setup for vpns

scripts/wireguard-setup

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+
+# ─< Check if the given command exists silently >─────────────────────────────────────────
+command_exists() {
+  command -v "$@" >/dev/null 2>&1
+}
+
+wg-setup() {
+  shopt -s nullglob
+  local peers=()
+  local ip
+  ip="$(ip ad)"
+
+  for p in /etc/wireguard/*; do
+    # NOTE:
+    # get names without .conf
+    # /etc/wireguard/wg0.conf would convert to `wg0` only
+    peers+=("$(basename ${p%.conf})")
+  done
+
+  case "${1:-up}" in
+  up)
+    cmd="wg-quick up"
+    ;;
+  down)
+    cmd="wg-quick down"
+    ;;
+  esac
+
+  for peer in "${peers[@]}"; do
+    $cmd $peer
+  done
+}
+
+wg-setup "$@"