[feat] - add svcmonitors

internal/analyzers/prometheus.go

@@ -62,11 +62,22 @@ func RunPrometheusAnalyzer(ctx context.Context, clientSets *k8sutil.ClientSets,
 		"ServiceMonitorNamespaceSelector":  prometheus.Spec.ServiceMonitorNamespaceSelector,
 		"ScrapeConfigNamespaceSelector":    prometheus.Spec.ScrapeConfigNamespaceSelector,
 		"ProbeNamespaceSelector":           prometheus.Spec.ProbeNamespaceSelector,
-		"RuleNamespaceSelector":            prometheus.Spec.RuleNamespaceSelector,
+		//"RuleNamespaceSelector":            prometheus.Spec.RuleNamespaceSelector,
 	}
 
 	if !checkPrometheusNamespaceSelectorsStatus(namespaceSelectors) {
-		return fmt.Errorf("Validation failed")
+		return fmt.Errorf("Namespace Selectors Validation failed")
+	} 
+
+	serviceSelectors := map[string]interface{}{
+		"ServiceMonitorSelector":      prometheus.Spec.ServiceMonitorSelector,
+		"PodMonitorSelector":          prometheus.Spec.PodMonitorSelector,
+		"ProbeSelector":               prometheus.Spec.ProbeSelector,
+		"ScrapeConfigSelector":        prometheus.Spec.ScrapeConfigSelector,
+	}
+
+	if !checkPrometheusServiceSelectorsStatus(serviceSelectors) {
+		return fmt.Errorf("Service Selectors Validation failed")
 	} 
 
 	slog.Info("Prometheus is compliant, no issues found", "name", name, "namespace", namespace)
@@ -186,3 +197,23 @@ func checkPrometheusNamespaceSelectorsStatus(namespaceSelectors map[string]inter
 
 	return false
 }
+
+func checkPrometheusServiceSelectorsStatus(serviceSelectors map[string]interface{}) bool {
+	//var emptServiceSelectors []string
+	selectorCount := 0
+
+	for selectorName, selector := range serviceSelectors {
+		if selector == nil {
+			fmt.Printf("No %s is defined, defaulting to the same namespace of Prometheus\n", selectorName)
+			selectorCount++
+			return false
+		}
+	}
+	if selectorCount == 4{
+		fmt.Printf("Neither serviceMonitorSelector nor podMonitorSelector, nor probeSelector, not scrapeConfigSelector specified - use additionalScrapeConfigs instead \n")
+		return false
+	}
+   // TODO, add validations for when selectors != nil
+
+	return false
+}