[pdm-devel] [PATCH datacenter-manager 14/21] ui: pve wizard: info: detect hostname and fingerprint

[Lukas Wagner]

On Fri May 16, 2025 at 3:36 PM CEST, Dominik Csapak wrote:
> Instead of always inserting the initial host into the nodelist
> (which will always be duplicate since it will be also contained in
> the node list), try to match the hostname and or fingerprint with
> any of the given node, so we can deduplicate that.
>
> Signed-off-by: Dominik Csapak <d.csapak at proxmox.com>
> ---
>  ui/src/remotes/wizard_page_info.rs | 35 ++++++++++++++++++++++++------
>  1 file changed, 28 insertions(+), 7 deletions(-)
>
> diff --git a/ui/src/remotes/wizard_page_info.rs b/ui/src/remotes/wizard_page_info.rs
> index 882eebd..04b0004 100644
> --- a/ui/src/remotes/wizard_page_info.rs
> +++ b/ui/src/remotes/wizard_page_info.rs
> @@ -108,13 +108,34 @@ async fn scan(connection_params: ConnectParams, form_ctx: FormContext) -> Result
>          ScanResult::TlsResult(_) => bail!("Untrusted certificate or invalid fingerprint"),
>          ScanResult::Remote(remote) => remote,
>      };
> -    result.nodes.insert(
> -        0,
> -        PropertyString::new(NodeUrl {
> -            hostname,
> -            fingerprint,
> -        }),
> -    );
> +
> +    // try to detect inserted hostname/fingerprint

IMO the comment does not really help with understanding what the code
below does. Maybe elaborate a bit here (e.g. similar to the commit
message, that explains it quite well)

> +    let mut found = false;

`found` what? (e.g maybe call it `found_probed_node` or sth :) )
> +    for node in result.nodes.iter_mut() {
> +        if node.hostname == hostname {
> +            if fingerprint.is_none() {
> +                node.fingerprint = None;
> +            }
> +            found = true;
> +            continue;
> +        }
> +        if node.fingerprint.as_ref().map(|fp| fp.to_uppercase())
> +            == fingerprint.as_ref().map(|fp| fp.to_uppercase())
> +        {
> +            found = true;
> +            node.hostname = hostname.clone();
> +            continue;
> +        }
> +    }
> +    if !found {
> +        result.nodes.insert(
> +            0,
> +            PropertyString::new(NodeUrl {
> +                hostname,
> +                fingerprint: fingerprint.map(|fp| fp.to_uppercase()),
> +            }),
> +        );
> +    }
>      result.nodes.sort_by(|a, b| a.hostname.cmp(&b.hostname));
>      Ok(result)
>  }