Re: Inline action fails in ruleset

2000-11-17 02:58:00
Subject: Re: Inline action fails in ruleset
From: "Gruner Mike" <mike.gruner AT rfv.sfa DOT se>
To: nv-l AT lists.tivoli DOT com
Date: 17 Nov 2000 09:58:00 +0200
We suspect the inline action script which we had running in 2 different event
workspaces overwrote in the /usr/OV/tmp/@@uactions. Had different users too +
several workspaces running the inline action at the same time. Now we try
to reduce the workspaces that are running the inline action. We found out
that the syntax error problem wasn't in our script but in the
which looked very strange at times ; overwritten or not complete information in

By the way the NVC variable is set to funny values in the @@uactions.
Our community is : xxxxxx  and strings are appended to it in  the @@uactions.

Mike Gruner

>The inline action node builds a script called /usr/OV/tmp/@@uactions in
>which it executes you script or command, so yes, the syntax error message
>indicates a script failure that you should investigate.  I don't see that
>the wait interval has anything to do with the failure but that is something
>you will have to decide.
>Increasing the wait when the script executes correctly will have no effect.
>But when it doesn't, how long do you want to hold up event processing
>waiting for it to finish?  I would be looking into the failure and also how
>many on these inline actions you have running at one time.
>As for filtering, you could have two event attribute nodes in parallel if
>you want , something like this:
>    rs_node 1 connects to event attribute1 which connects to rs_node 2
>     rs_node 1 connects to event attribute2 which connects to rs_node2
>So if event attribute 1 looks for "BRIO/1" while event attribute 2 looks
>for "BRIO/4", those which fail event attribute 1 will pass attribute 2 and
>vice-vera, and those which are neither of these will fail.    I don't think
>it will help in this case but the Event Attribute node also lets you
>specify a word in a variable using a dotted decimal type notation.  So for
>example, the second word of the third trap variable may be specified as
>James Shanks
>Team Leader, Level 3 Support
> Tivoli NetView for UNIX and NT

"Gruner Mike" <mike.gruner AT rfv.sfa DOT se> on 11/16/2000 07:28:00 AM

Please respond to IBM NetView Discussion <nv-l AT tkg DOT com>

To:   nv-l AT tkg DOT com
cc:    (bcc: James Shanks/Tivoli Systems)
Subject:  [NV-L] Inline action fails in ruleset

have an inline action which is filtering out Cisco messages containing
FMT and TX strings on Interface Down / Interface Up .
The problem is that sometimes that those messages get passed  by the inline
action anyway. The inline action takes about 0.6 seconds to execute.
We have a wait interval of 3 seconds in the inline action.We get the
error entries in nvcorrd.blog :

2000/11/16 12:01:06    UserExitDnode.C[131] :   Inline command
'/usr/OV/RFV/scripts/stop_bri.sh' failed. error data:
/usr/OV/tmp/@@uactions[12]: 0403-057 Syntax error at line 26 : `'' is not

Now some questions :

Is the entry in the nvcorrd.blog related to the fact that some messages are
passed by
the inline action when they shouldn't  ?

Should we increase the wait interval from 3 seconds to 3 + ?

Can this filtering be done some other way ? We tried the Event Attribute
decision Node but since our argument strings vary
e g BRIO/1 or BRIO/4 and so on we can't have EXACT match.

Awaiting  eagerly suggestions

Mike Gruner

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