topic Re: Script in Operating System - HP-UX

Script

Hunki — Mon, 11 Dec 2006 12:44:07 GMT

I was making a Shutdown/Startup script for JBOSS on solaris and while having it run as root I was getting an error of "is not an Identifier" while exporting stuff like JAVA_HOME; JBOSS_HOME. Once I removed them and put in the complete path instead of a relative one then everything worked fine

But my question is how can i export JAVA_HOME ; JBOSS_HOME in my script.

Re: Script

Sandman! — Mon, 11 Dec 2006 14:13:52 GMT

Put the line "set -a", on a line by itself, near the top of your script before any variable definition or precede every variable name with the keyword "export" like

export JAVA_HOME=/path_to/java/binaries

Re: Script

Peter Nikitka — Tue, 12 Dec 2006 04:04:54 GMT

Hi,

the SOlaris executable /usr/bin/sh is NOT the posix compliant shell - it is really the old Bourne Shell. So this syntax is invalid there:
export VAR=value

You have to use
VAR=value; export VAR
instead.

Using ksh or bash as interpreter will make the first construct valid.

mfG Peter

Re: Script

Hunki — Tue, 12 Dec 2006 11:19:47 GMT

I tried it with ksh but the i was getting the same error. ( "is not an Identifier" ).How will it work with ksh.

hunki

Re: Script

Peter Nikitka — Tue, 12 Dec 2006 11:54:37 GMT

Hi,

check first the call of the correct interpreting shell in the first line of your script. It should be
#!/usr/bin/ksh

Please send an example of the failing assignment to a variable as well!

mfG Peter

Re: Script

Hunki — Tue, 12 Dec 2006 12:00:36 GMT

I am using :

#!/bin/ksh

do I need to change it to :

#!/usr/bin/ksh

thanks,
hunki

Re: Script

Hunki — Tue, 12 Dec 2006 12:01:42 GMT

export JAVA_HOME=/usr/bin/java ...

Re: Script

Peter Nikitka — Tue, 12 Dec 2006 12:53:46 GMT

Hi,

you need not change this - Solaris has a compatibility link /bin -> /usr/bin
like HP-UX.

The solution is to change
export VAR=value
to
VAR=value; export VAR

Solaris will call your script at startup NOT via the interpreter in your file but with a hardcoded one NOT being able to parse your original statement.

mfG Peter

Re: Script

Sandman! — Tue, 12 Dec 2006 17:08:38 GMT

Can you attach your script so that it can be looked at?

Re: Script

Hunki — Tue, 12 Dec 2006 17:41:21 GMT

Okie here is the script ... the requirement has changed a little .

I use this script as :

jboss start
jboss stop

and I have 2 instances of jboss running here :

default & default2

I want the the script be modified so that I can specify individual instances of JBOSS and start or stop them like this :

jb start default
jb stop default

OR

jb start default2
jb stop default2

( default and default2 are mentioned in the script )

Can the script be modified to reflect this requirement while also keeping the startup /stop option open since its startup script. ( I mean $2 ( default etc ) shud be optional and shud not hamper while the jboss is restarted by the system after the reboot )

-----------------------

#!/bin/ksh
# File: jboss4.04.server
#
# Purpose: Start/Stop JBoss Application Server
#
# Parameter: start|stop|check
#
#
# Changes:
#

usage() {
echo "Usage: jboss start|stop" 1>&2
exit 1
}

#############main############

[ $# -ne 1 ] && usage

fct=$1

check_running(){
if [ `ps -u gtaq | grep java | grep -v grep | wc -l` -ne 0 ]; then
return 0
else
return 1
fi
}

### main ###
case "$fct" in
start)
check_running && echo "JBoss already running!" && exit 1
echo "Starting JBoss..."
su - gtaq -c "nohup /export/home/jack/jboss-4.0.4.GA/bin/run.sh -c default >/dev/null 2>/dev/null &"
su - gtaq -c "nohup /export/home/jack/jboss-4.0.4.GA/bin/run.sh -c default2_test >/dev/null 2>/dev/null &"
echo "Server startup may take a while - "
echo "check logfile /export/home/jack/jboss-4.0.4.GA/server/default/log/server.log for completion"
echo "check logfile /export/home/jack/jboss-4.0.4.GA/server/default2/log/server.log for completion"
;;
stop)
su - gtaq -c "/export/home/jack/jboss-4.0.4.GA/bin/shutdown.sh -S default"
su - gtaq -c "/export/home/jack/jboss-4.0.4.GA/bin/shutdown.sh -S -s jnp://localhost:1201"
;;
esac

Re: Script

Sandman! — Tue, 12 Dec 2006 18:48:42 GMT

>I want the the script be modified so that I can specify individual instances of >JBOSS and start or stop them like this :

>jb start default
>jb stop default

>OR

>jb start default2
>jb stop default2

Yes you can stop individual instances of the server by using a nested case statement for example:

case "$fct" in
start)
case $2 in
default)
echo "starting default jboss server"
;;
default2)
echo "starting default2 jboss server"
;;
"")
echo "starting all jboss servers..."
;;
*)
echo "invalid parameter...exiting"
exit
;;
esac
;;
stop)
case $2 in
default)
echo "stopping default jboss server"
;;
default2)
echo "stopping default2 jboss server"
;;
"")
echo "stopping all jboss servers..."
;;
*)
echo "invalid parameter...exiting"
exit
;;
esac
;;
esac

Re: Script

Hunki — Tue, 12 Dec 2006 18:57:58 GMT

Thanks for replying Sandman !

One more thing by putting in the nested case statements do I hamper the system's ability to start and stop jboss while a rebooting or shutting down the system because for the system there is not $2 here.
The $2 is for us while restarting JBOSS on the command line. Please correct me if I am wrong.

Thanks,
hunki

Re: Script

Sandman! — Tue, 12 Dec 2006 19:26:13 GMT

>One more thing by putting in the nested case statements do I hamper the >system's ability to start and stop jboss while a rebooting or shutting down the >system because for the system there is not $2 here.
>The $2 is for us while restarting JBOSS on the command line. Please correct >me if I am wrong.

It will be okay during a reboot since the code below relies on $2 being empty:

"")
echo "starting all jboss servers..."

The above code is nested within the start and stop cases. So when the run-level scripts are being executed and there is no $2 parameter on the command line, it will enter the case mentioned above and either start or stop all the jboss servers (assuming you have a start all or stop all jboss servers script).

~cheers

Re: Script

Sandman! — Tue, 12 Dec 2006 19:36:10 GMT

You need to tweak the code below otherwise it will error out if you need to start or stop a particular instance of the jboss server.

> [ $# -ne 1 ] && usage

The above statement will cause commands like:

# jboss stop default
Or
# jboss start default

to error out

~hope it helps

Re: Script

Hunki — Tue, 19 Dec 2006 10:59:40 GMT

Thanks Sandman , One more question...

I have two boxes on which I need to have this script and I want the same script to work on both boxes , how to achieve this within the case statement u earlier descirbed. Can u pls send me a layout of the case statements with the box names in it.

Thanks
hunki

Re: Script

Hunki — Tue, 19 Dec 2006 12:35:41 GMT

I found the way to nest the cases for each boxes.