wip: otel flaky test

Signed-off-by: José Guilherme Vanz <jguilhermevanz@suse.com>

Author: jvanz

tests/data/otel-collector-config.yaml

@@ -17,14 +17,16 @@ exporters:
     path: /tmp/metrics.json
   file/traces:
     path: /tmp/traces.json
+  debug:
+    verbosity: detailed
 
 service:
   pipelines:
     metrics:
       receivers: [otlp]
       processors: []
-      exporters: [file/metrics]
+      exporters: [file/metrics, debug]
     traces:
       receivers: [otlp]
       processors: []
-      exporters: [file/traces]
+      exporters: [file/traces, debug]

tests/integration_test.rs

@@ -955,11 +955,22 @@ async fn test_otel() {
         .with_max_delay(Duration::from_secs(30))
         .with_max_times(5);
 
-    let metrics_output_json =
-        (|| async { parse_exporter_output(metrics_output_file.as_file()).await })
-            .retry(exponential_backoff)
-            .await
-            .unwrap();
+    let metrics_output_json = (|| async {
+        let out = otelc.stdout_to_vec().await.unwrap();
+        println!(
+            "stdout: {}",
+            String::from_utf8(out).unwrap_or("cannot get stdout".to_string())
+        );
+        let out = otelc.stderr_to_vec().await.unwrap();
+        println!(
+            "stderr: {}",
+            String::from_utf8(out).unwrap_or("cannot get stderr".to_string())
+        );
+        parse_exporter_output(metrics_output_file.as_file()).await
+    })
+    .retry(exponential_backoff)
+    .await
+    .unwrap();
     let metrics = &metrics_output_json["resourceMetrics"][0]["scopeMetrics"][0];
     assert_eq!(metrics["scope"]["name"], "kubewarden");
     assert!(