Architecture

Kubernetes Cluster with Raspberry Pis

  • Charlie Walker
  • May 22, 2019

UPDATED as of May 22, 2019   This is the first post in our Pi-IoT post series. Technology Raspberry Pi 3 HypriotOS Kubernetes Flannel Credit where Credit is Due I owe a big thanks to the fine folks over at Hypriot for all their work in this area. Their initial post on this subject was […]

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PI-IoT Overview

  • Chip Dickson
  • May 22, 2019

Overview (UPDATED -5/22/2019) In the coming months the SUM Global team will be creating a series of posts that will build out a Kubernetes cluster  on 6 Raspberry Pi 3s (RPi). It will utilize persistent volumes and have html based load balancing. We will utilize GlusterFS for the volume management. We are building our own […]

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Project Estimation: A better way

  • Chip Dickson
  • March 25, 2019

In my many years of development both as a manager and consultant, the one piece of the agile process and especially scrum points is they never seem to give you an estimate that those controlling the budget or making financial choices can use. I am an avid agile proponent and an early adopter (signed the Agile […]

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DevNexus 2018 Thank you!

  • Chip Dickson
  • March 1, 2018

Thank You! To all the good folks that attended DevNexus 2018, the speakers, all the volunteers and AJUG that put this one every year. Thank you. We, as a company, have been attending for years, and always come away energized and excited about what we do. This year Charlie and I decided to give a […]

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Raspberry Pi: Kubernetes vs Swarm

  • Charlie Walker
  • July 28, 2017

Overview We continue building out our IoT Pi project with a small backtrack. In a previous post, we created a cluster of Raspberry Pis using Kubernetes. Life with k8s was great until instability set in. It appeared that most of the issues were with the network driver Flannel. we experienced Lost/Unrecoverable nodes Kernel panics Network […]

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RPi GlusterFS Install

  • Chip Dickson
  • May 8, 2017

GlusterFS and RPi Overview We continue building out our IoT Pi project by adding volume storage that our Kubernetes cluster can use. This is a brief summary of the steps to create a glusterfs endpoint, Mounting the GlusterFS system on our Raspberry PIs and making them available to our Swarm. For this exercise we are […]

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Testing our Kubernetes Cluster

  • Charlie Walker
  • April 27, 2017

Welcome to the second post in our Pi-IoT series. Technology Raspberry Pi 3 HypriotOS Kubernetes In our previous post, we created a kubernetes cluster using raspberry pi’s. Lets test that cluster now Deploying a Test Service Log into the master node and deploy

kubectl starts a set of pods called hypriot from the hypriot/rpi-busybox-httpd […]

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