From e60764ba363b1c9c5e7db3c7d18e5879baa9c401 Mon Sep 17 00:00:00 2001
From: Tomas Kopecek <tkopecek@redhat.com>
Date: Mar 19 2024 17:53:45 +0000
Subject: Randomize a bit same-rank hosts


Randomization could help a bit with assigning to valid builders.

---

diff --git a/kojihub/scheduler.py b/kojihub/scheduler.py
index d80f8fd..b513d59 100644
--- a/kojihub/scheduler.py
+++ b/kojihub/scheduler.py
@@ -1,5 +1,6 @@
 import json
 import logging
+import random
 import time
 
 import koji
@@ -335,6 +336,7 @@ class TaskScheduler(object):
         # tasks are already in priority order
         for task in self.free_tasks:
             min_avail = task['weight'] - self.capacity_overcommit
+            random.shuffle(task['_hosts'])
             task['_hosts'].sort(key=lambda h: h['_rank'])
             logger.debug('Task %i choices: %s', task['task_id'],
                          [(h['name'], "%(_rank).2f" % h) for h in task['_hosts']])