[pve-devel] applied: [PATCH v3 qemu-server] fix 4493: cloud-init: fix generated Windows config

[Thomas Lamprecht <t.lamprecht@proxmox.com>]

Am 30/07/2024 um 17:15 schrieb Mira Limbeck:
> Cloudbase-Init, a cloud-init reimplementation for Windows, supports only
> a subset of the configuration options of cloud-init. Some features
> depend on support by the Metadata Service (ConfigDrive2 here) and have
> further limitations [0].
> 
> To support a basic setup the following changes were made:
>  - password is saved as plaintext for any Windows guests (ostype)
>  - DNS servers are added to each of the interfaces
>  - SSH public keys are passed via metadata
> 
> Network and metadata generation for Cloudbase-Init is separate from the
> default ConfigDrive2 one so as to not interfere with any other OSes that
> depend on the current ConfigDrive2 implementation.
> 
> DNS search domains were removed because Cloudbase-Init's ENI parser
> doesn't handle it at all.
> The password set via `cipassword` is used for the Admin user configured
> in the cloudbase-init.conf in the guest while the `ciuser` parameter is
> ignored. The Admin user has to be set in the cloudbase-init.conf file
> instead.
> Specifying a different user does not work.
> 
> For the password to work the `ostype` needs to be any Windows variant
> before `cipassword` is set. Otherwise the password will be encrypted and
> the encrypted password used as plaintext password in the guest.
> 
> The `citype` needs to be `configdrive2`, which is the default for
> Windows guests, for the generated configs to be compatible with
> Cloudbase-Init.
> 
> [0] https://cloudbase-init.readthedocs.io/en/latest/index.html
> 
> Signed-off-by: Mira Limbeck <m.limbeck@proxmox.com>
> ---
> v3:
>  - removed `use URI` since we already `use URI::Escape`
>  - sent a separate patch adding `liburi-perl` dependency in d/control
> v2:
>  - unchanged
> 
>  PVE/API2/Qemu.pm            | 13 ++---
>  PVE/QemuServer/Cloudinit.pm | 99 +++++++++++++++++++++++++++++++++++--
>  2 files changed, 101 insertions(+), 11 deletions(-)
> 
>

applied series, thanks!

Some tests would be nice for this CI stuff in general though, e.g. taking
in CI properties and mocking the write/apply parts to test if the resulting
output matches our expectation could already be a simple regression test
providing some basic safety net.


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