RHINENG-17707 add unleash check to the legacy backend (#739)

Author: r14chandra

ros/lib/unleash.py

@@ -16,3 +16,15 @@
 
 unleash_client.initialize_client()
 logger.info(f"Unleash client initialized: {unleash_client.is_initialized}")
+
+
+def is_feature_flag_enabled(org_id, flag_name, service_name):
+    context = {"userId": org_id}
+    is_enabled = unleash_client.is_enabled(flag_name, context)
+
+    logger.debug(
+        f"{service_name} - Feature flag {flag_name} is {'enabled' if is_enabled else 'disabled'} "
+        f"for org_id {org_id}"
+    )
+
+    return is_enabled

ros/processor/insights_engine_consumer.py

@@ -10,7 +10,8 @@
     METRICS_PORT,
     get_logger,
     CACHE_KEYWORD_FOR_DELETED_SYSTEM,
-    GROUP_ID
+    GROUP_ID,
+    UNLEASH_ROS_V2_FLAG
 )
 from ros.processor.process_archive import get_performance_profile
 from ros.processor.notification_event_producer import new_suggestion_event
@@ -26,6 +27,7 @@
 from ros.processor.metrics import (processor_requests_success,
                                    processor_requests_failures,
                                    kafka_failures)
+from ros.lib.unleash import is_feature_flag_enabled
 
 LOG = get_logger(__name__)
 
@@ -70,6 +72,11 @@ def run(self):
                 raise KafkaException(msg.error())
             try:
                 msg = json.loads(msg.value().decode("utf-8"))
+
+                org_id = msg["input"]["platform_metadata"].get('org_id')
+                if is_feature_flag_enabled(org_id, UNLEASH_ROS_V2_FLAG, self.prefix):
+                    continue
+
                 self.handle_msg(msg)
             except json.decoder.JSONDecodeError:
                 kafka_failures.labels(reporter=self.reporter).inc()

ros/processor/inventory_events_consumer.py

@@ -14,12 +14,14 @@
     get_logger,
     CACHE_TIMEOUT_FOR_DELETED_SYSTEM,
     CACHE_KEYWORD_FOR_DELETED_SYSTEM,
-    GROUP_ID
+    GROUP_ID,
+    UNLEASH_ROS_V2_FLAG
 )
 from ros.lib.cw_logging import commence_cw_log_streaming, threadctx
 from ros.processor.metrics import (processor_requests_success,
                                    processor_requests_failures,
                                    kafka_failures)
+from ros.lib.unleash import is_feature_flag_enabled
 
 LOG = get_logger(__name__)
 
@@ -82,6 +84,9 @@ def run(self):
                 threadctx.account = account
                 threadctx.org_id = org_id
 
+                if is_feature_flag_enabled(org_id, UNLEASH_ROS_V2_FLAG, self.prefix):
+                    continue
+
                 if event_type in self.event_type_map.keys():
                     handler = self.event_type_map[event_type]
                     handler(msg)