn')],
output_var='parsed_lambda_arn',
),
models.JPSearch('account_id',
input_var='parsed_lambda_arn',
output_var='account_id'),
models.JPSearch('region',
input_var='parsed_lambda_arn',
output_var='region_name'),
# Verify we copy the function arn as needed.
models.CopyVariable(from_var='function_name_lambda_arn',
to_var='api_handler_lambda_arn'),
]
def _delete_s3_event(self, resource_values):
# type: (Dict[str, Any]) -> ResourceValueType
bucket = resource_values['bucket']
function_arn = resource_values['lambda_arn']
return {
'instructions': (
models.BuiltinFunction('parse_arn', [function_arn],
output_var='parsed_lambda_arn'),
models.JPSearch('account_id', input_var='parsed_lambda_arn',
output_var='account_id'),
models.APICall(
method_name='disconnect_s3_bucket_from_lambda',
params={'bucket': bucket, 'function_arn': function_arn}
),
models.APICall(
method_name='remove_permission_for_s3_event',
params={'bucket': bucket, 'function_arn': function_arn,
'account_id': Variable('account_id')}
),
)
}
def test_can_resolve_vars_in_list(self):
assert self.resolve_vars({'foo': [0, 1, Variable('myvar')]},
{'myvar': 2}) == {
'foo': [0, 1, 2]
}
def test_resolve_top_level_vars(self):
assert self.resolve_vars({'foo': Variable('myvar')},
{'myvar': 'value'}) == {
'foo': 'value'
}
def test_can_update_rest_api(self):
function = create_function_resource('function_name')
rest_api = models.RestAPI(
resource_name='rest_api',
swagger_doc={'swagger': '2.0'},
api_gateway_stage='api',
lambda_function=function,
)
self.remote_state.declare_resource_exists(rest_api)
self.remote_state.deployed_values['rest_api'] = {
'rest_api_id': 'my_rest_api_id',
}
plan = self.determine_plan(rest_api)
self.assert_loads_needed_variables(plan)
assert plan[4:] == [
models.StoreValue(name='rest_api_id', value='my_rest_api_id'),
models.RecordResourceVariable(
resource_type='rest_api',
resource_name='rest_api',
name='rest_api_id',
variable_name='rest_api_id',
),
models.APICall(
method_name='update_api_from_swagger',
params={
'rest_api_id': Variable('rest_api_id'),
'swagger_document': {
'swagger': '2.0'
},
},
),
models.APICall(
method_name='deploy_rest_api',
params={
'rest_api_id': Variable('rest_api_id'),
'api_gateway_stage': 'api'
},
),
models.APICall(
method_name='add_permission_for_apigateway_if_needed',
params={
'function_name': 'appname-dev-function_name',
'region_name': Variable('region_name'),
'account_id': Variable('account_id'),
'rest_api_id': Variable('rest_api_id')
},
),
models.APICall(
method_name='add_permission_for_apigateway_if_needed',
params={
'rest_api_id': Variable("rest_api_id"),
'region_name': Variable("region_name"),
'account_id': Variable("account_id"),
'function_name': 'appname-dev-function_name'
},
output_var=None),
models.StoreValue(
name='rest_api_url',
value=StringFormat(
'https://{rest_api_id}.execute-api.{region_name}'
'.amazonaws.com/api/',
['rest_api_id', 'region_name'],
),
),
models.RecordResourceVariable(resource_type='rest_api',
resource_name='rest_api',
name='rest_api_url',
variable_name='rest_api_url'),
]