nfsfs.init

   1 #!/bin/sh
   2 #
   3 # nfsfs         Mount NFS filesystems.
   4 #
   5 # chkconfig:    345 16 80
   6 # description:  Mounts and unmounts all Network File System (NFS) \
   7 #               mount points.
   8
   9 # Source networking configuration.
  10 if [ ! -f /etc/sysconfig/network ]; then
  11         exit 0
  12 fi
  13
  14 # Source function library.
  15 . /etc/rc.d/init.d/functions
  16
  17 # Get network config
  18 . /etc/sysconfig/network
  19
  20 # Get service config
  21 [ -f /etc/sysconfig/nfsfs ] && . /etc/sysconfig/nfsfs
  22 [ -f /etc/sysconfig/nfslock ] && . /etc/sysconfig/nfslock
  23
  24 # Check that networking is up.
  25 if is_yes "${NETWORKING}"; then
  26         if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status ]; then
  27                 msg_network_down nfsfs
  28                 exit 1
  29         fi
  30 else
  31         exit 0
  32 fi
  33
  34 if [ "$1" != "stop" ]; then
  35         check_portmapper || { nls "Error: portmap isn't running" && exit 0; }
  36 fi
  37
  38 if [ -z "$NFSUMOUNT_IGNORE" ]; then
  39         NFSUMOUNT_IGNORE="/ /usr"
  40 fi
  41
  42 start() {
  43         if [ ! -f /var/lock/subsys/nfsfs ]; then
  44                 # Set the ports lockd should listen on
  45                 if [ -n "$LOCKD_TCPPORT" ]; then
  46                         /sbin/sysctl -w fs.nfs.nlm_tcpport=$LOCKD_TCPPORT >/dev/null 2>&1
  47                 fi
  48                 if [ -n "$LOCKD_UDPPORT" ]; then
  49                         /sbin/sysctl -w fs.nfs.nlm_udpport=$LOCKD_UDPPORT >/dev/null 2>&1
  50                 fi
  51
  52                 # Special case /usr first
  53                 if ! awk '{ if ($2 == "/usr" && $3 ~ /^nfs(4$|$)/ && $4 !~ /noauto/) exit 1}' /etc/fstab ; then
  54                         run_cmd "Mounting /usr filesystem" mount /usr
  55                         # In case of /usr over NFS idmapd, gssd and lockd may not start
  56                         # check if they're running and try to start them if not
  57                         /sbin/service idmapd status >/dev/null || /sbin/service idmapd start
  58                         /sbin/service gssd status >/dev/null || /sbin/service gssd start
  59                         /sbin/service nfslock status >/dev/null || /sbin/service nfslock start
  60                 fi
  61                 run_cmd "Mounting NFS filesystems" mount -a -t nfs,nfs4
  62                 touch /var/lock/subsys/nfsfs
  63
  64         else
  65             msg_already_running "NFSFS"
  66         fi
  67 }
  68
  69 stop() {
  70         if [ -f /proc/mounts ]; then
  71                 fsfile="/proc/mounts"
  72         else
  73                 fsfile="/etc/mtab"
  74         fi
  75
  76         show "Unmounting NFS filesystems"
  77         busy
  78         retry=3
  79         remaining=$(awk -v ig="^($NFSUMOUNT_IGNORE)$" 'BEGIN { gsub(/[\t ]+/, "|", ig); } \
  80                         $3 ~ /^nfs(4$|$)/ && $2 !~ ig {print $2}' $fsfile)
  81         while [ -n "$remaining" -a $retry -gt 0 ]; do
  82                 fuser -msk -TERM `awk -v ig="^($NFSUMOUNT_IGNORE)$" 'BEGIN { gsub(/[\t ]+/, "|", ig); } \
  83                                         $3 ~ /^nfs(4$|$)/ && $2 !~ ig {print $2}' $fsfile`
  84                 sleep 2
  85                 fuser -msk -KILL `awk -v ig="^($NFSUMOUNT_IGNORE)$" 'BEGIN { gsub(/[\t ]+/, "|", ig); } \
  86                                         $3 ~ /^nfs(4$|$)/ && $2 !~ ig {print $2}' $fsfile`
  87                 # Sort filesystems to unmount in reverse order
  88                 rem=""
  89                 for r in $(awk -v ig="^($NFSUMOUNT_IGNORE)$" 'BEGIN { gsub(/[\t ]+/, "|", ig); } \
  90                                 $3 ~ /^nfs(4$|$)/ && $2 !~ ig {print $2}' $fsfile) ; do
  91                         rem="$r $rem"
  92                 done
  93                 for fs in $rem ; do
  94                         umount $fs
  95                 done
  96                 remaining=$(awk -v ig="^($NFSUMOUNT_IGNORE)$" 'BEGIN { gsub(/[\t ]+/, "|", ig); } \
  97                                 $3 ~ /^nfs(4$|$)/ && $2 !~ ig {print $2}' $fsfile)
  98                 retry=$(($retry-1))
  99         done
 100         ok
 101         rm -f /var/lock/subsys/nfsfs
 102 }
 103
 104 # See how we were called.
 105 case "$1" in
 106   start)
 107         start
 108         ;;
 109   stop)
 110         stop
 111         ;;
 112   status)
 113         if [ -f /proc/mounts ]; then
 114                 echo "Configured NFS mountpoints:"
 115                 grep -v '^#' /etc/fstab | \
 116                   awk '{ if ($3 ~ /^nfs(4$|$)/ && $4 !~ /noauto/) print $2}'
 117                 echo "Active NFS mountpoints:"
 118                 grep -v '^#' /proc/mounts | \
 119                   awk '{ if ($3 ~ /^nfs(4$|$)/ && $4 !~ /noauto/) print $2}'
 120         else
 121                 echo "/proc filesystem unavailable"
 122         fi
 123         ;;
 124   restart)
 125         stop
 126         start
 127         ;;
 128   reload|force-reload)
 129         mount -a -t nfs,nfs4
 130         ;;
 131   *)
 132         msg_usage "$0 {start|stop|restart|reload|force-reload|status}"
 133         exit 3
 134 esac
 135
 136 exit 0