[hobbit] logic dependencies and combined to alerts

Whilding, Craig Craig_Whilding at mentor.com
Fri Jan 13 14:02:14 CET 2006


This is an option you can add to switches in bb-hosts to do what you
want. If a switch fails, all those below it will go yellow instead of
red so you could just alert on red tests and so only get the SPF alert
you want. 
(I use this here).


-----Original Message-----
From: brandste at hebis.de [mailto:brandste at hebis.de] 
Sent: 13 January 2006 12:52
To: hobbit at hswn.dk
Cc: brandste at hebis.de
Subject: [hobbit] logic dependencies and combined to alerts

Hi all,

maybe a stupid question answerd in the mailinglist many times...
(but i was not able to find it in the archive or interpret
the man)

As a new convert from bb to hobbit, first Congrats! It's
far less resource consuming then the former.

We mainly use the tool for network observation, so the conn is
our friend.
We have a couple of network-devices located on different
campi around our location. Each of the campi has a single
point of failure (SPF) at the entry. 
There is only one hobbit (former bb) working.

What i would like to do is, setting up alerts and colorchanges
depending of the state of the SPF.


  SPF  -  Switch1
       -  Switch2     - Switch 2.1
                      - Switch 2.2    - Switch 2.2.1
       -  Switch3

If SPF fails i do not need to get messages from all the
Switches behind.
This i could handle with the tag PAGE in the alerts-cfg.

Using it that way, (if i understood it) the "NOC" receives 
one mail per hour if the state changes from location-1.
Here i have no idea (and not tested) whether this includes Mails
from all hosts or not.

At this stage i only need a message concerning the incident involving
If switch1 or switch3 fail, obviously a mail concerning this incident.
But no mails from connected "sub"-switches...

For receiving a message on a single incident
             MAIL "NOC" SERVICE=conn REPEAT=1h
in the alerts-cfg, generates a mail independent from the former
or other settings?

Has anybody found a solution for message dependencies like qouted?


Next would be the color change.

Concerning this i found the keyword "depends", but no
sign that it will work in combination with the conn test....  foo #
depends=(testA:host1/test1,host2/test2),(testB:host3/test3),[...] SPF # Switch1 # depends(conn:SPF/conn) Switch2 # depends(conn:SPF/conn) Switch2.1 # depends(conn:SPF/conn,conn:Switch2/conn) Switch2.2 # depends(conn:SPF/conn,conn:Switch2/conn) Switch2.2.1 #
depends(conn:SPF/conn,conn:Switch2/conn,Switch2.2/conn) Switch3 # depends(conn:SPF/conn)

would this be the correct usage?
So if SPF fails, all page behind should be "clear?".

Is this possible with hobbit, or a future release?

Thanks in advance.


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