config/events.d/60.nfs

   1 #!/bin/sh
   2 # script to manage nfs in a clustered environment
   3
   4 start_nfs() {
   5         /bin/mkdir -p $CTDB_BASE/state/nfs
   6         /bin/mkdir -p $CTDB_BASE/state/statd/ip
   7         /bin/mkdir -p $STATD_SHARED_DIRECTORY
   8         startstop_nfs stop
   9         startstop_nfs start
  10 }
  11
  12 reconfigure_nfs() {
  13         # always restart the lockmanager so that we start with a clusterwide
  14         # graceperiod when ip addresses has changed
  15         [ -x $CTDB_BASE/statd-callout ] && {
  16                 $CTDB_BASE/statd-callout notify &
  17         } >/dev/null 2>&1
  18
  19 }
  20
  21 . $CTDB_BASE/functions
  22
  23 service_name="nfs"
  24 service_start="start_nfs"
  25 service_stop="startstop_nfs stop"
  26 service_reconfigure="reconfigure_nfs"
  27
  28 loadconfig
  29
  30 [ -z "$STATD_SHARED_DIRECTORY" ] && exit 0
  31
  32 ctdb_start_stop_service
  33
  34 case $cmd in
  35      startup)
  36         ctdb_service_start
  37         ;;
  38
  39      shutdown)
  40         ctdb_service_stop
  41         ;;
  42
  43      takeip)
  44         ctdb_service_set_reconfigure
  45         touch $CTDB_BASE/state/statd/ip/$2
  46         ;;
  47
  48      releaseip)
  49         ctdb_service_set_reconfigure
  50         /bin/rm -f $CTDB_BASE/state/statd/ip/$2
  51         ;;
  52
  53      recovered)
  54         # if we have taken or released any ips we must
  55         # restart the lock manager so that we enter a clusterwide grace period
  56         if ctdb_service_needs_reconfigure ; then
  57             ctdb_service_reconfigure
  58         fi
  59         ;;
  60
  61       monitor)
  62         if ctdb_service_needs_reconfigure ; then
  63             ctdb_service_reconfigure
  64             exit 0
  65         fi
  66
  67         # check that statd responds to rpc requests
  68         # if statd is not running we try to restart it
  69         rpcinfo -u localhost 100024 1 > /dev/null || {
  70                 RPCSTATDOPTS=""
  71                 [ -n "$STATD_HOSTNAME" ] && RPCSTATDOPTS="$RPCSTATDOPTS -n $STATD_HOSTNAME"
  72                 [ -n "$STATD_PORT" ] && RPCSTATDOPTS="$RPCSTATDOPTS -p $STATD_PORT"
  73                 [ -n "$STATD_OUTGOING_PORT" ] && RPCSTATDOPTS="$RPCSTATDOPTS -o $STATD_OUTGOING_PORT"
  74                 rpc.statd $RPCSTATDOPTS
  75                 echo "ERROR: STATD is not responding. Trying to restart it. [rpc.statd $RPCSTATDOPTS]"
  76         }
  77
  78
  79         # check that NFS responds to rpc requests
  80         ctdb_check_rpc "NFS" 100003 3
  81
  82         # and that its directories are available
  83         [ "$CTDB_NFS_SKIP_SHARE_CHECK" = "yes" ] || {
  84             exportfs | grep -v '^#' | grep '^/' |
  85             sed -e 's/[[:space:]]*[^[:space:]]*$//' |
  86             ctdb_check_directories
  87         } || exit $?
  88
  89         # check that lockd responds to rpc requests
  90         ctdb_check_rpc "lockd" 100021 1
  91         echo "$STATD_SHARED_DIRECTORY" | ctdb_check_directories "statd" || \
  92             exit $?
  93
  94         # mount needs special handling since it is sometimes not started
  95         # correctly on RHEL5
  96         rpcinfo -u localhost 100005 1 > /dev/null || {
  97                 echo "ERROR: MOUNTD is not running. Trying to restart it."
  98                 RPCMOUNTDOPTS=""
  99                 [ -n "$MOUNTD_PORT" ] && RPCMOUNTDOPTS="$RPCMOUNTDOPTS -p $MOUNTD_PORT"
 100                 killall -q -9 rpc.mountd
 101                 rpc.mountd $RPCMOUNTDOPTS &
 102                 exit 1
 103         }
 104         ;;
 105
 106     status)
 107         ctdb_checkstatus || exit $?
 108         ;;
 109 esac
 110
 111 exit 0