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VEBA + Knative + k3s on ESXi-Arm

01.26.2021 by William Lam // Leave a Comment

In response to a customer request to add Arm64 support for our VMware Event Router, I have been spending some more time playing with k3s (lightweight Kubernetes distribution for Arm) running on ESXi-Arm using a Raspberry Pi. Not only was this a good learning experience that exposed to me to the broader Arm ecosystem, which is still maturing but it also took me down several 🐰🕳️ which got me exploring new tools that I had never used before such as Buildpacks and Docker buildx to name a few.

This past weekend, I was finally successful in setting up our VMware Event Router for Arm using the Knative processor on a k3s cluster using ESXi-Arm running on a Raspberry Pi 4b 8GB model! As of writing this, the following versions were used:

  • Knative Serving v0.20.0
  • Knative Net Contour v0.20.0
  • Knative Eventing v0.20.1
  • RabbitMQ Cluster Operator v0.5.0

Made some more progress w/@KnativeProject + @VMWEventBroker on k3s on @esxi_arm

✅ Knative Serving & Eventing
✅ @RabbitMQ Operator & Eventing
✅ @projectcontour
✅ @VMware Event Router

Just need to figure out @buildpacks_io for Arm64 - https://t.co/ChdkMLSXMp looks promising pic.twitter.com/XFWDiGONSB

— William Lam (@lamw.bsky.social | @*protected email*) (@lamw) January 24, 2021

In addition, I was able to also convert the Knative python echo function that was originally created by my colleague Michael Gasch and build an Arm64 version of the Knative python echo function which demonstrates the integration of VEBA with the Knative processor connected to a vCenter Server as my event source.

🥳 Successfully deployed & verified my arm64 python echo func w/@VMWEventBroker (Event Router) using the @KnativeProject processor!

Awesome for lightweight testing/development purposes on small VM w/k3s on @esxi_arm

Heck, don’t even need real vCenter, can run vcsim locally! pic.twitter.com/DuI16fvXfs

— William Lam (@lamw.bsky.social | @*protected email*) (@lamw) January 24, 2021

For those interested in just the VMware Event Router Arm64 image, you can access it here and we plan to make that an official image shortly. For those interested in setting up a fully functional Arm deployment of VEBA and Knative processor, you can find the detailed instructions below.

[Read more...]

Categories // Automation, ESXi-Arm, Kubernetes Tags // Arm, k3s, Knative, Kubernetes, Raspberry Pi, VEBA

Kubernetes on ESXi-Arm using k3s

10.16.2020 by William Lam // 11 Comments

The tiny form factor of a Raspberry Pi (rPI) is a fantastic hardware platform to start playing with the ESXi-Arm Fling. You can already do a bunch of fun VMware things like running a lightweight vSAN Witness Node to setting up basic automation environment for PowerCLI, Terraform and Packer to running rPI OS as VM, enabling some neat use cases like consolidating your physical rPI assets which might be running RetroPi and Pi-Hole which many home labbers are doing.

In addition to VMware solutions, its is also a great platform to learn and tinker with new technologies like Kubernetes (K8s) which I am sure many of you have been hearing about 🙂 Although our vSphere with Tanzu and Tanzu Kubernetes Grid (TKG) does not currently work with the ESXi-Arm Fling, I have actually been meaning to try out a super lightweight K8s distribution designed for IoT/Edge called k3s (pronounced k-3-s) which also recently joined Cloud Native Computing Foundation (CNCF) Sandbox level.

k3s is supported on rPI and you normally would have multiple rPI devices to represent the number of nodes, for example if you want a basic 3-Node cluster, you would need three physical rPI devices. With ESXi-Arm, you can now create these nodes as VM, using just a single rPI. This opens up the door for all sorts of explorations, you can create HA cluster or try out more advanced features which might be more difficult if you needed several physical devices. If you mess up, you can simply re-deploy the VM without much pain or simply clone the VM.

In my setup, I am using 3 x Photon OS VMs. One for the primary node and two for k3s worker nodes. You can certainly install k3s on any other Arm-based OS including rPI OS (which can now run as a VM as mentioned earlier).


[Read more...]

Categories // ESXi-Arm, Kubernetes Tags // Arm, ESXi, k3s, Kubernetes

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William is Distinguished Platform Engineering Architect in the VMware Cloud Foundation (VCF) Division at Broadcom. His primary focus is helping customers and partners build, run and operate a modern Private Cloud using the VMware Cloud Foundation (VCF) platform.

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