Merge pull request #60 from Azure/dev

Merge dev into main

Author: liliankasem

src/proto/FunctionRpc.proto

@@ -67,14 +67,18 @@ message StreamingMessage {
 
     // Worker logs a message back to the host
     RpcLog rpc_log = 2;
-
+    
     FunctionEnvironmentReloadRequest function_environment_reload_request = 25;
 
     FunctionEnvironmentReloadResponse function_environment_reload_response = 26;
 
     // Ask the worker to close any open shared memory resources for a given invocation
     CloseSharedMemoryResourcesRequest close_shared_memory_resources_request = 27;
     CloseSharedMemoryResourcesResponse close_shared_memory_resources_response = 28;
+
+    // Worker indexing message types
+    FunctionsMetadataRequest functions_metadata_request = 29;
+    FunctionMetadataResponses function_metadata_responses = 30;
   }
 }
 
@@ -260,6 +264,30 @@ message RpcFunctionMetadata {
 
   // Is set to true for proxy
   bool is_proxy = 7;
+
+  // Function indexing status
+  StatusResult status = 8;
+
+  // Function language
+  string language = 9;
+
+  // Raw binding info
+  repeated string raw_bindings = 10;
+}
+
+// Host tells worker it is ready to receive metadata
+message FunctionsMetadataRequest {
+  // base directory for function app
+  string function_app_directory = 1;
+}
+
+// Worker sends function metadata back to host
+message FunctionMetadataResponses {
+  // list of function indexing responses
+  repeated FunctionLoadRequest function_load_requests_results = 1;
+
+  // status of overall metadata request
+  StatusResult result = 2;
 }
 
 // Host requests worker to invoke a Function
@@ -453,8 +481,9 @@ message RpcLog {
 
   // Category of the log. Defaults to User if not specified.
   enum RpcLogCategory {
-	User = 0;
-	System = 1;
+    User = 0;
+    System = 1;
+    CustomMetric = 2;
   }
 
   // Unique id for invocation (if exists)
@@ -476,11 +505,14 @@ message RpcLog {
   // Exception (if exists)
   RpcException exception = 6;
 
-  // json serialized property bag, or could use a type scheme like map<string, TypedData>
+  // json serialized property bag
   string properties = 7;
 
-  // Category of the log. Either user(default) or system.
+  // Category of the log. Either user(default), system, or custom metric.
   RpcLogCategory log_category = 8;
+
+  // strongly-typed (ish) property bag
+  map<string, TypedData> propertiesMap = 9;
 }
 
 // Encapsulates an Exception