On Mar 12, 2008, at 11:49 PM, snarkout wrote:
I have been banging my head against this for over two days, and I
assume there *must* be an easy way to do this. I simply want to
have notifications include the ifAlias from a cisco device's
interface along with it's ifDescr. In other words, I have hundreds
of ports on dozens of routers and switches, and "Big_Router
Serial2/0/1:0 snmp_LinkDown" isn't anywhere as useful as "Big_Router
Serial2/0/1:0 Eddy's Fast Cars is down." While this is mostly an
issue because cisco decided that including useful info in their
traps wasn't worthwhile, it's also an issue because I cannot find an
easy way to do this with Zenoss.
I've looked at scripting this as well as using event transforms and
have yet to get what I need. Zenoss obviously already understands
that there is an ifAlias tied to each interface - this is the
default behavior when modeling - so how can I use getattr or similar
to learn this info?
Worst case scenario, is there a way to assign a variable the value
of an snmpget via transforms or rules in the even classes? I've
tried braindead things like evt.component = `snmpget -vxxx -cxxx
ipAddress.ifIndex` and needless to say that didn't work either.
Try using the following (or something like it) in the transform for
the linkUp and linkDown event mapping transforms. Zenoss should
already know the description of your interfaces. So we'll just look it
up.
index = getattr(evt, 'ifIndex', 0)
descr = getattr(evt, 'ifDescr', 'Unknown Interface')
evt.component = descr
if device:
description = ''
for iface in device.os.interfaces():
if index and iface.ifindex == index:
descr = iface.description
elif descr and iface.name == descr:
descr = iface.description
evt.summary = 'Link down on %s' % (descr)
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