EAI-7889 Add pod anti-affinity for SeaweedFS and fix keycloak-old CNPG topology

root/values_large.yaml

@@ -53,6 +53,13 @@ enabledApps:
   - rabbitmq
 
 apps:
+  airm-infra-cnpg:
+    valuesObject:
+      instances: 2
+  keycloak:
+    valuesObject:
+      cnpg:
+        instances: 2
   seaweedfs-config:
     valuesObject:
       seaweed:

sources/keycloak-old/templates/keycloak-cnpg.yaml

@@ -11,7 +11,8 @@ metadata:
 spec:
   affinity:
     enablePodAntiAffinity: true
-    topologyKey: topology.kubernetes.io/zone
+    podAntiAffinityType: {{ .Values.cnpg.podAntiAffinityType | quote }}
+    topologyKey: {{ .Values.cnpg.topologyKey | quote }}
   bootstrap:
     initdb:
       database: {{ .Values.postgresql.database }}

sources/keycloak-old/values.yaml

@@ -14,6 +14,8 @@ cnpg:
   # so node maintenance stalls until someone disables it by hand.
   # Set true or false to override.
   enablePDB: null
+  podAntiAffinityType: "preferred"
+  topologyKey: "kubernetes.io/hostname"
   storage:
     storageClassName: "default"
 

sources/seaweedfs-config/templates/seaweedfs-seaweed.yaml

@@ -13,6 +13,18 @@ spec:
       enabled: false
     replicas: {{ .master.replicas }}
     volumeSizeLimitMB: 1024
+    affinity:
+      podAntiAffinity:
+        preferredDuringSchedulingIgnoredDuringExecution:
+          - weight: 100
+            podAffinityTerm:
+              labelSelector:
+                matchExpressions:
+                  - key: app.kubernetes.io/component
+                    operator: In
+                    values:
+                      - master
+              topologyKey: {{ $.Values.seaweed.affinity.topologyKey }}
   volume:
     ingress:
       enabled: false
@@ -23,8 +35,32 @@ spec:
     # Topology configuration for rack/datacenter-aware placement
     rack: "rack1"
     dataCenter: "dc1"
+    affinity:
+      podAntiAffinity:
+        preferredDuringSchedulingIgnoredDuringExecution:
+          - weight: 100
+            podAffinityTerm:
+              labelSelector:
+                matchExpressions:
+                  - key: app.kubernetes.io/component
+                    operator: In
+                    values:
+                      - volume
+              topologyKey: {{ $.Values.seaweed.affinity.topologyKey }}
   filer:
     replicas: {{ .filer.replicas }}
+    affinity:
+      podAntiAffinity:
+        preferredDuringSchedulingIgnoredDuringExecution:
+          - weight: 100
+            podAffinityTerm:
+              labelSelector:
+                matchExpressions:
+                  - key: app.kubernetes.io/component
+                    operator: In
+                    values:
+                      - filer
+              topologyKey: {{ $.Values.seaweed.affinity.topologyKey }}
     volumes:
       - name: s3-metadata
         persistentVolumeClaim:

sources/seaweedfs-config/values.yaml

@@ -1,6 +1,8 @@
 domain: # to be filled by cluster-forge app
 seaweed:
   storageClassName: mlstorage
+  affinity:
+    topologyKey: "kubernetes.io/hostname"
   master:
     replicas: 1
     volumeSizeLimitMB: 1024