k8s.io/kubernetes@v1.29.3/test/images/volume/nfs/run_nfs.sh (about)

     1  #!/usr/bin/env bash
     2  
     3  # Copyright 2015 The Kubernetes Authors.
     4  #
     5  # Licensed under the Apache License, Version 2.0 (the "License");
     6  # you may not use this file except in compliance with the License.
     7  # You may obtain a copy of the License at
     8  #
     9  #     http://www.apache.org/licenses/LICENSE-2.0
    10  #
    11  # Unless required by applicable law or agreed to in writing, software
    12  # distributed under the License is distributed on an "AS IS" BASIS,
    13  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14  # See the License for the specific language governing permissions and
    15  # limitations under the License.
    16  
    17  function start()
    18  {
    19  
    20      unset gid
    21      # accept "-G gid" option
    22      while getopts "G:" opt; do
    23          case ${opt} in
    24              G) gid=${OPTARG};;
    25              *):;;
    26          esac
    27      done
    28      shift $((OPTIND - 1))
    29  
    30      # prepare /etc/exports
    31      for i in "$@"; do
    32          # fsid=0: needed for NFSv4
    33          echo "$i *(rw,fsid=0,insecure,no_root_squash)" >> /etc/exports
    34          if [ -v gid ] ; then
    35              chmod 070 "$i"
    36              chgrp "$gid" "$i"
    37          fi
    38          # move index.html to here
    39          /bin/cp /tmp/index.html "$i/"
    40          chmod 644 "$i/index.html"
    41          echo "Serving $i"
    42      done
    43  
    44      # start rpcbind if it is not started yet
    45      /usr/sbin/rpcinfo 127.0.0.1 > /dev/null; s=$?
    46      if [ $s -ne 0 ]; then
    47         echo "Starting rpcbind"
    48         /usr/sbin/rpcbind -w
    49      fi
    50  
    51      mount -t nfsd nfsd /proc/fs/nfsd
    52  
    53      # -V 3: enable NFSv3
    54      /usr/sbin/rpc.mountd -N 2 -V 3
    55  
    56      /usr/sbin/exportfs -r
    57      # -G 10 to reduce grace time to 10 seconds (the lowest allowed)
    58      /usr/sbin/rpc.nfsd -G 10 -N 2 -V 3
    59      /usr/sbin/rpc.statd --no-notify
    60      echo "NFS started"
    61  }
    62  
    63  function stop()
    64  {
    65      echo "Stopping NFS"
    66  
    67      /usr/sbin/rpc.nfsd 0
    68      /usr/sbin/exportfs -au
    69      /usr/sbin/exportfs -f
    70  
    71      kill "$( pidof rpc.mountd )"
    72      umount /proc/fs/nfsd
    73      echo > /etc/exports
    74      exit 0
    75  }
    76  
    77  
    78  trap stop TERM
    79  
    80  start "$@"
    81  
    82  # Ugly hack to do nothing and wait for SIGTERM
    83  while true; do
    84      sleep 5
    85  done