From owner-freebsd-stable  Wed Apr 25 15:29: 7 2001
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Date: Wed, 25 Apr 2001 15:28:53 -0700
From: dannyman <dannyman@toldme.com>
To: Sven Huster <sven.huster@mailsurf.com>
Cc: freebsd-stable@freebsd.org
Subject: Re: diskless startup again
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In-Reply-To: <5.1.0.14.0.20010425105221.02657d00@mx01.mailsurf.com>; from sven.huster@mailsurf.com on Wed, Apr 25, 2001 at 11:00:04AM +0200
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On Wed, Apr 25, 2001 at 11:00:04AM +0200, Sven Huster wrote:
[...]
> Another thing is that i want to run different local daemons depending on
> the machines (ip's or hostnames), or machine groups
> So what i thought is to add the same function as for /etc to /usr/local/etc,
> maybe which the enhancement of grouping machines in a config file.
> This might be also useful for global config of "normal" machines,
> which then can be mirrored to all of them.
> 
> So my intention is to build clusters of www-server, mysql-server ...,
> which boot from the same root fs, use the same /usr, /usr/local ...

From rc.diskless1:
# Files in /etc are copied to /conf/etc which is writable. Then
# per-machine configs from /conf/ip.address/etc are copied onto this
# directory. First choice is using the client's IP, then the client's
# broadcast address, then a default configuration.
# This way we have some flexibility to handle clusters of machines
# on separate subnets.

I use this.

In my install script I do something slightly different:

# Copy default files in to /tmp/root
echo "Copying files from /install/default to /tmp/root:"
cp -Rp /install/default/* /tmp/root
if [ -d /install/`hostname` ] ; then
        echo "Copying files from /install/`hostname` to /tmp/root:"
        cp -Rp /install/`hostname`/* /tmp/root
fi
if [ -d /install/${bootp_ipa} ] ; then
        echo "Copying files from /install/${bootp_ipa} to /tmp/root:"
        cp -Rp /install/${bootp_ipa}/* /tmp/root
fi

This copies files from /install/default, /install/<hostname> and
/install/<ip-address> in sequence, so you can put everything in default, and
selectively override it.

-danny

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