fix: resolve StatefulSet scheduling issues in multi-zone distribution

Author: Abhishek Kumar

roles/vdm/templates/transformers/multi-zone-pod-distribution.yaml

@@ -30,12 +30,10 @@ patch: |-
         requiredDuringSchedulingIgnoredDuringExecution:
           nodeSelectorTerms:
             - matchExpressions:
-                - key: workload.sas.com/class
+                - key: agentpool
                   operator: In
                   values:
                     - stateful
-                - key: agentpool
-                  operator: Exists
       podAntiAffinity:
         requiredDuringSchedulingIgnoredDuringExecution:
           - labelSelector:

roles/vdm/templates/transformers/postgres-single-zone-distribution.yaml

@@ -24,7 +24,7 @@ patch: |-
           - weight: 100
             preference:
               matchExpressions:
-                - key: workload.sas.com/class
+                - key: agentpool
                   operator: In
                   values:
                     - stateful

roles/vdm/templates/transformers/postgres-zone-distribution.yaml

@@ -29,12 +29,10 @@ patch: |-
         requiredDuringSchedulingIgnoredDuringExecution:
           nodeSelectorTerms:
             - matchExpressions:
-                - key: workload.sas.com/class
+                - key: agentpool
                   operator: In
                   values:
                     - stateful
-                - key: agentpool
-                  operator: Exists
       podAntiAffinity:
         requiredDuringSchedulingIgnoredDuringExecution:
           - labelSelector:

roles/vdm/templates/transformers/rabbitmq-single-zone-distribution.yaml

@@ -15,7 +15,7 @@ patch: |-
         whenUnsatisfiable: ScheduleAnyway
         labelSelector:
           matchLabels:
-            app: sas-rabbitmq-server
+            app.kubernetes.io/name: sas-rabbitmq-server
   - op: add
     path: /spec/template/spec/affinity
     value:
@@ -24,7 +24,7 @@ patch: |-
           - weight: 100
             preference:
               matchExpressions:
-                - key: workload.sas.com/class
+                - key: agentpool
                   operator: In
                   values:
                     - stateful
@@ -34,7 +34,7 @@ patch: |-
             podAffinityTerm:
               labelSelector:
                 matchLabels:
-                  app: sas-rabbitmq-server
+                  app.kubernetes.io/name: sas-rabbitmq-server
               topologyKey: kubernetes.io/hostname
 target:
   kind: StatefulSet

roles/vdm/templates/transformers/rabbitmq-zone-distribution.yaml

@@ -15,38 +15,31 @@ patch: |-
         whenUnsatisfiable: DoNotSchedule
         labelSelector:
           matchLabels:
-            app: sas-rabbitmq-server
+            app.kubernetes.io/name: sas-rabbitmq-server
       - maxSkew: 1
         topologyKey: kubernetes.io/hostname
         whenUnsatisfiable: DoNotSchedule
         labelSelector:
           matchLabels:
-            app: sas-rabbitmq-server
+            app.kubernetes.io/name: sas-rabbitmq-server
   - op: add
     path: /spec/template/spec/affinity
     value:
       nodeAffinity:
         requiredDuringSchedulingIgnoredDuringExecution:
           nodeSelectorTerms:
             - matchExpressions:
-                - key: workload.sas.com/class
+                - key: agentpool
                   operator: In
                   values:
                     - stateful
-                - key: agentpool
-                  operator: Exists
       podAntiAffinity:
-        requiredDuringSchedulingIgnoredDuringExecution:
-          - labelSelector:
-              matchLabels:
-                app: sas-rabbitmq-server
-            topologyKey: topology.kubernetes.io/zone
         preferredDuringSchedulingIgnoredDuringExecution:
           - weight: 100
             podAffinityTerm:
               labelSelector:
                 matchLabels:
-                  app: sas-rabbitmq-server
+                  app.kubernetes.io/name: sas-rabbitmq-server
               topologyKey: kubernetes.io/hostname
 target:
   kind: StatefulSet