[pve-devel] [PATCH pve_installer v2] tui: don't abort install if min ram requirement is not met

[Christoph Heiss]

On Fri, Jul 07, 2023 at 01:53:46PM +0200, Noel Ullreich wrote:
> [..]
>
> diff --git a/proxmox-tui-installer/src/main.rs b/proxmox-tui-installer/src/main.rs
> index 64f21fa..99a4a11 100644
> --- a/proxmox-tui-installer/src/main.rs
> +++ b/proxmox-tui-installer/src/main.rs
> @@ -209,6 +209,8 @@ fn main() {
>          in_test_mode,
>      });
>
> +    installer_setup_late(&mut siv);
> +
Please remove this, it does not have any (visible) effect here anyway.
installer_setup_late() is already called by switch_to_next_screen(),
as otherwise dialogs will get layered over it by the main content.

>      switch_to_next_screen(&mut siv, InstallerStep::Licence, &license_dialog);
>      siv.run();
>  }
> @@ -243,8 +245,6 @@ fn installer_setup(in_test_mode: bool) -> Result<(LocaleInfo, RuntimeInfo), Stri
>              .map_err(|err| format!("Failed to retrieve runtime environment info: {err}"))?
>      };
>
> -    system::has_min_requirements(&runtime_info)?;
> -
>      runtime_info.disks.sort();
>      if runtime_info.disks.is_empty() {
>          Err("The installer could not find any supported hard disks.".to_owned())
> @@ -256,6 +256,7 @@ fn installer_setup(in_test_mode: bool) -> Result<(LocaleInfo, RuntimeInfo), Stri
>  /// Anything that can be done late in the setup and will not result in fatal errors.
>  fn installer_setup_late(siv: &mut Cursive) {
>      let state = siv.user_data::<InstallerState>().unwrap();
> +    let mem = state.runtime_info.total_memory;
Nit: Can be folded into the `if` condition directly. It isn't terribly
long nor the condition complicated, and it results in a nice "isolated"
block.

>
>      if !state.in_test_mode {
>          let kmap_id = &state.options.timezone.kb_layout;
> @@ -266,6 +267,15 @@ fn installer_setup_late(siv: &mut Cursive) {
>          }
>      }
>
> +    if mem < 1024 {
> +            display_setup_warning(
> +                siv,
> +                concat!(
> +                "Less than 1 GiB of usable memory detected, installation will probably fail.\n\n",
> +                "See 'System Requirements' in the documentation."),
> +            );
> +        }
Formatting is completely off here - just let rustfmt have a go at it :^)

> +
>      if setup_info().config.product == setup::ProxmoxProduct::PVE {
>          let cpu_hvm = procfs::read_cpuinfo().map(|info| info.hvm).unwrap_or(false);
>          if !cpu_hvm {
> diff --git a/proxmox-tui-installer/src/system.rs b/proxmox-tui-installer/src/system.rs
> index baceab9..7378dba 100644
> --- a/proxmox-tui-installer/src/system.rs
> +++ b/proxmox-tui-installer/src/system.rs
> @@ -1,18 +1,6 @@
>  use std::{fs::OpenOptions, io::Write, process::Command};
>
> -use crate::setup::{KeyboardMapping, RuntimeInfo};
> -
> -pub fn has_min_requirements(info: &RuntimeInfo) -> Result<(), String> {
> -    if info.total_memory < 1024 {
> -        return Err(concat!(
> -            "Less than 1 GiB of usable memory detected, installation will probably fail.\n\n",
> -            "See 'System Requirements' in the documentation."
> -        )
> -        .to_owned());
> -    }
> -
> -    Ok(())
> -}
> +use crate::setup::{KeyboardMapping};
Nit: Drop the extra { } pair. Something like that is also automatically
fixed by rustfmt.

>
>  pub fn set_keyboard_layout(kmap: &KeyboardMapping) -> Result<(), String> {
>      Command::new("setxkbmap")
> --
> 2.39.2
>
>
>
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