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A zope processes inspector

Project description

zps - A zope processes inspector

zps is addressed to the manager of zope and plone sites that want to get quickly get informations about the running instances of zope.

Installation

easy_install psutil
easy_install rt.zps

Thanks to @der_sven_ you can find up to date debian packages here:

Usage

zps basic usage is straightforward:

[user@localhost]$zps
CWD:      /home/user/plone1
User:     user
PID:      1234
Conf:     /home/user/plone1/parts/instance/etc/zope.conf
Address:  8081
Memory:   1.96%

CWD:      /home/user/plone2
User:     user
PID:      12345
Conf:     /home/user/plone2/parts/instance/etc/zope.conf
Address:  8082
Memory:   1.96%

The default action is to report, for each running instance of zope that it founds:

  • the Current Working Directory (CWD)
  • the id of the user who is running the process
  • the process PID
  • the zope configuration file used by the instance
  • the port (as calculated parsing the configuration file)
  • the memory usage

To obtain usage information for zps just type zps –help, you will get this:

[user@localhost]$zps
zps - report a snapshot of the current zope processes.

USAGE:
zps
zps --help
zps --pid 1111
zps --port 8080
zps --grep plone

As you can see zps can filter the results per zps or port, e.g., if calling zps returns the report about the two instances above, you will have the following:

[user@localhost]$zps --pid 1234
CWD:      /home/user/plone1
User:     user
PID:      1234
Conf:     /home/user/plone1/parts/instance/etc/zope.conf
Address:  8081
Memory:   1.96%

[user@localhost]$zps --port 8082
CWD:      /home/user/plone2
User:     user
PID:      12345
Conf:     /home/user/plone2/parts/instance/etc/zope.conf
Address:  8082
Memory:   1.96%

In the case no instance is found, you will have:

[user@localhost]$zps
No running zope instance found

TODO: filter output information It may happen that your server starts to be crowded. In that case the output of zps is quickly parsable. Two command line flags should then be introduced:

  • –show
  • –hide

TODO: colorize output It would be a nice feature to highlight with colors the memory usage. If the output is in the range:

  • 0%-5%: green
  • 0%-10%: yellow
  • 10%-20%: red
  • 20%-100%: blinking red

Examples

[user@localhost]$zps --hide CWD,User,Memory
PID:      1234
Conf:     /home/user/plone1/parts/instance/etc/zope.conf
Address:  8081

PID:      12345
Conf:     /home/user/plone2/parts/instance/etc/zope.conf
Address:  8082

[user@localhost]$zps --hide CWD,User,Memory
CWD:      /home/user/plone1
User:     user
Memory:   1.96%

CWD:      /home/user/plone2
User:     user
Memory:   1.96%

Changelog

0.9.6 (2014-03-20)

  • psutils 2 compatibility [alert]

0.9.5 (2014-02-14)

  • Python3 compatibility [alert]

0.9.4 (2012-10-29)

  • fixing a crash when zope.conf file is not found [alert]
  • handling help flags, fixes #1, fixes #2 [alert]
  • cosmetic fixes [alert]

0.9.3 (2012/02/10)

  • moved to github [ale-rt]
  • heavy refactoring [ale-rt]
  • added –grep flag [ale-rt]
  • fix address calculations [ale-rt]
  • sorting process list [ale-rt]
  • tests [ale-rt]

0.9.2 (2010/06/10)

  • Fixed documentation [keul]
  • Fixed computing addresses in the form of ip:port [alert]

0.9.1 (2010/06/10)

  • Fixed egg structure [fdelia]
  • pid option [alert, fdelia]
  • port option [alert, fdelia]
  • Refactoring [alert]
  • Documentation [alert]

0.9.0 (2010/05/05)

  • Initial release [alert]

Project details


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