OCPBUGS-55317: Skip GatewayAPIController tests on clusters without OLM capabilities

This ensures GatewayAPIController tests are only run on clusters
where OLM and related capabilities are available.

Author: alebedev87

test/extended/router/gatewayapicontroller.go

@@ -26,6 +26,13 @@ import (
 	gatewayapiclientset "sigs.k8s.io/gateway-api/pkg/client/clientset/versioned"
 )
 
+var (
+	requiredCapabilities = []configv1.ClusterVersionCapability{
+		configv1.ClusterVersionCapabilityMarketplace,
+		configv1.ClusterVersionCapabilityOperatorLifecycleManager,
+	}
+)
+
 var _ = g.Describe("[sig-network-edge][OCPFeatureGate:GatewayAPIController][Feature:Router][apigroup:gateway.networking.k8s.io]", g.Ordered, g.Serial, func() {
 	defer g.GinkgoRecover()
 	var (
@@ -73,14 +80,24 @@ var _ = g.Describe("[sig-network-edge][OCPFeatureGate:GatewayAPIController][Feat
 			g.Skip(fmt.Sprintf("Skipping on non cloud platform type %q", platformType))
 		}
 
+		capsEnabled, err := requiredCapabilitiesEnabled(oc)
+		if err != nil {
+			e2e.Failf("Failed to check required cluster capabilities: %v", err)
+		}
+		if !capsEnabled {
+			// GatewayAPIController relies on OSSM OLM operator.
+			// Skipping on cluster which doesn't have required capabilities
+			// to install an OLM operator.
+			g.Skip(fmt.Sprintf("Skipping on cluster without all required capabilities: %v", requiredCapabilities))
+		}
+
 		gwapiClient := gatewayapiclientset.NewForConfigOrDie(oc.AdminConfig())
 		// create the default gatewayClass
 		gatewayClass := buildGatewayClass(gatewayClassName, gatewayClassControllerName)
 		_, err = gwapiClient.GatewayV1().GatewayClasses().Create(context.TODO(), gatewayClass, metav1.CreateOptions{})
 		if err != nil && !apierrors.IsAlreadyExists(err) {
 			e2e.Failf("Failed to create GatewayClass %q", gatewayClassName)
 		}
-
 	})
 
 	g.AfterAll(func() {
@@ -559,3 +576,24 @@ func isOKD(oc *exutil.CLI) (bool, error) {
 	}
 	return false, nil
 }
+
+// requiredCapabilitiesEnabled verifies if all the necessary capabilities
+// for running GatewayAPIController are enabled on the cluster.
+func requiredCapabilitiesEnabled(oc *exutil.CLI) (bool, error) {
+	cv, err := exutil.GetClusterVersion(context.TODO(), oc.AdminConfig())
+	if err != nil {
+		return false, err
+	}
+
+	capFound := 0
+	for _, rc := range requiredCapabilities {
+		for _, ec := range cv.Status.Capabilities.EnabledCapabilities {
+			if rc == ec {
+				capFound++
+				break
+			}
+		}
+	}
+
+	return len(requiredCapabilities) == capFound, nil
+}