Add check if os route group is available (#761)

* Add check if os route group is available

* Update pkg/kube/discover.go

Co-authored-by: Prasad Ghangal <prasad.ghangal@gmail.com>

Co-authored-by: Prasad Ghangal <prasad.ghangal@gmail.com>

pkg/kube/discover.go

@@ -7,7 +7,10 @@ import (
 	"k8s.io/client-go/discovery"
 )
 
-const osAppsGroupName = `apps.openshift.io`
+const (
+	osAppsGroupName  = `apps.openshift.io`
+	osRouteGroupName = `route.openshift.io/v1`
+)
 
 // IsOSAppsGroupAvailable returns true if the openshift apps group is registered in service discovery.
 func IsOSAppsGroupAvailable(ctx context.Context, cli discovery.DiscoveryInterface) (bool, error) {
@@ -23,6 +26,20 @@ func IsOSAppsGroupAvailable(ctx context.Context, cli discovery.DiscoveryInterfac
 	return false, nil
 }
 
+// IsOSRouteGroupAvailable returns true is the openshift route group is registered in service discovery
+func IsOSRouteGroupAvailable(ctx context.Context, cli discovery.DiscoveryInterface) (bool, error) {
+	sgs, err := cli.ServerGroups()
+	if err != nil {
+		return false, err
+	}
+	for _, g := range sgs.Groups {
+		if g.Name == osRouteGroupName {
+			return true, nil
+		}
+	}
+	return false, nil
+}
+
 // IsGroupVersionAvailable returns true if given group/version is registered.
 func IsGroupVersionAvailable(ctx context.Context, cli discovery.DiscoveryInterface, groupName, version string) (bool, error) {
 	sgs, err := cli.ServerGroups()