feat: add Cilium platform config (Hubble, L2 announcements, IP pool)

apps/cilium.yaml

@@ -0,0 +1,31 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: cilium
+  namespace: argo-cd
+spec:
+  project: default
+  source:
+    repoURL: https://helm.cilium.io
+    chart: cilium
+    targetRevision: 1.19.5
+    helm:
+      valuesObject:
+        ipam:
+          operator:
+            clusterPoolIPv4PodCIDRList:
+              - 172.16.0.0/16
+        hubble:
+          relay:
+            enabled: true
+          ui:
+            enabled: true
+        l2announcements:
+          enabled: true
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: kube-system
+  syncPolicy:
+    automated:
+      prune: false
+      selfHeal: true

manifests/cilium-l2.yaml

@@ -0,0 +1,19 @@
+apiVersion: cilium.io/v2
+kind: CiliumLoadBalancerIPPool
+metadata:
+  name: homelab-pool
+spec:
+  blocks:
+    - start: 10.0.0.210
+      stop: 10.0.0.220
+---
+apiVersion: cilium.io/v2alpha1
+kind: CiliumL2AnnouncementPolicy
+metadata:
+  name: default
+spec:
+  loadBalancerIPs: true
+  interfaces:
+    - ^eno.*
+    - ^eth.*
+    - ^enp.*