Replace PHP with WSGI python

This post is a brief description of replacing PHP code with python using WSGI (Web Server Gateway Interface). The journey here comes from how I monitor my servers (mostly raspberry pi’s). I used a PHP script on all my servers that delivered the hostname and basic server information and I use xymon monitoring to poll that PHP script on all the servers and test to see if the hostname is contained in the returned page. My focus lately has been on python and my interest in PHP has waned. The goal was to replace my PHP script with a python script. The end result provides a simple means of delivering dynamic web pages. I will be using bottlepy as the wsgi web-framework. My development was done on an ubuntu 18.10 (“cosmic” release).

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Using a generic git pre-commit hook

test_it && commit_it || reject_it

Using a pre-commit script when committing code makes sense and fits with every respectable dev-ops model. The goal is to have respectable code before it lands in a repository. Git makes this very easy through the use of “hooks”. If you look in any of your git project directories you will find these files in the ./.git/hooks/ directory:

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Author image Geoff McNamara

Vim ALE

VIM is a standard for me. My UNIX career hung on my “vi” savvy which I learned appreciate from mentors who encouraged me to learn the tips and tricks of using vi. My learning curve with vi/vim has never leveled off, but rather, always gives me new features and tricks that energize me again. The latest vim “trick” is ALE (Asynchronous Lint Engine).

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Vim Scriptable Templates

Dynamic vim Templates

Vim (or vi in the anceint past) has been my partner in getting things done. Like an rich tool it has lots of features that go untapped or undiscovered. A few days ago I decided I wanted a script within a tempate to help build the “front matter” to my markdown (.md) files.

The front matter looks like this:

+++
author = ""
comments = true
date = "2018-07-15 14:45:19"
draft = false
image = ""
share = true
# slug = 
# tags = [ "tag1", "tag2" ]
title = "vim_scriptable_templates"

+++

The challenge was to have vim write in the date for me in the needed format. And if you use hugo as your static web site generator as I do you may have found that it will silently ignore a new markdown file if the date is not formated correctly. It some testing to discover that but the bottom line is that I needed a way to script it for to avoid mistakes.

Research to me to this tip source: vim embedded scripts

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Hugo and Fabric

Python Fabric is a denatured version of ansible and, if you enjoy python, fabric makes a small scale devops strategy a whole lot less painful. Combined with hugo static website generator, fabic makes testing and promoting a website a whole lot easier.

I have struggled in the past with one challenge that made promoting website code from my workbench to dev, staging, and ultimately production tricky. The matter of URL always played havoc when I sent code up from one server to another for testing. Hugo offers a simple solution. When I promote website code it goes through this workflow process:

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Author image Geoff McNamara