jailmaker/templates/podman/config

startup=0
gpu_passthrough_intel=0
gpu_passthrough_nvidia=0

# Use macvlan networking to provide an isolated network namespace,
# so podman can manage firewall rules
# Alternatively use --network-bridge=br1 instead of --network-macvlan
# Ensure to change eno1/br1 to the interface name you want to use
# You may want to add additional options here, e.g. bind mounts
systemd_nspawn_user_args=--network-macvlan=eno1
    --resolv-conf=bind-host
    --system-call-filter='add_key keyctl bpf'

# Script to run on the HOST before starting the jail
# Load kernel module and config kernel settings required for podman
pre_start_hook=#!/usr/bin/bash
    set -euo pipefail
    echo 'PRE_START_HOOK'
    echo 1 > /proc/sys/net/ipv4/ip_forward
    modprobe br_netfilter
    echo 1 > /proc/sys/net/bridge/bridge-nf-call-iptables
    echo 1 > /proc/sys/net/bridge/bridge-nf-call-ip6tables

# Only used while creating the jail
distro=fedora
release=39

# Install podman inside the jail
# NOTE: this script will run in the host networking namespace and ignores
# all systemd_nspawn_user_args such as bind mounts
initial_setup=#!/usr/bin/bash
    set -euo pipefail
    dnf -y install podman
    # Add the required capabilities to the `newuidmap` and `newgidmap` binaries
    # https://github.com/containers/podman/issues/2788#issuecomment-1016301663
    # https://github.com/containers/podman/issues/12637#issuecomment-996524341
    setcap cap_setuid+eip /usr/bin/newuidmap
    setcap cap_setgid+eip /usr/bin/newgidmap

# You generally will not need to change the options below
systemd_run_default_args=--property=KillMode=mixed
    --property=Type=notify
    --property=RestartForceExitStatus=133
    --property=SuccessExitStatus=133
    --property=Delegate=yes
    --property=TasksMax=infinity
    --collect
    --setenv=SYSTEMD_NSPAWN_LOCK=0

systemd_nspawn_default_args=--keep-unit
    --quiet
    --boot
    --bind-ro=/sys/module
    --inaccessible=/sys/module/apparmor