[Bug 2057661] Re: install w/ ZFS + encryption: `cryptsetup luksFormat /dev/zvol/rpool/keystore` failure

[Dan Bungert]

Server version of this fix available now as snap refresh, or in the 20240416 ISO.
Desktop version on the candidate channel, which requires promotion before it will be on the Desktop ISOs.

** Changed in: subiquity
       Status: Fix Committed => Fix Released

** Changed in: subiquity (Ubuntu)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/2057661

Title:
  install w/ ZFS + encryption: `cryptsetup luksFormat
  /dev/zvol/rpool/keystore` failure

Status in subiquity:
  Fix Released
Status in ubuntu-desktop-provision:
  Fix Committed
Status in subiquity package in Ubuntu:
  Fix Released

Bug description:
  When installing ZFS with Encryption, curtin may fail to create the keystore.
  The symptom for this is the following in curtin-install.log

          Unexpected error while running command.
          Command: ['cryptsetup', 'luksFormat', '/dev/zvol/rpool/keystore', ...
          Exit code: 4

  Original Description below

  ---

  Today's daily image, install in a VM via quickemu. I chose ZFS with
  encryption and the install fails with this error. The installer is
  still open but it says "install failed" in red at the bottom. (Or
  something like that, in German that's what it says."

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: subiquity (unknown)
  ProcVersionSignature: Ubuntu 6.8.0-11.11-generic 6.8.0-rc4
  Uname: Linux 6.8.0-11-generic x86_64
  NonfreeKernelModules: zfs
  ApportVersion: 2.28.0-0ubuntu1
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.494
  CloudArchitecture: x86_64
  CloudID: nocloud
  CloudName: unknown
  CloudPlatform: nocloud
  CloudSubPlatform: seed-dir (/var/lib/cloud/seed/nocloud)
  CurtinAptConfig: /var/log/installer/curtin-install/subiquity-curtin-apt.conf
  Date: Tue Mar 12 14:01:15 2024
  ExecutablePath: /snap/ubuntu-desktop-bootstrap/29/bin/subiquity/subiquity/cmd/server.py
  InterpreterPath: /snap/ubuntu-desktop-bootstrap/29/usr/bin/python3.10
  LiveMediaBuild: Ubuntu 24.04 LTS "Noble Numbat" - Daily amd64 (20240311)
  MachineType: QEMU Standard PC (Q35 + ICH9, 2009)
  ProcAttrCurrent: snap.hostname-desktop-bootstrap.subiquity-server (complain)
  ProcCmdline: /snap/hostname-desktop-bootstrap/29/usr/bin/python3.10 -m subiquity.cmd.server --use-os-prober --storage-version=2 --postinst-hooks-dir=/snap/hostname-desktop-bootstrap/29/etc/subiquity/postinst.d
  ProcEnviron:
   LANG=C.UTF-8
   LD_LIBRARY_PATH=<set>
   PATH=(custom, no user)
  ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz --- quiet splash
  Python3Details: /usr/bin/python3.12, Python 3.12.2, python3-minimal, 3.12.1-0ubuntu2
  PythonDetails: N/A
  SnapChannel:

  SnapRevision: 29
  SnapUpdated: False
  SnapVersion: 0+git.ea537ca1
  SourcePackage: subiquity
  Title: partitioning crashed with CurtinInstallError
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/06/2015
  dmi.bios.release: 0.0
  dmi.bios.vendor: EFI Development Kit II / OVMF
  dmi.bios.version: 0.0.0
  dmi.chassis.type: 1
  dmi.chassis.vendor: QEMU
  dmi.chassis.version: pc-q35-7.0
  dmi.modalias: dmi:bvnEFIDevelopmentKitII/OVMF:bvr0.0.0:bd02/06/2015:br0.0:svnQEMU:pnStandardPC(Q35+ICH9,2009):pvrpc-q35-7.0:cvnQEMU:ct1:cvrpc-q35-7.0:sku:
  dmi.product.name: Standard PC (Q35 + ICH9, 2009)
  dmi.product.version: pc-q35-7.0
  dmi.sys.vendor: QEMU

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