busybox: simplify

Start relying on autodev for busybox template and wipe all the device
creation.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/templates/lxc-busybox.in b/templates/lxc-busybox.in
index 3306b5e6347c80adcafcd5cf1e86c959cf22774a..632f9c8016241665c8f5f8f35d8b65e49f33dbd7 100644 (file)
--- a/templates/lxc-busybox.in
+++ b/templates/lxc-busybox.in
@@ -86,23 +86,6 @@ ${rootfs}/usr/lib64"
   # shellcheck disable=SC2086
   chmod 755 ${fstree} || return 1
 
-  # minimal devices needed for busybox
-  if [ "${USERNS}" = "yes" ]; then
-    for dev in tty console tty0 tty1 ram0 null urandom; do
-      echo "lxc.mount.entry = /dev/${dev} dev/${dev} none bind,optional,create=file 0 0" >> "${path}/config"
-    done
-  else
-    mknod -m 666 "${rootfs}/dev/tty" c 5 0       || res=1
-    mknod -m 666 "${rootfs}/dev/console" c 5 1   || res=1
-    mknod -m 666 "${rootfs}/dev/tty0" c 4 0      || res=1
-    mknod -m 666 "${rootfs}/dev/tty1" c 4 0      || res=1
-    mknod -m 666 "${rootfs}/dev/tty5" c 4 0      || res=1
-    mknod -m 600 "${rootfs}/dev/ram0" b 1 0      || res=1
-    mknod -m 666 "${rootfs}/dev/null" c 1 3      || res=1
-    mknod -m 666 "${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
 
@@ -227,7 +210,8 @@ cat <<EOF >> "${path}/config"
 lxc.signal.halt = SIGUSR1
 lxc.signal.reboot = SIGTERM
 lxc.uts.name = "${name}"
-lxc.tty.max = 1
+lxc.autodev = 1
+lxc.tty.max = 5
 lxc.pty.max = 1
 lxc.cap.drop = sys_module mac_admin mac_override sys_time