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Roy Golan rgolangh

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@rgolangh
rgolangh / K8s-root-cert-for-Java.adoc
Last active April 2, 2024 09:46

Adding a custom CA Certificate to a Container Running Java

If you’re working with containers running Java applications and need to add a CA (Certificate Authority) certificate for secure communication, you can follow these steps. This guide assumes you are familiar with containers and have basic knowledge of working with YAML files.

Problem Space

@rgolangh
rgolangh / pods-with-cert-init.yaml
Last active April 4, 2024 06:35
apiVersion: v1
kind: Pod
metadata:
name: root-ca-to-cacerts
spec:
initContainers:
- name: add-kube-root-ca-to-cacerts
image: registry.access.redhat.com/ubi9/openjdk-21
volumeMounts:
- mountPath: /opt/new-cacerts
@rgolangh
rgolangh / Main.java
Last active March 28, 2024 17:58
simple curl in java
import java.util.stream.*;
import java.net.http.HttpRequest;
import java.net.http.HttpClient;
import java.net.URI;
import java.net.http.HttpResponse;
import java.net.http.HttpClient.Version;
import java.net.http.HttpRequest.BodyPublishers;
import java.net.http.HttpResponse.BodyHandlers;
import java.time.Duration;
@rgolangh
rgolangh / kind-install-ingress.sh
Last active February 15, 2024 18:43
#/bin/bash
#
set -xe
kind delete cluster orchestrator
KIND_EXPERIMENTAL_CONTAINERD_SNAPSHOTTER=native kind create cluster --config - <<EOF
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
name: orchestrator
networking:
@rgolangh
rgolangh / Local-orchestrator-installation.md
Last active February 18, 2024 16:08

Setting up Local Installation of Orchestrator with Helm

This document provides step-by-step instructions for developers to set up a local installation of Orchestrator using the Helm chart provided in rgolangh/janus-idp-workflows-helm repository.

Prerequisites

Before proceeding, ensure you have the following prerequisites installed:

  • Helm v3+
  • Kubernetes cluster configured (e.g., Kind, Minikube, Docker Desktop with Kubernetes enabled)
@rgolangh
rgolangh / build-image.sh
Last active October 31, 2023 11:15
Create Janus backstage-showcase image with orchestrator plugins
#!/bin/bash -xe
pushd $(mktemp -d -p .)
cleanup() {
popd
}
trap cleanup EXIT SIGINT SIGTERM
VERDACCIO_CONF=$(mktemp -p . XXX-verdaccio.conf)
BACKSTAGE_PLUGINS_DOCKERFILE=$(mktemp -p . XXX-backstage-plugins.Dockerfile)
@rgolangh
rgolangh / gist:475e0ee0acc973492fa1f8e57d24075b
Last active January 23, 2023 15:00
kind: Template
apiVersion: template.openshift.io/v1
metadata:
name: f37-arm
namespace: openshift-cnv
labels:
os.template.kubevirt.io/fedora37: 'true'
template.kubevirt.io/type: vm
workload.template.kubevirt.io/server: 'true'
annotations:
@rgolangh
rgolangh / Makefile
Created October 30, 2022 17:32
A makefile to spin rhivos 9 vm
SHELL := /bin/bash
IMG = rhivos9-x86_64.qcow
run-vm:
qemu-kvm \
-m 8G \
-cpu host \
-smp sockets=2,cores=2 \
-machine q35 \
-nographic \
@rgolangh
rgolangh / index.html
Last active August 16, 2022 05:53
tiny hangedman game for the browser
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body {
background: lightgray;
}
.content {
@rgolangh
rgolangh / podman-create.sh
Last active November 23, 2021 19:37
osbuild - container setup for composer and worker
#!/usr/bin/env bash
set -e
# First build the container images
# podman build -f distribution/Dockerfile-worker -t osbuild-worker .
# podman build -f distribution/Dockerfile-ubi -t osbuild-composer .
# podman build -f Dockerfile.composer-cli -t osbuild-composer-cli .
podman network create cni-podman1 || true