refactor main_rotation_cycle to streamline node processing and container management

rotate/rotate.py

@@ -281,17 +281,13 @@ def main_rotation_cycle():
 
     logger.info("Starting nexus rotation cycle")
 
-    while True:
-        cycle_count += 1
-        logger.info(f"=== Starting cycle #{cycle_count} ===")
 
-        try:
     # Get next node
     node = get_next_node(grist, logger)
     if not node:
         logger.error("No node available, waiting 60 seconds before retry")
         time.sleep(60)
-                continue
+        return
 
     node_id = node.NodeID
     current_hours = int(node.Hours)
@@ -311,7 +307,7 @@ def main_rotation_cycle():
         grist.update(node.id, {"Hours": current_hours}, "Nodes")
         logger.info(f"Reverted node {node_id} hours back to: {current_hours}")
         time.sleep(60)
-                continue
+        return
 
     logger.info(f"Container started successfully for node {node_id}")
     
@@ -348,7 +344,7 @@ def main_rotation_cycle():
     # If container failed during the cycle, skip to next iteration
     if container_failed:
         logger.error(f"Container failed during cycle for node {node_id}, moving to next node")
-                continue
+        return
 
     # Stop and remove container
     logger.info(f"5 hours completed for node {node_id}, stopping container")
@@ -361,17 +357,7 @@ def main_rotation_cycle():
 
     logger.info(f"=== Cycle #{cycle_count} completed for node {node_id} ===")
 
-        except KeyboardInterrupt:
-            logger.info("Received keyboard interrupt, stopping rotation")
-            stop_and_remove_container(container_name, logger)
-            break
-        except Exception as e:
-            logger.error(f"Cycle #{cycle_count} failed with error: {str(e)}")
-            stop_and_remove_container(container_name, logger)
-            logger.info("Waiting 60 seconds before next attempt")
-            time.sleep(60)
 
-    logger.info("Nexus rotation cycle stopped")
 
 
 if __name__ == "__main__":