allow dns autoscaler limits to be specified via variables (#6020)

roles/kubernetes-apps/ansible/defaults/main.yml

@@ -15,6 +15,10 @@ nodelocaldns_cpu_requests: 100m
 nodelocaldns_memory_limit: 170Mi
 nodelocaldnsdns_memory_requests: 70Mi
 
+# Limits for dns-autoscaler
+dns_autoscaler_cpu_requests: 20m
+dns_autoscaler_memory_requests: 10Mi
+
 # Netchecker
 deploy_netchecker: false
 netchecker_port: 31081

roles/kubernetes-apps/ansible/templates/dns-autoscaler.yml.j2

@@ -66,8 +66,8 @@ spec:
         image: "{{ dnsautoscaler_image_repo }}:{{ dnsautoscaler_image_tag }}"
         resources:
           requests:
-            cpu: "20m"
-            memory: "10Mi"
+            cpu: {{ dns_autoscaler_cpu_requests }}
+            memory: {{ dns_autoscaler_memory_requests }}
         command:
         - /cluster-proportional-autoscaler
         - --namespace=kube-system