datashaman’s gists

datashaman / app.py

Created February 1, 2024 14:59

Monitor CloudWatch logs - print out warnings for logs that have large retention or size

	import boto3
	import json

	# Warn if log retention is longer than 7 days
	RETENTION_DAYS = 7

	# Warn if log group is storing more than 1GB of data
	STORED_BYTES = 1024 * 1024 * 1024

	def print_warnings(log_groups):

datashaman / pipe.js

Last active October 28, 2023 06:35

Promise-aware pipe implementation using recursion.

	import { setTimeout } from 'timers/promises'

	const pipe = async (context, ...callables) =>
	callables.length ? pipe(await callables.shift()(context), ...callables) : context
	const flow = (...callables) => async (initial) => pipe(initial, ...callables)

	// Use pipe to pass an initial value through the callables
	console.log(await pipe(
	12,
	($) => $ * 2,

datashaman / Options.php

Created September 5, 2023 17:00

Self-validating Options class for Laravel

	<?php

	namespace App\Support;

	use ArrayAccess;
	use ArrayIterator;
	use Illuminate\Support\Facades\Validator;
	use Iterator;
	use IteratorAggregate;

datashaman / docker-compose.yml

Last active March 14, 2023 08:02

Opensearch cluster in docker compose

	services:
	app:
	image: app
	build: .
	depends_on:
	- opensearch-node1
	environment:
	- 'OPENSEARCH_HOSTS=["https://admin:admin@opensearch-node1:9200","https://admin:admin@opensearch-node2:9200","https://admin:admin@opensearch-node3:9200"]'
	volumes:
	- .:/var/app

datashaman / names.py

Last active March 10, 2023 08:23

Get names

	strategies = [
	{
	'type': str,
	'return': lambda input: [input.strip()] if input.strip() else [],
	},
	{
	'type': dict,
	'return': lambda input: [input.get('name')] if input.get('name') else [],
	},
	{

datashaman / snake-jazz.rb

Created September 7, 2021 13:13

Snake Jazz in Sonic Pi

	live_loop :snake_jazz do
	with_fx :compressor do
	with_fx :flanger, mix: rrand(0, 0.2) do
	with_fx :reverb, amp: rrand(0, 0.6) do
	with_fx :tanh, krunch: 2, mix: rrand(0, 0.2) do
	with_fx :hpf, cutoff: 130 - rrand(0, 20), mix: rrand(0.9, 1) do
	sample :drum_cymbal_open
	sleep 0.75
	sample :drum_cymbal_pedal
	sleep 0.5

datashaman / gist:d2f3b01196958b3adda9a62b5f75591c

Last active August 24, 2020 09:08

Asymmetric encryption using openssl_seal method from PHP with nodejs and AES256 cipher

	const crypto = require('crypto');

	const encrypt = (publicKey, message) => {
	const key = Buffer.from(crypto.randomBytes(32), 'binary');
	const iv = crypto.randomBytes(16);
	const cipher = crypto.createCipheriv('aes256', key, iv);

	let data = cipher.update(message, 'utf8', 'base64');
	data += cipher.final('base64');

datashaman / definition-body.yaml

Last active August 13, 2020 10:12

datashaman / keyholder.php

Last active July 24, 2020 16:58

Asymmetric encryption example

datashaman / simulate.py

Last active February 8, 2020 09:35

Simulate coronavirus outbreak; via https://blog.zorinaq.com/case-fatality-ratio-ncov/

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