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wireguard: tolerate a failed public IP lookup #2976

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Merged
berendt merged 1 commit into from
Oct 18, 2026
Merged

wireguard: tolerate a failed public IP lookup #2976

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11 changes: 10 additions & 1 deletion scripts/prepare-wireguard-configuration.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -6,5 +6,14 @@ if [[ -e /home/dragon/wg0-dragon.conf ]]; then
mv /home/dragon/wg0-dragon.conf /home/dragon/wireguard-client.conf
fi

sed -i -e s/WIREGUARD_PUBLIC_IP_ADDRESS/$(curl my.ip.fi)/ /home/dragon/wireguard-client.conf
# The public address only ends up in the client configuration that
# users fetch for a VPN connection; nothing in the deployment reads it.
# A failed lookup therefore leaves the placeholder in place instead of
# failing the deployment.
public_ip_address=$(curl -fsS --retry 3 --max-time 10 my.ip.fi || true)
if [[ $public_ip_address =~ ^[0-9a-fA-F.:]+$ ]]; then
sed -i -e "s/WIREGUARD_PUBLIC_IP_ADDRESS/$public_ip_address/" /home/dragon/wireguard-client.conf
else
echo "WARNING: public IP address lookup failed, WIREGUARD_PUBLIC_IP_ADDRESS in /home/dragon/wireguard-client.conf must be set manually" >&2
fi
sed -i -e "s/CHANGEME.*/GEQ5eWshKW+4ZhXMcWkAAbqzj7QA9G64oBFB3CbrR0w=/" /home/dragon/wireguard-client.conf
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