fix: made targets plural and changed scrape targets to option in AlertingInterpret

harmony/src/domain/topology/oberservability/monitoring.rs

@@ -21,7 +21,7 @@ pub struct AlertingInterpret<S: AlertSender> {
     pub sender: S,
     pub receivers: Vec<Box<dyn AlertReceiver<S>>>,
     pub rules: Vec<Box<dyn AlertRule<S>>>,
-    pub scrape_target: Vec<Box<dyn ScrapeTarget<S>>>,
+    pub scrape_targets: Option<Vec<Box<dyn ScrapeTarget<S>>>>,
 }
 
 #[async_trait]
@@ -39,10 +39,12 @@ impl<S: AlertSender + Installable<T>, T: Topology> Interpret<T> for AlertingInte
             debug!("installing rule: {:#?}", rule);
             rule.install(&self.sender).await?;
         }
-        for target in self.scrape_target.iter() {
+        if let Some(targets) = &self.scrape_targets {
+            for target in targets.iter() {
                 debug!("installing scrape_target: {:#?}", target);
                 target.install(&self.sender).await?;
             }
+        }
         self.sender.ensure_installed(inventory, topology).await?;
         Ok(Outcome::success(format!(
             "successfully installed alert sender {}",

harmony/src/modules/monitoring/kube_prometheus/helm_prometheus_alert_score.rs

@@ -31,7 +31,7 @@ impl<T: Topology + HelmCommand + TenantManager> Score<T> for HelmPrometheusAlert
             sender: KubePrometheus { config },
             receivers: self.receivers.clone(),
             rules: self.rules.clone(),
-            scrape_target: vec![],
+            scrape_targets: None,
         })
     }
     fn name(&self) -> String {