#! /bin/bash
#
# /sbin/ensure-nfsshares-mounted
#
# Author "Hans Hook, Altrusoft AB, www.altrusoft.se"

MAX_COUNT=45 # Maximum number of mount attempts -before giving up

ensure_nfsmount() 
{
    local count=0
    while true
    do
	if mount | grep "type nfs" | awk '{print $3}' | grep -q -E "^$1\$"
	then
	    # Share is mounted - OK
	    return 0
	else
	    mount "$1"
	    count=$((count+1))
	    if [ $count -gt $MAX_COUNT ]
	    then
		echo "Failed to mount NFS share $1 - giving up!" 1>&2
		return 9
	    elif [ $count -gt 1 ]
	    then
		echo "Failed to mount NFS share $1 ($count) - will retry in a second" 1>&2
		sleep 1
	    fi
	fi
    done
}

mountpoints=$(cat /etc/fstab | grep  -v -E "^[:space:]*#.*" | grep nfs | awk '{print $2}')
for mp in $mountpoints
do
    if ! ensure_nfsmount $mp
    then
	# we failed
	initctl emit -n nfsshares-not-mounted
	exit $?
    fi
done

# all done!

initctl emit -n nfsshares-mounted

exit 0