Simple create peers for wireguard.

wgpeer.sh

#!/bin/bash

TMPDIR=/tmp/wg_peers

read -p "Username: " USERNAME

USER_DIR=$TMPDIR/$USERNAME
USER_PRIVATEKEY=$USER_DIR/$USERNAME
USER_PUBLICKEY=$USER_DIR/$USERNAME.pub
USER_CONF=$USER_DIR/$USERNAME.conf
USER_QR=$USER_DIR/qrcode.png
USER_MIKROTIK=$USER_DIR/mikrotik.txt

mkdir -p $USER_DIR

# Generate keys for user
wg genkey | tee $USER_PRIVATEKEY | wg pubkey > $USER_PUBLICKEY

# Read data from input
read -p "Server publickey: " SERVER_PUBLICKEY
read -p "Server endpoint(123.123.123.123:4321): " ENDPOINT
read -p "Peer ip(example: 192.168.5.5/32): " PEER_IP
read -p "Peer allowed ips(example: 0.0.0.0/0): " ALLOWED_IPS

# Generate wireguard conf file
echo "# $USERNAME
[Interface]
PrivateKey = $(cat $USER_PRIVATEKEY)
Address = $PEER_IP
DNS = 8.8.8.8
MTU = 1280

[Peer]
PublicKey = $SERVER_PUBLICKEY
AllowedIPs = $ALLOWED_IPS
Endpoint = $ENDPOINT
PersistentKeepalive = 15" > $USER_CONF

# Generate qr code and save to file
qrencode -t ansiutf8 < $USER_CONF
qrencode -t png -o $USER_QR -r $USER_CONF

# Mikrotik command
echo "/interface/wireguard/peers/add name=$USERNAME interface=wireguard1 public-key=$(cat $USER_PUBLICKEY) allowed-address=0.0.0.0/0 persistent-keepalive=15" > $USER_MIKROTIK

echo "Add this line in mikrotik cli:"
cat $USER_MIKROTIK