def _remove_new_relic(config, region):
runtime = config["Configuration"]["Runtime"]
if runtime not in utils.RUNTIME_CONFIG:
failure(
"Unsupported Lambda runtime for '%s': %s"
% (config["Configuration"]["FunctionArn"], runtime)
)
return
handler = config["Configuration"]["Handler"]
# Detect non-New Relic handler and error if necessary.
if not utils.is_valid_handler(runtime, handler):
failure(
"New Relic installation (via layers) not auto-detected for the specified "
"function '%s'. Unrecognized handler in deployed function."
% config["Configuration"]["FunctionArn"]
)
return
env_handler = (
config["Configuration"]
.get("Environment", {})
.get("Variables", {})
.get("NEW_RELIC_LAMBDA_HANDLER")
)
if not env_handler:
failure(
"New Relic installation (via layers) not auto-detected for the specified "
"function '%s'. Environment variable NEW_RELIC_LAMBDA_HANDLER not found."
% config["Configuration"]["FunctionArn"]
)
return
# Delete New Relic env vars
config["Configuration"]["Environment"]["Variables"] = {
key: value
for key, value in config["Configuration"]
.get("Environment", {})
.get("Variables", {})
.items()
if not key.startswith("NEW_RELIC")
}
# Remove New Relic layers
layers = [
layer["Arn"]
for layer in config["Configuration"].get("Layers")
if not layer["Arn"].startswith(utils.get_arn_prefix(region))
]
return {
"FunctionName": config["Configuration"]["FunctionArn"],
"Handler": env_handler,
"Environment": config["Configuration"]["Environment"],
"Layers": layers,
}
def _remove_new_relic(input, config):
assert isinstance(input, LayerUninstall)
aws_region = input.session.region_name
runtime = config["Configuration"]["Runtime"]
if runtime not in utils.RUNTIME_CONFIG:
failure("Unsupported Lambda runtime for '%s': %s" %
(config["Configuration"]["FunctionArn"], runtime))
return True
handler = config["Configuration"]["Handler"]
# For java runtimes we need to remove the method name before
# validating because method names are variable
if "java" in runtime:
handler = handler.split("::", 1)[0] + "::"
# Detect non-New Relic handler and error if necessary.
if not utils.is_valid_handler(runtime, handler):
failure(
"New Relic installation (via layers) not auto-detected for the specified "
"function '%s'. Unrecognized handler in deployed function." %
config["Configuration"]["FunctionArn"])
return False
env_handler = (config["Configuration"].get("Environment", {}).get(
"Variables", {}).get("NEW_RELIC_LAMBDA_HANDLER"))
# Delete New Relic env vars
config["Configuration"]["Environment"]["Variables"] = {
key: value
for key, value in config["Configuration"].get("Environment", {}).get(
"Variables", {}).items() if key not in NEW_RELIC_ENV_VARS
}
# Remove New Relic layers
layers = [
layer["Arn"] for layer in config["Configuration"].get("Layers")
if not layer["Arn"].startswith(utils.get_arn_prefix(aws_region))
]
return {
"FunctionName":
config["Configuration"]["FunctionArn"],
"Handler":
env_handler if env_handler else config["Configuration"]["Handler"],
"Environment":
config["Configuration"]["Environment"],
"Layers":
layers,
}
def test_is_valid_handler():
assert is_valid_handler("fakeruntime", "not.a.valid.handler") is False
assert is_valid_handler("python3.8",
"newrelic_lambda_wrapper.handler") is True