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https://github.com/redturtle/rt.zps

RedTurtle Zope Process Inspector
https://github.com/redturtle/rt.zps

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RedTurtle Zope Process Inspector

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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:

- http://www.apt.leftxs.org/

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%