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From: Wolfgang Bumiller <w.bumiller@proxmox.com>
To: Gabriel Goller <g.goller@proxmox.com>
Cc: pbs-devel@lists.proxmox.com
Subject: Re: [pbs-devel] [PATCH] add tracing init_cli_logger and remove old one
Date: Thu, 29 Aug 2024 14:07:22 +0200	[thread overview]
Message-ID: <7d35slejawuvnf4nuicognsaz4fda6va4j4et3b23bixcchusy@hepepz24gery> (raw)
In-Reply-To: <20240821101919.217238-1-g.goller@proxmox.com>

On Wed, Aug 21, 2024 at 12:19:18PM GMT, Gabriel Goller wrote:
> Remove the proxmox-router init_cli_logger function used in client
> binaries such as `proxmox-backup-client`, `proxmox-backup-manager`,
> 'pxar', etc...
> Add a new init_cli_logger function that uses tracing instead of
> env_logger. It checks if the task is in a workertask and prints the
> message either to stdout or to the tasklog (this is neccessary for
> commands in proxmox-backup-manager that call api handlers that start
> workerthreads from the client).
> 
> Signed-off-by: Gabriel Goller <g.goller@proxmox.com>
> ---
>  proxmox-log/src/lib.rs        | 37 ++++++++++++++++++++++++++++++++++-
>  proxmox-router/src/cli/mod.rs | 13 ------------
>  2 files changed, 36 insertions(+), 14 deletions(-)
> 
> diff --git a/proxmox-log/src/lib.rs b/proxmox-log/src/lib.rs
> index 796d10145b9e..806d16a68d32 100644
> --- a/proxmox-log/src/lib.rs
> +++ b/proxmox-log/src/lib.rs
> @@ -8,7 +8,8 @@ use std::sync::{Arc, Mutex};
>  use tokio::task::futures::TaskLocalFuture;
>  use tracing::Level;
>  use tracing_log::{AsLog, LogTracer};
> -use tracing_subscriber::filter::{filter_fn, LevelFilter};
> +use tracing_subscriber::filter::filter_fn;
> +pub use tracing_subscriber::filter::LevelFilter;

`pub use` should be a separate block after all the imports.

>  use tracing_subscriber::prelude::*;
>  
>  use tasklog_layer::TasklogLayer;
> @@ -125,3 +126,37 @@ impl LogContext {
>          &self.logger
>      }
>  }
> +
> +/// Initialize default logger for CLI binaries
> +pub fn init_cli_logger(
> +    env_var_name: &str,
> +    default_log_level: LevelFilter,
> +) -> Result<(), anyhow::Error> {
> +    let mut log_level = default_log_level;
> +    if let Ok(v) = env::var(env_var_name) {
> +        if let Ok(l) = v.parse::<LevelFilter>() {
> +            log_level = l;
> +        }

Since we're on the CLI here, I think it makes sense to warn about an
explicitly set but unparseable env var via stderr/eprintln.

> +    }
> +
> +    let format = tracing_subscriber::fmt::format()
> +        .with_level(false)
> +        .without_time()
> +        .with_target(false)
> +        .compact();
> +
> +    let registry = tracing_subscriber::registry()
> +        .with(
> +            tracing_subscriber::fmt::layer()
> +                .event_format(format)
> +                .with_filter(filter_fn(|metadata| {
> +                    !LogContext::exists() || *metadata.level() >= Level::ERROR
> +                }))
> +                .with_filter(log_level),
> +        )
> +        .with(TasklogLayer {}.with_filter(log_level));
> +
> +    tracing::subscriber::set_global_default(registry)?;
> +    LogTracer::init_with_filter(log_level.as_log())?;
> +    Ok(())
> +}
> diff --git a/proxmox-router/src/cli/mod.rs b/proxmox-router/src/cli/mod.rs
> index 3cc41ab3ea94..148edb467494 100644
> --- a/proxmox-router/src/cli/mod.rs
> +++ b/proxmox-router/src/cli/mod.rs
> @@ -57,19 +57,6 @@ pub use readline::*;
>  /// return a list of all possible values.
>  pub type CompletionFunction = fn(&str, &HashMap<String, String>) -> Vec<String>;
>  
> -/// Initialize default logger for CLI binaries

Since this is a breaking change, instead of removing this right away,
please add a

    #[deprecated = "use proxmox_log::init_cli_logger instead")]

attribute instead.

> -pub fn init_cli_logger(env_var_name: &str, default_log_level: &str) {
> -    env_logger::Builder::from_env(
> -        env_logger::Env::new().filter_or(env_var_name, default_log_level),
> -    )
> -    .write_style(env_logger::WriteStyle::Never)
> -    .format_level(false)
> -    .format_module_path(false)
> -    .format_target(false)
> -    .format_timestamp(None)
> -    .init();
> -}
> -
>  #[derive(Clone, Copy, PartialEq, Eq, Debug)]
>  /// Use for simple yes or no questions, where booleans can be confusing, especially if there's a
>  /// default response to consider. The implementation provides query helper for the CLI.
> -- 
> 2.39.2


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  parent reply	other threads:[~2024-08-29 12:07 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-21 10:19 Gabriel Goller
2024-08-21 10:19 ` [pbs-devel] [PATCH proxmox-backup] move client binaries to tracing Gabriel Goller
2024-08-29 12:07 ` Wolfgang Bumiller [this message]
2024-08-29 13:39   ` [pbs-devel] [PATCH] add tracing init_cli_logger and remove old one Gabriel Goller

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