[pve-devel] [PATCH installer 00/14] fix #5536: implement post-(auto-)installation notification mechanism

[Stefan Hanreich]

Did a quick smoke test of this series by creating an ISO with an answer
file baked in and checking the response via `nc -l`. Review is inline.

Consider this:

Tested-By: Stefan Hanreich <s.hanreich at proxmox.com>
Reviewed-By: Stefan Hanreich <s.hanreich at proxmox.com>


On 7/10/24 15:27, Christoph Heiss wrote:
> This implements a mechanism for post-installation "notifications" via a
> POST request [0] when using the auto-installer.
> 
> It's implemented as a separate, small utility to facilitate separation
> of concerns and make the information gathering easier by having it
> isolated in one place.
> 
> Patches #1 through #10 are simply clean-ups, refactors, etc. that were
> done along the way, which do not impact functionality in any way.
> 
> Most interesting here will be patch #12, which adds the actual
> implementation of the post-hook. (Bind-)mounting the installed host
> system is done using the existing `proxmox-chroot` utility, and the HTTP
> POST functionality can fortunately be re-used 1:1 from
> `proxmox-fetch-answer`.
> 
> I've also included an example of how the JSON body (pretty-printed for
> readability) of such a post-installation request would look like below,
> for reference.
> 
> Tested this with both PVE and PBS ISOs, PMG did not (yet) have a
> release with an auto-installation capable ISO. The only product-specific
> code is the version detection in `proxmox-post-hook`, which - since it
> works the same for PVE and PMG - be no obstacle.
> 
> [0] https://bugzilla.proxmox.com/show_bug.cgi?id=5536
> 
> {
>   "debian-version": "12.5",
>   "product-version": "pve-manager/8.2.2/9355359cd7afbae4",
>   "kernel-version": "proxmox-kernel-6.8.4-2-pve-signed",
>   "boot-type": "bios",
>   "filesystem": "zfs (RAID1)",
>   "fqdn": "host.domain",
>   "machine-id": "f4bf9711783248b7aaffe3ccbca3e3dc",
>   "bootdisk": [
>     {
>       "size": 8589934592,
>       "udev-properties": {
>         "DEVNAME": "/dev/vda", [..]
>       }
>     },
>     {
>       "size": 8589934592,
>       "udev-properties": {
>         "DEVNAME": "/dev/vdb", [..]
>       }
>     }
>   ],
>   "management-nic": {
>     "mac": "de:ad:f0:0d:12:34",
>     "address": "10.0.0.10/24",
>     "udev-properties": {
>       "INTERFACE": "enp6s18", [..]
>     }
>   },
>   "ssh-public-host-keys": {
>     "ecdsa": "ecdsa-sha2-nistp256 [..] root at host",
>     "ed25519": "ssh-ed25519 [..] root at host",
>     "rsa": "ssh-rsa [..] root at host",
>   }
> }
> 
> Christoph Heiss (14):  chroot: print full anyhow message
>   tree-wide: fix some typos
>   tree-wide: collect hardcoded installer runtime directory strings into
>     constant
>   common: simplify filesystem type serializing & Display trait impl
>   common: setup: serialize `target_hd` as string explicitly
>   common: split out installer setup files loading functionality
>   debian: strip unused library dependencies
>   fetch-answer: move http-related code to gated module in
>     installer-common
>   tree-wide: convert some more crates to use workspace dependencies
>   auto-installer: tests: replace left/right with got/expected in output
>   auto-installer: answer: add `posthook` section
>   fix #5536: add post-hook utility for sending notifications after
>     auto-install
>   fix #5536: post-hook: add some unit tests
>   unconfigured.sh: run proxmox-post-hook after successful auto-install
> 
>  Cargo.toml                                    |  11 +
>  Makefile                                      |   8 +-
>  debian/control                                |   1 +
>  debian/install                                |   1 +
>  debian/rules                                  |   9 +
>  proxmox-auto-install-assistant/Cargo.toml     |  14 +-
>  proxmox-auto-installer/Cargo.toml             |  15 +-
>  proxmox-auto-installer/src/answer.rs          |  27 +-
>  .../src/bin/proxmox-auto-installer.rs         |  15 +-
>  proxmox-auto-installer/src/sysinfo.rs         |  10 +-
>  proxmox-auto-installer/src/utils.rs           |  15 +-
>  proxmox-auto-installer/tests/parse-answer.rs  |  42 +-
>  proxmox-chroot/Cargo.toml                     |   8 +-
>  proxmox-chroot/src/main.rs                    |  19 +-
>  proxmox-fetch-answer/Cargo.toml               |  17 +-
>  .../src/fetch_plugins/http.rs                 | 100 +---
>  .../src/fetch_plugins/partition.rs            |  14 +-
>  proxmox-installer-common/Cargo.toml           |  26 +-
>  proxmox-installer-common/src/http.rs          |  94 ++++
>  proxmox-installer-common/src/lib.rs           |   5 +
>  proxmox-installer-common/src/options.rs       | 109 ++--
>  proxmox-installer-common/src/setup.rs         | 108 +---
>  proxmox-installer-common/src/utils.rs         |   2 +
>  proxmox-post-hook/Cargo.toml                  |  19 +
>  proxmox-post-hook/src/main.rs                 | 498 ++++++++++++++++++
>  proxmox-tui-installer/Cargo.toml              |   8 +-
>  proxmox-tui-installer/src/setup.rs            |   2 +-
>  unconfigured.sh                               |   7 +-
>  28 files changed, 862 insertions(+), 342 deletions(-)
>  create mode 100644 proxmox-installer-common/src/http.rs
>  create mode 100644 proxmox-post-hook/Cargo.toml
>  create mode 100644 proxmox-post-hook/src/main.rs
>