Re: Automatically send traps by proc/exec/ without

Hi Dave,

Am 06.01.2006 um 12:10 Uhr haben Sie geschrieben:
> > When I use this row in my snmpd.conf, I got the segfault after 
> > a few minutes.
> > 
> > monitor -u pl-combots -o sysUpTime.0 -o hrSWRunName \
> > "high process Memory" hrSWRunPerfMem > 10
> 
> Have you created a user "pl-combots" ?

Oh no, I don't create any user;(

I use the net-snmp-config command:

net-snmp-config --create-snmpv3-user -ro -a pl-combots pl-combots

After calling net-snmp-config, I see in /var/lib/net-snmp/snmpd.conf
the new directive:

createUser pl-combots MD5 "pl-combots" DES

In /usr/share/snmp/snmpd.conf, there is a "rouser pl-combots
defined, but I need this directive in /root/perl/snmpd.conf too.

> The iquery callback mechanism only works with SNMPv3
> requests.  It's known not to work with community-based
> callbacks.  Now there's nothing in your config to
> indicate that you've set up SNMPv1 or SNMPv2c-style
> callbacks, but it's a little suspicious that the
> community strings mentioned here match the SNMPv3
> user that you specified above.

A callback is needed for automatically send traps(disman/event-mib)?


> > # DISMAN/event.mib
> > agentSecName public
> > iquerySecName public
> 
> You do *NOT* need both of these lines.
> They do exactly the same job - just choose one
> of them, and delete the other.   (That duplication
> shouldn't cause the agent to crash, but it's a
> possible source of confusion, if nothing else).
> I'd suggest that you try simplifying your config
> as much as possible.	 Try getting rid of all the
> DisMan-related stuff (including both *SecName entries
> defaultMonitors and linkUpDownNotifications), and
> work with *just* the following:
> 
>      rouser  pl-combots
>      monitor -u pl-combots "high process Memory" 
> hrSWRunPerfMem 10

>      trap2sink  10.17.1.124
> (plus the "createUser pl-combots" line)

Ok, I have create the user an removing some directives from
my conf:


<snmpd.conf>
# need for snmpwalk, etc
rocommunity pl-combots

# Need for sending traps to snmptrapd
trapcommunity pl-combots

proc xinetd 1 1
proc smbd 30 1
proc portmap 1 1

# User with net-snmp-config created, in 
# /var/lib/net-snmp/snmpd.conf
rouser pl-combots

monitor -u pl-combots -r 120 -o prNames -o prErrMessage "process
table" prErrorFlag != 0

trap2sink 10.17.1.124
</snmpd.conf>

I start snmptrapd:

snmptrapd -c /etc/snmptrapd.conf -m ALL -Lo -f

<snmptrapd.conf>
authCommunity log,execute,net pl-combots
traphandle default /root/perl/inform_handler.pl terminate
</snmptrapd.conf>

I start the snmpd:

snmpd -Ddisman:event -m ALL -c /root/perl/snmpd.conf -f -Lf
./snmpd.log 10.17.1.124

When the daemon was startet, I can see some traps in my
snmptrapd.log and I see some disman:event debug messages
like "disman:event:fire: Firing notification event".

After 2 minutes (monitor -r 120), I can't see any traps incoming!!!

In the snmpd.log I can the, that snmpd try the monitor:

disman:event:trigger:monitor: Running trigger (process table)
disman:event:delta: Bool comparison: (0 != 0) 0
disman:event:delta: Bool comparison: (0 != 0) 0
disman:event:delta: Bool comparison: (1 != 0) 1

But there is nothing fired;(


After starting the snmpd, I get this output:

<debug>
disman:event:init: init trigger container
disman:event:init: create trigger container (5d3dc0)
disman:event:init: init trigger container
disman:event:init: Trigger Table
disman:event:init: init trigger container
disman:event:init: Trigger Delta Table
disman:event:init: init trigger container
disman:event:init: Trigger Exist Table
disman:event:init: init trigger container
disman:event:init: Trigger Bool Table
disman:event:init: init trigger container
disman:event:init: Trigger Threshold Table
disman:event:init: init trigger container
disman:event:init: init event container
disman:event:init: create event container (5d9d50)
disman:event:table: Create event entry (_snmpd, _mteTriggerFired)
disman:event:table: Event entry created
disman:event:table: Create event entry (_snmpd, _mteTriggerRising)
disman:event:table: Event entry created
disman:event:table: Create event entry (_snmpd, _mteTriggerFalling)
disman:event:table: Event entry created
disman:event:table: Create event entry (_snmpd, _mteTriggerFailure)
disman:event:table: Event entry created
disman:event:table: Create event entry (_snmpd, _linkDown)
disman:event:table: Event entry created
disman:event:table: Create event entry (_snmpd, _linkUp)
disman:event:table: Event entry created
disman:event:init: init event container
disman:event:init: Event Table container (5d9d50)
disman:event:init: init event container
disman:event:init: Event Set Table container (5d9d50)
disman:event:init: init event container
disman:event:init: Event Notify Table container (5d9d50)
disman:event:init: init event container
disman:event:conf: Parsing disman monitor config (-u pl-combots -r 60
-o prNames -o prErrMessage "process table" prErrorFlag != 0)
disman:event:conf: _Bprocess table: Bool (prErrorFlag, 1, 0)
disman:event:table: Create trigger entry (snmpd.conf, process table)
disman:event:table: Trigger entry created
disman:event:trigger:monitor: Running trigger (process table)
disman:event:delta: Bool comparison: (0 != 0) 0
disman:event:delta: Bool comparison: (0 != 0) 0
disman:event:delta: Bool comparison: (1 != 0) 1
disman:event:trigger:fire: Firing boolean test:
UCD-SNMP-MIB::prErrorFlag.3 (startup)
disman:event:fire: Event fired (_snmpd, _mteTriggerFired)
disman:event:fire: Firing notification event
disman:event:fire: Adding event objects (first)
disman:event:fire: Adding trigger objects (general)
disman:event:fire: Adding trigger objects (specific)
disman:event:objects: Objects add (snmpd.conf, _Bprocess table)
disman:event:fire: Adding event objects (internal)
disman:event:conf: Storing mteTriggerTable config:
disman:event:conf:   done.
disman:event:conf: Storing mteEventTable config:
disman:event:conf:   done.
disman:event:conf: Storing mteObjectTable config:
disman:event:conf:   done.
NET-SNMP version 5.3
NET-SNMP version 5.3
disman:event:trigger:monitor: Running trigger (process table)
disman:event:delta: Bool comparison: (0 != 0) 0
disman:event:delta: Bool comparison: (0 != 0) 0
disman:event:delta: Bool comparison: (1 != 0) 1
</debug>

On my Laptop, I have SuSE 10 Prof. with net-snmp-5.2.2 installed(rpm
based).
There was fired traps after 2 Minutes (-r 120) and
without creating any user.

I have test net-snmp-5.3rc2 on my Gentoo Desktop, the same Problem,
none traps fired after starting the snmpd;(


Where is my mistake?


Many greetings && thanks

Andre
Mit freundlichen Grüssen

Andre Heine



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