Merge pull request #72 from Azure/dev

Merge dev -> main

CODEOWNERS

@@ -0,0 +1,14 @@
+# See https://help.github.com/articles/about-codeowners/
+# for more info about CODEOWNERS file
+#
+# It uses the same pattern rule for gitignore file
+# https://git-scm.com/docs/gitignore#_pattern_format
+
+
+
+# AZURE FUNCTIONS TEAM
+# For all file changes, github would automatically
+# include the following people in the PRs.
+# Language owners should get notified of any new changes to the proto file.
+
+src/proto/FunctionRpc.proto @vrdmr @gavin-aguiar @YunchuWang @surgupta-msft @satvu @ejizba @alrod @anatolib @kaibocai @shreyas-gopalakrishna @amamounelsayed @Francisco-Gamino

README.md

@@ -42,7 +42,8 @@ From within the Azure Functions language worker repo:
     -   Be sure to include details of the release
 2.	Create a release version, following semantic versioning guidelines ([semver.org](https://semver.org/))
 3.	Tag the version with the pattern: `v<M>.<m>.<p>-protofile` (example: `v1.1.0-protofile`)
-3.	Merge `dev` to `master`
+4.	Merge `dev` to `main`
+5.	Run the release you'd created
 
 ## Consuming FunctionRPC.proto
 *Note: Update versionNumber before running following commands*

src/proto/FunctionRpc.proto

@@ -26,21 +26,18 @@ message StreamingMessage {
   oneof content {
 
     // Worker initiates stream
-    StartStream start_stream = 20; 
+    StartStream start_stream = 20;
 
     // Host sends capabilities/init data to worker
     WorkerInitRequest worker_init_request = 17;
     // Worker responds after initializing with its capabilities & status
     WorkerInitResponse worker_init_response = 16;
 
-    // Worker periodically sends empty heartbeat message to host
-    WorkerHeartbeat worker_heartbeat = 15;
-
     // Host sends terminate message to worker.
     // Worker terminates if it can, otherwise host terminates after a grace period
     WorkerTerminate worker_terminate = 14;
 
-    // Add any worker relevant status to response
+    // Host periodically sends status request to the worker
     WorkerStatusRequest worker_status_request = 12;
     WorkerStatusResponse worker_status_response = 13;
 
@@ -49,25 +46,25 @@ message StreamingMessage {
 
     // Worker requests a desired action (restart worker, reload function)
     WorkerActionResponse worker_action_response = 7;
-    
+
     // Host sends required metadata to worker to load function
     FunctionLoadRequest function_load_request = 8;
     // Worker responds after loading with the load result
     FunctionLoadResponse function_load_response = 9;
-    
+
     // Host requests a given invocation
     InvocationRequest invocation_request = 4;
 
     // Worker responds to a given invocation
     InvocationResponse invocation_response = 5;
 
-    // Host sends cancel message to attempt to cancel an invocation. 
+    // Host sends cancel message to attempt to cancel an invocation.
     // If an invocation is cancelled, host will receive an invocation response with status cancelled.
     InvocationCancel invocation_cancel = 21;
 
     // Worker logs a message back to the host
     RpcLog rpc_log = 2;
-    
+
     FunctionEnvironmentReloadRequest function_environment_reload_request = 25;
 
     FunctionEnvironmentReloadResponse function_environment_reload_response = 26;
@@ -82,21 +79,24 @@ message StreamingMessage {
 
     // Host sends required metadata to worker to load functions
     FunctionLoadRequestCollection function_load_request_collection = 31;
+
+    // Host gets the list of function load responses
+    FunctionLoadResponseCollection function_load_response_collection = 32;
   }
 }
 
 // Process.Start required info
 //   connection details
 //   protocol type
-//   protocol version 
+//   protocol version
 
 // Worker sends the host information identifying itself
 message StartStream {
   // id of the worker
   string worker_id = 2;
 }
 
-// Host requests the worker to initialize itself 
+// Host requests the worker to initialize itself
 message WorkerInitRequest {
   // version of the host sending init request
   string host_version = 1;
@@ -110,6 +110,9 @@ message WorkerInitRequest {
 
   // Full path of worker.config.json location
   string worker_directory = 4;
+
+  // base directory for function app
+  string function_app_directory = 5;
 }
 
 // Worker responds with the result of initializing itself
@@ -144,11 +147,6 @@ message StatusResult {
   repeated RpcLog logs = 3;
 }
 
-// TODO: investigate grpc heartbeat - don't limit to grpc implemention
-
-// Message is empty by design - Will add more fields in future if needed
-message WorkerHeartbeat {}
-
 // Warning before killing the process after grace_period
 // Worker self terminates ..no response on this
 message WorkerTerminate {
@@ -179,24 +177,25 @@ message FileChangeEventRequest {
 
 // Indicates whether worker reloaded successfully or needs a restart
 message WorkerActionResponse {
-  // indicates whether a restart is needed, or reload succesfully
+  // indicates whether a restart is needed, or reload successfully
   enum Action {
     Restart = 0;
     Reload = 1;
   }
-  
+
   // action for this response
   Action action = 1;
 
   // text reason for the response
   string reason = 2;
 }
 
-// NOT USED
-message WorkerStatusRequest{
+// Used by the host to determine worker health
+message WorkerStatusRequest {
 }
 
-// NOT USED
+// Worker responds with status message
+// TODO: Add any worker relevant status to response
 message WorkerStatusResponse {
 }
 
@@ -228,6 +227,11 @@ message FunctionLoadRequestCollection {
   repeated FunctionLoadRequest function_load_requests = 1;
 }
 
+// Host gets the list of function load responses
+message FunctionLoadResponseCollection {
+  repeated FunctionLoadResponse function_load_responses = 1;
+}
+
 // Load request of a single Function
 message FunctionLoadRequest {
   // unique function identifier (avoid name collisions, facilitate reload case)
@@ -260,7 +264,7 @@ message RpcFunctionMetadata {
 
   // base directory for the Function
   string directory = 1;
-  
+
   // Script file specified
   string script_file = 2;
 
@@ -304,7 +308,7 @@ message FunctionMetadataResponse {
   StatusResult result = 2;
 
   // if set to true then host will perform indexing
-  bool useDefaultMetadataIndexing = 3;
+  bool use_default_metadata_indexing = 3;
 }
 
 // Host requests worker to invoke a Function
@@ -481,7 +485,7 @@ message BindingInfo {
   DataType data_type = 4;
 }
 
-// Used to send logs back to the Host 
+// Used to send logs back to the Host
 message RpcLog {
   // Matching ILogger semantics
   // https://github.com/aspnet/Logging/blob/9506ccc3f3491488fe88010ef8b9eb64594abf95/src/Microsoft.Extensions.Logging/Logger.cs
@@ -532,7 +536,7 @@ message RpcLog {
   map<string, TypedData> propertiesMap = 9;
 }
 
-// Encapsulates an Exception 
+// Encapsulates an Exception
 message RpcException {
   // Source of the exception
   string source = 3;
@@ -542,6 +546,14 @@ message RpcException {
 
   // Textual message describing the exception
   string message = 2;
+
+  // Worker specifies whether exception is a user exception, 
+  // for purpose of application insights logging. Defaults to false. 
+  optional bool is_user_exception = 4;
+
+  // Type of exception. If it's a user exception, the type is passed along to app insights.
+  // Otherwise, it's ignored for now.
+  optional string type = 5; 
 }
 
 // Http cookie type. Note that only name and value are used for Http requests
@@ -586,7 +598,7 @@ message RpcHttpCookie {
 // TODO - solidify this or remove it
 message RpcHttp {
   string method = 1;
-  string url = 2; 
+  string url = 2;
   map<string,string> headers = 3;
   TypedData body = 4;
   map<string,string> params = 10;