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Commandline Monitoring For Slackers (ZP Developers)

Description

Zenpacks need to be monitored for debugging. Thats all you need to know!

Prerequisites

  • Zenoss ZenPack Developement
  • Python 2.7

We assume that you are familiar with ZenPack developement and Python coding. We further assume that you have a console/terminal/xterm open on the system running Zenoss. The CLI prompt is [zenoss:~]:

Monitoring Data Collection

You can use these examples for zencommand:

  • Just run it and see:

    • zencommand run -d test-oracle-1.zenoss.loc
    • zencommand run -d test-oracle-1.zenoss.loc -v 10

  • Send it to tee to save output file:

    • zencommand run -d test-oracle-1.zenoss.loc -v 10 |& tee /tmp/zenco.log

Device Modeling

You can use these examples for zenmodeler (notice the --now flag):

  • Just run it and see:

    • zenmodeler run --now -d test-oracle-1.zenoss.loc
    • zenmodeler run --now -d test-oracle-1.zenoss.loc -v 10

  • Send it to tee to save output file:

    • zenmodeler run --now -d test-oracle-1.zenoss.loc -v 10 |& tee /tmp/zenco.log

ZenDMD

ZenDMD can set and display real-time zenoss hierarchical properties. You really need to use it!

  • Here is an example
[zenoss:~]: zendmd
 Welcome to the Zenoss dmd command shell!
 'dmd' is bound to the DataRoot. 'zhelp()' to get a list of commands.
 Use TAB-TAB to see a list of zendmd related commands.
 Tab completion also works for objects -- hit tab after an object name and '.'
 (eg dmd. + tab-key).
 >>> device = find("test-oracle-1.zenoss.loc")
 >>> device.oracle_instances()[0]
 <Instance at /zport/dmd/Devices/Server/Linux/devices/test-oracle-1.zenoss.loc/oracle_instances/orainst-XE>
 >>>
 >>> device.oracle_instances()[0].instanceRole
 'PRIMARY_INSTANCE'
 >>>
 >>> device.Devices.setZenProperty("zWinPerfCycleSeconds",300)
 >>> a=device.getProperty("zWinPerfCycleSeconds")
 >>> a
 300
 >>> device.zOracleUser
 'zenoss'
 >>> exit()
[zenoss@cdev:~/bin]: