SUMMARY: jumpstart configuration files question

From: Nicole Skyrca (nskyrca@appliedtheory.com)
Date: Thu Aug 03 2000 - 08:12:59 CDT

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Hi,
I got a several responses to my question. Some of the
suggestions were:

1) Check out the code at ftp.wins.uva.nl:/pub/solaris/auto-install, which
could be used for table driven install including sharing rules and
scripts files between different Solaris versions.

2) Have one script that checks the OS level and sets an OS variable. Then
   you could use this variable in your other scripts to install
   the correct patches, packages, etc.

   For instance:
   Check the OS level:
   ARCH=`uname -r`
   if [ $ARCH = 5.7 ]; then
        OSLEVEL=SunOS_5.7
   elif [ $ARCH = 5.6 ]; then
        OSLEVEL=SunOS_5.6
   else
        echo "Can't determine OS Level, exiting"
        exit 1
   fi

   Then use OSLEVEL variable in a script like this example:
   mkdir /a/patches
   mount patchserver:/patches/$OSLEVEL /a/patches
   cd /a/patches
   for i in `cat patch_order`
   do
        patchadd ...
   done

   Or, use an "if" statement in a single script that will do different
   things for different OS versions.

3) Continue to maintain two separate jumpstart directories, one for
   each OS. Make hard links between all of the finish scripts
   that are identical.

4) Identify the path to the begin/finish scripts in the rules file.
   For instance:
   any - <direcotry to begin>/begin_script = <directory to finish>/finish_script

   People specified that the path had to be in the same filesystem
   as the rules file. This is what I suspected.

5) Try using the begin/finish scripts to call scripts in other locations.

6) Make a subdirectory called finish for
   the finish scripts. You could symlink one of the directories to the
   other one, as long as it's exportable. Or link them both to
   /jumpstart/finish

I have been trying out option #2. I've mave one rules file which will
call a begin/finish script. Here's an example line:
model SUNW,Ultra-4 && \
disksize c0t0d0 8000-9500 BEGIN/begin_9g = DRIVERS
/finish_driver

Then, in the same filesystem where the rules file is, I made BEGIN,
FINISH, and DRIVERS directories.
BEGIN - holds my begin scripts.
FINISH - holds all of the finish scripts for both versions (I've named
          the OS specific scripts to be filename_26 or filename_7). The
DRIVERS - holds driver scripts that will call the finish scripts. I
           added the code from option #2 to check for and set an OS version.
           I then use an "if" statement in the driver script to run the
           correct finish scripts. Once the OS specific scripts are run,
           the driver scripts then run all of the non OS specific scripts.

As far as my custom configuration files are concerned (ie aliases, resolv.conf,
.cshrc etc.) I made one CONFIG directory that contains all of them.
I used to have two separate copies for each OS in different directories.
But, at this point I cannot think of any differences I'll have with these
files between OS versions, so I'll keep them in one directory. I hope
I don't run into problems with this later on.

I've done a few tests so far and it seems to be working ok. Hopefully
it will be ok for full production service.

Thanks again to the following people for your help and suggestions:
Casper Dik, Joe Muldoon, Lawrence J Salacup, Ken Nelson, Richard Cove,
Willi Burmeister, Bryan Moore, Arthur Darren Dunham, and Atmane

Nicole Skyrca
AppliedTheory Communications Inc. Phone: 315-453-2912 x5861
100 Elwood Davis Road Fax: 315-453-4594
Syracuse, New York 13212

----- Forwarded Message

Hello,

I have a Solaris 2.6 machine which acts as a jumpstart
install server for Solaris 2.6 and Solaris 7. I have
all of the packages and patches and a couple of config
files (like aliases, ntp.conf etc) in a directory
called /jumpstart/PACKAGE. I have two other directories,
/jumpstart/conf-2.6 and /jumpstart/conf-7, that hold
the custom jumpstart begin scripts, finish scripts and
rules files.

I'm finding that most of the begin and finish scripts
for both OS versions are identical (except for
the OS version of patches/packages I install). So, any changes made
in one place must be made in the other. Unless I'm
misunderstanding something,I thought that the begin/finish
scripts had to be in the same directory as the rules file.

Has anyone else run into this problem? If so, do you have
suggestions on how I could get around it?

Thanks in advance for your help!

Nicole Skyrca
AppliedTheory Corporation

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