58 lines
2.0 KiB
Bash
58 lines
2.0 KiB
Bash
#!/bin/ksh
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#LoggingPath
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LOGGINGPATH=/dev/console
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#Hostaddress Head Unit OMAP
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HOSTADDRESS=160.48.199.119
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# binary fs-nfs3
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NFSCLIENT=fs-nfs3
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#binary showmount
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SHOWMOUNT=showmount
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# we'd like to get 5 mount points: /mnt/data, /mnt/quota/mm, /mnt/quota/sys, /mnt/share, /ramdisk/mm
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REQUIREDMOUNTPOINTS=5
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# robustness: after a number of failed attempts, we're satisfied if one mountpoint is missing
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FALLBACKAFTER=3
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FALLBACKMOUNTPOINTS=4
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#check if binaries are available
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whence -v $SHOWMOUNT >/dev/null 2>&1
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if [[ $? -ne 0 ]] ; then
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echo "fs-nfs3_launcher.sh: ERROR: Could not find $SHOWMOUNT!" > $LOGGINGPATH
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exit 1
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fi
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whence -v $NFSCLIENT >/dev/null 2>&1
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if [[ $? -ne 0 ]] ; then
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echo "fs-nfs3_launcher.sh: ERROR: Could not find $NFSCLIENT!" > $LOGGINGPATH
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exit 1
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fi
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# we wait until showmount supplies required mountpoints on HU
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ATTEMPTS=0
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while (true) ; do
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if [[ -e /fs/sda0 ]] ; then
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countMountPoints=`$SHOWMOUNT -e $HOSTADDRESS 2>&1 | grep -cE '\/(mnt|ramdisk)\/'`
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if [[ $countMountPoints -ge $REQUIREDMOUNTPOINTS ]] ; then
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echo "fs-nfs3_launcher.sh: starting $NFSCLIENT" > $LOGGINGPATH
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exec $NFSCLIENT -Z a -eus -o soft=3,udp $HOSTADDRESS:/mnt/data /mnt/data -Z a -eus -o soft=3,udp $HOSTADDRESS:/mnt/quota/mm /mnt/quota/mm -Z a -eus -o soft=3,udp $HOSTADDRESS:/mnt/quota/sys /mnt/quota/sys -Z a -eus -o soft=3,udp $HOSTADDRESS:/mnt/share /mnt/share -Z a -eus -o soft=3,udp $HOSTADDRESS:/ramdisk/mm /mnt/ramdisk/mm
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else
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if [[ ++ATTEMPTS -eq $FALLBACKAFTER ]]; then
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echo "fs-nfs3_launcher.sh: Fall back after $ATTEMPTS attempts: Now waiting for $FALLBACKMOUNTPOINTS instead of $REQUIREDMOUNTPOINTS mount points!" > $LOGGINGPATH
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REQUIREDMOUNTPOINTS=$FALLBACKMOUNTPOINTS
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else
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echo "fs-nfs3_launcher.sh: showmount call #$ATTEMPTS reports $countMountPoints NFS exports from Head Unit, but we're waiting for at least $REQUIREDMOUNTPOINTS, trying again..." > $LOGGINGPATH
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fi
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fi
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sleep 1
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else
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exit 0
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fi
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done
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# we should never get here
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exit 1 |