cmd/k8s-operator,k8s-operator: proxyclass affinity (#11862)

add ability to set affinity rules to proxyclass

Updates#11861

Signed-off-by: Lee Briggs <lee@leebriggs.co.uk>

k8s-operator/apis/v1alpha1/types_proxyclass.go

@@ -94,6 +94,11 @@ type Pod struct {
 	// https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/#syntax-and-character-set
 	// +optional
 	Annotations map[string]string `json:"annotations,omitempty"`
+	// Proxy Pod's affinity rules.
+	// By default, the Tailscale Kubernetes operator does not apply any affinity rules.
+	// https://kubernetes.io/docs/reference/kubernetes-api/workload-resources/pod-v1/#affinity
+	// +optional
+	Affinity *corev1.Affinity `json:"affinity,omitempty"`
 	// Configuration for the proxy container running tailscale.
 	// +optional
 	TailscaleContainer *Container `json:"tailscaleContainer,omitempty"`

k8s-operator/apis/v1alpha1/zz_generated.deepcopy.go

@@ -195,6 +195,11 @@ func (in *Pod) DeepCopyInto(out *Pod) {
 			(*out)[key] = val
 		}
 	}
+	if in.Affinity != nil {
+		in, out := &in.Affinity, &out.Affinity
+		*out = new(v1.Affinity)
+		(*in).DeepCopyInto(*out)
+	}
 	if in.TailscaleContainer != nil {
 		in, out := &in.TailscaleContainer, &out.TailscaleContainer
 		*out = new(Container)