systemd/test/create-busybox-container
Quentin Deslandes 961549ab41 tests: add nspawn's rootidmap integration test
Add integration test to testsuite-13.sh to ensure rootidmap option map
user IDs as expected.
2022-10-17 12:01:50 +02:00

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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -e
set -u
set -o pipefail
root="${1:?Usage $0 container-root}"
mkdir -p "$root"
mkdir "$root/bin"
# On openSUSE the static linked version of busybox is named "busybox-static".
busybox="$(type -P busybox-static || type -P busybox)"
cp "$busybox" "$root/bin/busybox"
mkdir -p "$root/usr/lib"
touch "$root/usr/lib/os-release"
ln -s busybox "$root/bin/sh"
ln -s busybox "$root/bin/cat"
ln -s busybox "$root/bin/tr"
ln -s busybox "$root/bin/ps"
ln -s busybox "$root/bin/ip"
ln -s busybox "$root/bin/seq"
ln -s busybox "$root/bin/sleep"
ln -s busybox "$root/bin/usleep"
ln -s busybox "$root/bin/test"
ln -s busybox "$root/bin/stat"
ln -s busybox "$root/bin/touch"
mkdir -p "$root/sbin"
cat <<'EOF' >"$root/sbin/init"
#!/bin/sh
printf "ps aufx:\n"
ps aufx
printf "/proc/1/cmdline:\n"
printf "%s\n\n" "$(tr '\0' ' ' </proc/1/cmdline)"
printf "/proc/1/environ:\n"
printf "%s\n\n" "$(tr '\0' '\n' </proc/1/environ)"
printf "/proc/1/mountinfo:\n"
cat /proc/self/mountinfo
printf "\n"
printf "/proc/1/cgroup:\n"
printf "%s\n\n" "$(cat /proc/1/cgroup)"
printf "/proc/1/uid_map:\n"
printf "%s\n\n" "$(cat /proc/1/uid_map)"
printf "/proc/1/setgroups:\n"
printf "%s\n\n" "$(cat /proc/1/setgroups)"
printf "/proc/1/gid_map:\n"
printf "%s\n\n" "$(cat /proc/1/gid_map)"
printf "ip link:\n"
ip link
EOF
chmod +x "$root/sbin/init"