feat: env INSTALL_LONGHORN

Add Ansible playbooks for Longhorn, MetalLB, and Traefik installation

conditional on presence of INSTALL_LONGHORN=true

vagrant/dev/ubuntu/scripts/install_metallb.sh

@@ -12,24 +12,31 @@ if ! kubectl get deployment -n metallb-system controller &>/dev/null; then
     exit 1
   fi
   
-  # Wait for MetalLB components to be ready
-  echo "Waiting for MetalLB components to be ready..."
-  kubectl wait --namespace metallb-system \
-    --for=condition=ready pod \
-    --selector=app=metallb \
-    --timeout=90s
+  echo "Waiting for MetalLB pods to be in 'Running' state..."
+  MAX_RETRIES=10
+  RETRY=0
+
+  while [ $RETRY -lt $MAX_RETRIES ]; do
+    NOT_READY_PODS=$(kubectl -n metallb-system get pods --no-headers | grep -v 'Running' | wc -l)
+    if [ "$NOT_READY_PODS" -eq 0 ]; then
+      echo "All MetalLB pods are running."
+      break
+    else
+      echo "$NOT_READY_PODS MetalLB pods are not ready yet. Waiting..."
+      RETRY=$((RETRY + 1))
+      sleep 5
+    fi
+  done
+
+  if [ "$NOT_READY_PODS" -ne 0 ]; then
+    echo "Failed to get all MetalLB pods running after $MAX_RETRIES attempts."
+    exit 1
+  fi
 
 else
   echo "MetalLB is already installed."
 fi
 
-# Wait for the webhook service to be ready
-echo "Waiting for MetalLB webhook service to be ready..."
-kubectl wait --namespace metallb-system \
-  --for=condition=ready pod \
-  --selector=component=webhook \
-  --timeout=90s
-
 # Check if the IPAddressPool already exists
 if ! kubectl get ipaddresspool -n metallb-system default &>/dev/null; then
   echo "Creating MetalLB IPAddressPool..."