Lambda - Add actual logs to LogResult, instead of replicating the response

This commit is contained in:
Bert Blommers 2020-05-07 10:40:24 +01:00
parent 34911b7c8b
commit be5b1c592f
2 changed files with 18 additions and 17 deletions

View File

@ -379,6 +379,7 @@ class LambdaFunction(BaseModel):
event = dict() event = dict()
if context is None: if context is None:
context = {} context = {}
output = None
try: try:
# TODO: I believe we can keep the container running and feed events as needed # TODO: I believe we can keep the container running and feed events as needed
@ -394,7 +395,7 @@ class LambdaFunction(BaseModel):
env_vars.update(self.environment_vars) env_vars.update(self.environment_vars)
container = output = exit_code = None container = exit_code = None
log_config = docker.types.LogConfig(type=docker.types.LogConfig.types.JSON) log_config = docker.types.LogConfig(type=docker.types.LogConfig.types.JSON)
with _DockerDataVolumeContext(self) as data_vol: with _DockerDataVolumeContext(self) as data_vol:
try: try:
@ -455,24 +456,28 @@ class LambdaFunction(BaseModel):
# We only care about the response from the lambda # We only care about the response from the lambda
# Which is the last line of the output, according to https://github.com/lambci/docker-lambda/issues/25 # Which is the last line of the output, according to https://github.com/lambci/docker-lambda/issues/25
output = output.splitlines()[-1] resp = output.splitlines()[-1]
return output, False logs = os.linesep.join(
[line for line in self.convert(output).splitlines()[:-1]]
)
return resp, False, logs
except BaseException as e: except BaseException as e:
traceback.print_exc() traceback.print_exc()
return "error running lambda: {}".format(e), True logs = os.linesep.join(
[line for line in self.convert(output).splitlines()[:-1]]
)
return "error running lambda: {}".format(e), True, logs
def invoke(self, body, request_headers, response_headers): def invoke(self, body, request_headers, response_headers):
payload = dict()
if body: if body:
body = json.loads(body) body = json.loads(body)
# Get the invocation type: # Get the invocation type:
res, errored = self._invoke_lambda(code=self.code, event=body) res, errored, logs = self._invoke_lambda(code=self.code, event=body)
if request_headers.get("x-amz-invocation-type") == "RequestResponse": if request_headers.get("x-amz-invocation-type") == "RequestResponse":
encoded = base64.b64encode(res.encode("utf-8")) encoded = base64.b64encode(logs.encode("utf-8"))
response_headers["x-amz-log-result"] = encoded.decode("utf-8") response_headers["x-amz-log-result"] = encoded.decode("utf-8")
payload["result"] = response_headers["x-amz-log-result"]
result = res.encode("utf-8") result = res.encode("utf-8")
else: else:
result = res result = res

View File

@ -43,6 +43,7 @@ def _process_lambda(func_str):
def get_test_zip_file1(): def get_test_zip_file1():
pfunc = """ pfunc = """
def lambda_handler(event, context): def lambda_handler(event, context):
print("custom log event")
return event return event
""" """
return _process_lambda(pfunc) return _process_lambda(pfunc)
@ -115,11 +116,11 @@ def test_invoke_requestresponse_function():
) )
success_result["StatusCode"].should.equal(200) success_result["StatusCode"].should.equal(200)
result_obj = json.loads( logs = base64.b64decode(success_result["LogResult"]).decode("utf-8")
base64.b64decode(success_result["LogResult"]).decode("utf-8")
)
result_obj.should.equal(in_data) logs.should.contain("START RequestId:")
logs.should.contain("custom log event")
logs.should.contain("END RequestId:")
payload = success_result["Payload"].read().decode("utf-8") payload = success_result["Payload"].read().decode("utf-8")
json.loads(payload).should.equal(in_data) json.loads(payload).should.equal(in_data)
@ -152,11 +153,6 @@ def test_invoke_requestresponse_function_with_arn():
) )
success_result["StatusCode"].should.equal(200) success_result["StatusCode"].should.equal(200)
result_obj = json.loads(
base64.b64decode(success_result["LogResult"]).decode("utf-8")
)
result_obj.should.equal(in_data)
payload = success_result["Payload"].read().decode("utf-8") payload = success_result["Payload"].read().decode("utf-8")
json.loads(payload).should.equal(in_data) json.loads(payload).should.equal(in_data)