It turns out to be quite an ordeal to put together a Kubernetes Cluster with those akachan (means "baby" in Japanese. just a catchy word I use a lot to define little things) Raspberry Pi computers. However, once setup, it is awesome to have such an infrastructure at your disposal.

In this series of posts, I will try to share my experience and sources I resorted to while putting this "tower of akachan computers" which is protected by the... is that Hello Kitty's sister by the way?

Raspberry Pi Kubernetes Cluster *Japan gets into your soul. Those cutesie little toys are protecting the cluster :)

The setup includes:

  • 5 x Raspberry Pi 3 Model B +
    • 4 of them connected directly to the TP-LINK TL-SG108E L2 Gigabit Ethernet (10/100/1000) Network Switch
    • 1 has a TFT screen and uses Wi-Fi. not in the picture
    • I bought some of them with cases, some barebones.
  • 120 GB External SSD
  • 1 TP-LINK TL-SG108E L2 Gigabit Ethernet (10/100/1000) Network Switch
  • Anker PowerPort 6 (60 W 6 - port). Raspberry Pi 3 Model B + wants 2.4A 5V, otherwise outputs annoying "under voltage" messages.
  • A bunch of heatsinks. Probably not needed, but why not!
  • Flat ethernet cables.

The cost was, per a quick glance at the orders,  55,000 ¥ (Japanese Yen). Or around $500 (USD). One can probably buy a decent computer with the same amount. But then, where is the fun!

Next post will be about the setting up the Raspberry Pi's. It will be mostly sharing snippets and links which have proven to be very useful for me.