add bluewalker vfi icr series

bluewalker-vfi-icr/install-client.sh

@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+# install-client.sh -- deploy NUT network-slave config
+# Usage: sudo ./install-client.sh <MASTER_IP>
+# ASCII only.
+
+set -euo pipefail
+
+SRC="$(cd "$(dirname "$0")" && pwd)/client/etc/nut"
+DST="/etc/nut"
+
+if [ "$(id -u)" -ne 0 ]; then
+    echo "ERROR: run as root (sudo)." >&2
+    exit 1
+fi
+
+MASTER_IP="${1:-}"
+if [ -z "$MASTER_IP" ]; then
+    echo "Usage: sudo $0 <MASTER_IP>" >&2
+    exit 1
+fi
+
+echo "== Installing NUT (if missing) =="
+if command -v apt-get >/dev/null 2>&1; then
+    apt-get update && apt-get install -y nut
+elif command -v dnf >/dev/null 2>&1; then
+    dnf install -y nut
+else
+    echo "WARN: unknown package manager, install 'nut' manually." >&2
+fi
+
+echo "== Copying client config to ${DST} =="
+install -d "$DST"
+cp -v "$SRC/nut.conf" "$DST/nut.conf"
+sed "s/MASTER_IP/${MASTER_IP}/" "$SRC/upsmon.conf" > "$DST/upsmon.conf"
+
+chown root:nut "$DST/upsmon.conf" 2>/dev/null || true
+chmod 640 "$DST/upsmon.conf"
+
+echo
+echo "NEXT STEPS (manual):"
+echo "  1. Edit ${DST}/upsmon.conf -- replace CHANGE_ME_SLAVE with the master's monslave password."
+echo "  2. Enable the monitor service:"
+echo "       systemctl enable --now nut-monitor"
+echo "  3. Verify connectivity to the master:"
+echo "       upsc ups@${MASTER_IP}"