Fred Dubois duboisf

Getting machines from all clusters in nushell

I'm migrating karpenter to version v0.32.x and I need to verify if there are some machines left that might not have been migrated to nodepools.

Note

I have a none context that I select to "turn off" kubectl. I need to filter it out. To create this context, I used the following command: kubectl config set-context none

let machines = ^kubectl config view

Get all AWS VPCs, for all accounts, in all regions, in nushell

The cool thing about this script is that it uses par-each to run the aws commands in parallel and collecting the results. Do you know how hard that is to do in bash?!

Warning

This script assumes that you have 1 profile entry for each AWS account of the form <account alias>/aws-read-only. Adapt as needed.

aws configure list-profiles | grep aws-read-only | lines | par-each {|profile|

Sometimes in the course of your job you might need to approve a bunch of pull requests that were automatically created.

The gh cli is a handy tool to simplify this process.

In this example we'll approve all pull requests in the Foo org that request you as a reviewer and contains autoscaling:

for PR_URL in $(gh search prs org:Foo --review-requested @me --state open autoscaling --json url --jq ".[].url"); do
 echo $PR_URL

To install zscaler on Pop!_OS 22.04, download the connector from the admin zscaler site by clicking the Client Connector link on the sidebar, then clicking Client Connector App Store, New Releases, Linux and download 1.4.0.105.

Before installing, you must temporarily replace your /etc/os-release file:

cd /etc
sudo mv os-release os-release.old
sudo cat <<EOF >> os-release
PRETTY_NAME="Ubuntu 22.04.2 LTS"
NAME="Ubuntu"

Displaying a golang project's internal dependency graph

Run this at the root of a golang project, where it contains a go.mod file.

Here is how to get the graph for the karpenter project:

cd /tmp
gh clone aws/karpenter
cd karpenter

	#!/bin/bash

	# Strict mode
	set -euo pipefail

	if [ $# -ne 3 ]; then
	echo "Usage: $0 <helm_release_name> <old_api_version> <new_api_version>"
	exit 1
	fi

	package main

	import (
	"fmt"
	"os"
	)

	func forEachInRange(start, end int, title string, callback func(int)) {
	if start > end {
	fmt.Fprintf(os.Stderr, "start %q must be smaller than end %q", start, end)

	#!/bin/bash

	# Use docker to run the aws cli.
	# This bash script can be put anywhere on your $PATH.
	# Inspired from https://docs.aws.amazon.com/cli/latest/userguide/install-cliv2-docker.html

	AWS_CLI_VERSION=2.8.6

	debug() {
	if [[ -n ${AWS_CONTAINER_DEBUG} ]]; then

	#!/bin/bash

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

	if (( $# != 1 )); then
	echo "This script takes 1 argument, the GitHub org name" >&2
	exit 1
	fi

	sudo ufw allow in on zcctun0 proto any from 10.0.0.0/8 to 100.64.0.1 port 9000
	sudo ufw allow in on zcctun0 proto any from 100.64.0.0/16 to 100.64.0.1 port 9000
	sudo ufw allow in on zcctun0 proto any from 100.64.0.0/16 to 100.64.0.1 port 9010
	sudo ufw allow in on zcctun0 proto udp from 100.64.0.0/16 to 100.64.0.1