ci: increase goldpinger replicas from 4 to 8 and add topology constraints (Azure#3376)

* increase datapath test goldpinger replicas from 4 to 8

* try topology constraints to balance

Author: QxBytes

test/integration/manifests/datapath/linux-deployment-ipv6.yaml

@@ -4,7 +4,7 @@ metadata:
   name: goldpinger-deploy
   namespace: linux-datapath-test
 spec:
-  replicas: 4
+  replicas: 8
   selector:
     matchLabels:
       app: goldpinger
@@ -86,3 +86,10 @@ spec:
               periodSeconds: 5
         nodeSelector:
           kubernetes.io/os: linux
+        topologySpreadConstraints:
+        - maxSkew: 1
+          topologyKey: kubernetes.io/hostname
+          whenUnsatisfiable: ScheduleAnyway
+          labelSelector:
+            matchLabels:
+              app: "goldpinger"

test/integration/manifests/datapath/linux-deployment.yaml

@@ -4,7 +4,7 @@ metadata:
   name: goldpinger-deploy
   namespace: linux-datapath-test
 spec:
-  replicas: 4
+  replicas: 8
   selector:
     matchLabels:
       app: goldpinger
@@ -84,3 +84,10 @@ spec:
               periodSeconds: 5
         nodeSelector:
           kubernetes.io/os: linux
+        topologySpreadConstraints:
+        - maxSkew: 1
+          topologyKey: kubernetes.io/hostname
+          whenUnsatisfiable: ScheduleAnyway
+          labelSelector:
+            matchLabels:
+              app: "goldpinger"

test/integration/manifests/datapath/windows-deployment.yaml

@@ -4,7 +4,7 @@ metadata:
   name: windows-pod
   namespace: datapath-win
 spec:
-  replicas: 4
+  replicas: 8
   selector:
     matchLabels:
       app: datapod
@@ -20,3 +20,10 @@ spec:
           args: ["sleep", "5000"]
       nodeSelector:
         kubernetes.io/os: windows
+      topologySpreadConstraints:
+        - maxSkew: 1
+          topologyKey: kubernetes.io/hostname
+          whenUnsatisfiable: ScheduleAnyway
+          labelSelector:
+            matchLabels:
+              app: "datapod"