[pve-devel] [PATCH proxmox-ve-rs v2 1/1] config: guest: store network devices in BTreeMap

[Hannes Laimer]

On 9/25/25 14:22, Stefan Hanreich wrote:
> Enables iterating over the network devices in order, without
> performing any additional sorting at the call sites. This makes the
> output in proxmox-firewall stable, which is useful for test cases as
> well as for comparing the output of different proxmox-firewall runs.
> 

Are we actually explicitly sorting anywhere? I didn't really find any
places. If there should be, we can drop those. Nonetheless this makes a
lot if sense.

> Signed-off-by: Stefan Hanreich <s.hanreich at proxmox.com>
> ---
>   proxmox-ve-config/src/guest/vm.rs | 8 ++++----
>   1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/proxmox-ve-config/src/guest/vm.rs b/proxmox-ve-config/src/guest/vm.rs
> index cc97781..baff1b8 100644
> --- a/proxmox-ve-config/src/guest/vm.rs
> +++ b/proxmox-ve-config/src/guest/vm.rs
> @@ -1,4 +1,4 @@
> -use std::collections::HashMap;
> +use std::collections::BTreeMap;
>   use std::io;
>   use std::str::FromStr;
>   
> @@ -278,7 +278,7 @@ impl FromStr for NetworkDevice {
>   #[derive(Debug, Default)]
>   #[cfg_attr(test, derive(Eq, PartialEq))]
>   pub struct NetworkConfig {
> -    network_devices: HashMap<i64, NetworkDevice>,
> +    network_devices: BTreeMap<i64, NetworkDevice>,
>   }
>   
>   impl NetworkConfig {
> @@ -300,12 +300,12 @@ impl NetworkConfig {
>           bail!("No index found in net key string: {key}")
>       }
>   
> -    pub fn network_devices(&self) -> &HashMap<i64, NetworkDevice> {
> +    pub fn network_devices(&self) -> &BTreeMap<i64, NetworkDevice> {
>           &self.network_devices
>       }
>   
>       pub fn parse<R: io::BufRead>(input: R) -> Result<Self, Error> {
> -        let mut network_devices = HashMap::new();
> +        let mut network_devices = BTreeMap::new();
>   
>           for line in input.lines() {
>               let line = line?;