feat(api): container registry settings

api/v1alpha1/tenantcontrolplane_registrysettings.go

@@ -0,0 +1,18 @@
+// Copyright 2022 Clastix Labs
+// SPDX-License-Identifier: Apache-2.0
+
+package v1alpha1
+
+type RegistrySettings struct {
+	// +kubebuilder:default="registry.k8s.io"
+	Registry string `json:"registry,omitempty"`
+	// The tag to append to all the Control Plane container images.
+	// Optional.
+	TagSuffix string `json:"tagSuffix,omitempty"`
+	// +kubebuilder:default="kube-apiserver"
+	APIServerImage string `json:"apiServerImage,omitempty"`
+	// +kubebuilder:default="kube-controller-manager"
+	ControllerManagerImage string `json:"controllerManagerImage,omitempty"`
+	// +kubebuilder:default="kube-scheduler"
+	SchedulerImage string `json:"schedulerImage,omitempty"`
+}

api/v1alpha1/tenantcontrolplane_registrysettings_funcs.go

@@ -0,0 +1,34 @@
+// Copyright 2022 Clastix Labs
+// SPDX-License-Identifier: Apache-2.0
+
+package v1alpha1
+
+import (
+	"fmt"
+)
+
+func (r *RegistrySettings) buildContainerImage(name, tag string) (image string) {
+	if len(r.Registry) > 0 {
+		image = fmt.Sprintf("%s/", r.Registry)
+	}
+
+	image += fmt.Sprintf("%s:%s", name, tag)
+
+	if len(r.TagSuffix) > 0 {
+		image += r.TagSuffix
+	}
+
+	return image
+}
+
+func (r *RegistrySettings) KubeAPIServerImage(version string) string {
+	return r.buildContainerImage(r.APIServerImage, version)
+}
+
+func (r *RegistrySettings) KubeSchedulerImage(version string) string {
+	return r.buildContainerImage(r.SchedulerImage, version)
+}
+
+func (r *RegistrySettings) KubeControllerManagerImage(version string) string {
+	return r.buildContainerImage(r.ControllerManagerImage, version)
+}

api/v1alpha1/tenantcontrolplane_types.go

@@ -103,6 +103,10 @@ type ControlPlaneComponentsResources struct {
 }
 
 type DeploymentSpec struct {
+	// RegistrySettings allows to override the default images for the given Tenant Control Plane instance.
+	// It could be used to point to a different container registry rather than the public one.
+	// +kubebuilder:default={registry:"registry.k8s.io",apiServerImage:"kube-apiserver",controllerManagerImage:"kube-controller-manager",schedulerImage:"kube-scheduler"}
+	RegistrySettings RegistrySettings `json:"registrySettings,omitempty"`
 	// +kubebuilder:default=2
 	Replicas int32 `json:"replicas,omitempty"`
 	// NodeSelector is a selector which must be true for the pod to fit on a node.

api/v1alpha1/zz_generated.deepcopy.go

@@ -577,6 +577,7 @@ func (in *DatastoreUsedSecret) DeepCopy() *DatastoreUsedSecret {
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *DeploymentSpec) DeepCopyInto(out *DeploymentSpec) {
 	*out = *in
+	out.RegistrySettings = in.RegistrySettings
 	if in.NodeSelector != nil {
 		in, out := &in.NodeSelector, &out.NodeSelector
 		*out = make(map[string]string, len(*in))
@@ -1126,6 +1127,21 @@ func (in *PublicKeyPrivateKeyPairStatus) DeepCopy() *PublicKeyPrivateKeyPairStat
 	return out
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *RegistrySettings) DeepCopyInto(out *RegistrySettings) {
+	*out = *in
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new RegistrySettings.
+func (in *RegistrySettings) DeepCopy() *RegistrySettings {
+	if in == nil {
+		return nil
+	}
+	out := new(RegistrySettings)
+	in.DeepCopyInto(out)
+	return out
+}
+
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *SecretReference) DeepCopyInto(out *SecretReference) {
 	*out = *in