Update VM size

Author: mihaelablendea

samples/features/sql-big-data-cluster/deployment/aks/deploy-sql-big-data-aks.py

@@ -31,8 +31,8 @@ def executeCmd (cmd):
 # Optionally change these configuration settings
 #
 AZURE_REGION=input("Provide Azure region - Press ENTER for using `westus`:") or "westus"
-VM_SIZE=input("Provide VM size for the AKS cluster - Press ENTER for using  `Standard_L4s`:") or "Standard_L4s"
-AKS_NODE_COUNT=input("Provide number of worker nodes for AKS cluster - Press ENTER for using  `3`:") or "3"
+VM_SIZE=input("Provide VM size for the AKS cluster - Press ENTER for using  `Standard_L8s`:") or "Standard_L8s"
+AKS_NODE_COUNT=input("Provide number of worker nodes for AKS cluster - Press ENTER for using  `1`:") or "1"
 #This is both Kubernetes cluster name and SQL Big Data cluster name
 CLUSTER_NAME=input("Provide name of AKS cluster and SQL big data cluster - Press ENTER for using  `sqlbigdata`:") or "sqlbigdata"
 #This password will be use for Controller user, Knox user and SQL Server Master SA accounts
@@ -70,7 +70,7 @@ def executeCmd (cmd):
 executeCmd (command)
 
 print("Creating AKS cluster: "+CLUSTER_NAME)
-command = "az aks create --name "+CLUSTER_NAME+" --resource-group "+GROUP_NAME+" --generate-ssh-keys --node-vm-size "+VM_SIZE+" --node-count "+AKS_NODE_COUNT+" --kubernetes-version 1.10.12"
+command = "az aks create --name "+CLUSTER_NAME+" --resource-group "+GROUP_NAME+" --generate-ssh-keys --node-vm-size "+VM_SIZE+" --node-count "+AKS_NODE_COUNT+" --kubernetes-version 1.12.6"
 executeCmd (command)
 
 command = "az aks get-credentials --overwrite-existing --name "+CLUSTER_NAME+" --resource-group "+GROUP_NAME+" --admin"