feat: reconcile but dont make deployments label (suuuper useful for t…

…esting w/out spawning a bunch of stuff)

constants/labels.go

@@ -59,6 +59,10 @@ const (
 	// Note that this basically ignored during deletion since our controller doest do anything in
 	// the delete case (owner reference handles clean up).
 	LabelIgnoreReconcile = "clabernetes/ignoreReconcile"
+
+	// LabelDisableDeployments indicates that controller should reconcile normally but not create
+	// update or delete any deployments.
+	LabelDisableDeployments = "clabernetes/disableDeployments"
 )
 
 const (

constants/launcher.go

@@ -50,4 +50,8 @@ const (
 	// NodeStatusUnknown is reported in the topology.status.nodereadiness map for nodes that have
 	// no deployment available for whatever reason.
 	NodeStatusUnknown = "unknown"
+
+	// NodeStatusDeploymentDisabled is reported in the topology.status.nodereadiness map when the
+	// parent topology has the "clabernetes/disableDeployments" label set.
+	NodeStatusDeploymentDisabled = "deploymentDisabled"
 )

controllers/topology/reconciler.go

@@ -770,7 +770,7 @@ func (r *Reconciler) reconcileDeploymentsHandleRestarts(
 }
 
 // ReconcileDeployments reconciles the deployments that make up a clabernetes Topology.
-func (r *Reconciler) ReconcileDeployments( //nolint: gocyclo
+func (r *Reconciler) ReconcileDeployments( //nolint: gocyclo,funlen
 	ctx context.Context,
 	owningTopology *clabernetesapisv1alpha1.Topology,
 	reconcileData *ReconcileData,
@@ -789,6 +789,21 @@ func (r *Reconciler) ReconcileDeployments( //nolint: gocyclo
 		return err
 	}
 
+	_, disableDeployments := owningTopology.ObjectMeta.Labels[clabernetesconstants.LabelDisableDeployments] //nolint:lll
+	if disableDeployments {
+		r.Log.Warn("skipping reconciling deployments due to disable deployments label set")
+
+		apimachinerymeta.SetStatusCondition(&owningTopology.Status.Conditions, metav1.Condition{
+			Type:   "TopologyReady",
+			Status: "False",
+			Reason: clabernetesconstants.NodeStatusDeploymentDisabled,
+			Message: "topology has 'clabernetes/disableDeployments' label set," +
+				" skipping reconciling deployments",
+		})
+
+		return nil
+	}
+
 	r.Log.Info("pruning extraneous deployments")
 
 	for _, extraDeployment := range deployments.Extra {