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Our heavy VM images have thus far been built by installing Oracle Linux from the ISOs in a VM, thanks to the automated Anaconda installer. This is slow, tricky to debug, and requires adjustments for each new OL version. Since OL10 is here and needs to be in the test matrix, the choice was to either extend this system to work with the new OL10 ISOs, or migrate to a better option. I chose the latter. There were two better options which I considered: 1. We offer virtual machine template images on yum.oracle.com in qcow2 format. They can be booted and configured with cloud-init. 2. We could build OS images via "bootc", a new tool which allows building OS images using a Containerfile like you would build container images. Unfortunately, from what I could tell bootc is not a viable option for something old like OL7. So I chose the first option. Signed-off-by: Stephen Brennan <stephen.s.brennan@oracle.com>
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Our heavy VM images have thus far been built by installing Oracle Linux from the ISOs in a VM, thanks to the automated Anaconda installer. This is slow, tricky to debug, and requires adjustments for each new OL version. Since OL10 is here and needs to be in the test matrix, the choice was to either extend this system to work with the new OL10 ISOs, or migrate to a better option. I chose the latter.
There were two better options which I considered:
We offer virtual machine template images on yum.oracle.com in qcow2 format. They can be booted and configured with cloud-init.
We could build OS images via "bootc", a new tool which allows building OS images using a Containerfile like you would build container images.
Unfortunately, from what I could tell bootc is not a viable option for something old like OL7. So I chose the first option.