stekern / aws_sso_generate.py

Last active January 21, 2025 13:08

Easily generate AWS CLI profiles based on an AWS IAM Identity Center access portal URL (using the PKCE flow)

	# /// script
	# requires-python = ">=3.12"
	# dependencies = [
	# "boto3"
	# ]
	# ///
	from __future__ import annotations

	import argparse
	import base64

stekern / .zshrc

Created July 7, 2024 09:53

no-my-zsh

	# ====== Options ======
	setopt NO_CASE_GLOB
	setopt SHARE_HISTORY
	setopt EXTENDED_HISTORY
	setopt APPEND_HISTORY
	setopt HIST_VERIFY
	setopt HIST_EXPIRE_DUPS_FIRST
	setopt HIST_IGNORE_DUPS
	setopt HIST_FIND_NO_DUPS
	setopt HIST_REDUCE_BLANKS

stekern / cfn-ddb-sfn.yml

Created November 12, 2023 16:12

CloudFormation template that demonstrates how to start a Step Functions State Machine using DynamoDB Streams and EventBridge Pipes

	AWSTemplateFormatVersion: "2010-09-09"
	Description: Creates a Step Functions State Machine that is executed when new items are added to a DynamoDB Table.
	Resources:
	Table:
	Type: "AWS::DynamoDB::Table"
	Properties:
	AttributeDefinitions:
	- AttributeName: "PK"
	AttributeType: "S"
	KeySchema:

stekern / clear-github-dependency-graph.sh

Created October 11, 2023 14:54

Utility script for creating an empty GitHub dependency graph snapshot

	#!/usr/bin/env bash
	#
	# Utility script for creating an empty GitHub dependency graph snapshot for a given <detector>-<job-correlator> combination.
	# This can be useful to update your dependency graph in GitHub if you've used Syft or similar to manually publish
	# dependency graph snapshots for artifacts that have been removed from the codebase.
	#
	# The script asks for confirmation before actually making the POST request to GitHub's Dependency Submission API.

	set -euo pipefail
	IFS=$'\n\t'

stekern / shell-stuff.md

Last active October 6, 2023 13:09

shell stuff

A dumping ground for shell commands and regular expressions that should be POSIX-compliant and portable, as well as some bash stuff that should be portable across bash versions (>= 2).

bash

Storing output from command as array

read -r -d '' -a arr < <( command && printf '\0' )

stekern / list-all-cloudformation-stacks.sh

Created April 26, 2023 10:46

List all CloudFormation stacks in all enabled regions

	#!/usr/bin/env bash
	#
	# Script that uses the AWS CLI to list all active CloudFormation stacks
	# in all enabled regions.
	#
	set -euo pipefail
	IFS=$'\n\t'

	regions="$(aws account list-regions --region-opt-status-contains "ENABLED" "ENABLED_BY_DEFAULT" --query "Regions[].[RegionName]" --output text && printf '\0')"
	read -r -d '' -a regions < <(aws account list-regions --region-opt-status-contains "ENABLED" "ENABLED_BY_DEFAULT" --query "Regions[].[RegionName]" --output text && printf '\0')

stekern / cfn-monthly-budget.yml

Created April 10, 2023 09:49

CloudFormation template for creating a monthly AWS budget with email notifications.

	# NOTE: In order for IAM users and roles to have access to AWS billing and cost management,
	# you'll first need to activate IAM access using your AWS root user. You can follow the guide
	# at the link below if you haven't already configured this.
	# https://docs.aws.amazon.com/IAM/latest/UserGuide/tutorial_billing.html?icmpid=docs_iam_console#tutorial-billing-step1

	AWSTemplateFormatVersion: 2010-09-09
	Description: \|
	Creates an AWS Budgets Budget that notifies you by email once you're on track to exceed the monthly budget."
	Parameters:
	Email:

stekern / s3-filename-sync.sh

Last active October 9, 2022 20:17

Sync contents of an S3 bucket with a local folder, skipping local files with the same filename

	#!/usr/bin/env bash
	#
	# Experimental shell script for downloading files from S3 and
	# skipping local files with the same filenames.
	#
	# Example usage: bash shell.sh --bucket-name "my-bucket" --target-dir "./my-local-dir" --prefix "my-prefix/" --flatten "true"

	set -euo pipefail
	IFS=$'\n\t'

stekern / replace_placeholders.sh

Created June 23, 2022 13:29

Shell script for replacing placeholders in files in a portable-ish manner

	#!/usr/bin/env bash
	#
	# Helper functions for replacing placeholders in files.
	#
	# Distributed under terms of the MIT license.

	set -euo pipefail
	IFS=$'\n\t'

	# Print example usage of the script.

stekern / locate-cdk-v1-stacks.sh

Last active June 2, 2022 12:21

Locate CloudFormation stacks created using CDK v1

	#!/usr/bin/env bash
	set -euo pipefail
	IFS=$'\n\t'

	read -r -d '' -a regions < <(aws ec2 describe-regions --query "Regions[].[RegionName]" --output text && printf '\0')

	for region in "${regions[@]}"; do
	echo "[$region] Finding CloudFormation stacks deployed using CDK"
	read -r -d '' -a stacks < <(aws cloudformation list-stacks --region "$region" --query "StackSummaries[?!contains(keys(@), 'DeletionTime')].[StackName]" --output text && printf '\0')
	test -z "${stacks:-}" && continue

Erlend Ekern stekern

shell stuff

bash

Storing output from command as array