[Bug 2140415] Re: dracut needs to see crypto_LUKS devices in order to consider including systemd-cryptsetup in the initrd

[Dan Bungert]

The problem is further complicated by the notion of questing -> resolute
upgrades of a ZFS encrypted system.  Such a system will fail on first
boot (post upgrade).

I've been able to address this for new installs by creating a dracut
drop-in file like so

add_device+=" /dev/zvol/rpool/keystore "


I see two options ahead:

1. patch curtin + u-r-u

Curtin can add a drop-in file like the above to the target system, which I have tested and confirmed works.
However, this doesn't fix devices upgrading from questing, so a similar fix will be needed in the release upgrader.  It should be a straightforward code change in u-r-r as the expected path to check for this problem on the questing system is very fixed - /dev/zvol/rpool/keystore. 

2. patch dracut to consider devices under /dev/zvol
`find /dev/zvol -type l` should do it for enumerating the additionial devices to consider.

** Changed in: dracut (Ubuntu Resolute)
       Status: Invalid => New

** Description changed:

  With debian/patches/ubuntu/4001-dracut-Open-and-mount-luks-
  keystore.patch applied, systemd-cryptsetup is a requirement.
  
  Proceeding without goes poorly.
+ 
+ Further, dracut needs to know about the /dev/zvol/... devices, which it
+ does not today.  This could be resolved with dracut drop-in files, or
+ maybe we patch dracut to also consider /dev/zvol devices.

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https://bugs.launchpad.net/bugs/2140415

Title:
  dracut needs to see crypto_LUKS devices in order to consider including
  systemd-cryptsetup in the initrd

Status in curtin package in Ubuntu:
  New
Status in dracut package in Ubuntu:
  New
Status in zfs-linux package in Ubuntu:
  Fix Released
Status in curtin source package in Resolute:
  New
Status in dracut source package in Resolute:
  New
Status in zfs-linux source package in Resolute:
  Fix Released

Bug description:
  With debian/patches/ubuntu/4001-dracut-Open-and-mount-luks-
  keystore.patch applied, systemd-cryptsetup is a requirement.

  Proceeding without goes poorly.

  Further, dracut needs to know about the /dev/zvol/... devices, which
  it does not today.  This could be resolved with dracut drop-in files,
  or maybe we patch dracut to also consider /dev/zvol devices.

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