Begin and Finish Script Unix Shell Variables For JumpStart

Today, we're going to finish up what we started in yesterday's and the previous day's posts detailing the customization of Solaris JumpStart using simple Unix shell scripting techniques.

Please, only go back there and read those if the specific topics are of interest to you. If you're just looking for a good collection of available scripting variables for Begin and Finish scripts, you'll thank me for saving you the time ;)

Both Begin and Finish scripts export a certain number of variables automatically. Following is a list of the ones I've discovered during the process of working with the program. The following sections are divided into CRASH (The environment you're left with if you crash to a restricted root shell at any point during the installation), BEGIN (The environment exported during the execution of your begin script) and FINISH (The environment exported during the execution of your finish script). I've denoted the more useful variables (insofar as scripting is concerned) by indenting them slightly more.

Note that all of these variables were found by terminating the execution of JumpStart at the given point and dumping the output of the commands "set" and "env" - I filtered out the variables that were off-topic. Please note, also, that these variables exclude the JASS and SST environment variables, as my aim here is to provide a listing of all available variables that can be used in Begin and Finish scripts no matter what your situation. You can use these whether or not you decide to avail yourself of the additional Solaris JumpStart custom packages Sun has put together over the years (Basically, to make it so you don't have to do any security hardening on your own. I'm not saying this is a bad thing; only that you may know what you want to control and not require that "convenience").

NOTE: Surprisingly enough, there is no SI_INSTALL_DIR or SI_INST_DIR variable provided to indicate your installation directory (e.g., /export/install).

Hopefully, having this list of Solaris Unix variables will prove useful to you at some point during your JumpStart scripting endeavors!

Good Luck and Best Wishes,

CRASH:

    HOME=/tmp/root 
PATH=/sbin:/usr/sbin/install.d:/usr/sbin:/usr/bin 
PLATFORM=sparc
SHELL=/sbin/sh
TEXTDOMAIN=SUNW_INSTALL_SCRIPTS
TZ=PST8PDT
_DVFS_RECONFIG=YES

BEGIN:

CHECK_INPUT=/tmp/install_config/rules.ok
    HOME=/tmp/root
LANG=en
LC_COLLATE=en_US
LC_CTYPE=en_US
LC_MESSAGES=C
LC_MONETARY=en_US
LC_NUMERIC=en_US
LC_TIME=en_US 
    PATH=/sbin:/usr/sbin/install.d:/usr/sbin:/usr/bin
PLATFORM=sparc
    SHELL=/sbin/sh
    SI_BEGIN=jclient_begin
    SI_CLASS=jclient_class 
    SI_CONFIG_DIR=/tmp/install_config (This is the default, but you should have set it to /export/install with the add_install_client command) 
SI_CONFIG_FILE=/tmp/install_config/rules.ok 
SI_CONFIG_PROG=rules.ok
    SI_FINISH=jclient_finish
    SI_HOSTNAME=jclient 
SI_INSTALL_APP=jumpstart 
    SI_PROFILE=/tmp/install_config/jclient_class 
    SI_SYS_STATE=/a/etc/.sysIDtool.state TERM=vt100
TEXTDOMAIN=SUNW_INSTALL_SCRIPTS
TZ=US/Central
_DVFS_RECONFIG=YES

FINISH:

CHECK_INPUT=/tmp/install_config/rules.ok
    HOME=/tmp/root
LANG= 
LC_COLLATE=en_US
LC_CTYPE=en_US
LC_MESSAGES=C
LC_MONETARY=en_US
LC_NUMERIC=en_US
LC_TIME=en_US 
    PATH=/sbin:/usr/sbin/install.d:/usr/sbin:/usr/bin
PLATFORM=sparc
    SHELL=/sbin/sh
    SI_BEGIN=jclient_begin
    SI_CLASS=jclient_class 
    SI_CONFIG_DIR=/tmp/install_config 
SI_CONFIG_FILE=/tmp/install_config/rules.ok 
SI_CONFIG_PROG=rules.ok
    SI_FINISH=jclient_finish
    SI_HOSTNAME=jclient 
SI_INSTALL_APP=jumpstart 
    SI_PROFILE=/tmp/install_config/jclient_class 
    SI_SYS_STATE=/a/etc/.sysIDtool.state
TERM=vt100
TEXTDOMAIN=SUNW_INSTALL_SCRIPTS
TZ=US/Central
_DVFS_RECONFIG=YES

, Mike

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