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docs/HACKING: add a note about how to grow the image

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Yesterday, I spent more hours than I would like to admit debugging tests that
was failing because the Fedora cloud base image has only 4 GB disk space.

This commit adds a note for the future me.
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Ondřej Budai 2020-10-20 10:03:37 +02:00
parent 12b8ec2f58
commit baea7ac7ee
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HACKING.md
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@ -21,6 +21,9 @@ To start a ephemeral virtual machine using this repository, run:
`IMAGE` has to be a path to an cloud-init-enabled image matching the host
operating system, because that's what the packages where built for above.
Note that the Fedora/RHEL cloud images might be too small for some tests
to pass. Run `qemu-img resize IMAGE 10G` to grow them, cloud-init's growpart
module will grow the root partition automatically during boot.
The second argument points to a directory from which cloud-init user-data is
generated (see `tools/gen-user-data` for details). The one given above tries to