recipes/nfs-utils/nfs-utils-1.1.2/nfsserver

   1 #!/bin/sh
   2 #
   3 # Startup script for nfs-utils
   4 #
   5 #
   6 # The environment variable NFS_SERVERS may be set in /etc/default/nfsd
   7 # Other control variables may be overridden here too
   8 test -r /etc/default/nfsd && . /etc/default/nfsd
   9 #
  10 # Location of executables:
  11 test -x "$NFS_MOUNTD" || NFS_MOUNTD=/usr/sbin/rpc.mountd
  12 test -x "$NFS_NFSD" || NFS_NFSD=/usr/sbin/rpc.nfsd
  13 test -x "$NFS_STATD" || NFS_STATD=/usr/sbin/rpc.statd
  14 #
  15 # The user mode program must also exist (it just starts the kernel
  16 # threads using the kernel module code).
  17 test -x "$NFS_MOUNTD" || exit 0
  18 test -x "$NFS_NFSD" || exit 0
  19 #
  20 # Default is 8 threads, value is settable between 1 and the truely
  21 # ridiculous 99
  22 test "$NFS_SERVERS" -gt 0 && test "$NFS_SERVERS" -lt 100 || NFS_SERVERS=8
  23 #
  24 # The default state directory is /var/lib/nfs
  25 test -n "$NFS_STATEDIR" || NFS_STATEDIR=/var/lib/nfs
  26 #
  27 #----------------------------------------------------------------------
  28 # Startup and shutdown functions.
  29 #  Actual startup/shutdown is at the end of this file.
  30 #directories
  31 create_directories(){
  32         echo -n 'creating NFS state directory: '
  33         mkdir -p "$NFS_STATEDIR"
  34         (       cd "$NFS_STATEDIR"
  35                 umask 077
  36                 mkdir -p sm sm.bak
  37                 test -w sm/state || {
  38                         rm -f sm/state
  39                         :>sm/state
  40                 }
  41                 umask 022
  42                 for file in xtab etab smtab rmtab
  43                 do
  44                         test -w "$file" || {
  45                                 rm -f "$file"
  46                                 :>"$file"
  47                         }
  48                 done
  49         )
  50         echo done
  51 }
  52 #mountd
  53 start_mountd(){
  54         echo -n 'starting mountd: '
  55         start-stop-daemon --start --exec "$NFS_MOUNTD" -- "-f /etc/exports $@"
  56         echo done
  57 }
  58 stop_mountd(){
  59         echo -n 'stopping mountd: '
  60         start-stop-daemon --stop --quiet --exec "$NFS_MOUNTD"
  61         echo done
  62 }
  63 #
  64 #nfsd
  65 start_nfsd(){
  66         echo -n "starting $1 nfsd kernel threads: "
  67         start-stop-daemon --start --exec "$NFS_NFSD" -- "$@"
  68         echo done
  69 }
  70 delay_nfsd(){
  71         for delay in 0 1 2 3 4 5 6 7 8 9
  72         do
  73                 if pidof nfsd >/dev/null
  74                 then
  75                         echo -n .
  76                         sleep 1
  77                 else
  78                         return 0
  79                 fi
  80         done
  81         return 1
  82 }
  83 stop_nfsd(){
  84         # WARNING: this kills any process with the executable
  85         # name 'nfsd'.
  86         echo -n 'stopping nfsd: '
  87         start-stop-daemon --stop --quiet --signal 1 --name nfsd
  88         if delay_nfsd || {
  89                 echo failed
  90                 echo ' using signal 9: '
  91                 start-stop-daemon --stop --quiet --signal 9 --name nfsd
  92                 delay_nfsd
  93         }
  94         then
  95                 echo done
  96                 # This will remove, recursively, dependencies
  97                 echo -n 'removing nfsd kernel module: '
  98                 if modprobe -r nfsd
  99                 then
 100                         echo done
 101                 else
 102                         echo failed
 103                 fi
 104         else
 105                 echo failed
 106         fi
 107 }
 108
 109 #statd
 110 start_statd(){
 111         echo -n "starting statd: "
 112         start-stop-daemon --start --exec "$NFS_STATD"
 113         echo done
 114 }
 115 stop_statd(){
 116         # WARNING: this kills any process with the executable
 117         # name 'statd'.
 118         echo -n 'stopping statd: '
 119         start-stop-daemon --stop --quiet --signal 1 --name statd
 120         echo done
 121 }
 122 #----------------------------------------------------------------------
 123 #
 124 # supported options:
 125 #  start
 126 #  stop
 127 #  reload: reloads the exports file
 128 #  restart: stops and starts mountd
 129 #FIXME: need to create the /var/lib/nfs/... directories
 130 case "$1" in
 131 start)  create_directories
 132         start_nfsd "$NFS_SERVERS"
 133         start_mountd
 134         start_statd
 135         test -r /etc/exports && exportfs -a;;
 136 stop)   exportfs -ua
 137         stop_statd
 138         stop_mountd
 139         stop_nfsd;;
 140 reload) test -r /etc/exports && exportfs -r;;
 141 restart)exportfs -ua
 142         stop_mountd
 143         stop_statd
 144         # restart does not restart the kernel threads,
 145         # only the user mode processes
 146         start_mountd
 147         start_statd
 148         test -r /etc/exports && exportfs -a;;
 149 esac