Hugh Pearse hughpearse

How to deploy Lithops Multicloud with Apache Openwhisk Python 3 to Kubernetes

This explains how to set up your serverless (FaaS) environment to run Lithops multicloud library. This allows you to avoid vendor lock-in and offboard your serverless code from cloud services.

Reset kubernetes

foo@bar$ export KUBECONFIG=
foo@bar$ minikube stop
foo@bar$ minikube delete --all

	#!/bin/bash
	file=$1
	port=$2
	if [[ -n "$file" ]] && [[ -n "$port" ]]; then
	{ echo -ne "HTTP/1.0 200 OK\nContent-Type: application/octet-stream\nContent-Disposition: inline; filename=\"$1\"\nContent-Length: $(wc -c < $file)\n\n"; cat $file; } \| nc -l $port
	else
	echo "Usage: $(basename $0) <file> <port>"
	fi

	#!/bin/bash
	port=$1
	if [[ -n "$port" ]]; then
	while true;
	do
	{ echo -e "HTTP/1.1 200 OK\r\n$(date)\r\n\r\n<h1>hello world from $(hostname) on $(date)</h1>" \| nc -vl $port; }
	done
	else
	echo "Usage: $(basename $0) <port>"
	fi

	#!/usr/bin/env python3.7
	from flask import Flask, Response, request

	app = Flask(__name__)

	def printReq(request):
	print(">>>>")
	print(request.method, request.path, request.environ.get('SERVER_PROTOCOL', 'HTTP/1.1'))
	print(request.headers)
	print(request.data.decode("utf-8"))

	#!/usr/bin/python
	import socket
	import signal # Allow socket destruction on Ctrl+C
	import sys
	import time
	import threading
	import getopt

	class WebServer(object):
	"""

	Create your starter hello world app on the website and download the zip archive

	https://code.quarkus.io/

	Check your java version and compile your project:

	foo@bar:~$ java -version 2>&1 \| grep HotSpot
	foo@bar:~$ ./gradlew quarkusDev

	Open the dev console:

	docker pull gcc
	docker run --name gcc -it gcc /bin/bash
	cd ~
	apt update
	apt-get -y install build-essential flex bison xz-utils wget ca-certificates bc linux-headers-5.10.0-6-common slirp
	wget https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.12.4.tar.xz
	tar -xf linux-5.12.4.tar.xz
	cd linux-5.12.4
	make menuconfig ARCH=um

	/**
	* dependencies {
	* implementation group: 'com.squareup.okhttp', name: 'okhttp', version: '2.7.5'
	* implementation group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version: '2.12.3'
	* }
	*/
	import com.fasterxml.jackson.core.JsonFactory;
	import com.fasterxml.jackson.databind.JsonNode;
	import com.fasterxml.jackson.databind.ObjectMapper;
	import com.squareup.okhttp.OkHttpClient;

	import requests
	import json

	headers = {'Accept': 'application/json', 'User-Agent': 'Hugh'}
	url = "https://reddit.com/r/worldnews.json"
	r = requests.get(url, headers=headers)
	print(r.json()['data'])

	How to compile the linux kernel, launch it as a process and boot into Alpine linux

	Command + Shift + 5

	Host -> Docker GCC -> UML w/ Alpine

	# get docker for compiling
	foo@host:~$ docker pull gcc
	# launch new container
	foo@host:~$ docker run --privileged --name gcc -it gcc /bin/bash