moto/moto/awslambda/responses.py

360 lines
13 KiB
Python

from __future__ import unicode_literals
import json
try:
from urllib import unquote
except ImportError:
from urllib.parse import unquote
from moto.core.utils import amz_crc32, amzn_request_id, path_url
from moto.core.responses import BaseResponse
from .models import lambda_backends
class LambdaResponse(BaseResponse):
@property
def json_body(self):
"""
:return: JSON
:rtype: dict
"""
return json.loads(self.body)
@property
def lambda_backend(self):
"""
Get backend
:return: Lambda Backend
:rtype: moto.awslambda.models.LambdaBackend
"""
return lambda_backends[self.region]
def root(self, request, full_url, headers):
self.setup_class(request, full_url, headers)
if request.method == "GET":
return self._list_functions(request, full_url, headers)
elif request.method == "POST":
return self._create_function(request, full_url, headers)
else:
raise ValueError("Cannot handle request")
def event_source_mappings(self, request, full_url, headers):
self.setup_class(request, full_url, headers)
if request.method == "GET":
querystring = self.querystring
event_source_arn = querystring.get("EventSourceArn", [None])[0]
function_name = querystring.get("FunctionName", [None])[0]
return self._list_event_source_mappings(event_source_arn, function_name)
elif request.method == "POST":
return self._create_event_source_mapping(request, full_url, headers)
else:
raise ValueError("Cannot handle request")
def event_source_mapping(self, request, full_url, headers):
self.setup_class(request, full_url, headers)
path = request.path if hasattr(request, "path") else path_url(request.url)
uuid = path.split("/")[-1]
if request.method == "GET":
return self._get_event_source_mapping(uuid)
elif request.method == "PUT":
return self._update_event_source_mapping(uuid)
elif request.method == "DELETE":
return self._delete_event_source_mapping(uuid)
else:
raise ValueError("Cannot handle request")
def function(self, request, full_url, headers):
self.setup_class(request, full_url, headers)
if request.method == "GET":
return self._get_function(request, full_url, headers)
elif request.method == "DELETE":
return self._delete_function(request, full_url, headers)
else:
raise ValueError("Cannot handle request")
def versions(self, request, full_url, headers):
self.setup_class(request, full_url, headers)
if request.method == "GET":
# This is ListVersionByFunction
path = request.path if hasattr(request, "path") else path_url(request.url)
function_name = path.split("/")[-2]
return self._list_versions_by_function(function_name)
elif request.method == "POST":
return self._publish_function(request, full_url, headers)
else:
raise ValueError("Cannot handle request")
@amz_crc32
@amzn_request_id
def invoke(self, request, full_url, headers):
self.setup_class(request, full_url, headers)
if request.method == "POST":
return self._invoke(request, full_url)
else:
raise ValueError("Cannot handle request")
@amz_crc32
@amzn_request_id
def invoke_async(self, request, full_url, headers):
self.setup_class(request, full_url, headers)
if request.method == "POST":
return self._invoke_async(request, full_url)
else:
raise ValueError("Cannot handle request")
def tag(self, request, full_url, headers):
self.setup_class(request, full_url, headers)
if request.method == "GET":
return self._list_tags(request, full_url)
elif request.method == "POST":
return self._tag_resource(request, full_url)
elif request.method == "DELETE":
return self._untag_resource(request, full_url)
else:
raise ValueError("Cannot handle {0} request".format(request.method))
def policy(self, request, full_url, headers):
self.setup_class(request, full_url, headers)
if request.method == "GET":
return self._get_policy(request, full_url, headers)
if request.method == "POST":
return self._add_policy(request, full_url, headers)
def configuration(self, request, full_url, headers):
self.setup_class(request, full_url, headers)
if request.method == "PUT":
return self._put_configuration(request)
else:
raise ValueError("Cannot handle request")
def code(self, request, full_url, headers):
self.setup_class(request, full_url, headers)
if request.method == "PUT":
return self._put_code()
else:
raise ValueError("Cannot handle request")
def _add_policy(self, request, full_url, headers):
path = request.path if hasattr(request, "path") else path_url(request.url)
function_name = path.split("/")[-2]
if self.lambda_backend.get_function(function_name):
policy = self.body
self.lambda_backend.add_policy(function_name, policy)
return 200, {}, json.dumps(dict(Statement=policy))
else:
return 404, {}, "{}"
def _get_policy(self, request, full_url, headers):
path = request.path if hasattr(request, "path") else path_url(request.url)
function_name = path.split("/")[-2]
if self.lambda_backend.get_function(function_name):
lambda_function = self.lambda_backend.get_function(function_name)
return (
200,
{},
json.dumps(
dict(Policy='{"Statement":[' + lambda_function.policy + "]}")
),
)
else:
return 404, {}, "{}"
def _invoke(self, request, full_url):
response_headers = {}
function_name = self.path.rsplit("/", 2)[-2]
qualifier = self._get_param("qualifier")
response_header, payload = self.lambda_backend.invoke(
function_name, qualifier, self.body, self.headers, response_headers
)
if payload:
return 202, response_headers, payload
else:
return 404, response_headers, "{}"
def _invoke_async(self, request, full_url):
response_headers = {}
function_name = self.path.rsplit("/", 3)[-3]
fn = self.lambda_backend.get_function(function_name, None)
if fn:
payload = fn.invoke(self.body, self.headers, response_headers)
response_headers["Content-Length"] = str(len(payload))
return 202, response_headers, payload
else:
return 404, response_headers, "{}"
def _list_functions(self, request, full_url, headers):
result = {"Functions": []}
for fn in self.lambda_backend.list_functions():
json_data = fn.get_configuration()
json_data["Version"] = "$LATEST"
result["Functions"].append(json_data)
return 200, {}, json.dumps(result)
def _list_versions_by_function(self, function_name):
result = {"Versions": []}
functions = self.lambda_backend.list_versions_by_function(function_name)
if functions:
for fn in functions:
json_data = fn.get_configuration()
result["Versions"].append(json_data)
return 200, {}, json.dumps(result)
def _create_function(self, request, full_url, headers):
try:
fn = self.lambda_backend.create_function(self.json_body)
except ValueError as e:
return (
400,
{},
json.dumps({"Error": {"Code": e.args[0], "Message": e.args[1]}}),
)
else:
config = fn.get_configuration()
return 201, {}, json.dumps(config)
def _create_event_source_mapping(self, request, full_url, headers):
try:
fn = self.lambda_backend.create_event_source_mapping(self.json_body)
except ValueError as e:
return (
400,
{},
json.dumps({"Error": {"Code": e.args[0], "Message": e.args[1]}}),
)
else:
config = fn.get_configuration()
return 201, {}, json.dumps(config)
def _list_event_source_mappings(self, event_source_arn, function_name):
esms = self.lambda_backend.list_event_source_mappings(
event_source_arn, function_name
)
result = {"EventSourceMappings": [esm.get_configuration() for esm in esms]}
return 200, {}, json.dumps(result)
def _get_event_source_mapping(self, uuid):
result = self.lambda_backend.get_event_source_mapping(uuid)
if result:
return 200, {}, json.dumps(result.get_configuration())
else:
return 404, {}, "{}"
def _update_event_source_mapping(self, uuid):
result = self.lambda_backend.update_event_source_mapping(uuid, self.json_body)
if result:
return 202, {}, json.dumps(result.get_configuration())
else:
return 404, {}, "{}"
def _delete_event_source_mapping(self, uuid):
esm = self.lambda_backend.delete_event_source_mapping(uuid)
if esm:
json_result = esm.get_configuration()
json_result.update({"State": "Deleting"})
return 202, {}, json.dumps(json_result)
else:
return 404, {}, "{}"
def _publish_function(self, request, full_url, headers):
function_name = self.path.rsplit("/", 2)[-2]
fn = self.lambda_backend.publish_function(function_name)
if fn:
config = fn.get_configuration()
return 201, {}, json.dumps(config)
else:
return 404, {}, "{}"
def _delete_function(self, request, full_url, headers):
function_name = unquote(self.path.rsplit("/", 1)[-1])
qualifier = self._get_param("Qualifier", None)
if self.lambda_backend.delete_function(function_name, qualifier):
return 204, {}, ""
else:
return 404, {}, "{}"
def _get_function(self, request, full_url, headers):
function_name = unquote(self.path.rsplit("/", 1)[-1])
qualifier = self._get_param("Qualifier", None)
fn = self.lambda_backend.get_function(function_name, qualifier)
if fn:
code = fn.get_code()
if qualifier is None or qualifier == "$LATEST":
code["Configuration"]["Version"] = "$LATEST"
if qualifier == "$LATEST":
code["Configuration"]["FunctionArn"] += ":$LATEST"
return 200, {}, json.dumps(code)
else:
return 404, {}, "{}"
def _get_aws_region(self, full_url):
region = self.region_regex.search(full_url)
if region:
return region.group(1)
else:
return self.default_region
def _list_tags(self, request, full_url):
function_arn = unquote(self.path.rsplit("/", 1)[-1])
fn = self.lambda_backend.get_function_by_arn(function_arn)
if fn:
return 200, {}, json.dumps({"Tags": fn.tags})
else:
return 404, {}, "{}"
def _tag_resource(self, request, full_url):
function_arn = unquote(self.path.rsplit("/", 1)[-1])
if self.lambda_backend.tag_resource(function_arn, self.json_body["Tags"]):
return 200, {}, "{}"
else:
return 404, {}, "{}"
def _untag_resource(self, request, full_url):
function_arn = unquote(self.path.rsplit("/", 1)[-1])
tag_keys = self.querystring["tagKeys"]
if self.lambda_backend.untag_resource(function_arn, tag_keys):
return 204, {}, "{}"
else:
return 404, {}, "{}"
def _put_configuration(self, request):
function_name = self.path.rsplit("/", 2)[-2]
qualifier = self._get_param("Qualifier", None)
resp = self.lambda_backend.update_function_configuration(
function_name, qualifier, body=self.json_body
)
if resp:
return 200, {}, json.dumps(resp)
else:
return 404, {}, "{}"
def _put_code(self):
function_name = self.path.rsplit("/", 2)[-2]
qualifier = self._get_param("Qualifier", None)
resp = self.lambda_backend.update_function_code(
function_name, qualifier, body=self.json_body
)
if resp:
return 200, {}, json.dumps(resp)
else:
return 404, {}, "{}"