Andru Cherny wirwolf

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NodeJS, TypeScript developer, k8s DevOps

wirwolf / config.yaml

Created May 27, 2026 06:41

ArgoCD Health Check Configuration

	#Core resources
	resource.customizations.health.Service: \|
	hs = {}
	-- Check if this is a LoadBalancer service
	if obj.spec ~= nil and obj.spec.type == "LoadBalancer" then
	-- If LoadBalancer ingress is empty, mark as healthy (ignore)
	if obj.status == nil or obj.status.loadBalancer == nil or obj.status.loadBalancer.ingress == nil or #obj.status.loadBalancer.ingress == 0 then
	hs.status = "Healthy"
	hs.message = "LoadBalancer service waiting for external IP/hostname assignment"
	return hs

wirwolf / bash.bashrc

Last active April 28, 2026 07:00

BaseConfig

	# ~/.bashrc: executed by bash(1) for non-login shells.
	# see /usr/share/doc/bash/examples/startup-files (in the package bash-doc)
	# for examples

	# If not running interactively, don't do anything
	case $- in
	i) ;;
	*) return;;
	esac

wirwolf / BannedResponse.html

Created January 27, 2026 08:01

WAF

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8" />
	<meta name="viewport" content="width=device-width, initial-scale=1" />
	<title>Access Denied</title>
	<link
	href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css"
	rel="stylesheet"
	integrity="sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH"

wirwolf / gist:033a9933d61252d4b065cbbec903e563

Created January 24, 2026 21:28

wirwolf / mount-disk.service

Created September 8, 2024 06:38

/etc/systemd/system/mount-disk.service

	[Unit]
	Description=Mount /dev/disk/by-id/ata-QEMU_HARDDISK_QM00009-part1 to /mnt
	After=local-fs.target
	Requires=local-fs.target
	ConditionPathExists=/dev/disk/by-id/ata-QEMU_HARDDISK_QM00009-part1

	[Service]
	Type=oneshot
	ExecStart=/bin/mount /dev/disk/by-id/ata-QEMU_HARDDISK_QM00009-part1 /mnt
	RemainAfterExit=yes

wirwolf / backup.sh

Created December 16, 2023 18:11

gitlab-utils.sh

	#!/usr/bin/env bash
	set -eu

	export BACKUP_FOLDER=/opt/gitlab/data/backups
	export CONTAINER_NAME=gitlab

	echo "[$(date)] remove old backup"
	find ${BACKUP_FOLDER} -name '*_gitlab_backup.tar' -delete -print
	rm -v ${BACKUP_FOLDER}/gitlab_backup.tar.sha512sum \|\| true
	rm -v ${BACKUP_FOLDER}/gitlab_backup.log \|\| true

wirwolf / example.cpp

Last active November 13, 2023 07:44

Arduino AsyncWebServer examples

	server.on("/test", HTTP_GET, [](AsyncWebServerRequest *request){

	ArduinoJson::StaticJsonDocument<200> doc;
	// Add values in the document
	//
	doc["sensor"] = "gps";
	doc["time"] = 1351824120;

	// Add an array.
	//

wirwolf / Quantity.spec.ts

Created March 18, 2023 18:27

	describe('Helpers.Quantity', () => {
	it('should generate quantities', () => {
	expect(scalarToQuantity(2 / 1_000_000_000, 'n')).to.equal('2n');
	expect(scalarToQuantity(3 / 1_000_000, 'u')) .to.equal('3u');
	expect(scalarToQuantity(0.1, 'm')) .to.equal('100m');
	expect(scalarToQuantity(BigInt(3000), 'k')) .to.equal('3k');
	expect(scalarToQuantity(BigInt(3 * 1000 * 1000), 'M')) .to.equal('3M');
	expect(scalarToQuantity(BigInt(3 * 1000 * 1000 * 1000), 'G')) .to.equal('3G');
	expect(scalarToQuantity(BigInt(5 * 1000 * 1000 * 1000) * BigInt(1000), 'T')) .to.equal('5T');
	expect(scalarToQuantity(BigInt(3 * 1000 * 1000 * 1000) * BigInt(1000 * 1000), 'P')) .to.equal('3P');

wirwolf / quantityToScalar.ts

Last active March 18, 2023 17:37

	function findSuffix(quantity: string): string {
	let ix = quantity.length - 1;
	while (ix >= 0 && !/[\.0-9]/.test(quantity.charAt(ix))) {
	ix--;
	}
	return ix === -1 ? '' : quantity.substring(ix + 1);
	}

	function quantityToScalar(quantity: string): number \| bigint {
	if (!quantity) {

wirwolf / gist:70f80caf30b81eaca26cdfeb9e8d1ec0

Created March 5, 2023 13:35

pvresize --setphysicalvolumesize 400G /dev/mapper/nvme0n1p3_crypt