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netwell

Checker to determine if all is well

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Readme

===================

Welcome to Netwell!

.. image:: https://badge.fury.io/py/netwell.svg :target: http://badge.fury.io/py/netwell

.. image:: https://travis-ci.org/pennersr/netwell.svg :target: http://travis-ci.org/pennersr/netwell

.. image:: https://img.shields.io/pypi/v/netwell.svg :target: https://pypi.python.org/pypi/netwell

.. image:: https://pennersr.github.io/img/bitcoin-badge.svg :target: https://blockchain.info/address/1AJXuBMPHkaDCNX2rwAy34bGgs7hmrePEr

.. image:: https://img.shields.io/badge/code%20style-pep8-green.svg :target: https://www.python.org/dev/peps/pep-0008/

Installation

Python 3 is required::

$ pip install netwell

Quickstart

Given a netwell checkup file checks.py:

.. code-block:: python

from netwell.checkers import URL, DNS, Port, Repo, Path

URL('http://fsf.org') \
    .redirects_to('https://www.fsf.org/') \
    .title_matches('Free Software Foundation') \
    .has_header('Content-Type', 'text/html;charset=utf-8')
Port('fsf.org', 443).ssl_valid_for(days=3000)
DNS('fsf.org', 'www.fsf.org').resolves_to('209.51.188.174')
Path('/').free_space(gb=1)
Path('/var/log/syslog').modified_within(hours=1)
Repo('/home/deploy/src/project').is_clean()

def custom_check(response, outcome):
    data = response.json()
    if data:
        outcome.fail('Other data expected')

URL('http://httpbin.org/get').check_response(custom_check)

Then, run:

::

$ netwell /some/where/checks.py
Checking that http://fsf.org redirects to http://www.fsf.org/... OK
Checking that http://fsf.org title matches "Free Software Foundation"... OK
Checking that http://fsf.org has header "Content-Type": "text/html;charset=utf-8"... OK
Checking that SSL at fsf.org:443 is valid for at least 3000 days... ERROR
ERROR: Not valid after 2016-10-13
Checking that fsf.org resolves to 208.118.235.131... OK
Checking that www.fsf.org resolves to 208.118.235.131... OK
Checking that / has 1 GB free space... ERROR
ERROR: Only 0.5 GB free
Checking that /var/log/syslog was modified after 2015-12-27 22:21:05.873355... OK
Checking that http://httpbin.org/get passes custom_check... ERROR
ERROR: Other data expected
Checking that repository /home/deploy/src/project is clean... ERROR
ERROR: Untracked files found

Use --quiet to only output the error messages, if any.

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