gitlab-network.sh

#!/bin/bash

set -euo pipefail

if podman pod inspect gitlab 1>/dev/null 2>&1; then
    echo "Deleting old pod"
    podman pod rm --force gitlab
fi

echo "Creating new pod"
podman pod create --name gitlab
podman pod start gitlab

echo "Getting container ID"
infra_cid="$(sudo podman pod inspect gitlab | jq -r '.State.infraContainerID')"
echo "CID: $infra_cid"

echo "Getting container PID"

infra_pid="$(sudo podman container top "$infra_cid" hpid | tail -n 1)"
echo "PID: $infra_pid"

echo "Deleting pre-existing eth0"
nsenter -t "$infra_pid" -n ip link delete eth0

echo "Move a new interface into namespace"
ip link set eth1 netns "$infra_pid" state up

echo "Add an address"
nsenter -t "$infra_pid" -n ip link set dev eth1 up
nsenter -t "$infra_pid" -n ip addr add 95.216.xx.yy/28 dev eth1
nsenter -t "$infra_pid" -n ip route add default via 95.216.xx.1