add ability to specify default LB when using ipvs

config.sample.yaml

@@ -20,6 +20,8 @@ orchestrator:
   version: v1.30.3
   cluster_name: cluster.local
   kubelet_dir: "/app/k8s/kubelet"
+  proxy_mode: "ipvs" # iptables, ipvs
+  proxy_scheduler: "rr"
   container_engine:
     install: true
     type: "containerd"

internal/config/orchestrator.go

@@ -17,6 +17,8 @@ type Orchestrator struct {
 	BinDir                    string `yaml:"bin_dir" env-default:"/usr/local/bin"`
 	SysctlFilePath            string `yaml:"sysctl_file_path" env-default:"/etc/sysctl.d/99-sysctl.conf"`
 	LoadbalancerApiserverPort int    `yaml:"loadbalancer_apiserver_port" env-default:"6443"`
+	ProxyMode                 string `yaml:"proxy_mode" env-default:"ipvs"`
+	ProxyScheduler            string `yaml:"proxy_scheduler" env-default:"rr"`
 	Dns                       Dns    `yaml:"dns"`
 	CloudProvider             string `yaml:"cloud_provider"`
 	ExgernalCloudProvider     string `yaml:"external_cloud_provider"`

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 }}

kubespray/inventory/group_vars/k8s_cluster/k8s-cluster.yml

@@ -123,6 +123,7 @@ kube_apiserver_port: 6443  # (https)
 # Kube-proxy proxyMode configuration.
 # Can be ipvs, iptables
 kube_proxy_mode: ipvs
+kube_proxy_scheduler: lc
 
 # 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
@@ -404,7 +405,6 @@ kubeadm_patches:
   enabled: false
   source_dir: "{{ inventory_dir }}/patches"
   dest_dir: "{{ kube_config_dir }}/patches"
-
 ## Kubelet additional settings
 kubelet_custom_flags:
-  - "--root-dir=/app/k8s/kubelet"
+  - "--root-dir=/app/k8s/kubelet"