enforce anti affinity to separate similar pods

Author: javfg

helm/templates/aiapi.yaml

@@ -232,10 +232,9 @@ spec:
                     operator: In
                     values:
                       - {{ $env }}
-        podAntiAffinity: # try to avoid co-locating pods of the same app+color in the same node
-          preferredDuringSchedulingIgnoredDuringExecution:
-            - weight: 100
-              podAffinityTerm:
+        podAntiAffinity: # avoid co-locating pods of the same app+color in the same node
+          requiredDuringSchedulingIgnoredDuringExecution:
+              - podAffinityTerm:
                 labelSelector:
                   matchLabels:
                     product: {{ $product }}

helm/templates/api.yaml

@@ -175,16 +175,17 @@ spec:
                     operator: In
                     values:
                       - {{ $env }}
-        podAntiAffinity: # try to avoid co-locating pods of the same app+color in the same node
-          preferredDuringSchedulingIgnoredDuringExecution:
-            - weight: 100
-              podAffinityTerm:
+        podAntiAffinity: # avoid co-locating pods of the same app+color in the same node
+          requiredDuringSchedulingIgnoredDuringExecution:
+              - podAffinityTerm:
                 labelSelector:
                   matchLabels:
                     product: {{ $product }}
                     app: api
                     color: {{ $color }}
                 topologyKey: kubernetes.io/hostname
+
+
       containers:
         - name: api
           image: {{ $image.name }}:{{ $image.tag }}

helm/templates/webapp.yaml

@@ -138,10 +138,9 @@ spec:
                     operator: In
                     values:
                       - {{ $env }}
-        podAntiAffinity: # try to avoid co-locating pods of the same app+color in the same node
-          preferredDuringSchedulingIgnoredDuringExecution:
-            - weight: 100
-              podAffinityTerm:
+        podAntiAffinity: # avoid co-locating pods of the same app+color in the same node
+          requiredDuringSchedulingIgnoredDuringExecution:
+              - podAffinityTerm:
                 labelSelector:
                   matchLabels:
                     product: {{ $product }}