Eugene Vilensky evilensky

Kubernetes Well Architected Review (WAR)

Customer: Midas Touch

Date: February 02, 2020

tags: `meeting` `kubernetes` `EKS` `WAR`

Intent:

Increase awareness of architectural best practices

Python relative imports in AWS Lambda fail with attempted relative import with no known parent package

The Problem

In AWS Lambda if I attempt an explicit relative import like this

.
├── lambda_file.py
└── example.py

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Flow Charts

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	'Emulate max() as fully as possible in pure Python.'

	# https://stackoverflow.com/questions/69997857/implementation-of-max-function-in-python/69997876#69997876
	# https://github.com/python/mypy/issues/7231

	from typing import TypeVar, Any, Iterator, Iterable, Optional
	from typing import Union, Protocol, Callable, cast, Tuple, overload


	class SupportsGT(Protocol):

	# vehicle.py

	from collections import namedtuple

	class Vehicle:
	def __init__(self, name, veh_type):
	self.name = name
	self.veh_type = veh_type
	self.add_ons = []

	#!/bin/sh

	#
	# Title: Auto-Update & Upload LetsEncrypt Certs to KEMP LoadMaster
	# Guide/Source: https://colinwilson.uk/2017/06/19/auto-update-ssl-certificates-on-kemp-loadmaster-via-pfsense--lets-encrypt/
	# Created: 12/06/2017
	# Author: Colin Wilson @colinwilson
	# Vendor or Software Link: https://www.pfsense.org/ , https://kemptechnologies.com
	# Version: 1.1.0
	# Category: BASH Shell Script

	#!/usr/bin/env python
	"""
	Written by Nathan Prziborowski
	Github: https://github.com/prziborowski
	This code is released under the terms of the Apache 2
	http://www.apache.org/licenses/LICENSE-2.0.html
	The property collector can be used to fetch a subset of properties
	for a large amount of objects with fewer round trips that iterating.
	This sample shows how to use the TraversalSpec to get properties
	of another object without multiple calls.

	'''
	You'll need to pip install some dependencies:

	* python-dateutil
	* requests

	Also, populate your EMAIL and PASSWORD below.
	'''

	from xml.etree import ElementTree