metallb

clusters/base/infra/metallb/config.yaml

@@ -0,0 +1,58 @@
+# a general pool for everything but mqtt and public IP facing ingress controller
+apiVersion: metallb.io/v1beta1
+kind: IPAddressPool
+metadata:
+  name: default-pool
+  namespace: metallb-system
+spec:
+  addresses:
+    - 10.0.64.5-10.0.64.6
+    # exclude 10.0.64.7, its in dmz-pool
+    # exclude 10.0.64.8, its in mqtt-pool
+    - 10.0.64.9-10.0.64.19
+  autoAssign: true
+  serviceAllocation:
+    serviceSelectors:
+      - matchLabels:
+          loadBalancerPool: default
+---
+# DMZ (not really, just for clarity) ip, will have ports forwarded from WAN router
+apiVersion: metallb.io/v1beta1
+kind: IPAddressPool
+metadata:
+  name: dmz-pool
+  namespace: metallb-system
+spec:
+  addresses:
+    - 10.0.64.7/32
+  autoAssign: true
+  serviceAllocation:
+    serviceSelectors:
+      - matchLabels:
+          loadBalancerPool: dmz
+---
+# reserve 10.0.64.8 (for historical reasons) for mqtt
+# ! do not forget to label the mqtt service with "loadBalancerPool: mqtt" !
+apiVersion: metallb.io/v1beta1
+kind: IPAddressPool
+metadata:
+  name: mqtt-pool
+  namespace: metallb-system
+spec:
+  addresses:
+    - 10.0.64.8/32
+  serviceAllocation:
+    serviceSelectors:
+      - matchLabels:
+          loadBalancerPool: mqtt
+---
+apiVersion: metallb.io/v1beta1
+kind: L2Advertisement
+metadata:
+  name: default
+  namespace: metallb-system
+spec:
+  ipAddressPools:
+    - default-pool
+    - dmz-pool
+    - mqtt-pool

clusters/base/infra/metallb/helmrelease.yaml

@@ -0,0 +1,15 @@
+apiVersion: helm.toolkit.fluxcd.io/v2
+kind: HelmRelease
+metadata:
+  name: metallb
+  namespace: metallb-system
+spec:
+  interval: 10m
+  chart:
+    spec:
+      chart: metallb
+      version: "0.16.1"
+      sourceRef:
+        kind: HelmRepository
+        name: metallb
+        namespace: metallb-system

clusters/base/infra/metallb/helmrepository.yaml

@@ -0,0 +1,8 @@
+apiVersion: source.toolkit.fluxcd.io/v1
+kind: HelmRepository
+metadata:
+  name: metallb
+  namespace: metallb-system
+spec:
+  interval: 1h
+  url: https://metallb.github.io/metallb

clusters/base/infra/metallb/kustomization.yaml

@@ -0,0 +1,6 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - helmrepository.yaml
+  - helmrelease.yaml
+  - config.yaml

clusters/base/namespaces/metallb-system.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: metallb-system

clusters/home/infra/kustomization.yaml

@@ -4,3 +4,4 @@ resources:
   - longhorn/longhorn-system.yaml
   - longhorn/storage-classes.yaml
   - cert-manager/certificate-issuers.yaml
+  - metallb.yaml

clusters/home/infra/metallb.yaml

@@ -0,0 +1,14 @@
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  name: metallb
+  namespace: flux-system
+spec:
+  interval: 10m
+  sourceRef:
+    kind: GitRepository
+    name: flux-system
+  path: ./clusters/base/infra/metallb
+  prune: true
+  wait: true
+  retryInterval: 5s

clusters/home/namespaces/kustomization.yaml

@@ -6,3 +6,4 @@ resources:
   - ../../base/namespaces/pim.yaml
   - ../../base/namespaces/longhorn-system.yaml
   - ../../base/namespaces/auth.yaml
+  - ../../base/namespaces/metallb-system.yaml