From 6494d7b704f0715e27b034f4f6095badd13ddca1 Mon Sep 17 00:00:00 2001
From: Oliver Walsh <owalsh@redhat.com>
Date: Wed, 13 Nov 2024 20:59:53 +0000
Subject: [PATCH] Set nodeSelector on jobs and allow empty nodeSelector

Switch to a pointer for nodeSelector to allow different logic for empty vs unset
---
 api/v1beta1/placementapi_types.go    |  2 +-
 api/v1beta1/zz_generated.deepcopy.go | 10 +++++++---
 pkg/placement/dbsync.go              |  4 ++++
 pkg/placement/deployment.go          |  4 ++--
 4 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/api/v1beta1/placementapi_types.go b/api/v1beta1/placementapi_types.go
index fe1fbc07..e0ac84fd 100644
--- a/api/v1beta1/placementapi_types.go
+++ b/api/v1beta1/placementapi_types.go
@@ -84,7 +84,7 @@ type PlacementAPISpecCore struct {
 
 	// +kubebuilder:validation:Optional
 	// NodeSelector to target subset of worker nodes running this service
-	NodeSelector map[string]string `json:"nodeSelector,omitempty"`
+	NodeSelector *map[string]string `json:"nodeSelector,omitempty"`
 
 	// +kubebuilder:validation:Optional
 	// +kubebuilder:default=false
diff --git a/api/v1beta1/zz_generated.deepcopy.go b/api/v1beta1/zz_generated.deepcopy.go
index c3399e6d..71f9678b 100644
--- a/api/v1beta1/zz_generated.deepcopy.go
+++ b/api/v1beta1/zz_generated.deepcopy.go
@@ -165,9 +165,13 @@ func (in *PlacementAPISpecCore) DeepCopyInto(out *PlacementAPISpecCore) {
 	out.PasswordSelectors = in.PasswordSelectors
 	if in.NodeSelector != nil {
 		in, out := &in.NodeSelector, &out.NodeSelector
-		*out = make(map[string]string, len(*in))
-		for key, val := range *in {
-			(*out)[key] = val
+		*out = new(map[string]string)
+		if **in != nil {
+			in, out := *in, *out
+			*out = make(map[string]string, len(*in))
+			for key, val := range *in {
+				(*out)[key] = val
+			}
 		}
 	}
 	if in.DefaultConfigOverwrite != nil {
diff --git a/pkg/placement/dbsync.go b/pkg/placement/dbsync.go
index dc966487..8de09fab 100644
--- a/pkg/placement/dbsync.go
+++ b/pkg/placement/dbsync.go
@@ -83,5 +83,9 @@ func DbSyncJob(
 		},
 	}
 
+	if instance.Spec.NodeSelector != nil && len(*instance.Spec.NodeSelector) > 0 {
+		job.Spec.Template.Spec.NodeSelector = *instance.Spec.NodeSelector
+	}
+
 	return job
 }
diff --git a/pkg/placement/deployment.go b/pkg/placement/deployment.go
index 42dbfa9d..e839b564 100644
--- a/pkg/placement/deployment.go
+++ b/pkg/placement/deployment.go
@@ -174,8 +174,8 @@ func Deployment(
 		},
 		corev1.LabelHostname,
 	)
-	if instance.Spec.NodeSelector != nil && len(instance.Spec.NodeSelector) > 0 {
-		deployment.Spec.Template.Spec.NodeSelector = instance.Spec.NodeSelector
+	if instance.Spec.NodeSelector != nil && len(*instance.Spec.NodeSelector) > 0 {
+		deployment.Spec.Template.Spec.NodeSelector = *instance.Spec.NodeSelector
 	}
 
 	return deployment, nil