#!/usr/bin/env bash
# usage: ./vpn-client-install.sh path/to/mybook.ovpn
set -euo pipefail

SRC="${1:-}"
[[ -n "$SRC" && -f "$SRC" ]] || { echo "file not exist: $SRC" >&2; exit 1; }

command -v openvpn >/dev/null || sudo apt-get install -y openvpn

NAME=$(basename "$SRC")
NAME="${NAME%.*}"            # mybook.ovpn / mybook.conf -> mybook

sudo install -m 600 -o root -g root "$SRC" "/etc/openvpn/client/$NAME.conf"
sudo systemctl enable openvpn-client@"$NAME"
sudo systemctl restart openvpn-client@"$NAME"

sleep 3
systemctl --no-pager status openvpn-client@"$NAME" | head -n 5
ip -brief addr show | grep -E '^tun' || echo "tun-интерфейс пока не поднялся, смотри: journalctl -u openvpn-client@$NAME -n 50"