fix readme and helm chart

Author: Rahul Sharma

README.md

@@ -176,7 +176,7 @@ When running k8s clusters within VPC, node specific podCIDRs need to be allowed
 ##### Example usage in values.yaml
 ```yaml
 routeController:
-  vpcName: <name of VPC>
+  vpcNames: <comma separated names of VPCs managed by CCM>
   clusterCIDR: 10.0.0.0/8
   configureCloudRoutes: true
 ```

deploy/chart/templates/daemonset.yaml

@@ -39,10 +39,10 @@ spec:
             {{- if .Values.routeController }}
             - --enable-route-controller=true
             {{- if .Values.routeController.vpcName }}
-            - --vpc-name={{ "A valid .Values.routeController.vpcName is required" .Values.routeController.vpcName }}
+            - --vpc-name={{ .Values.routeController.vpcName }}
             {{- end }}
             {{- if .Values.routeController.vpcNames }}
-            - --vpc-names={{ "A valid .Values.routeController.vpcNames is required" .Values.routeController.vpcNames }}
+            - --vpc-names={{ .Values.routeController.vpcNames }}
             {{- end }}
             - --configure-cloud-routes={{ default true .Values.routeController.configureCloudRoutes }}
             - --cluster-cidr={{ required "A valid .Values.routeController.clusterCIDR is required" .Values.routeController.clusterCIDR }}

main.go

@@ -81,7 +81,7 @@ func main() {
 	// Add Linode-specific flags
 	command.Flags().BoolVar(&linode.Options.LinodeGoDebug, "linodego-debug", false, "enables debug output for the LinodeAPI wrapper")
 	command.Flags().BoolVar(&linode.Options.EnableRouteController, "enable-route-controller", false, "enables route_controller for ccm")
-	command.Flags().StringVar(&linode.Options.VPCName, "vpc-name", "", "[deprecated] vpc name whose routes will be managed by route-controller")
+	command.Flags().StringVar(&linode.Options.VPCName, "vpc-name", "", "[deprecated: use vpc-names instead] vpc name whose routes will be managed by route-controller")
 	command.Flags().StringVar(&linode.Options.VPCNames, "vpc-names", "", "comma separated vpc names whose routes will be managed by route-controller")
 	command.Flags().StringVar(&linode.Options.LoadBalancerType, "load-balancer-type", "nodebalancer", "configures which type of load-balancing to use for LoadBalancer Services (options: nodebalancer, cilium-bgp)")
 	command.Flags().StringVar(&linode.Options.BGPNodeSelector, "bgp-node-selector", "", "node selector to use to perform shared IP fail-over with BGP (e.g. cilium-bgp-peering=true")