Rust: add verbosity and flamegraph as extractor options

rust/codeql-extractor.yml

@@ -54,3 +54,27 @@ options:
       Comma-separated list of cfg settings to enable, or disable if prefixed with `-`.
       Can be repeated.
     type: array
+  logging:
+    title: Options pertaining to logging.
+    type: object
+    properties:
+      verbosity:
+        title: Extractor logging verbosity level.
+        description: >
+          Controls the level of verbosity of the extractor.
+          The supported levels are (in order of increasing verbosity):
+            - off
+            - errors
+            - warnings
+            - info or progress
+            - debug or progress+
+            - trace or progress++
+            - progress+++
+        type: string
+        pattern: "^(off|errors|warnings|(info|progress)|(debug|progress\\+)|(trace|progress\\+\\+)|progress\\+\\+\\+)$"
+      flamegraph:
+        title: "[Experimental] File path for write flame graph log"
+        description: >
+          Collect flame graph data using the `tracing-flame` crate. To render a flame graph
+          or chart, run the `inferno-flamegraph` command. See also: https://crates.io/crates/tracing-flame
+        type: string

rust/extractor/src/config.rs

@@ -50,8 +50,8 @@ pub struct Config {
     pub cargo_target: Option<String>,
     pub cargo_features: Vec<String>,
     pub cargo_cfg_overrides: Vec<String>,
-    pub flame_log: Option<PathBuf>,
-    pub verbosity: Option<String>,
+    pub logging_flamegraph: Option<PathBuf>,
+    pub logging_verbosity: Option<String>,
     pub compression: Compression,
     pub inputs: Vec<PathBuf>,
     pub qltest: bool,
@@ -65,7 +65,13 @@ impl Config {
             .context("expanding parameter files")?;
         let cli_args = CliConfig::parse_from(args);
         let mut figment = Figment::new()
-            .merge(Env::prefixed("CODEQL_"))
+            .merge(Env::raw().filter_map(|f| {
+                if f.eq("CODEQL_VERBOSITY") {
+                    Some("LOGGING_VERBOSITY".into())
+                } else {
+                    None
+                }
+            }))
             .merge(Env::prefixed("CODEQL_EXTRACTOR_RUST_"))
             .merge(Env::prefixed("CODEQL_EXTRACTOR_RUST_OPTION_"))
             .merge(Serialized::defaults(cli_args));

rust/extractor/src/main.rs

@@ -186,7 +186,7 @@ fn main() -> anyhow::Result<()> {
         qltest::prepare(&mut cfg)?;
     }
     let start = Instant::now();
-    let (flame_layer, _flush_guard) = if let Some(path) = &cfg.flame_log {
+    let (flame_layer, _flush_guard) = if let Some(path) = &cfg.logging_flamegraph {
         tracing_flame::FlameLayer::with_file(path)
             .ok()
             .map(|(a, b)| (Some(a), Some(b)))
@@ -198,7 +198,7 @@ fn main() -> anyhow::Result<()> {
     tracing_subscriber::registry()
         .with(codeql_extractor::extractor::default_subscriber_with_level(
             "single_arch",
-            &cfg.verbosity,
+            &cfg.logging_verbosity,
         ))
         .with(flame_layer)
         .init();