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How to build a customizable Raspberry Pi OS Virtual Appliance (OVA)?

11.16.2020 by William Lam // 13 Comments

After posting the instructions on how to install Raspberry Pi (rPI) OS into a Virtual Machine running on ESXi-Arm, I was already thinking about an easier consumption method that not only benefited VMware customers interested in running rPI OS as a VM but also the larger rPI OS development community. Just imagine, you can now easily deploy, build and test multiple rPI OS/application on a single physical rPI and get all the benefits of vSphere that many customers have enjoyed for the past two decades. 

My goal was to build an rPI OS OVA that would enable some basic guest customization such as networking and configuring the password for the default pi user. As you can see from the screenshot below, I was able to accomplish this with minimal trial/error and works fantastic!


I was initially planning to release the rPI OS OVA as a VMware Fling which can then be made available to the community. However, due challenges in the way rPI OS is distributed today via an image file and the inclusion of packages that makes it difficult for redistribution, I decided to forgo the VMware Fling route and simply publish the instructions with some supplemental scripts that can be used to produce the same rPI OS OVA that I have built for my own personal use.

It would have been great if this could be made available and if anyone from Raspberry Pi organization is reading this and is interested in hosting the download, I would be more than welcome to provide you with OVA file.

[Read more...]

Categories // Automation, ESXi-Arm Tags // Arm, ova, ovf, Raspberry Pi, Raspberry Pi OS

Packer reference for PhotonOS Arm NFS Virtual Appliance using OVF properties for ESXi-Arm

10.21.2020 by William Lam // 5 Comments

In case the title was not descriptive enough, I was curious if I could build an Arm Virtual Appliance (OVA) using OVF properties that would allow for all sorts of interesting guest customizations which I have blogged about before here, here, here and here using x86 PhotonOS as a reference implementation. My idea for this actually pre-dated the release of the ESXi on Arm Fling, but it was only until recently with support for VMware Tools for Photon OS Arm, was I able to finally piece together this solution.

It was also neat to see that I could build an Arm OVA using x86 tooling (Packer and OVFTool) which ran on my desktop and you simply needed an ESXi-Arm host. This really goes to show the level of compatibility from a management and vSphere API point of view that an ESXi-Arm host behaves just like a standard x86 ESXi host!

and successfully deployed maybe the “1st” OVA on #ESXionARM?

Just confirmed all guest customization via OVF properties executed correctly! Will be publishing reference Packer image in case you wish to build your own pic.twitter.com/PiSpceXtFF

— William Lam (@lamw) October 15, 2020

To demonstrate a more interesting use case than just basic network customization for the ?first? Arm OVA, I thought it would be useful to setup a simple NFS appliance that would take input from the user such the size of the exported volume (default 60GB) and then the name of the mount point. Upon first boot up, there is a guest customization script that would read in the OVF properties and configure the networking, OS password and NFS server configuration which you can certainly use to host your Arm VMs.

[Read more...]

Categories // Automation, ESXi-Arm Tags // Arm, ova, ovf, Packer, Photon

Full OVA/OVF property support coming to Terraform provider for vSphere

06.11.2020 by William Lam // 23 Comments

Terraform is one of the most popular Infrastructure as Code (IaC) tool out there today and it should come as no surprise there is Terraform provider for vSphere which many of our customers have been using. In fact, VMware just recently released a couple more new providers (here and here) supporting VMware Cloud on AWS and NSX-T solutions respectively.

Although I have used Terraform and the vSphere provider in the past, it has not been my tool of choice for automation as it still lacks a number of basic vSphere capabilities which I require on a regular basis. The most common one being the ability to deploy a Virtual Appliance (OVA/OVF) which has been my biggest barrier and I know this has been a highly requested feature from the community as well.

In early May of this year, I noticed that v1.18 of the vSphere provider finally added support for OVA/OVF deployment and I was pretty excited to give this a try and may even have been the first to kick the tires on this feature? Although OVA/OVF support was added, it looks like support for customizing OVF properties which is commonly included as part of an OVA/OVF would only possible if you are cloning from an existing imported OVA/OVF image. One of the most common use case is to import an OVF/OVA from either your local computer or from a URL and it looks like this use case was not possible.

I filed two Github issues, one for supporting OVF properties for initial OVA/OVF deployment and another regarding a bug I ran into when importing OVA/OVF from a remote URL. Just yesterday, I got the good news that my feature request has been completed and I was given an early drop of the vSphere provider to try out this feature. I may have also hinted to the Engineering team to use my popular Nested ESXi Appliance OVA as a reference test implementation as I knew this was something many customers will want to deploy 🙂

UPDATE (11/05/21) - Thanks to Ryan Johnson, it looks like there has been some changes to the Terraform Provider for vSphere in how to deploy OVF/OVA. I've gone ahead an updated the example below to reflect these changes, it certainly looks a bit more verbose than before, which is a bit unfortunate from readability standpoint.

UPDATE (06/23/20) - Support for OVA/OVF properties is now available as part of 1.20 of the Terraform Provider for vSphere

[Read more...]

Categories // Automation, vSphere Tags // ova, ovf, Terraform

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William Lam is a Senior Staff Solution Architect working in the VMware Cloud team within the Cloud Infrastructure Business Group (CIBG) at VMware. He focuses on Cloud Native technologies, Automation, Integration and Operation for the VMware Cloud based Software Defined Datacenters (SDDC)

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