I'm attempting to add a script to be called from SNMPd, but I'm looking
for some additional information. I've written a script that currently
outputs data as follows:
[EMAIL PROTECTED] ~/bin $ ./var-snmp.sh agetty
app1:agetty
pid: 7182
cpu: 0.0
mem: 0.0
totalmem: 16314328
app2:agetty
pid: 7184
cpu: 0.0
mem: 0.0
totalmem: 16314328
app3:agetty
pid: 7185
cpu: 0.0
mem: 0.0
<--- truncated --->
I can modify the script as needed, but thats what I've got thus far. I
run the script, and pass an argument on which process name I want
information back for. The argument can be hard-coded, but for this
example I'll leave it in place.
I've modified snmpd.conf to show the following:
extend .1.3.6.1.4.1.2021.55 showstat /bin/sh /tmp/var-snmp.sh agetty
and when I walk it, I get the following output:
UCD-SNMP-MIB::ucdavis.55.1.0 = INTEGER: 1
UCD-SNMP-MIB::ucdavis.55.2.1.2.8.115.104.111.119.115.116.97.116 =
STRING: "/bin/sh"
UCD-SNMP-MIB::ucdavis.55.2.1.3.8.115.104.111.119.115.116.97.116 =
STRING: "/tmp/var-cmd.sh agetty"
UCD-SNMP-MIB::ucdavis.55.2.1.4.8.115.104.111.119.115.116.97.116 = ""
UCD-SNMP-MIB::ucdavis.55.2.1.5.8.115.104.111.119.115.116.97.116 = INTEGER: 5
UCD-SNMP-MIB::ucdavis.55.2.1.6.8.115.104.111.119.115.116.97.116 = INTEGER: 1
UCD-SNMP-MIB::ucdavis.55.2.1.7.8.115.104.111.119.115.116.97.116 = INTEGER: 1
UCD-SNMP-MIB::ucdavis.55.2.1.20.8.115.104.111.119.115.116.97.116 =
INTEGER: 4
UCD-SNMP-MIB::ucdavis.55.2.1.21.8.115.104.111.119.115.116.97.116 =
INTEGER: 1
UCD-SNMP-MIB::ucdavis.55.3.1.1.8.115.104.111.119.115.116.97.116 =
STRING: "app1:agetty"
UCD-SNMP-MIB::ucdavis.55.3.1.2.8.115.104.111.119.115.116.97.116 =
STRING: "app1:agetty
pid: 7182
cpu: 0.0
mem: 0.0
totalmem: 16314328
app2:agetty
pid: 7184
cpu: 0.0
mem: 0.0
totalmem: 16314328
UCD-SNMP-MIB::ucdavis.55.3.1.3.8.115.104.111.119.115.116.97.116 =
INTEGER: 30
UCD-SNMP-MIB::ucdavis.55.3.1.4.8.115.104.111.119.115.116.97.116 = INTEGER: 0
UCD-SNMP-MIB::ucdavis.55.4.1.2.8.115.104.111.119.115.116.97.116.1 =
STRING: "app1:agetty"
UCD-SNMP-MIB::ucdavis.55.4.1.2.8.115.104.111.119.115.116.97.116.2 =
STRING: "pid: 7182"
UCD-SNMP-MIB::ucdavis.55.4.1.2.8.115.104.111.119.115.116.97.116.3 =
STRING: "cpu: 0.0"
UCD-SNMP-MIB::ucdavis.55.4.1.2.8.115.104.111.119.115.116.97.116.4 =
STRING: "mem: 0.0"
UCD-SNMP-MIB::ucdavis.55.4.1.2.8.115.104.111.119.115.116.97.116.5 =
STRING: "totalmem: 16314328"
UCD-SNMP-MIB::ucdavis.55.4.1.2.8.115.104.111.119.115.116.97.116.6 =
STRING: "app2:agetty"
UCD-SNMP-MIB::ucdavis.55.4.1.2.8.115.104.111.119.115.116.97.116.7 =
STRING: "pid: 7184"
UCD-SNMP-MIB::ucdavis.55.4.1.2.8.115.104.111.119.115.116.97.116.8 =
STRING: "cpu: 0.0"
UCD-SNMP-MIB::ucdavis.55.4.1.2.8.115.104.111.119.115.116.97.116.9 =
STRING: "mem: 0.0"
UCD-SNMP-MIB::ucdavis.55.4.1.2.8.115.104.111.119.115.116.97.116.10 =
STRING: "totalmem: 16314328"
<---truncated--->
A couple of things.
1. I know I need to if this is the best way to provide output, and
whether or not I should include the individual field name within
the result (ie cpu: 0.0 or just 0.0 ).
2. UCD-SNMP-MIB::ucdavis.55.3.1.3.8.115.104.111.119.115.116.97.116 =
INTEGER: 30 -- I assume this means I have 30 lines to output. Is
there a way to provide either an index, or ??? , to tell an end
user that the 5 lines should be grouped to give one full data set.
* Kinda like eth0.In and eth0.Out
3. Once I get this part completed, what is the best way to build an
MIB for release so that others could use this. This is sample
data, but the end script would be more useful to more people than
myself.
some info:
vm3 tmp # snmpwalk --version
NET-SNMP version: 5.4.1
Thanks,
joey
--
Joey Officer
Systems Administrator
iStream Imaging
262-432-1536
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