auto-generate configuration CRD (#3102)

* auto-generate configuration CRD
* make all subconfig optional
* remove field enable crd validation
* update field descriptions which use proxy types

pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/fake_operatorconfiguration.go

@@ -32,18 +32,26 @@ import (
 
 // fakeOperatorConfigurations implements OperatorConfigurationInterface
 type fakeOperatorConfigurations struct {
-	*gentype.FakeClient[*v1.OperatorConfiguration]
+	*gentype.FakeClientWithList[*v1.OperatorConfiguration, *v1.OperatorConfigurationList]
 	Fake *FakeAcidV1
 }
 
 func newFakeOperatorConfigurations(fake *FakeAcidV1, namespace string) acidzalandov1.OperatorConfigurationInterface {
 	return &fakeOperatorConfigurations{
-		gentype.NewFakeClient[*v1.OperatorConfiguration](
+		gentype.NewFakeClientWithList[*v1.OperatorConfiguration, *v1.OperatorConfigurationList](
 			fake.Fake,
 			namespace,
 			v1.SchemeGroupVersion.WithResource("operatorconfigurations"),
 			v1.SchemeGroupVersion.WithKind("OperatorConfiguration"),
 			func() *v1.OperatorConfiguration { return &v1.OperatorConfiguration{} },
+			func() *v1.OperatorConfigurationList { return &v1.OperatorConfigurationList{} },
+			func(dst, src *v1.OperatorConfigurationList) { dst.ListMeta = src.ListMeta },
+			func(list *v1.OperatorConfigurationList) []*v1.OperatorConfiguration {
+				return gentype.ToPointerSlice(list.Items)
+			},
+			func(list *v1.OperatorConfigurationList, items []*v1.OperatorConfiguration) {
+				list.Items = gentype.FromPointerSlice(items)
+			},
 		),
 		fake,
 	}

pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/operatorconfiguration.go

@@ -30,6 +30,8 @@ import (
 	acidzalandov1 "github.com/zalando/postgres-operator/pkg/apis/acid.zalan.do/v1"
 	scheme "github.com/zalando/postgres-operator/pkg/generated/clientset/versioned/scheme"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	types "k8s.io/apimachinery/pkg/types"
+	watch "k8s.io/apimachinery/pkg/watch"
 	gentype "k8s.io/client-go/gentype"
 )
 
@@ -41,24 +43,32 @@ type OperatorConfigurationsGetter interface {
 
 // OperatorConfigurationInterface has methods to work with OperatorConfiguration resources.
 type OperatorConfigurationInterface interface {
+	Create(ctx context.Context, operatorConfiguration *acidzalandov1.OperatorConfiguration, opts metav1.CreateOptions) (*acidzalandov1.OperatorConfiguration, error)
+	Update(ctx context.Context, operatorConfiguration *acidzalandov1.OperatorConfiguration, opts metav1.UpdateOptions) (*acidzalandov1.OperatorConfiguration, error)
+	Delete(ctx context.Context, name string, opts metav1.DeleteOptions) error
+	DeleteCollection(ctx context.Context, opts metav1.DeleteOptions, listOpts metav1.ListOptions) error
 	Get(ctx context.Context, name string, opts metav1.GetOptions) (*acidzalandov1.OperatorConfiguration, error)
+	List(ctx context.Context, opts metav1.ListOptions) (*acidzalandov1.OperatorConfigurationList, error)
+	Watch(ctx context.Context, opts metav1.ListOptions) (watch.Interface, error)
+	Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts metav1.PatchOptions, subresources ...string) (result *acidzalandov1.OperatorConfiguration, err error)
 	OperatorConfigurationExpansion
 }
 
 // operatorConfigurations implements OperatorConfigurationInterface
 type operatorConfigurations struct {
-	*gentype.Client[*acidzalandov1.OperatorConfiguration]
+	*gentype.ClientWithList[*acidzalandov1.OperatorConfiguration, *acidzalandov1.OperatorConfigurationList]
 }
 
 // newOperatorConfigurations returns a OperatorConfigurations
 func newOperatorConfigurations(c *AcidV1Client, namespace string) *operatorConfigurations {
 	return &operatorConfigurations{
-		gentype.NewClient[*acidzalandov1.OperatorConfiguration](
+		gentype.NewClientWithList[*acidzalandov1.OperatorConfiguration, *acidzalandov1.OperatorConfigurationList](
 			"operatorconfigurations",
 			c.RESTClient(),
 			scheme.ParameterCodec,
 			namespace,
 			func() *acidzalandov1.OperatorConfiguration { return &acidzalandov1.OperatorConfiguration{} },
+			func() *acidzalandov1.OperatorConfigurationList { return &acidzalandov1.OperatorConfigurationList{} },
 		),
 	}
 }

pkg/generated/informers/externalversions/acid.zalan.do/v1/interface.go

@@ -30,6 +30,8 @@ import (
 
 // Interface provides access to all the informers in this group version.
 type Interface interface {
+	// OperatorConfigurations returns a OperatorConfigurationInformer.
+	OperatorConfigurations() OperatorConfigurationInformer
 	// PostgresTeams returns a PostgresTeamInformer.
 	PostgresTeams() PostgresTeamInformer
 	// Postgresqls returns a PostgresqlInformer.
@@ -47,6 +49,11 @@ func New(f internalinterfaces.SharedInformerFactory, namespace string, tweakList
 	return &version{factory: f, namespace: namespace, tweakListOptions: tweakListOptions}
 }
 
+// OperatorConfigurations returns a OperatorConfigurationInformer.
+func (v *version) OperatorConfigurations() OperatorConfigurationInformer {
+	return &operatorConfigurationInformer{factory: v.factory, namespace: v.namespace, tweakListOptions: v.tweakListOptions}
+}
+
 // PostgresTeams returns a PostgresTeamInformer.
 func (v *version) PostgresTeams() PostgresTeamInformer {
 	return &postgresTeamInformer{factory: v.factory, namespace: v.namespace, tweakListOptions: v.tweakListOptions}

pkg/generated/informers/externalversions/acid.zalan.do/v1/operatorconfiguration.go

@@ -0,0 +1,96 @@
+/*
+Copyright 2026 Compose, Zalando SE
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	context "context"
+	time "time"
+
+	apisacidzalandov1 "github.com/zalando/postgres-operator/pkg/apis/acid.zalan.do/v1"
+	versioned "github.com/zalando/postgres-operator/pkg/generated/clientset/versioned"
+	internalinterfaces "github.com/zalando/postgres-operator/pkg/generated/informers/externalversions/internalinterfaces"
+	acidzalandov1 "github.com/zalando/postgres-operator/pkg/generated/listers/acid.zalan.do/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	watch "k8s.io/apimachinery/pkg/watch"
+	cache "k8s.io/client-go/tools/cache"
+)
+
+// OperatorConfigurationInformer provides access to a shared informer and lister for
+// OperatorConfigurations.
+type OperatorConfigurationInformer interface {
+	Informer() cache.SharedIndexInformer
+	Lister() acidzalandov1.OperatorConfigurationLister
+}
+
+type operatorConfigurationInformer struct {
+	factory          internalinterfaces.SharedInformerFactory
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+	namespace        string
+}
+
+// NewOperatorConfigurationInformer constructs a new informer for OperatorConfiguration type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewOperatorConfigurationInformer(client versioned.Interface, namespace string, resyncPeriod time.Duration, indexers cache.Indexers) cache.SharedIndexInformer {
+	return NewFilteredOperatorConfigurationInformer(client, namespace, resyncPeriod, indexers, nil)
+}
+
+// NewFilteredOperatorConfigurationInformer constructs a new informer for OperatorConfiguration type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewFilteredOperatorConfigurationInformer(client versioned.Interface, namespace string, resyncPeriod time.Duration, indexers cache.Indexers, tweakListOptions internalinterfaces.TweakListOptionsFunc) cache.SharedIndexInformer {
+	return cache.NewSharedIndexInformer(
+		&cache.ListWatch{
+			ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&options)
+				}
+				return client.AcidV1().OperatorConfigurations(namespace).List(context.TODO(), options)
+			},
+			WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&options)
+				}
+				return client.AcidV1().OperatorConfigurations(namespace).Watch(context.TODO(), options)
+			},
+		},
+		&apisacidzalandov1.OperatorConfiguration{},
+		resyncPeriod,
+		indexers,
+	)
+}
+
+func (f *operatorConfigurationInformer) defaultInformer(client versioned.Interface, resyncPeriod time.Duration) cache.SharedIndexInformer {
+	return NewFilteredOperatorConfigurationInformer(client, f.namespace, resyncPeriod, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc}, f.tweakListOptions)
+}
+
+func (f *operatorConfigurationInformer) Informer() cache.SharedIndexInformer {
+	return f.factory.InformerFor(&apisacidzalandov1.OperatorConfiguration{}, f.defaultInformer)
+}
+
+func (f *operatorConfigurationInformer) Lister() acidzalandov1.OperatorConfigurationLister {
+	return acidzalandov1.NewOperatorConfigurationLister(f.Informer().GetIndexer())
+}

pkg/generated/informers/externalversions/generic.go

@@ -60,6 +60,8 @@ func (f *genericInformer) Lister() cache.GenericLister {
 func (f *sharedInformerFactory) ForResource(resource schema.GroupVersionResource) (GenericInformer, error) {
 	switch resource {
 	// Group=acid.zalan.do, Version=v1
+	case v1.SchemeGroupVersion.WithResource("operatorconfigurations"):
+		return &genericInformer{resource: resource.GroupResource(), informer: f.Acid().V1().OperatorConfigurations().Informer()}, nil
 	case v1.SchemeGroupVersion.WithResource("postgresteams"):
 		return &genericInformer{resource: resource.GroupResource(), informer: f.Acid().V1().PostgresTeams().Informer()}, nil
 	case v1.SchemeGroupVersion.WithResource("postgresqls"):

pkg/generated/listers/acid.zalan.do/v1/expansion_generated.go

@@ -24,6 +24,14 @@ SOFTWARE.
 
 package v1
 
+// OperatorConfigurationListerExpansion allows custom methods to be added to
+// OperatorConfigurationLister.
+type OperatorConfigurationListerExpansion interface{}
+
+// OperatorConfigurationNamespaceListerExpansion allows custom methods to be added to
+// OperatorConfigurationNamespaceLister.
+type OperatorConfigurationNamespaceListerExpansion interface{}
+
 // PostgresTeamListerExpansion allows custom methods to be added to
 // PostgresTeamLister.
 type PostgresTeamListerExpansion interface{}

pkg/generated/listers/acid.zalan.do/v1/operatorconfiguration.go

@@ -0,0 +1,76 @@
+/*
+Copyright 2026 Compose, Zalando SE
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+// Code generated by lister-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	acidzalandov1 "github.com/zalando/postgres-operator/pkg/apis/acid.zalan.do/v1"
+	labels "k8s.io/apimachinery/pkg/labels"
+	listers "k8s.io/client-go/listers"
+	cache "k8s.io/client-go/tools/cache"
+)
+
+// OperatorConfigurationLister helps list OperatorConfigurations.
+// All objects returned here must be treated as read-only.
+type OperatorConfigurationLister interface {
+	// List lists all OperatorConfigurations in the indexer.
+	// Objects returned here must be treated as read-only.
+	List(selector labels.Selector) (ret []*acidzalandov1.OperatorConfiguration, err error)
+	// OperatorConfigurations returns an object that can list and get OperatorConfigurations.
+	OperatorConfigurations(namespace string) OperatorConfigurationNamespaceLister
+	OperatorConfigurationListerExpansion
+}
+
+// operatorConfigurationLister implements the OperatorConfigurationLister interface.
+type operatorConfigurationLister struct {
+	listers.ResourceIndexer[*acidzalandov1.OperatorConfiguration]
+}
+
+// NewOperatorConfigurationLister returns a new OperatorConfigurationLister.
+func NewOperatorConfigurationLister(indexer cache.Indexer) OperatorConfigurationLister {
+	return &operatorConfigurationLister{listers.New[*acidzalandov1.OperatorConfiguration](indexer, acidzalandov1.Resource("operatorconfiguration"))}
+}
+
+// OperatorConfigurations returns an object that can list and get OperatorConfigurations.
+func (s *operatorConfigurationLister) OperatorConfigurations(namespace string) OperatorConfigurationNamespaceLister {
+	return operatorConfigurationNamespaceLister{listers.NewNamespaced[*acidzalandov1.OperatorConfiguration](s.ResourceIndexer, namespace)}
+}
+
+// OperatorConfigurationNamespaceLister helps list and get OperatorConfigurations.
+// All objects returned here must be treated as read-only.
+type OperatorConfigurationNamespaceLister interface {
+	// List lists all OperatorConfigurations in the indexer for a given namespace.
+	// Objects returned here must be treated as read-only.
+	List(selector labels.Selector) (ret []*acidzalandov1.OperatorConfiguration, err error)
+	// Get retrieves the OperatorConfiguration from the indexer for a given namespace and name.
+	// Objects returned here must be treated as read-only.
+	Get(name string) (*acidzalandov1.OperatorConfiguration, error)
+	OperatorConfigurationNamespaceListerExpansion
+}
+
+// operatorConfigurationNamespaceLister implements the OperatorConfigurationNamespaceLister
+// interface.
+type operatorConfigurationNamespaceLister struct {
+	listers.ResourceIndexer[*acidzalandov1.OperatorConfiguration]
+}