added basic tracing

storage_service/app.py

@@ -13,6 +13,11 @@ from views import ObjectView
 
 from config import Config
 
+# Tracing stuffs
+import jaeger_client
+import opentracing
+from flask_opentracing import FlaskTracing
+
 # Setup sentry
 if Config.SENTRY_DSN:
     sentry_sdk.init(
@@ -38,6 +43,17 @@ health = HealthCheck()
 # register error handlers
 register_all_error_handlers(app)
 
+
+# Setup tracing
+def initialize_tracer():
+    app.logger.info("Initializing jaeger...")
+    jaeger_cfg = jaeger_client.Config(config={}, service_name='storage-service', validate=True)
+    tracer = jaeger_cfg.initialize_tracer()
+    return tracer
+
+
+tracing = FlaskTracing(initialize_tracer, True, app)
+
 # register views
 for view in [ObjectView]:
     view.register(app, trailing_slash=False)