# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

# rpc_pipefs - NFSv4 rpc_pipefs mounter

# mounts/unmounts the rpc_pipefs filesystem on /var/lib/nfs/rpc_pipefs
# this is needed by gssd and idmapd and the mount will not happen if
# these are not running / used

# This is modified from Ubuntu's rpc_pipefs.conf

description "Mount the rpc_pipefs filesystem for NFSv4"
author "chromium-os-dev@chromium.org"

#console output

start on (starting gssd or starting idmapd)
stop on (stopped gssd and stopped idmapd)

env PIPEFS_MOUNTPOINT=/var/lib/nfs/rpc_pipefs

pre-start script
  . /etc/init/lib/nfs-check-setup

  if [ "$NEED_IDMAPD" != "yes" ] && [ "$NEED_GSSD" != "yes" ]; then
    stop
    exit 0
  fi

  modprobe -q sunrpc || true

  # Make sure we have the rpc_pipefs filesystem
  grep -qs rpc_pipefs /proc/filesystems || return 1

  # If things are already mounted, let's just return
  grep -qs "rpc_pipefs $PIPEFS_MOUNTPOINT" /proc/mounts && return 0

  mkdir -p $PIPEFS_MOUNTPOINT
  mount -t rpc_pipefs rpc_pipefs "$PIPEFS_MOUNTPOINT"
end script

post-stop script
  # Unmount, but only if mounted
  grep -qs "rpc_pipefs $PIPEFS_MOUNTPOINT" /proc/mounts && umount "$PIPEFS_MOUNTPOINT"
end script