[rust] Selenium Manager log level (#13566)

Author: bonigarcia

rust/src/logger.rs

@@ -15,17 +15,18 @@
 // specific language governing permissions and limitations
 // under the License.
 
-use crate::config::BooleanKey;
+use crate::config::{BooleanKey, StringKey};
 use crate::metadata::now_unix_timestamp;
 use env_logger::Target::Stdout;
 use env_logger::DEFAULT_FILTER_ENV;
-use log::Level;
 use log::LevelFilter::{Debug, Info, Trace};
+use log::{Level, LevelFilter};
 use serde::{Deserialize, Serialize};
 use std::cell::RefCell;
 use std::env;
 use std::fmt::Display;
 use std::ops::Deref;
+use std::str::FromStr;
 
 pub const DRIVER_PATH: &str = "Driver path: ";
 pub const BROWSER_PATH: &str = "Browser path: ";
@@ -71,10 +72,11 @@ impl Logger {
     pub fn new() -> Self {
         let debug = BooleanKey("debug", false).get_value();
         let trace = BooleanKey("trace", false).get_value();
-        Logger::create("", debug, trace)
+        let log_level = StringKey(vec!["log-level"], "").get_value();
+        Logger::create("", debug, trace, &log_level)
     }
 
-    pub fn create(output: &str, debug: bool, trace: bool) -> Self {
+    pub fn create(output: &str, debug: bool, trace: bool, log_level: &str) -> Self {
         let output_type;
         if output.eq_ignore_ascii_case("json") {
             output_type = OutputType::Json;
@@ -86,13 +88,18 @@ impl Logger {
         match output_type {
             OutputType::Logger => {
                 if env::var(DEFAULT_FILTER_ENV).unwrap_or_default().is_empty() {
-                    let mut filter = match debug {
-                        true => Debug,
-                        false => Info,
+                    let filter = if !log_level.is_empty() {
+                        LevelFilter::from_str(log_level).unwrap_or(Info)
+                    } else {
+                        let mut filter = match debug {
+                            true => Debug,
+                            false => Info,
+                        };
+                        if trace {
+                            filter = Trace;
+                        }
+                        filter
                     };
-                    if trace {
-                        filter = Trace
-                    }
                     env_logger::Builder::new()
                         .filter_module(env!("CARGO_CRATE_NAME"), filter)
                         .target(Stdout)

rust/src/main.rs

@@ -122,6 +122,10 @@ struct Cli {
     #[clap(long)]
     trace: bool,
 
+    /// Level for output messages. The possible values are: info, debug, trace, warn, error
+    #[clap(long)]
+    log_level: Option<String>,
+
     /// Offline mode (i.e., disabling network requests and downloads)
     #[clap(long)]
     offline: bool,
@@ -151,7 +155,8 @@ fn main() {
 
     let debug = cli.debug || BooleanKey("debug", false).get_value();
     let trace = cli.trace || BooleanKey("trace", false).get_value();
-    let log = Logger::create(&cli.output, debug, trace);
+    let log_level = StringKey(vec!["log-level"], &cli.log_level.unwrap_or_default()).get_value();
+    let log = Logger::create(&cli.output, debug, trace, &log_level);
     let grid = cli.grid;
     let mut browser_name: String = cli.browser.unwrap_or_default();
     let mut driver_name: String = cli.driver.unwrap_or_default();