def test_can_generate_cloudwatch_event(self):
function = self.lambda_function()
event = models.CloudWatchEvent(
resource_name='foo-event',
rule_name='myrule',
event_pattern='{"source": ["aws.ec2"]}',
lambda_function=function,
)
template = self.template_gen.generate(
[function, event]
)
resources = template['Resources']
assert len(resources) == 1
cfn_resource = list(resources.values())[0]
assert cfn_resource['Properties']['Events'] == {
'FooEvent': {
'Type': 'CloudWatchEvent',
'Properties': {
'Pattern': {
'source': [
'aws.ec2'
]
}
},
},
}
def _create_cwe_subscription(
self,
config, # type: Config
deployment, # type: models.DeploymentPackage
event_source, # type: app.CloudWatchEventConfig
stage_name, # type: str
):
# type: (...) -> models.CloudWatchEvent
lambda_function = self._create_lambda_model(
config=config,
deployment=deployment,
name=event_source.name,
handler_name=event_source.handler_string,
stage_name=stage_name)
resource_name = event_source.name + '-event'
rule_name = '%s-%s-%s' % (config.app_name, config.chalice_stage,
resource_name)
cwe = models.CloudWatchEvent(
resource_name=resource_name,
rule_name=rule_name,
event_pattern=json.dumps(event_source.event_pattern),
lambda_function=lambda_function,
)
return cwe
def test_can_generate_cloudwatch_event(self):
function = self.lambda_function()
event = models.CloudWatchEvent(
resource_name='foo-event',
rule_name='myrule',
event_pattern='{"source": ["aws.ec2"]}',
lambda_function=function,
)
template = self.template_gen.generate(
[function, event]
)
rule = template['resource'][
'aws_cloudwatch_event_rule'][event.resource_name]
assert rule == {
'name': event.resource_name,
'event_pattern': event.event_pattern}
target = template['resource'][
'aws_cloudwatch_event_target'][event.resource_name]
assert target == {
'target_id': 'foo-event',
'rule': '${aws_cloudwatch_event_rule.foo-event.name}',
'arn': '${aws_lambda_function.foo.arn}'
}