add ability to specify default LB when using ipvs

internal/resources/templates/kubespray/inventory/group_vars/k8s_cluster/k8s-cluster.yml.tmpl

@@ -122,7 +122,8 @@ kube_apiserver_port: 6443  # (https)
 
 # Kube-proxy proxyMode configuration.
 # Can be ipvs, iptables
-kube_proxy_mode: ipvs
+kube_proxy_mode: {{ .Orchestrator.ProxyMode }}
+kube_proxy_scheduler: {{ .Orchestrator.ProxyScheduler }}
 
 # configure arp_ignore and arp_announce to avoid answering ARP queries from kube-ipvs0 interface
 # must be set to true for MetalLB, kube-vip(ARP enabled) to work
@@ -452,6 +453,8 @@ kubeadm_patches:
   source_dir: {{ `"{{ inventory_dir }}/patches"` }}
   dest_dir: {{ `"{{ kube_config_dir }}/patches"` }}
 
+{{- if not (eq .Orchestrator.KubeletDir "/var/lib/kubelet") }}
 ## Kubelet additional settings
 kubelet_custom_flags:
   - "--root-dir={{ .Orchestrator.KubeletDir }}"
+{{- end }}