Add metallb L2Advertisement

infrastructures/metallb-conf/env/k3s-cluster/advertisement.yaml

@@ -0,0 +1,14 @@
+apiVersion: metallb.io/v1beta1
+kind: L2Advertisement
+metadata:
+  name: l2-advertisement
+  namespace: metallb
+spec:
+  ipAddressPools:
+    - k3s-cluster-ips
+  nodeSelectors:
+    - matchExpressions:
+      - key: kubernetes.io/os
+        operator: In
+        values:
+          - linux

infrastructures/metallb-conf/env/k3s-cluster/kustomization.yaml

@@ -1,4 +1,5 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
+  - ./advertisement.yaml
   - ./cluster-ip.yaml