+add script to fix missing peers

Signed-off-by: Nico Schottelius <nico@nico-notebook.schottelius.org>

one-time-scripts/fix-vpn-peers.sh

@@ -0,0 +1,25 @@
+#!/bin/sh
+
+vpndir=/home/nico/vcs/ungleich-dot-cdist/type/__ungleich_wireguard/files
+
+for i in $(ls -1 viirb*public_key); do
+    viirb=${i%.public_key};
+    num=${viirb#viirb};
+    hex=$(printf "%0.2x" $num);
+    pubkey=$(cat $i);
+    network="2a0a:e5c1:3${hex}::/48";
+    peerfilename=vpn-2a0ae5c1300.ungleich.ch.peer${hex}
+
+    peerfile=${vpndir}/${peerfilename}
+    if [ ! -f "${peerfile}" ]; then
+        echo "VIIRB $num / peer $hex missing, recreating"
+        cat <<EOF > "${peerfile}"
+# viirb${num}, $(date +%F)
+[Peer]
+PublicKey = $pubkey
+AllowedIPs = ${network}
+
+EOF
+    fi
+
+done