Eugene Shershen h0rn3t

Install Prerequisites on ALL (Worker and Master) Nodes

Let's remove any old versions of Docker if they exist:

sudo yum remove docker \
                  docker-common \
                  docker-selinux \
                  docker-engine

title	Docker Compose Cheatsheet
subtitle	Quick reference for Docker Compose commands and config files
author	Jon LaBelle
date	April 7, 2019
source	https://jonlabelle.com/snippets/view/markdown/docker-compose-cheatsheet

A "Best of the Best Practices" (BOBP) guide to developing in Python.

	from functools import lru_cache, wraps
	from datetime import datetime, timedelta

	def timed_lru_cache(seconds: int, maxsize: int = 128):
	def wrapper_cache(func):
	func = lru_cache(maxsize=maxsize)(func)
	func.lifetime = timedelta(seconds=seconds)
	func.expiration = datetime.utcnow() + func.lifetime

	@wraps(func)

	#/etc/systemd/system/test.service
	[Unit]

	Description=Test Systemd Service

	[Service]
	ExecStartPre=/usr/bin/echo -e "\033[0;33m Pre start \033[0m"
	ExecStart=/usr/bin/sleep 10
	ExecStartPost=/usr/bin/echo -e "\033[0;33m Post start \033[0m"

	#!/usr/bin/env python3
	'''
	@desc Simple MongoDB Client class. Offers the entire API
	of AsyncioMotorCollection.
	@author SDQ <sdq@afnor.org>
	@version 1.0.0
	@date 2020-02-17
	@note 1.0.0 (2020-02-17) : First functional version
	'''
	from typing import Any, Optional

	The MIT License (MIT)

	Copyright (c) 2013 Michael E. Cotterell

	Permission is hereby granted, free of charge, to any person obtaining a copy
	of this software and associated documentation files (the "Software"), to deal
	in the Software without restriction, including without limitation the rights
	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	copies of the Software, and to permit persons to whom the Software is
	furnished to do so, subject to the following conditions:

	plugins = {}
	def get_input_plugins():
	return plugins['input'].items()

	class Plugin(object):
	plugin_class = None

	@classmethod
	def register(cls, name):
	plugins[cls.plugin_class][name] = cls

	# All credit: http://stackoverflow.com/questions/4006324/how-to-atomically-delete-keys-matching-a-pattern-with-redis
	redis-cli [options] KEYS "prefix:*" \| xargs redis-cli [options] DEL

	import logging
	import asyncio
	import uvicorn
	from uvicorn.loops.uvloop import uvloop_setup
	from starlette.applications import Starlette
	from starlette.responses import JSONResponse
	import socketio

	# Set some basic logging
	logging.basicConfig(