Added tracing for requests

cnn_classification_service/main.py

@@ -1,4 +1,7 @@
 #!/usr/bin/env python3
+import jaeger_client
+import opentracing
+
 import logging
 import os
 import sys
@@ -32,12 +35,16 @@ def message_callback(channel, method, properties, body):
 
 
 def main():
+    # setup logging
+
     logging.basicConfig(
         stream=sys.stdout,
         format="%(asctime)s - %(name)s [%(levelname)s]: %(message)s",
         level=Config.LOG_LEVEL
     )
 
+    # setup observability stuffs
+
     if Config.SENTRY_DSN:
         sentry_logging = LoggingIntegration(
             level=logging.DEBUG,  # Capture info and above as breadcrumbs
@@ -53,6 +60,10 @@ def main():
             _experiments={"auto_enabling_integrations": True}
         )
 
+    jaeger_client.Config(config={}, service_name='cnn-classification-service', validate=True).initialize_tracer()
+
+    # Start the memes
+
     logging.info("Connecting to MQ service...")
     connection = pika.BlockingConnection(pika.connection.URLParameters(Config.PIKA_URL))
     channel = connection.channel()