michiel’s gists

michiel / get_secret.yaml

Created May 16, 2025 00:57

Re-usable CodeFresh build step to access GCP Secrets Manager secrets

	version: "1.0"
	name: Secure Secret Run with GCP
	description: \|
	Securely runs a user-provided shell script/command with a secret fetched from GCP Secret Manager.
	The secret is provided directly to the script's standard input (stdin).
	This step is designed to prevent the secret value from being exposed in environment variables,
	Codefresh logs (by this step itself), or unintentionally written to disk by this step.

	Security Considerations:
	- Shared Responsibility: The ultimate security of the secret, once it is piped to the

michiel / clone-jira-epic.py

Last active March 2, 2025 19:20

Deep clone Jira epic

	from atlassian import Jira

	# Jira Configuration
	JIRA_URL = "https://your-jira-instance.atlassian.net"
	JIRA_USER = "[email protected]"
	JIRA_API_TOKEN = "your-api-token"

	# Initialize Jira connection
	jira = Jira(url=JIRA_URL, username=JIRA_USER, password=JIRA_API_TOKEN, cloud=True)

michiel / arch.dot

Created July 29, 2021 23:23

Architecture concerns (graphviz)

	digraph architecture {
	layout="neato";
	node [fontname = "Helvetica"];
	edge [fontname = "Helvetica"]; splines=true;
	overlap=false;
	nodesep="0.2";
	ranksep="0.4";
	label="Architecture";
	labelloc="t";
	fontname="Lato";

michiel / clean-git.sh

Created October 27, 2020 11:07

clean out git directories to free up space

	#!/bin/bash

	# Clean out git repos to save space


	for d in `find . -maxdepth 1 -type d`
	do
	pushd . > /dev/null
	cd "$d"
	echo "Trying $d"

michiel / latency.txt

Created October 4, 2020 06:12 — forked from jboner/latency.txt

Latency Numbers Every Programmer Should Know

	Latency Comparison Numbers (~2012)
	----------------------------------
	L1 cache reference 0.5 ns
	Branch mispredict 5 ns
	L2 cache reference 7 ns 14x L1 cache
	Mutex lock/unlock 25 ns
	Main memory reference 100 ns 20x L2 cache, 200x L1 cache
	Compress 1K bytes with Zippy 3,000 ns 3 us
	Send 1K bytes over 1 Gbps network 10,000 ns 10 us
	Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD

michiel / weasel-words.json

Created July 30, 2020 10:50

List of weasel words

michiel / cisq-model.puml

Created July 2, 2020 01:23

CISQ Quality Model

	@startuml

	skinparam linetype poly

	rectangle "Quality Dimension" {
	agent Reliability
	agent Security
	agent Efficiency
	agent Maintainability
	agent Size

michiel / pyramid.py

Created May 30, 2020 12:50

	import svgwrite
	import math
	import json

	class Pyramid:
	def __init__(self, data, filename, height=500):
	self.data = data
	self.filename = filename
	self.height = height
	self.width = 2 * height

michiel / list-active-cloudfront-deployments.sh

Created April 8, 2020 03:27

List active cloudfront deployments with AWS CLI and jq

	#!/bin/sh

	AWS_PROFILE=my-profile
	AWS_REGION=ap-southeast-2

	aws --profile=$AWS_PROFILE \
	--region=$AWS_REGION \
	cloudfront list-distributions \
	\| jq '.DistributionList.Items[].Origins.Items[] \| {Id: .Id, OriginPath: .OriginPath}'

michiel / transport-dynamodb-data.sh

Created March 26, 2020 00:13

Export and import DynamoDB data across environments

Michiel Kalkman michiel