[pdm-devel] [PATCH datacenter-manager] fix #7120: remote updates: drop vanished nodes/remotes from cache file

[Samuel Rufinatscha]

On 1/8/26 2:06 PM, Lukas Wagner wrote:
> This commits makes sure that vanished remotes and remote cluster nodes
> are dropped from the remote updates cache file. This happens whenever
> the cache file is fully refreshed, either by the periodic update task,
> or by pressing "Refresh All" in the UI.
> 
> Signed-off-by: Lukas Wagner <l.wagner at proxmox.com>
> ---
>   server/src/remote_updates.rs | 10 ++++++++++
>   1 file changed, 10 insertions(+)
> 
> diff --git a/server/src/remote_updates.rs b/server/src/remote_updates.rs
> index e772eef5..0490d28e 100644
> --- a/server/src/remote_updates.rs
> +++ b/server/src/remote_updates.rs
> @@ -214,6 +214,11 @@ pub async fn refresh_update_summary_cache(remotes: Vec<Remote>) -> Result<(), Er
>   
>       let mut content = get_cached_summary_or_default()?;
>   
> +    // Clean out any remotes that might have been removed from the remote config in the meanwhile.
> +    content
> +        .remotes
> +        .retain(|remote, _| fetch_results.remote_results.contains_key(remote));
> +
>       for (remote_name, result) in fetch_results.remote_results {
>           let entry = content
>               .remotes
> @@ -234,6 +239,11 @@ pub async fn refresh_update_summary_cache(remotes: Vec<Remote>) -> Result<(), Er
>               Ok(remote_result) => {
>                   entry.status = RemoteUpdateStatus::Success;
>   
> +                // Clean out any nodes that might have been removed from the cluster in the meanwhile.
> +                entry
> +                    .nodes
> +                    .retain(|name, _| remote_result.node_results.contains_key(name));
> +
>                   for (node_name, node_result) in remote_result.node_results {
>                       match node_result {
>                           Ok(NodeResults { data, .. }) => {

Patch looks good to me! I could reproduce the issue and can confirm
the patch works. After the patch,
/var/cache/proxmox-datacenter-manager/remote-updates.json no
longer shows the removed remote when running "Refresh All".

Reviewed-by: Samuel Rufinatscha <s.rufinatscha at proxmox.com>
Tested-by: Samuel Rufinatscha <s.rufinatscha at proxmox.com>