fix azure kubernetes port to 6443

contrib/azurerm/roles/generate-templates/templates/masters.json

@@ -62,8 +62,8 @@
                 "id": "[concat(variables('lbID'), '/backendAddressPools/kube-api-backend')]"
               },
               "protocol": "tcp",
-              "frontendPort": 443,
-              "backendPort": 443,
+              "frontendPort": 6443,
+              "backendPort": 6443,
               "enableFloatingIP": false,
               "idleTimeoutInMinutes": 5,
               "probe": {
@@ -77,7 +77,7 @@
             "name": "kube-api",
             "properties": {
               "protocol": "tcp",
-              "port": 443,
+              "port": 6443,
               "intervalInSeconds": 5,
               "numberOfProbes": 2
             }
@@ -193,4 +193,4 @@
     } {% if not loop.last %},{% endif %}
     {% endfor %}
   ]
-}
+}