ei-grad’s gists

ei-grad / aws-mac-arm64-instance-prices.sh

Created August 29, 2024 12:49

	#!/bin/bash

	# Fetch instance types
	instance_types=$(aws ec2 describe-instance-types --region us-east-1 \
	--filters "Name=processor-info.supported-architecture,Values=arm64_mac" \
	\| jq -r '.InstanceTypes[].InstanceType' \| sed 's/\.metal//g')

	# Loop through each instance type and fetch pricing information
	for instance_type in $instance_types; do
	aws pricing get-products --service-code AmazonEC2 \

ei-grad / Corefile

Created August 22, 2024 11:15

Using `coredns` as local caching name server

	. {
	bind lo
	#forward . /etc/resolv.dhcp.conf
	forward . tls://1.1.1.1 tls://1.0.0.1 {
	tls_servername cloudflare-dns.com
	}
	cache {
	success 99840 259200 600
	serve_stale
	}

ei-grad / Dockerfile

Last active August 15, 2024 06:02

EKS Bottlerocket - use ephemeral disks to store container images

	FROM public.ecr.aws/amazonlinux/amazonlinux:minimal
	RUN microdnf -y install e2fsprogs bash mdadm util-linux && microdnf clean all
	ADD setup-runtime-storage.sh ./
	ENTRYPOINT ["/bin/bash", "setup-runtime-storage.sh"]

ei-grad / coreml2text.py

Last active July 12, 2024 14:23

Extract and analyze the structure of a mlProgram CoreML models with CoreML7 spec version. This script outputs the layer names, their corresponding offsets, and tensor dimensions in a readable format. It's particularly useful for debugging and identifying unexpected sizes in exported CoreML models.

	# Copyright (c) 2024 Andrew Grigorev <andrew@ei-grad.ru>
	#
	# This software is licensed under the MIT License. Redistribution and use are permitted
	# provided that the license terms are met. For details, see the MIT License:
	# https://opensource.org/licenses/MIT

	import sys

	from functools import reduce
	from operator import mul

ei-grad / tfe-api

Created May 16, 2024 09:45

	#!/bin/bash
	# Usage: tfe-api <endpoint> [<jq filter>]

	set -euo pipefail

	if [ $# -lt 1 ] \|\| [ -z "${TF_TOKEN_app_terraform_io:-}" ]; then
	[ $# -lt 1 ] && echo "Usage: tfe-api <endpoint> [<jq filter>]" >&2
	[ -z "${TF_TOKEN_app_terraform_io:-}" ] && echo "TF_TOKEN_app_terraform_io is not set" >&2
	exit 1
	fi

ei-grad / go.mod

Last active May 16, 2024 10:59

get-caller-identity in go

	module get-caller-identity

	go 1.22.1

	require (
	github.com/aws/aws-sdk-go-v2 v1.26.2
	github.com/aws/aws-sdk-go-v2/config v1.27.14
	github.com/aws/aws-sdk-go-v2/service/sts v1.28.8
	)

ei-grad / refresh-session-token.py

Created February 27, 2024 18:13

Maintain AWS temporary credentials with Yubikey as MFA and `pass` to store static secret key

	#!/usr/bin/env python

	"""
	This script is used to refresh the session token for the AWS CLI.

	It maintains credentials in the AWS_SHARED_CREDENTIALS_FILE file, and
	refreshes the session token when it is about to expire.

	It relies on the following tools:
	- pass: a password manager

ei-grad / draw-projected

Last active February 22, 2024 11:59

Draw OSM geometries over each other projected to 1km units

	#!/usr/bin/env python
	#
	# Draw OSM geometries over each other projected to 1km units
	#
	# Install requirements:
	# pip install osmnx matplotlib
	#
	# Usage:
	# draw-projected "Cyprus island" "RU-MOW"
	#

ei-grad / radiusd.conf

Last active January 12, 2024 22:18

FreeRadius configuration for WiFi WPA2/3 Enterprise EAP TLS

	name = radiusd
	prefix = ""
	logdir = "/var/log/radius"
	run_dir = "/var/run/radiusd"
	libdir = "/usr/lib/freeradius"
	debug_level = 2
	proxy_requests = no

	raddbdir = "/etc/raddb"
	certdir = "${raddbdir}/certs"

ei-grad / get-cf-records

Created January 2, 2024 14:59

Script to fetch list of all cloudflare DNS records

	#!/bin/bash

	cf_api_fetch() {
	curl -s "https://api.cloudflare.com/client/v4/$1" \
	-H "X-Auth-Email: $CLOUDFLARE_EMAIL" \
	-H "X-Auth-Key: $CLOUDFLARE_API_KEY" \
	\| jq -r "$2"
	}

	for zone_id in $(cf_api_fetch "zones" '.result[] \| .id'); do

Andrew Grigorev ei-grad