fix malformed clusterautoscaler yaml bug (#4322)

parts/k8s/containeraddons/kubernetesmasteraddons-cluster-autoscaler-deployment.yaml

@@ -204,7 +204,7 @@ spec:
               key: VMType
               name: cluster-autoscaler-azure
         - name: ARM_USE_MANAGED_IDENTITY_EXTENSION
-          value: <useManagedIdentity>
+          value: "<useManagedIdentity>"
         volumeMounts:
         - mountPath: /etc/ssl/certs/ca-certificates.crt
           name: ssl-certs

pkg/api/addons.go

@@ -55,8 +55,8 @@ func (cs *ContainerService) setAddonsConfig(isUpdate bool) {
 		Name:    DefaultClusterAutoscalerAddonName,
 		Enabled: helpers.PointerToBool(DefaultClusterAutoscalerAddonEnabled),
 		Config: map[string]string{
-			"minNodes": "1",
-			"maxNodes": "5",
+			"min-nodes": "1",
+			"max-nodes": "5",
 		},
 		Containers: []KubernetesContainerSpec{
 			{