Configure WG endpoint (Oracle Linux)

oracle_cloudconfig.sh

#!/bin/sh

# Configure WG endpoint (Oracle Linux)

WG_PRIVATE_KEY=
WG_ADDRESS=
WG_PEER=
WG_PSK=
WG_ALLOWED_IP=
WG_ENDPOINT=
WG_KEEPALIVE=

(

umask 077

# Update
yum update -y
yum upgrade -y

# Enable wireguard
yum install -y wireguard-tools

# Configure WG
cd /etc/wireguard
cat >wg0.conf <<EOM
[Interface]
PrivateKey = ${WG_PRIVATE_KEY}
Address = ${WG_ADDRESS}

[Peer]
PublicKey = ${WG_PEER}
PresharedKey = ${WG_PSK}
AllowedIPs = ${WG_ALLOWED_IP}
Endpoint = ${WG_ENDPOINT}
PersistentKeepalive = ${WG_KEEPALIVE}
EOM

awk '/PrivateKey/ { printf "WG_PUBLIC_KEY :: "; print $3 |"wg pubkey"; exit }' wg0.conf

# IP Forwarding
cat >/etc/sysctl.d/10-forward.conf <<EOM
net.ipv4.ip_forward=1
net.ipv6.conf.all.forwarding=1
EOM

# Firewalld
firewall-cmd --zone=public --add-masquerade --permanent 

# Systemd
systemctl enable [email protected]
systemctl start [email protected]
systemctl status [email protected]

) >/config.out 2> /config.err