commit dea3c67d1904ce66de83056cc498a35bc3653e46
author Jason Hall <jason.hall@runlevel6.us> Wed Feb 12 10:33:39 2025 -0600
committer Jason Hall <jason.hall@runlevel6.us> Mon Feb 17 17:08:04 2025 -0600
tree e83392c8a6046e5f562213693a3a18da7d6ec5c9
parent 7c1b61e45b2f86e61c05f0f038a8a00735d9850f

Feature: pod affinity changes for OVN

Deploy OVN northd using the same pod affinity rules
used with the NB and SB statefulsets. Also change
default anti-affinity for NB and SB statefulsets
to requiredDuringSchedulingIgnoredDuringExecution
over preferredDuringSchedulingIgnoredDuringExecution

Change-Id: I844bbdc53fe10a8b8d9f017b9a3c68d93b695b98

Add unit tests to for OVN Anti-Affinity Rules

These unit tests go over all the statefulset and
deployment  pods using the and make sure they are
all using the right anti-affinity rules.

Change-Id: I2c8b5bf7515040e715bdeed4410acf6656578133

roles/ovn/vars/main.yml

diff --git a/roles/ovn/vars/main.yml b/roles/ovn/vars/main.yml
index b879919..a24b7e9 100644
--- a/roles/ovn/vars/main.yml
+++ b/roles/ovn/vars/main.yml
@@ -43,6 +43,14 @@
               initialDelaySeconds: 30
               timeoutSeconds: 30
               periodSeconds: 60
+    affinity:
+      anti:
+        type:
+          default: requiredDuringSchedulingIgnoredDuringExecution
+        topologyKey:
+          default: kubernetes.io/hostname
+        weight:
+          default: 10
     replicas:
       ovn_ovsdb_nb: 3
       ovn_ovsdb_sb: 3