Changes made to stabilize serverless support

Author: bhogayatakb

middleware/config.py

@@ -37,6 +37,25 @@ def __init__(self):
 
         self.exporter_otlp_endpoint = f"http://{source_service_url}:9319"
         self.resource_attributes = f"{project_name_attr}mw.app.lang=python,runtime.metrics.python=true"
+        
+        # Allowing users to override full OTLP endpoint 
+        # Priority OTEL_EXPORTER_OTLP_ENDPOINT > MW_TARGET
+        mw_target = os.environ.get("MW_TARGET", None)
+        if mw_target is not None and mw_target != "":
+            self.exporter_otlp_endpoint = mw_target
+            
+        exporter_otlp_endpoint = os.environ.get("OTEL_EXPORTER_OTLP_ENDPOINT", None)
+        if exporter_otlp_endpoint is not None and exporter_otlp_endpoint != "":
+            self.exporter_otlp_endpoint = exporter_otlp_endpoint
+        
+        # Allowing users to pass Middleware API Key via ENV variable
+        mw_api_key = os.environ.get("MW_API_KEY", None)
+        if mw_api_key is not None and mw_api_key != "":
+            self.access_token = mw_api_key
+        
+        # Passing Middleware API Key as a resource attribute, to validate ingestion requests in serverless setup
+        if self.access_token is not None and self.access_token != "":
+            self.resource_attributes = f"{self.resource_attributes},mw.account_key={self.access_token}"
 
     def get_config(self, section, key, default):
         return self.config.get(section, key, fallback=default)

setup.py

@@ -19,7 +19,7 @@
 
 setuptools.setup(
     name="middleware-apm",
-    version="0.7.0",
+    version="1.0.0",
     install_requires=requirements,
     author="middleware-dev",
     maintainer="middleware-dev",