feat(deploy): add scripts for k3d installation and SSH tunnel setup

2026-05-30 14:13:58 +02:00
parent dcdcaff3b0
commit cb28dc88b1
4 changed files with 9215 additions and 6 deletions
@@ -0,0 +1,63 @@
+#!/usr/bin/bash
+set -euo pipefail
+
+REMOTE_HOST="chess@141.37.74.142"
+REMOTE_API_PORT="6443"
+LOCAL_PORT="6443"
+KUBECONFIG_FILE="${HOME}/.kube/htwg-1.yaml"
+
+# ----
+
+fetch_kubeconfig() {
+  echo "📥 Fetching kubeconfig from remote..."
+  mkdir -p "$(dirname "$KUBECONFIG_FILE")"
+  ssh "$REMOTE_HOST" "~/.local/bin/k3d kubeconfig get htwg-1" \
+    | sed "s|server: https://0.0.0.0:${REMOTE_API_PORT}|server: https://127.0.0.1:${LOCAL_PORT}|" \
+    > "$KUBECONFIG_FILE"
+  chmod 600 "$KUBECONFIG_FILE"
+  echo "✅ Kubeconfig saved to ${KUBECONFIG_FILE}"
+}
+
+# ----
+
+cleanup() {
+  echo ""
+  echo "🔌 Closing tunnel..."
+  kill "$SSH_PID" 2>/dev/null || true
+  exit 0
+}
+
+# ----
+
+# Re-fetch kubeconfig if flag passed or file missing
+if [[ "${1:-}" == "--refresh" ]] || [[ ! -f "$KUBECONFIG_FILE" ]]; then
+  fetch_kubeconfig
+fi
+
+export KUBECONFIG="$KUBECONFIG_FILE"
+
+echo "🔗 Starting SSH tunnel: localhost:${LOCAL_PORT} → ${REMOTE_HOST}:${REMOTE_API_PORT}"
+ssh -N -L "${LOCAL_PORT}:localhost:${REMOTE_API_PORT}" "$REMOTE_HOST" &
+SSH_PID=$!
+
+trap cleanup INT TERM
+
+# Wait for tunnel to be ready
+sleep 1
+if ! kill -0 "$SSH_PID" 2>/dev/null; then
+  echo "❌ SSH tunnel failed to start."
+  exit 1
+fi
+
+echo "✅ Tunnel active (PID ${SSH_PID})"
+echo ""
+echo "Use in another terminal:"
+echo "  export KUBECONFIG=${KUBECONFIG_FILE}"
+echo "  kubectl get nodes"
+echo ""
+echo "Or source this file:"
+echo "  source <(echo 'export KUBECONFIG=${KUBECONFIG_FILE}')"
+echo ""
+echo "Press Ctrl+C to close tunnel."
+
+wait "$SSH_PID"