#0000 - Add MetalLB Helm values and update installation script

Introduces custom `metallb.yaml` Helm values with node selectors and tolerations targeting specific nodes. Renames and adjusts MetalLB resource file, removing unused IPs. Updates installation script to apply the new Helm values and handle namespace creation idempotently.

helm-values/metallb.yaml

@@ -0,0 +1,19 @@
+controller:
+  nodeSelector:
+    com.van-hemmen.role: gateway
+    com.van-hemmen.hosting: ovh
+  tolerations:
+    - key: "com.van-hemmen.role"
+      operator: "Equal"
+      value: "gateway"
+      effect: "NoSchedule"
+
+speaker:
+  nodeSelector:
+    com.van-hemmen.role: gateway
+    com.van-hemmen.hosting: ovh
+  tolerations:
+    - key: "com.van-hemmen.role"
+      operator: "Equal"
+      value: "gateway"
+      effect: "NoSchedule"

ressources/metallb-ip.yaml

@@ -5,8 +5,6 @@ metadata:
   namespace: metallb-system
 spec:
   addresses:
-    - 5.196.149.159/32
-    - 5.196.149.200/32
     - 5.196.149.203/32
 ---
 apiVersion: metallb.io/v1beta1

scripts/00_install_metalLB.sh

@@ -5,7 +5,7 @@ set -ex
 helm repo add metallb https://metallb.github.io/metallb
 helm repo update
 
-kubectl create namespace metallb-system
+kubectl create namespace metallb-system || true
 kubectl label namespace metallb-system pod-security.kubernetes.io/enforce=privileged
 
-helm install metallb metallb/metallb --namespace metallb-system
+helm install metallb metallb/metallb --namespace metallb-system -f ./helm-values/metallb.yaml