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apache-manager-2.2
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مشاهده بیشترتوضیحات
Monitor and control Apache web server workers from Python
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | apache-manager-2.2 |
| نام | apache-manager |
| نسخه کتابخانه | 2.2 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Peter Odding |
| ایمیل نویسنده | peter@peterodding.com |
| آدرس صفحه اصلی | https://apache-manager.readthedocs.io |
| آدرس اینترنتی | https://pypi.org/project/apache-manager/ |
| مجوز | MIT |
apache-manager: Monitor and control Apache web server workers from Python
=========================================================================
.. image:: https://travis-ci.org/xolox/python-apache-manager.svg?branch=master
:target: https://travis-ci.org/xolox/python-apache-manager
.. image:: https://coveralls.io/repos/xolox/python-apache-manager/badge.svg?branch=master
:target: https://coveralls.io/r/xolox/python-apache-manager?branch=master
The `apache-manager` package helps to collect monitoring metrics_ about the
`Apache web server`_ and kill worker processes that exceed resource thresholds.
It works by parsing the plain text and HTML status pages generated by Apache's
mod_status_ module. It's currently tested on cPython 2.7, 3.5, 3.6, 3.7, 3.8
and PyPy. It was developed for and expects to be run on Linux systems.
.. contents::
:local:
Status
------
On the one hand the `apache-manager` package was developed based on quite a few
years of experience interfacing with (and monitoring) the `Apache web server`_
using the interfaces provided by Apache itself (mod_status_) as well as the
Linux operating system interfaces (``/proc``).
On the other hand the Python package itself is quite new: it was developed
between June and September of 2015.
Then again, I'm religious about test coverage, so there's that :-).
Despite the complete package being covered by automated tests I'm not (yet)
committing to backwards compatibility because I first want to run this package
in a production (like) environment for some time, to get a feeling for how
robust it is. I also need to evaluate how easy it is to integrate the current
solution into monitoring systems (that was a goal, but I don't always achieve
my goals on the first attempt :-).
Installation
------------
The `apache-manager` package is available on PyPI_ which means installation
should be as simple as:
.. code-block:: console
$ pip install apache-manager
There's actually a multitude of ways to install Python packages (e.g. the `per
user site-packages directory`_, `virtual environments`_ or just installing
system wide) and I have no intention of getting into that discussion here, so
if this intimidates you then read up on your options before returning to these
instructions ;-).
Usage
-----
There are two ways to use the `apache-manager` package: As the command line
program ``apache-manager`` and as a Python API. For details about the Python
API please refer to the API documentation available on `Read the Docs`_. The
command line interface is described below.
Command line
~~~~~~~~~~~~
.. A DRY solution to avoid duplication of the `apache-manager --help' text:
..
.. [[[cog
.. from humanfriendly.usage import inject_usage
.. inject_usage('apache_manager.cli')
.. ]]]
**Usage:** `apache-manager [OPTIONS]`
Command line interface to monitor the Apache web server and kill worker
processes that exceed resource thresholds. When no options are given the
server metrics and memory usage of workers are printed to the terminal.
**Supported options:**
.. csv-table::
:header: Option, Description
:widths: 30, 70
"``-c``, ``--collect-metrics``","Collect monitoring metrics and store them in a text file to be read
by a monitoring system like Zabbix. See also the ``--data-file`` option."
"``-k``, ``--kill-workers``","Kill Apache workers exceeding the thresholds given by ``--max-memory-active``,
``--max-memory-idle`` and ``--max-time``. These thresholds can also be defined in
configuration files, please refer to the online documentation for details.
See also the ``--dry-run`` option."
"``-w``, ``--watch``","This option causes the Apache manager to redraw the collected metrics once
every 10 seconds in a ""top"" like interface until interrupted using ""q"" (for
quite) or Control-C."
"``-a``, ``--max-memory-active=SIZE``","Kill active Apache workers that are using more memory than specified by the
``SIZE`` argument. ``SIZE`` is expected to be a human readable memory size like 50K
(50 kilobytes), 42M (42 megabytes), 2G (2 gigabytes), etc."
"``-i``, ``--max-memory-idle=SIZE``","Kill Apache workers that are using more memory than specified by the ``SIZE``
argument (see ``--max-memory-active`` for acceptable values of ``SIZE``)."
"``-t``, ``--max-ss``, ``--max-time=TIMESPAN``","Kill Apache workers whose ""time since the beginning of the most recent
request"" is greater than specified by the ``TIMESPAN`` argument. ``TIMESPAN`` is
expected to be a human readable timespan like 2s (2 seconds), 3m (3
minutes), 5h (5 hours), 2d (2 days), etc."
"``-T``, ``--hanging-worker-threshold=TIMESPAN``","Change the number of seconds before an active worker is considered hanging
to ``TIMESPAN`` (see ``--max-time`` for acceptable values of ``TIMESPAN``)."
"``-f``, ``--data-file=PATH``","Change the pathname of the file where the Apache manager stores monitoring
metrics after every run. Defaults to ""/tmp/apache-manager.txt""."
"``-z``, ``--zabbix-discovery``","Generate a JSON fragment that's compatible with the low-level discovery
support in the Zabbix monitoring system. With the right template in place
this enables the Zabbix server to discover the names of the WSGI process
groups that are active on any given server. This makes it possible to
collect and analyze the memory usage of specific WSGI process groups."
"``-n``, ``--dry-run``, ``--simulate``",Don't actually kill any Apache workers.
"``-v``, ``--verbose``",Increase verbosity (can be repeated).
"``-q``, ``--quiet``",Decrease verbosity (can be repeated).
"``-h``, ``--help``",Show this message and exit.
.. [[[end]]]
Contact
-------
The latest version of `apache-manager` is available on PyPI_ and GitHub_. The
documentation is hosted on `Read the Docs`_ and includes a changelog_. For bug
reports please create an issue on GitHub_. If you have questions, suggestions,
etc. feel free to send me an e-mail at `peter@peterodding.com`_.
License
-------
This software is licensed under the `MIT license`_.
© 2020 Peter Odding.
.. External references:
.. _Apache web server: https://en.wikipedia.org/wiki/Apache_HTTP_Server
.. _changelog: https://apache-manager.readthedocs.io/en/latest/changelog.html
.. _documentation: https://apache-manager.readthedocs.io
.. _GitHub: https://github.com/xolox/python-apache-manager
.. _metrics: https://en.wikipedia.org/wiki/System_monitoring
.. _MIT license: http://en.wikipedia.org/wiki/MIT_License
.. _mod_status: http://httpd.apache.org/docs/current/mod/mod_status.html
.. _per user site-packages directory: https://www.python.org/dev/peps/pep-0370/
.. _peter@peterodding.com: peter@peterodding.com
.. _PyPI: https://pypi.python.org/pypi/apache-manager
.. _Read the Docs: https://apache-manager.readthedocs.io
.. _virtual environments: http://docs.python-guide.org/en/latest/dev/virtualenvs/
نیازمندی
| مقدار | نام |
|---|---|
| >=4.3.2 | beautifulsoup4 |
| >=5.2 | coloredlogs |
| >=7.1.1 | humanfriendly |
| >=0.12 | proc |
| >=2.1 | property-manager |
| >=1.9.0 | six |
| >=5.0 | update-dotdee |
| >=1.7 | verboselogs |
نحوه نصب
نصب پکیج whl apache-manager-2.2:
pip install apache-manager-2.2.whl
نصب پکیج tar.gz apache-manager-2.2:
pip install apache-manager-2.2.tar.gz