Merging dev to master (#115)

* Add support for grpcMaxMessageLength command line argument
* Pin the dependencies and set the version to 2.0.0 alpha 2 dev
* Downgrade version to 1.0

Author: pragnagopa

azure/worker/__init__.py

@@ -2,13 +2,15 @@
 from . import dispatcher
 
 
-async def start_async(host, port, worker_id, request_id):
+async def start_async(host, port, worker_id, request_id, grpc_max_msg_len):
     disp = await dispatcher.Dispatcher.connect(
         host, port, worker_id, request_id,
-        connect_timeout=5.0)
+        connect_timeout=5.0, max_msg_len=grpc_max_msg_len)
 
     await disp.dispatch_forever()
 
 
-def start(host: str, port: int, worker_id: str, request_id: str):
-    return aio_compat.run(start_async(host, port, worker_id, request_id))
+def start(host: str, port: int, worker_id: str, request_id: str,
+          grpc_max_msg_len: int):
+    return aio_compat.run(start_async(
+        host, port, worker_id, request_id, grpc_max_msg_len))

azure/worker/bindings/http.py

@@ -97,7 +97,7 @@ def to_proto(cls, obj: typing.Any, *,
                 http=protos.RpcHttp(
                     status_code=str(status),
                     headers=headers,
-                    is_raw=True,
+                    enable_content_negotiation=False,
                     body=body))
 
         raise NotImplementedError

azure/worker/dispatcher.py

@@ -35,7 +35,7 @@ class Dispatcher(metaclass=DispatcherMeta):
     _GRPC_STOP_RESPONSE = object()
 
     def __init__(self, loop, host, port, worker_id, request_id,
-                 grpc_connect_timeout):
+                 grpc_connect_timeout, grpc_max_msg_len):
         self._loop = loop
         self._host = host
         self._port = port
@@ -56,6 +56,7 @@ def __init__(self, loop, host, port, worker_id, request_id,
             max_workers=1)
 
         self._grpc_connect_timeout = grpc_connect_timeout
+        self._grpc_max_msg_len = grpc_max_msg_len
         self._grpc_resp_queue: queue.Queue = queue.Queue()
         self._grpc_connected_fut = loop.create_future()
         self._grpc_thread = threading.Thread(
@@ -65,9 +66,10 @@ def __init__(self, loop, host, port, worker_id, request_id,
 
     @classmethod
     async def connect(cls, host, port, worker_id, request_id,
-                      connect_timeout):
+                      connect_timeout, max_msg_len=None):
         loop = asyncio._get_running_loop()
-        disp = cls(loop, host, port, worker_id, request_id, connect_timeout)
+        disp = cls(loop, host, port, worker_id, request_id,
+                   connect_timeout, max_msg_len)
         disp._grpc_thread.start()
         await disp._grpc_connected_fut
         return disp
@@ -319,7 +321,15 @@ def __run_sync_func(self, invocation_id, func, params):
             _invocation_id_local.v = None
 
     def __poll_grpc(self):
-        channel = grpc.insecure_channel(f'{self._host}:{self._port}')
+        options = []
+        if self._grpc_max_msg_len:
+            options.append(('grpc.max_receive_message_length',
+                            self._grpc_max_msg_len))
+            options.append(('grpc.max_send_message_length',
+                            self._grpc_max_msg_len))
+
+        channel = grpc.insecure_channel(
+            f'{self._host}:{self._port}', options)
 
         try:
             grpc.channel_ready_future(channel).result(

azure/worker/protos/.gitignore

@@ -1,2 +1,3 @@
+/_src
 *_pb2.py
 *_pb2_grpc.py

azure/worker/protos/_src/.gitignore

@@ -0,0 +1,288 @@
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+
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azure/worker/protos/_src/LICENSE

@@ -0,0 +1,21 @@
+    MIT License
+
+    Copyright (c) Microsoft Corporation. All rights reserved.
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE