Add target filtering for logs

examples/sample-app/src/main.rs

@@ -88,7 +88,7 @@ async fn main() {
                 STATIC_METRICS.updown_counter.add(val * -1.0, &[]);
             }
             STATIC_METRICS.observable_gauge.observe(iteration, &[]);
-            info!("iteration: {iteration}");
+            info!("iteration: {}", iteration);
             sleep(Duration::from_micros(100)).await;
         }
         info!("Done. Please hit [Ctrl+C] to exit");

src/config.rs

@@ -88,12 +88,28 @@ pub struct LogsExportTarget {
     pub timeout: u64,
     /// export severity - severity >= which to export
     pub export_severity: Option<Severity>,
+    /// target name filters - only export logs that match these exact target names. If None, exports all logs.
+    pub target_filters: Option<Vec<String>>,
     /// path to root ca cert
     pub ca_cert_path: Option<String>,
     /// a fn that provides the bearer token, which will be called to get the token for each export request
     pub bearer_token_provider_fn: Option<fn() -> String>,
 }
 
+impl Default for LogsExportTarget {
+    fn default() -> Self {
+        Self {
+            url: String::new(),
+            interval_secs: 30,
+            timeout: 5,
+            export_severity: None,
+            target_filters: None,
+            ca_cert_path: None,
+            bearer_token_provider_fn: None,
+        }
+    }
+}
+
 #[derive(Clone, Debug)]
 pub struct Attribute {
     pub key: String,
@@ -147,8 +163,8 @@ mod tests {
             interval_secs: 1,
             timeout: 5,
             export_severity: Some(Severity::Error),
-            ca_cert_path: None,
             bearer_token_provider_fn: Some(get_dummy_auth_token),
+            ..Default::default()
         }];
 
         let config = Config {