rbd: reduce cluster load by avoiding rbd.list

Fixes PL-133194
flyingcircusio · Nov 19, 2024 · b340e88 · b340e88
1 parent ffd5fb7
commit b340e88
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diff --git a/CHANGES.txt b/CHANGES.txt
@@ -16,6 +16,8 @@ Release notes
   when inventory data and real data mismatch and may shrink root images
   accidentally. (PL-133166)
 
+- rbd: fix cluster load issue due to overuse of rbd.list (PL-133194)
+
 1.6 (2024-10-23)
 ----------------
 

diff --git a/src/fc/qemu/hazmat/ceph.py b/src/fc/qemu/hazmat/ceph.py
@@ -89,8 +89,11 @@ def volume(self):
     def exists_in_pools(self):
         result = []
         for pool, ioctx in self.ceph.ioctxs.items():
-            if self.name in self.ceph.rbd.list(ioctx):
-                result.append(pool)
+            try:
+                rbd.Image(ioctx, self.name)
+            except rbd.ImageNotFound:
+                continue
+            result.append(pool)
         return result
 
     def exists_in_pool(self):