def _prepare_invocation_for_python_lambda(
context: InvocationContext, ) -> AdditionalInvocationOptions:
# Download and initialize Python agent
_ensure_python_agent_initialized()
# If agent could not be initialized, skip here
if not THUNDRA_PYTHON_AGENT_INITIALIZED:
return None
result = AdditionalInvocationOptions()
# Make sure API key is contained in environment
result.env_updates[THUNDRA_APIKEY_ENV_VAR_NAME] = _get_apikey(
context.environment)
# Switch handler to Thundra and pass original handler to Thundra through environment variable
result.env_updates[
THUNDRA_AGENT_LAMBDA_HANDLER_ENV_VAR_NAME] = context.handler
result.updated_handler = "thundra.handler.wrapper"
# If log disable is not configured explicitly, set it to false to enable log capturing by default
log_disabled = context.environment.get(
THUNDRA_AGENT_LOG_DISABLE_ENV_VAR_NAME)
if not log_disabled:
result.env_updates[THUNDRA_AGENT_LOG_DISABLE_ENV_VAR_NAME] = "false"
# Map Thundra agent path into container so it will be accessible by Lambda function Python environment
agent_path_mapping = "-v %s/:/opt/python/" % THUNDRA_PYTHON_AGENT_LOCAL_PATH_ON_HOST
if context.docker_flags:
context.docker_flags = f"{context.docker_flags} {agent_path_mapping}"
else:
context.docker_flags = agent_path_mapping
return result
def _prepare_invocation_for_java_lambda(
context: InvocationContext) -> AdditionalInvocationOptions:
# Download and initialize Java agent
_ensure_java_agent_initialized()
# If agent could not be initialized, skip here
if not THUNDRA_JAVA_AGENT_INITIALIZED:
return None
result = AdditionalInvocationOptions()
environment = context.environment
agent_flag = "-javaagent:{agent_path}"
# Inject Thundra agent path into "JAVA_TOOL_OPTIONS" env var,
# so it will be automatically loaded on JVM startup
java_tool_opts = environment.get("JAVA_TOOL_OPTIONS", "")
if agent_flag not in java_tool_opts:
java_tool_opts += f" {agent_flag}"
result.env_updates["JAVA_TOOL_OPTIONS"] = java_tool_opts.strip()
# Disable CDS (Class Data Sharing),
# because "-javaagent" cannot be enabled when CDS is enabled on JDK 8.
# CDS can only be disabled by "_JAVA_OPTIONS" env var,
# because by default it is enabled ("-Xshare:on")
# on Lambci by command line parameters and
# "_JAVA_OPTIONS" has precedence over command line parameters
# but "JAVA_TOOL_OPTIONS" is not.
if _is_java8_lambda(context.lambda_function):
java_opts = environment.get("_JAVA_OPTIONS", "")
java_opts += " -Xshare:off"
result.env_updates["_JAVA_OPTIONS"] = java_opts.strip()
# If log disable is not configured explicitly, set it to false to enable log capturing by default
log_disabled = environment.get(THUNDRA_AGENT_LOG_DISABLE_ENV_VAR_NAME)
if not log_disabled:
result.env_updates[THUNDRA_AGENT_LOG_DISABLE_ENV_VAR_NAME] = "false"
# Make sure API key is contained in environment
result.env_updates[THUNDRA_APIKEY_ENV_VAR_NAME] = _get_apikey(environment)
# Note: The code below doesn't seem to be required, as LAMBDA_EXECUTOR=local also picks up $JAVA_TOOL_OPTIONS
# if context.lambda_command:
# result.updated_command = context.lambda_command.replace(
# "java ", f"java {agent_flag} ", 1
# )
# construct agent file path mapping
result.files_to_add["agent_path"] = THUNDRA_JAVA_AGENT_LOCAL_PATH
return result