def create_lambda(self, envs: EnvSettings):
is_app_only = self.node.try_get_context("is_app_only")
if is_app_only == "true":
code = Code.from_asset(
path="../backend/functions/image_resize/.serverless/main.zip")
else:
code = Code.from_cfn_parameters()
function = Function(
self,
"image-resize-lambda",
function_name=f"{envs.project_name}-image-resize",
code=code,
handler="index.handler",
runtime=Runtime.NODEJS_12_X,
memory_size=512,
timeout=Duration.seconds(30),
tracing=Tracing.ACTIVE,
)
api_gateway = LambdaRestApi(
self,
"ImageResizeLambdaApi",
rest_api_name=f"{envs.project_name}-image-resize",
handler=function)
return function, code, api_gateway
def _create_lambda_fn(self, envs: EnvSettings, memory_size: int,
queue: Queue):
is_app_only = self.node.try_get_context("is_app_only")
if is_app_only == "true":
code = Code.from_asset(
path="../backend/functions/worker/.serverless/main.zip")
else:
code = Code.from_cfn_parameters()
function = Function(
self,
f"data-processing-worker-{memory_size}",
function_name=f"{envs.project_name}-data-processing-{memory_size}",
code=code,
runtime=Runtime.PYTHON_3_8,
handler="handler.main",
environment={
"AWS_STORAGE_BUCKET_NAME":
self.app_bucket.bucket_name,
"IMAGE_SCRAPING_FETCH_TIMEOUT":
"15",
"AWS_IMAGE_STORAGE_BUCKET_NAME":
self.resize_lambda_image_bucket.bucket_name,
"AWS_IMAGE_STATIC_URL":
self.resize_lambda_image_bucket.bucket_website_url,
"BACKEND_URL":
self.backend_url,
"LAMBDA_AUTH_TOKEN":
self.lambda_auth_token.secret_value.to_string(),
},
memory_size=memory_size,
timeout=Duration.seconds(300),
tracing=Tracing.ACTIVE,
)
function.add_event_source(SqsEventSource(queue, batch_size=1))
self.app_bucket.grant_read_write(function.role)
self.resize_lambda_image_bucket.grant_read_write(function.role)
return function, code