LXC_MAPPED_UID=
LXC_MAPPED_GID=
-BUSYBOX_EXE=
+BUSYBOX_EXE=`which busybox`
# Make sure the usual locations are in PATH
export PATH=$PATH:/usr/sbin:/usr/bin:/sbin:/bin
mknod -m 666 "${rootfs}/dev/zero" c 1 5 || res=1
mknod -m 666 "${rootfs}/dev/urandom" c 1 9 || res=1
fi
+
+ # make /tmp accessible to any user (with sticky bit)
+ chmod 1777 "${rootfs}/tmp" || return 1
# root user defined
cat <<EOF >> "${rootfs}/etc/passwd"
LXC busybox image builder
Special arguments:
-[ -h | --help ]: Print this help message and exit.
-
-LXC internal arguments (do not pass manually!):
-[ --name <name> ]: The container name
-[ --path <path> ]: The path to the container
-[ --rootfs <rootfs> ]: The path to the container's rootfs
-[ --mapped-uid <map> ]: A uid map (user namespaces)
-[ --mapped-gid <map> ]: A gid map (user namespaces)
+
+ [ -h | --help ]: Print this help message and exit.
+
+LXC internal arguments:
+
+ [ --name <name> ]: The container name
+ [ --path <path> ]: The path to the container
+ [ --rootfs <rootfs> ]: The path to the container's rootfs (default: config or <path>/rootfs)
+ [ --mapped-uid <map> ]: A uid map (user namespaces)
+ [ --mapped-gid <map> ]: A gid map (user namespaces)
+
+BUSYBOX template specific arguments:
+
+ [ --busybox-path <path> ]: busybox pathname (default: ${BUSYBOX_EXE})
+
EOF
return 0
}
-if ! options=$(getopt -o hp:n: -l help,rootfs:,path:,name:,mapped-uid:,mapped-gid: -- "$@"); then
+if ! options=$(getopt -o hp:n: -l help,rootfs:,path:,name:,mapped-uid:,mapped-gid:,busybox-path: -- "$@"); then
usage
exit 1
fi
--rootfs) rootfs=$2; shift 2;;
--mapped-uid) LXC_MAPPED_UID=$2; shift 2;;
--mapped-gid) LXC_MAPPED_GID=$2; shift 2;;
+ --busybox-path) BUSYBOX_EXE=$2; shift 2;;
--) shift 1; break ;;
*) break ;;
esac
done
# Check that we have all variables we need
-if [ -z "${name}" ] || [ -z "${path}" ] || [ -z "${rootfs}" ]; then
- echo "ERROR: Please pass the name, path, and rootfs for the container" 1>&2
+if [ -z "${name}" ] || [ -z "${path}" ]; then
+ echo "ERROR: Please pass the name and path for the container" 1>&2
exit 1
fi
# Make sure busybox is present
-BUSYBOX_EXE=`which busybox`
-if [ $? -ne 0 ]; then
- echo "ERROR: Failed to find busybox binary" 1>&2
+if [ -z "${BUSYBOX_EXE}" ]; then
+ echo "ERROR: Please pass a pathname for busybox binary" 1>&2
+ exit 1
+fi
+if [ ! -x "${BUSYBOX_EXE}" ]; then
+ echo "ERROR: Failed to find busybox binary (${BUSYBOX_EXE})" 1>&2
exit 1
fi