feat(homelab): move traefik to rufus node, add rfc1918 middlewares

nix/homelab/kustomize/kustomization.yaml

@@ -4,6 +4,8 @@ kind: Kustomization
 resources:
   - ./metallb/pool.yaml
   - ./traefik/config.yaml
+  - ./traefik/rfc1918-middleware.yaml
+  - ./traefik/chain.yaml
   - ./cert-manager/config.yaml
   - ./routes/media.yaml
   - ./routes/minecraft.yaml

nix/homelab/kustomize/metallb/pool.yaml

@@ -8,6 +8,16 @@ spec:
     - 192.168.18.31-192.168.18.61
 ---
 apiVersion: metallb.io/v1beta1
+kind: IPAddressPool
+metadata:
+  name: rufus-pool
+  namespace: metallb-system
+spec:
+  addresses:
+    - 192.168.27.10-192.168.27.30
+  autoAssign: false
+---
+apiVersion: metallb.io/v1beta1
 kind: L2Advertisement
 metadata:
   name: pool
@@ -15,3 +25,15 @@ metadata:
 spec:
   ipAddressPools:
     - pool
+---
+apiVersion: metallb.io/v1beta1
+kind: L2Advertisement
+metadata:
+  name: rufus-advertisement
+  namespace: metallb-system
+spec:
+  ipAddressPools:
+    - rufus-pool
+  nodeSelectors:
+    - matchLabels:
+        kubernetes.io/hostname: rufus

nix/homelab/kustomize/routes/home-assistant.yaml

@@ -13,3 +13,9 @@ spec:
     - backendRefs:
         - name: home-assistant
           port: 8080
+      filters:
+        - type: ExtensionRef
+          extensionRef:
+            group: traefik.io
+            kind: Middleware
+            name: rfc1918-chain

nix/homelab/kustomize/routes/longhorn.yaml

@@ -13,3 +13,9 @@ spec:
     - backendRefs:
         - name: longhorn-frontend
           port: 80
+      filters:
+        - type: ExtensionRef
+          extensionRef:
+            group: traefik.io
+            kind: Middleware
+            name: rfc1918-chain

nix/homelab/kustomize/routes/media.yaml

@@ -13,3 +13,9 @@ spec:
     - backendRefs:
         - name: jellyfin
           port: 8096
+      filters:
+        - type: ExtensionRef
+          extensionRef:
+            group: traefik.io
+            kind: Middleware
+            name: rfc1918-chain

nix/homelab/kustomize/traefik/chain.yaml

@@ -0,0 +1,32 @@
+apiVersion: traefik.io/v1alpha1
+kind: Middleware
+metadata:
+  name: rfc1918-chain
+  namespace: home
+spec:
+  chain:
+    middlewares:
+      - name: rfc1918-only
+        namespace: default
+---
+apiVersion: traefik.io/v1alpha1
+kind: Middleware
+metadata:
+  name: rfc1918-chain
+  namespace: longhorn-system
+spec:
+  chain:
+    middlewares:
+      - name: rfc1918-only
+        namespace: default
+---
+apiVersion: traefik.io/v1alpha1
+kind: Middleware
+metadata:
+  name: rfc1918-chain
+  namespace: media
+spec:
+  chain:
+    middlewares:
+      - name: rfc1918-only
+        namespace: default

nix/homelab/kustomize/traefik/config.yaml

@@ -5,6 +5,13 @@ metadata:
   namespace: kube-system
 spec:
   valuesContent: |-
+    nodeSelector:
+      kubernetes.io/hostname: rufus
+
+    service:
+      annotations:
+        metallb.universe.tf/address-pool: rufus-pool
+
     ports:
       web:
         port: 80
@@ -52,6 +59,8 @@ spec:
          enabled: false
       kubernetesGateway:
          enabled: true
+      kubernetesCRD:
+        allowCrossNamespace: true
     gateway:
       listeners:
         web:

nix/homelab/kustomize/traefik/rfc1918-middleware.yaml

@@ -0,0 +1,11 @@
+apiVersion: traefik.io/v1alpha1
+kind: Middleware
+metadata:
+  name: rfc1918-only
+  namespace: default
+spec:
+  ipAllowList:
+    sourceRange:
+      - "10.0.0.0/8"
+      - "172.16.0.0/12"
+      - "192.168.0.0/16"