Add pod anti-affinity to odh-model-controller manifests (#115)

Signed-off-by: Edgar Hernández <23639005+israel-hdez@users.noreply.github.com>

Author: israel-hdez

opendatahub/odh-manifests/model-mesh/odh-model-controller/manager/manager.yaml

@@ -18,6 +18,18 @@ spec:
         control-plane: odh-model-controller
         app: odh-model-controller
     spec:
+      affinity:
+        podAntiAffinity:
+          preferredDuringSchedulingIgnoredDuringExecution:
+            - weight: 100
+              podAffinityTerm:
+                labelSelector:
+                  matchExpressions:
+                    - key: control-plane
+                      operator: In
+                      values:
+                        - odh-model-controller
+                topologyKey: kubernetes.io/hostname
       securityContext:
         runAsNonRoot: true
       containers:

opendatahub/odh-manifests/model-mesh_stable/odh-model-controller/manager/manager.yaml

@@ -18,6 +18,18 @@ spec:
         control-plane: odh-model-controller
         app: odh-model-controller
     spec:
+      affinity:
+        podAntiAffinity:
+          preferredDuringSchedulingIgnoredDuringExecution:
+            - weight: 100
+              podAffinityTerm:
+                labelSelector:
+                  matchExpressions:
+                    - key: control-plane
+                      operator: In
+                      values:
+                        - odh-model-controller
+                topologyKey: kubernetes.io/hostname
       securityContext:
         runAsNonRoot: true
       containers: