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Creating a New Rulebase

Creation of the database directory structure Adding  Rulesets to Rulebase Adding classes to the rulebase Removing legacy components  

Creation of the database directory structure

A new TEC rulebase can be located in any directory. It's stupid to put it deep in the maze of Tivoli hierarchy. To create a rule base one need to use the command:

wrb -cprb -path /rb/dev/myrb myrb

You will get the following directory structure created:

drwxr-xr-x 2 root root 1024 May 17 2005 TEC_CLASSES/
drwxr-xr-x 3 root root 1536 May 17 2005 TEC_RULES/
drwxr-xr-x 3 root root 512 May 5 2005 TEC_TEMPLATES/

In TEC_RULES directory you will have the following files:

-rw-r--r--   1 root     root          25 May  3 11:38 .rule_builder.pro
-rw-r--r--   1 root     other          0 May  3 11:38 rule_packs
-rw-r--r--   1 root     root           0 May  3 11:38 rule_sets
-rw-r--r--   1 root     other          0 May  3 11:38 rule_sets_EventServer
-rwxr-xr-x   1 root     root         725 Aug 11  2003 tec_forward.conf*

Now you need to remove legacy components:

cd /rb/myrb

rm -fr .rbtargets

cd TEC_RULES

rm rule_sets_EventServer*

The created rulebase is empty: it does not contain any rulesets of BAROC files. Now you need to import default rulesets and BAROC files. 

Adding  Rulesets to Rulebase

The following rulesets are supplied by IBM and constitute a minimum that needs to be imported into any new rule base. They are stored in the default_rb directory ( $BINDIR/TME/TEC/default_rb  or  /opt/tivoli/TMF/bin/solaris2/TME/TEC/default_rb on Solaris). The directory contains quite a lot of files:

cleanup.rls               event_filtering.rls       notify.rls
cleanup.rls.pro           event_thresholds.rls      ov_default.rls
correlation.rls           forwarding.rls            rule_sets
db_cleanup.rls            heartbeat.rls             rule_sets_EventServer
dependency.rls            heartbeat.rls.pro         solaris2
dependency.rls.pro        im.rls                    tec_forward.conf
ebusiness.rls             maintenance_mode.rls      tecad_nv390fwd.rls
ebusiness.rls.pro         maintenance_mode.rls.pro  tecad_nv390msg.rls
escalate.rls              netview.rls               tecad_snaevent.rls
event_activity.rls        netview.rls.pro           troubleticket.rls

The minimum set should include only five rulesets:

  1. tec_server.rls: The rule set for processing events at the Tivoli Enterprise Console event server. These rules handle events generated by the Tivoli Enterprise Console event server
  2. dependency.rls
  3. heartbeat.rls
  4. cleanup.rls
  5. maintenance_mode.rls

To import the rulesets into the rule base you need to use the command wrb -imprbrule, for example:

wrb -imprbrule $BINDIR/TME/TEC/default_rb/TEC_RULES/tec_server.rls myrb

Note: You can import the whole generic (the Default ) rulebase   but this imports a lot of junk, don't do it.

wrb -cprb -rulesets -overwrite Default myrb

 

Adding classes to the rulebase

Default rulebase contains a bunch of  BAROC classes:

DB2Agents.baroc                  itmwas_dm_events.baroc
DB2CpuUtilization.baroc          netview.baroc
DB2DatabaseStatus.baroc          root.baroc
DB2HostThroughput.baroc          sem_events.baroc
DB2InstanceStatus.baroc          tec.baroc
DB2_Event.baroc                  tecad_hpov.baroc
Tmw2k.baroc                      tecad_logfile.baroc
WebSphere_MQ_Channel.baroc       tecad_nt.baroc
WebSphere_MQ_Queue.baroc         tecad_nv390msg.baroc
WebSphere_MQ_QueueManager.baroc  tecad_nv6k.baroc
as400msg.baroc                   tecad_ov.baroc
dependency.baroc                 tecad_snaevent.baroc
director.baroc                   tecad_snmp.baroc
ebusiness.baroc                  tecadnw4.baroc
hb_events.baroc                  tecados2.baroc
ibm_director.baroc               troubleticket.baroc

The minimum set of classes that you need to load is:

  1. dependency.baroc
  2. hb_events.baroc
  3. root.baroc
  4. tec.baroc

The root.baroc and tec.baroc files are imported automatically when you create a rule base.

You need to use wrb -imprbclass to do that:

 wrb -imprbclass $BINDIR/TME/TEC/default_rb/TEC_CLASSES/dependency.baroc myrb

Note: You can import the whole generic (the Default ) rulebase  this imports a lot of jredundant rulesets (junk), so this is not a recommeded way to do this unless you have no other.

wrb -cprb -rulesets -overwrite Default myrb

Copying on old rulebase

The easiest way to populate newly created rulebase is to copy old rulebase into new

wrb -cprb -overwrite ntiv ntiru

You can also copy separately rulesets and BAROC classes using options -classes of wrb -cprb command.

Removing legacy components

After creation of a rulebase you need to remove legacy components that are remnants of  AIM  -- Availability Intermediate Manager -- discontinued product that was replaced with gateway based Zurich Correlation engine (Java application that is driven by XML tables).

cd /rb/myrules

rm -fr .rbtargets

cd TEC_RULES

rm rule_sets_EventServer*

After you remove those the system will not recreate them. See  http://www.tivoli-ug.org/newsletter/Tivoli_Advisor-Issue3.pdf

 

Creation

wrb -crtrb -path /rb/myrule myrules

To check:

wrb -lsrb -path

wrb -lscurrb   -- displays the current database

Do not modify the default rule base. It should serve as a known good rule base.

The command wrb -lscurrb reports the name of the current working rule base name. Tivoli provides a default rule base called Default.

An existing rule base, such as Default, can be copied into the new rule base as a starting point. Only one rule base is active at any given time.  The import procedure copies the BAROC file into the TEC_CLASSES subdirectory and modifies the .load_classes file. The order in which the classes are loaded must be controlled because superclasses must be defined before subclasses because of multiple inheritance.

Whenever changes are made to a rule base, the rule base must be recompiled to make the modifications available when the rule base is loaded.


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Last modified: March 12, 2019