Jirka Kremser jkremser

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kedify.io, k8gb dev, 3D print & FOSS enthusiast
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https://kremser.dev
@JirkaKremser

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jkremser / http-so.yaml

Created November 2, 2026 14:15

http scaler so

	# Kedify HTTP scaling demo: HAProxy -> kedify-proxy:8080 -> http-server:8080.
	# NOTE: !!! replace <your-demo-hostname> in BOTH the Ingress and ScaledObject !!!
	# Confirm ingressClassName below matches their HAProxy IngressClass
	#
	# Apply in d9-259041077377-us-east-1 cluster context explicitly selected:
	# kubectl apply -f manifest.yaml
	# kubectl -n mobility-http-demo get deploy,svc,so,hso,hpa
	# Wait for kedify-proxy to be Ready before sending traffic.
	#
	# Test through HAProxy using your replacement hostname:

jkremser / otel-so.yaml

Last active November 2, 2026 14:22

otel scaler SO

	#1. Port-forward HAProxy:
	#
	#kubectl --context mobility-global -n ingress-system \
	# port-forward svc/haproxy-kubernetes-ingress 18080:80
	#
	#2. Generate traffic:
	#
	# ~60 RPS → about 3 replicas
	#hey -z 2m -c 10 -q 6 -host nginx.demo.local http://127.0.0.1:18080/
	#

jkremser / gist:b9b8f2b5206313cfcfb87ca7fa516633

Created April 27, 2026 10:29

tig - blame before

	```
	tig
	Use up / down cursor keys - to select the revision you want to start from
	t - enter tree view
	up / down / enter to find the file you want
	b to open blame view
	up / down - to move up and down the lines in the file
	View full patch for selected line:
	enter to view the last patch for that line
	q to close the patch view

jkremser / gist:58c7bce783881676e1fc0e6c9758e572

Created April 24, 2026 15:39

	apiVersion: v1
	kind: Pod
	metadata:
	annotations:
	kubectl.kubernetes.io/restartedAt: "2024-09-02T12:22:03+02:00"
	creationTimestamp: "2026-04-09T13:32:03Z"
	generateName: dashboard-api-service-75b659c567-
	generation: 1
	labels:
	app: dashboard-api-service

jkremser / gist:9ddc4f1af84688ef033de08d1ba4b3ec

Created April 24, 2026 15:37

	apiVersion: apps/v1
	kind: Deployment
	metadata:
	annotations:
	deployment.kubernetes.io/revision: "857"
	kubectl.kubernetes.io/last-applied-configuration: \|
	{"apiVersion":"apps/v1","kind":"Deployment","metadata":{"annotations":{},"labels":{"app":"dashboard-api-service","argocd.argoproj.io/instance":"dashboard-api-service-dev"},"name":"dashboard-api-service","namespace":"kedify"},"spec":{"replicas":3,"selector":{"matchLabels":{"app":"dashboard-api-service"}},"template":{"metadata":{"labels":{"app":"dashboard-api-service"}},"spec":{"affinity":{"podAntiAffinity":{"preferredDuringSchedulingIgnoredDuringExecution":[{"podAffinityTerm":{"labelSelector":{"matchExpressions":[{"key":"app","operator":"In","values":["dashboard-api-service"]}]},"topologyKey":"kubernetes.io/hostname"},"weight":100}]}},"containers":[{"args":["--pghost=127.0.0.1","--pguser=dashboard-service-account-dev@kedify-initial.iam","--pgdbname=kedify","--posthog-api-key=$(POSTHOG-API-KEY)","--default-keda-version=v2.19.0-1","--agent-image=

jkremser / gist:472e546e5452b97f6daad162f65319cf

Created January 14, 2026 13:58

	#!/usr/bin/env bash

	set -euo pipefail

	#AGENT_VERSION=pr-347
	#AGENT_IMAGE=ghcr.io/kedify/agent-test
	#AGENT_IMAGE=docker.io/jkremser/agent

	AGENT_IMAGE=ghcr.io/kedify/agent
	# AGENT_VERSION=v0.2.22

jkremser / setup-predictor.sh

Created December 19, 2025 17:59

	#!/bin/bash
	# provide your org id and api key here
	export ORG_ID=**
	export API_KEY=kfy_**


	# create k8s cluster
	k3d cluster delete prophet && k3d cluster create prophet -p "8000:31111@server:0" -p "8080:31112@server:0"

jkremser / gist:386d4a36df3037c9a44c6f473986526c

Created December 5, 2025 09:40

	# k3d cluster delete prophet && k3d cluster create prophet -p “8000:31111@server:0” -p “8080:31112@server:0"
	# helm upgrade -i kedify-agent oci://ghcr.io/kedify/charts/kedify-agent --version=v0.3.0 --create-namespace -nkeda -f dev.values
	# helm upgrade -i kedify-agent kedifykeda/kedify-agent --version=v0.3.2 --create-namespace -nkeda -f dev.values
	# dev.values:
	clusterName: demo-predictor
	keda:
	enabled: true
	image:
	keda:
	tag: v2.18.0-1

jkremser / gist:d925b031a516e66fa2e1771252ade21f

Last active July 18, 2025 14:15

freshbox

	// ==UserScript==
	// @name to ical (fresh)
	// @namespace http://tampermonkey.net/
	// @version 2025-07-17
	// @description Make ical
	// @author jkremser
	// @match https://www.freshbox.cz/muj/vyber/*
	// @icon https://www.freshbox.cz/apple-touch-icon.png
	// @require https://raw.githubusercontent.com/matthiasanderer/icsFormatter/refs/heads/master/icsFormatter.js
	// @grant none

jkremser / prepare_kubeconfig.md

Last active July 2, 2025 14:57

kubeconfig w/ limited rights

Create kubeconfig w/ limited rights

k create sa guest
# create RBAC for it
k create clusterrolebinding guest-reads --clusterrole view --serviceaccount default:guest
k create clusterrole so-reader --verb=get,list,watch --resource=scaledobjects.keda.sh
k create clusterrolebinding guest-reads-so --clusterrole so-reader --serviceaccount default:guest
k create clusterrole otelcol-reader --verb=get,list,watch --resource=opentelemetrycollectors.opentelemetry.io
k create clusterrolebinding guest-reads-otelcol --clusterrole otelcol-reader --serviceaccount default:guest

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