kenichi-shibata

Setting up a Multi-Arch, Multi OS cluster

I wanted to build a home lab to get some experience with how Kubernetes works in a multi-architecture, multi-OS environment. Here's the worklog. I'll probably turn it into a blog later :)

• Setting up a Multi-Arch, Multi OS cluster
  • First node - ODroid HC-1
    • Initial setup of the ODroid
• ODroid frequency scaling (optional)

kenichi-shibata

# Hello, and welcome to makefile basics.
#
# You will learn why `make` is so great, and why, despite its "weird" syntax,
# it is actually a highly expressive, efficient, and powerful way to build
# programs.
#
# Once you're done here, go to
# http://www.gnu.org/software/make/manual/make.html
# to learn SOOOO much more.

kenichi-shibata

ssh-keygen -t rsa -b 4096 -m PEM -f jwtRS256.key
# Don't add passphrase
openssl rsa -in jwtRS256.key -pubout -outform PEM -out jwtRS256.key.pub
cat jwtRS256.key
cat jwtRS256.key.pub

kenichi-shibata

apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: debug
  name: debug
spec:
  replicas: 1
  selector:
    matchLabels:

kenichi-shibata

#!/bin/sh

# Author: Pat Migliaccio <pat@patmigliaccio.com>
# License: MIT

EMAIL="<Acct_Email>"
ZONE="<Zone_ID>"
API_KEY="<API_Key>"
DATA="{ \"files\": [\"https://example.com/css/style.css\"] }"

kenichi-shibata

#!/usr/bin/env bash

# Quinn Comendant <quinn@strangecode.com>
# https://gist.github.com/quinncomendant/3be731567e529415d5ee
# Since 25 Jan 2015
# Version 1.1

CMD=$1;

if [[ `id -u` = 0 ]]; then

kenichi-shibata

kubectl multi-version brews

We need to run multiple versions of kubectl for compatibility with various kubernetes clusters.

It's a bit easier to get and use multiple versions of kubectl using Homebrew than it is using Macports.

With brew, it's simple to:

• Install a bunch of versions of kubectl (in the kubernetes-cli Formula)
• Switch between them as needed

kenichi-shibata

Processing JSON using jq

jq is useful to slice, filter, map and transform structured json data.

Installing jq

On Mac OS

brew install jq

kenichi-shibata

//打印文件内容
package main

import (
	"bufio"
	"bytes"
	"fmt"
	"os"
	"io"
	"path/filepath"	

kenichi-shibata

package main

import (
	"fmt"
	"io"
	"net/http"
	"os"
)

func main() {