Add support for metallb installation

Metallb_Setup/address-pool.gomplate.yaml

@@ -5,5 +5,4 @@ metadata:
   namespace: metallb-system
 spec:
   addresses:
-#  - 192.168.178.220-192.168.178.225 #pve-82
-  - 192.168.178.160-192.168.178.180 #pve-83
+  - {{ .Env.METALLB_ADDRESS_RANGE }}

Metallb_Setup/justfile

@@ -0,0 +1,47 @@
+set fallback := true
+
+export K8S_CONTEXT := env("K8S_CONTEXT", "")
+export SERVER_IP := env("K3S_SERVER_IP","192.168.178.45")
+export USER := env("K3S_USER","basti")
+
+
+[private]
+default:
+    @just --list --unsorted --list-submodules
+
+
+install:
+    #!/bin/bash
+    set -euo pipefail
+    just env::check
+
+    METALLB_VERSION="v0.15.3"
+
+    username=$(gum input --prompt="SSH username: " --value="${USER}" --width=100)
+    context=""
+    if gum confirm "Update KUBECONFIG?"; then
+        context=$(
+            gum input --prompt="Context name: " --value="${K8S_CONTEXT}" --width=100
+        )
+    fi
+
+    if [ -n "${context}" ]; then
+        kubectl config use-context "${context}"
+    fi
+
+    kubectl apply -f "https://raw.githubusercontent.com/metallb/metallb/${METALLB_VERSION}/config/manifests/metallb-native.yaml"
+    gum spin --spinner dot --title "Waiting for MetalLB to be ready..." -- kubectl wait --namespace metallb-system --for=condition=available deployment --all --timeout=120s
+    echo "MetalLB ${METALLB_VERSION} installed successfully."
+
+    gomplate -f address-pool.gomplate.yaml | kubectl apply -f -
+    echo "Address pool configured."
+
+    kubectl apply -f advertisement.yaml
+    echo "Advertisement created."
+
+uninstall:
+    #!/bin/bash
+    set -euo pipefail
+    just env::check
+
+    kubectl get namespace metallb-system &>/dev/null && kubectl delete ns metallb-system

env/env.local.gomplate

@@ -3,3 +3,4 @@ K8S_CONTEXT={{ .Env.K8S_CONTEXT }}
 K8S_MASTER_NODE_NAME={{ .Env.K8S_MASTER_NODE_NAME }}
 SERVER_IP={{ .Env.SERVER_IP }}
 AGENT_IP={{ .Env.AGENT_IP }}
+METALLB_ADDRESS_RANGE={{ .Env.METALLB_ADDRESS_RANGE }}

env/justfile

@@ -70,7 +70,7 @@ setup:
             exit 1
         fi
     done
-        while [ -z "${AGENT_IP}" ]; do
+    while [ -z "${AGENT_IP}" ]; do
         if ! AGENT_IP=$(
             gum input --prompt="IP of Agent Node: " \
             --width=100 --placeholder="Agent Node IP"
@@ -79,5 +79,17 @@ setup:
             exit 1
         fi
     done
+
+    while [ -z "${METALLB_ADDRESS_RANGE}" ]; do
+        if ! METALLB_ADDRESS_RANGE=$(
+            gum input --prompt="IP Range for LoadBalancer: " \
+            --width=100 --placeholder="[x.x.x.x-y.y.y.y]"
+        ); then
+            echo "Setup cancelled." >&2
+            exit 1
+        fi
+    done
+
+    
     rm -f ../.env.local
     gomplate -f env.local.gomplate -o ../.env.local

justfile

@@ -8,3 +8,4 @@ default:
 
 mod env
 mod BasicSetup '01_Basic_Setup'
+mod MetalLbSetup 'Metallb_Setup'