Add db for both name and database_index

Author: srikanthccv

instrumentation/opentelemetry-instrumentation-redis/src/opentelemetry/instrumentation/redis/util.py

@@ -23,10 +23,8 @@ def _extract_conn_attributes(conn_kwargs):
         "db.system": "redis",
     }
     db = conn_kwargs.get("db", 0)
-    if db == 0:
-        attributes["db.name"] = db
-    else:
-        attributes["db.redis.database_index"] = db
+    attributes["db.name"] = db
+    attributes["db.redis.database_index"] = db
     try:
         attributes["net.peer.name"] = conn_kwargs["host"]
         attributes["net.peer.ip"] = conn_kwargs["port"]

tests/opentelemetry-docker-tests/tests/redis/test_redis_functional.py

@@ -134,7 +134,6 @@ def _check_span(self, span, name):
         self.assertEqual(span.attributes["net.peer.name"], "localhost")
         self.assertEqual(span.attributes["net.peer.ip"], 6379)
         self.assertEqual(span.attributes["db.redis.database_index"], 10)
-        self.assertNotIn("db.name", span.attributes)
 
     def test_get(self):
         self.assertIsNone(self.redis_client.get("foo"))