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systemd/test/create-busybox-container

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treewide: more portable bash shebangs As in 2a5fcfae024ffc370bb780572279f45a1da3f946 and in 3e67e5c9928f8b1e1c5a63def88d53ed1fed12eb using /usr/bin/env allows bash to be looked up in PATH rather than being hard-coded. As with the previous changes the same arguments apply - distributions have scripts to rewrite shebangs on installation and they know what locations to rely on. - For tests/compilation we should rather rely on the user to have setup there PATH correctly. In particular this makes testing from git easier on NixOS where do not provide /bin/bash to improve compose-ability.
2020-03-04 12:35:06 +03:00
#!/usr/bin/env bash
licensing: add forgotten spdx headers Those are all "our" files, but we forgot to add the headers, most likely because of non-standard file extensions.
2021-10-01 14:04:32 +03:00
# SPDX-License-Identifier: LGPL-2.1-or-later
tests: add smoke test for systemd-nspawn Basically, this test runs: ``` systemd-nspawn --register=no -D "$_root" -b systemd-nspawn --register=no -D "$_root" --private-network -b systemd-nspawn --register=no -D "$_root" -U -b systemd-nspawn --register=no -D "$_root" --private-network -U -b ``` and exports the `UNIFIED_CGROUP_HIERARCHY=[yes|no]`, `SYSTEMD_NSPAWN_USE_CGNS=[yes|no]` Inspired by * systemd#3589 (comment) * systemd#4372 (comment) * systemd#4223 (comment) * systemd#1555 and so on :-)
2016-10-14 21:42:46 +03:00
set -e
set -u
set -o pipefail
root="${1:?Usage $0 container-root}"
mkdir -p "$root"
mkdir "$root/bin"
test: on openSUSE the static linked version of busybox is named "busybox-static"
2021-08-08 08:35:04 +03:00
# On openSUSE the static linked version of busybox is named "busybox-static".
busybox="$(type -P busybox-static || type -P busybox)"
cp "$busybox" "$root/bin/busybox"
tests: add smoke test for systemd-nspawn Basically, this test runs: ``` systemd-nspawn --register=no -D "$_root" -b systemd-nspawn --register=no -D "$_root" --private-network -b systemd-nspawn --register=no -D "$_root" -U -b systemd-nspawn --register=no -D "$_root" --private-network -U -b ``` and exports the `UNIFIED_CGROUP_HIERARCHY=[yes|no]`, `SYSTEMD_NSPAWN_USE_CGNS=[yes|no]` Inspired by * systemd#3589 (comment) * systemd#4372 (comment) * systemd#4223 (comment) * systemd#1555 and so on :-)
2016-10-14 21:42:46 +03:00
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 "$root/bin/ip"
machine: enter target PID namespace when adding a live mount machinectl fails since 21935150a0c42b91a322105f6a9129116bfc8e2e as it's now mounting onto a file descriptor in a target namespace, without joining the target's PID namespace. Note that it's not enough to setns CLONE_NEWPID, but a double-fork is required as well, as implemented by namespace_fork(). Add a test case to TEST-13-NSPAWN to cover this use case.
2021-01-14 02:52:00 +03:00
ln -s busybox "$root/bin/seq"
ln -s busybox "$root/bin/sleep"
TEST-13-*: in busybox container sleep(1) takes a delay in seconds only
2021-08-05 09:38:27 +03:00
ln -s busybox "$root/bin/usleep"
machine: enter target PID namespace when adding a live mount machinectl fails since 21935150a0c42b91a322105f6a9129116bfc8e2e as it's now mounting onto a file descriptor in a target namespace, without joining the target's PID namespace. Note that it's not enough to setns CLONE_NEWPID, but a double-fork is required as well, as implemented by namespace_fork(). Add a test case to TEST-13-NSPAWN to cover this use case.
2021-01-14 02:52:00 +03:00
ln -s busybox "$root/bin/test"
tests: add smoke test for systemd-nspawn Basically, this test runs: ``` systemd-nspawn --register=no -D "$_root" -b systemd-nspawn --register=no -D "$_root" --private-network -b systemd-nspawn --register=no -D "$_root" -U -b systemd-nspawn --register=no -D "$_root" --private-network -U -b ``` and exports the `UNIFIED_CGROUP_HIERARCHY=[yes|no]`, `SYSTEMD_NSPAWN_USE_CGNS=[yes|no]` Inspired by * systemd#3589 (comment) * systemd#4372 (comment) * systemd#4223 (comment) * systemd#1555 and so on :-)
2016-10-14 21:42:46 +03:00
mkdir -p "$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"
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