Method init_global

libs/@local/telemetry/src/lib.rs:227–245

Initialize the telemetry setup. # Errors - [`InitTracingError`], if initializing the [`tracing_subscriber::Registry`] fails.

(self)

    ///
    /// - [`InitTracingError`], if initializing the [`tracing_subscriber::Registry`] fails.
    pub fn init_global(self) -> Result<impl Drop, Report<InitTracingError>> {
        let (registry, guard) = self.build()?;

        registry.try_init().change_context(InitTracingError)?;

        // We have to wait until logging is initialized before we can print the warning.
        if std::env::var("RUST_LOG").is_ok() {
            if std::env::var("HASH_GRAPH_LOG_LEVEL").is_ok() {
                warn!(
                    "`HASH_GRAPH_LOG_LEVEL` and `RUST_LOG` are set, `HASH_GRAPH_LOG_LEVEL` has \
                     been used to determine the logging level."
                );
            } else {
                warn!("`RUST_LOG` is set, please use `HASH_GRAPH_LOG_LEVEL` instead");
            }
        }

        Ok(guard)
    }
}

struct TelemetryGuard<F> {