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-jk-
n00b
Joined: 18 Jan 2006
Posts: 2
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 Posted: Sat Jul 23, 2011 5:49 pm Post subject: [SCRIPT] autofs: browse nfs via a samba-like workgroup |
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Background:
Before I used smbnetfs/fusesmb to share directories between 2 linux PCs. But the performance was quite low about 24-32Mb on a 1Gb netlink.
So I tested nfs and it was much faster 160Mb==20MB (near the max throughput of my hdds).
But I didn't wanted to hardlink all my exports (we are all lazy bastards ^^) and wrote this autofs script instead. May it be useful for others, too.
0.
You need avahi installed on both client & server | Code: | | emerge net-dns/avahi -a |
and autofs on the client | Code: | | emerge net-fs/autofs -a |
1.
on server
/etc/avahi/services/nfs.service:
| Code: | <?xml version="1.0" standalone='no'?>
<!DOCTYPE service-group SYSTEM "avahi-service.dtd">
<service-group>
<name replace-wildcards="yes">%h</name>
<service>
<type>_nfs._tcp</type>
<port>2049</port>
</service>
</service-group> |
on client
/etc/autofs/auto.nfs:
| Code: | #!/bin/bash
protocol="IPv4"
opts="-fstype=nfs,hard,intr,timeo=5,rw"
NFS_HOSTS=`avahi-browse -tkrp _nfs._tcp`
EXPORTS=""
for line in $NFS_HOSTS; do
NFS_HOST=(`echo ${line} | tr ';' '\n'`)
if [ "${NFS_HOST[0]}" != "=" ]; then
continue;
fi
PRT=${NFS_HOST[2]}
if [ "$PRT" != "$protocol" ]; then
continue;
fi
HOSTNAME=${NFS_HOST[3]}
HOSTIP=${NFS_HOST[7]}
NFS_EXPORTS=`showmount --no-headers -e $HOSTIP | sed 's/ .*//g'`
for expline in $NFS_EXPORTS; do
EXPORT=${expline[0]}
BASENAME=`basename $EXPORT`
EXPORTS="${EXPORTS}$EXPORT $HOSTIP $HOSTNAME $BASENAME \n"
done
done
echo -e $EXPORTS | \
awk -v opts="$opts" -- '
BEGIN { ORS=""; first=1 }
{ if (first) { print opts; first=0 }; if ($2) {print " \\\n\t/" tolower($3) "/" $4, $2 ":" $1} }
END { if (!first) print "\n"; else exit 1 }
'
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| Code: | | chmod +x /etc/autofs/auto.nfs |
/etc/auto.master:
| Code: | ...
/var/autofs/nfs /etc/autofs/auto.nfs --timeout=30
...
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2.
So now you can already browse your nfs `workgroup` via /var/autofs/nfs/foobar/$host/$exports. The `foobar` string/directory is a hack, you can put anything into it (it isn't used in the auto.nfs script!), but needed to get it working.
For easier usage you can now:
| Code: | | ln -s /var/autofs/nfs/workgroup/ /mnt/nfs |
The advantage is we can even use tab-completion with it!
3.
Profit.
Last edited by -jk- on Mon Jul 25, 2011 9:53 am; edited 1 time in total |
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truc
Advocate
Joined: 25 Jul 2005
Posts: 3199
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| Posted: Sun Jul 24, 2011 1:22 pm Post subject: |
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haven't tried it yet, but it looks really interesting, eventually avahi used for something!
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