1 files changed, 64 insertions, 0 deletions
diff --git a/test/create-busybox-container b/test/create-busybox-container
new file mode 100755
index 0000000..5ded429
--- /dev/null
+++ b/test/create-busybox-container
@@ -0,0 +1,64 @@
+#!/usr/bin/env bash
+
+set -e
+set -u
+set -o pipefail
+
+root="${1:?Usage $0 container-root}"
+mkdir -p "$root"
+mkdir "$root/bin"
+cp $(type -P busybox) "$root/bin"
+
+os_release=$(test -e /etc/os-release && echo /etc/os-release || echo /usr/lib/os-release)
+ID_LIKE=$(awk -F= '$1=="ID_LIKE" { print $2 ;}' $os_release)
+if [[ "$ID_LIKE" = *"suse"* ]]; then
+    mkdir -p "$root/lib"
+    mkdir -p "$root/lib64"
+    for lib in $(find /lib*/ld*); do
+        [[ -d $root/$(dirname $lib) ]] || mkdir -p $root/$(dirname $lib)
+        cp $lib $root/$lib
+    done
+fi
+
+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 "$root/bin/ip"
+
+mkdir -p "$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"