[pve-devel] [PATCH installer v3 0/4] add check/rename for already-existing ZFS rpool

[Christoph Heiss]

Thanks again!

On Fri, Jul 12, 2024 at 11:42:58AM GMT, Aaron Lauterer wrote:
> tested this series more thoroughly and checked with an existing root pool
> all 3 install options:
>
> * TUI
> * GUI
> * auto
>
> Worked well in 3 cases to rename.
>
> One oddity seems to be if we cancel the rename in the TUI installer. it
> jumps to 100% and stays there and I then need to manually abort. Jumping to
> a "setup cancelled" box that we confirm before quitting would be nice. This
> is how the GUI installer handles it.

Hm .. this must have existed since the inception of the TUI installer,
so it least isn't a (new) regression then. It just probably never
occurred that anyone tested/stumbled upon this in the TUI.

Thanks for the notice tho! I'll address it in a separate patch though,
as it isn't really related to the series.

>
> Otherwise, besides this and a tiny nit in patch 4, consider this:
>
> Reviewed-By: Aaron Lauterer <a.lauterer at proxmox.com>
> Tested-By: Aaron Lauterer <a.lauterer at proxmox.com>
>
> On  2024-07-11  13:57, Christoph Heiss wrote:
> > Pretty straight forward overall, implements a check for an existing
> > `rpool` on the system and ask the user whether they would like to rename
> > it, much in the same way as it works for VGs already.
> >
> > Without this, the installer would silently create a second (and thus
> > conflicting) `rpool` and cause a boot failure after the installation,
> > since it does not know which pool to import exactly.
> >
> > v1: https://lists.proxmox.com/pipermail/pve-devel/2024-May/063874.html
> > v2: https://lists.proxmox.com/pipermail/pve-devel/2024-July/064619.html
> >
> > Notable changes v2 -> v3:
> >    * make low-level option lvm_auto_rename more generic
> >    * skip rename prompt in auto-install mode
> >
> > Notable changes v1 -> v2:
> >    * incorporated Aarons suggestions from v1
> >    * rewrote tests to use a pre-defined input instead
> >    * moved pool renaming to own subroutine
> >    * documented all new subroutines
> >    * split out tests into own patch
> >
> > Christoph Heiss (4):
> >    test: add test cases for new zfs module
> >    low-level: install: check for already-existing `rpool` on install
> >    install: config: rename option lvm_auto_rename ->
> >      existing_storage_auto_rename
> >    low-level: install: automatically rename existing rpools on
> >      auto-installs
> >
> >   Proxmox/Install.pm                            | 35 +++++++++++-
> >   Proxmox/Install/Config.pm                     |  6 +-
> >   Proxmox/Sys/ZFS.pm                            | 20 ++++++-
> >   proxmox-auto-installer/src/utils.rs           |  2 +-
> >   .../resources/parse_answer/disk_match.json    |  2 +-
> >   .../parse_answer/disk_match_all.json          |  2 +-
> >   .../parse_answer/disk_match_any.json          |  2 +-
> >   .../tests/resources/parse_answer/minimal.json |  2 +-
> >   .../resources/parse_answer/nic_matching.json  |  2 +-
> >   .../resources/parse_answer/specific_nic.json  |  2 +-
> >   .../tests/resources/parse_answer/zfs.json     |  2 +-
> >   proxmox-installer-common/src/setup.rs         |  2 +-
> >   proxmox-tui-installer/src/setup.rs            |  2 +-
> >   test/Makefile                                 |  7 ++-
> >   test/zfs-get-pool-list.pl                     | 57 +++++++++++++++++++
> >   15 files changed, 128 insertions(+), 17 deletions(-)
> >   create mode 100755 test/zfs-get-pool-list.pl
> >