feat(teams) Add members to team status (#723)

cmd/greenhouse/controllers.go

@@ -23,6 +23,7 @@ var knownControllers = map[string]func(controllerName string, mgr ctrl.Manager)
 	"organizationController": startOrganizationReconciler,
 
 	// Team controllers.
+	"teamController":  (&teamcontrollers.TeamReconciler{}).SetupWithManager,
 	"teamPropagation": (&teamcontrollers.TeamPropagationReconciler{}).SetupWithManager,
 
 	// TeamMembership controllers.

pkg/controllers/team/team_controller.go

@@ -0,0 +1,78 @@
+package team
+
+import (
+	"context"
+
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/client-go/tools/record"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+
+	greenhouseapisv1alpha1 "github.com/cloudoperators/greenhouse/pkg/apis/greenhouse/v1alpha1"
+	"github.com/cloudoperators/greenhouse/pkg/lifecycle"
+)
+
+type TeamReconciler struct {
+	client.Client
+	recorder record.EventRecorder
+}
+
+// SetupWithManager sets up the controller with the Manager.
+func (r *TeamReconciler) SetupWithManager(name string, mgr ctrl.Manager) error {
+	r.Client = mgr.GetClient()
+	r.recorder = mgr.GetEventRecorderFor(name)
+	return ctrl.NewControllerManagedBy(mgr).
+		Named(name).
+		For(&greenhouseapisv1alpha1.Team{}).
+		Complete(r)
+}
+
+func (r *TeamReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
+	return lifecycle.Reconcile(ctx, r.Client, req.NamespacedName, &greenhouseapisv1alpha1.Team{}, r, r.setStatus())
+}
+
+func (r *TeamReconciler) EnsureDeleted(_ context.Context, _ lifecycle.RuntimeObject) (ctrl.Result, lifecycle.ReconcileResult, error) {
+	return ctrl.Result{}, lifecycle.Success, nil
+}
+
+func (r *TeamReconciler) EnsureCreated(ctx context.Context, object lifecycle.RuntimeObject) (ctrl.Result, lifecycle.ReconcileResult, error) {
+	return ctrl.Result{}, lifecycle.Success, nil
+}
+
+func (r *TeamReconciler) setStatus() lifecycle.Conditioner {
+	return func(ctx context.Context, object lifecycle.RuntimeObject) {
+		team, ok := object.(*greenhouseapisv1alpha1.Team)
+		if !ok {
+			return
+		}
+
+		var members []greenhouseapisv1alpha1.User
+		teamMembershipList := new(greenhouseapisv1alpha1.TeamMembershipList)
+
+		err := r.List(ctx, teamMembershipList)
+		if err != nil {
+			ctrl.Log.Error(err, "Failed to list team memberships")
+			return
+		}
+
+		for _, member := range teamMembershipList.Items {
+			if !hasOwnerReference(member.OwnerReferences, team.Kind, team.Name) {
+				continue
+			}
+
+			members = append(members, member.Spec.Members...)
+		}
+
+		team.Status.Members = members
+	}
+}
+
+func hasOwnerReference(ownerReferences []v1.OwnerReference, kind, name string) bool {
+	for _, ownerReference := range ownerReferences {
+		if ownerReference.Kind == kind && ownerReference.Name == name {
+			return true
+		}
+	}
+
+	return false
+}