kata-image: allow remount service to manage /run #1062
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We're configuring a tmpfs with 50% of the VMs memory capacity in kata.nix, but this configuration is only applied by systemd-remount-fs.service, which we thus need to enable. That service tries to remount all filesystems, though, so we need to define them correctly in the first place so that they can be remounted. In our case, that meant defining the / mount as read-only.
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We're configuring a tmpfs with 50% of the VMs memory capacity in kata.nix, but this configuration is only applied by systemd-remount-fs.service, which we thus need to enable. That service tries to remount all filesystems, though, so we need to define them correctly in the first place so that they can be remounted. In our case, that meant defining the / mount as read-only.
This fixes the regression test failures on main: https://github.com/edgelesssys/contrast/actions/runs/12250498650.