Merge pull request #933 from Daimler/tobiasgiese/add-openstackcluster…

…template

✨ Add OpenStackClusterTemplates Type

PROJECT

@@ -20,3 +20,6 @@ resources:
 - group: infrastructure
   version: v1alpha4
   kind: OpenStackMachineTemplate
+- group: infrastructure
+  kind: OpenStackClusterTemplate
+  version: v1alpha4

api/v1alpha4/openstackclustertemplate_types.go

@@ -0,0 +1,55 @@
+/*
+Copyright 2021 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1alpha4
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// OpenStackClusterTemplateResource describes the data needed to create a OpenStackCluster from a template.
+type OpenStackClusterTemplateResource struct {
+	Spec OpenStackClusterSpec `json:"spec"`
+}
+
+// OpenStackClusterTemplateSpec defines the desired state of OpenStackClusterTemplate.
+type OpenStackClusterTemplateSpec struct {
+	Template OpenStackClusterTemplateResource `json:"template"`
+}
+
+//+kubebuilder:object:root=true
+//+kubebuilder:resource:path=openstackclustertemplates,scope=Namespaced,categories=cluster-api,shortName=osct
+
+// OpenStackClusterTemplate is the Schema for the openstackclustertemplates API.
+type OpenStackClusterTemplate struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec OpenStackClusterTemplateSpec `json:"spec,omitempty"`
+}
+
+//+kubebuilder:object:root=true
+
+// OpenStackClusterTemplateList contains a list of OpenStackClusterTemplate.
+type OpenStackClusterTemplateList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+	Items           []OpenStackClusterTemplate `json:"items"`
+}
+
+func init() {
+	SchemeBuilder.Register(&OpenStackClusterTemplate{}, &OpenStackClusterTemplateList{})
+}

api/v1alpha4/openstackclustertemplate_webhook.go

@@ -0,0 +1,79 @@
+/*
+Copyright 2021 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1alpha4
+
+import (
+	"reflect"
+
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/util/validation/field"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/webhook"
+)
+
+const openStackClusterTemplateImmutableMsg = "OpenStackClusterTemplate spec.template.spec field is immutable. Please create new resource instead."
+
+func (r *OpenStackClusterTemplate) SetupWebhookWithManager(mgr ctrl.Manager) error {
+	return ctrl.NewWebhookManagedBy(mgr).
+		For(r).
+		Complete()
+}
+
+// +kubebuilder:webhook:verbs=create;update,path=/mutate-infrastructure-cluster-x-k8s-io-v1alpha4-openstackclustertemplate,mutating=true,failurePolicy=fail,matchPolicy=Equivalent,groups=infrastructure.cluster.x-k8s.io,resources=openstackclustertemplates,versions=v1alpha4,name=default.openstackclustertemplate.infrastructure.cluster.x-k8s.io,sideEffects=None,admissionReviewVersions=v1beta1
+// +kubebuilder:webhook:verbs=create;update,path=/validate-infrastructure-cluster-x-k8s-io-v1alpha4-openstackclustertemplate,mutating=false,failurePolicy=fail,matchPolicy=Equivalent,groups=infrastructure.cluster.x-k8s.io,resources=openstackclustertemplates,versions=v1alpha4,name=validation.openstackclustertemplate.infrastructure.cluster.x-k8s.io,sideEffects=None,admissionReviewVersions=v1beta1
+
+var (
+	_ webhook.Defaulter = &OpenStackClusterTemplate{}
+	_ webhook.Validator = &OpenStackClusterTemplate{}
+)
+
+// Default implements webhook.Defaulter so a webhook will be registered for the type.
+func (r *OpenStackClusterTemplate) Default() {
+	if r.Spec.Template.Spec.IdentityRef != nil && r.Spec.Template.Spec.IdentityRef.Kind == "" {
+		r.Spec.Template.Spec.IdentityRef.Kind = defaultIdentityRefKind
+	}
+}
+
+// ValidateCreate implements webhook.Validator so a webhook will be registered for the type.
+func (r *OpenStackClusterTemplate) ValidateCreate() error {
+	var allErrs field.ErrorList
+
+	if r.Spec.Template.Spec.IdentityRef != nil && r.Spec.Template.Spec.IdentityRef.Kind != defaultIdentityRefKind {
+		allErrs = append(allErrs, field.Forbidden(field.NewPath("spec", "template", "spec", "identityRef", "kind"), "must be a Secret"))
+	}
+
+	return aggregateObjErrors(r.GroupVersionKind().GroupKind(), r.Name, allErrs)
+}
+
+// ValidateUpdate implements webhook.Validator so a webhook will be registered for the type.
+func (r *OpenStackClusterTemplate) ValidateUpdate(oldRaw runtime.Object) error {
+	var allErrs field.ErrorList
+
+	old := oldRaw.(*OpenStackClusterTemplate)
+	if !reflect.DeepEqual(r.Spec.Template.Spec, old.Spec.Template.Spec) {
+		allErrs = append(allErrs,
+			field.Invalid(field.NewPath("OpenStackClusterTemplate", "spec", "template", "spec"), r, openStackClusterTemplateImmutableMsg),
+		)
+	}
+
+	return aggregateObjErrors(r.GroupVersionKind().GroupKind(), r.Name, allErrs)
+}
+
+// ValidateDelete implements webhook.Validator so a webhook will be registered for the type.
+func (r *OpenStackClusterTemplate) ValidateDelete() error {
+	return nil
+}

api/v1alpha4/openstackmachinetemplate_webhook.go

@@ -35,7 +35,7 @@ func (r *OpenStackMachineTemplate) SetupWebhookWithManager(mgr manager.Manager)
 		Complete()
 }
 
-// +kubebuilder:webhook:verbs=create;update,path=/validate-infrastructure-cluster-x-k8s-io-v1alpha4-openstackmachinetemplate,mutating=false,failurePolicy=fail,matchPolicy=Equivalent,groups=infrastructure.cluster.x-k8s.io,resources=openstackmachinetemplates,versions=v1alpha4,name=validation.openstackmachinetemplate.infrastructure.x-k8s.io,sideEffects=None,admissionReviewVersions=v1beta1
+// +kubebuilder:webhook:verbs=create;update,path=/validate-infrastructure-cluster-x-k8s-io-v1alpha4-openstackmachinetemplate,mutating=false,failurePolicy=fail,matchPolicy=Equivalent,groups=infrastructure.x-k8s.io,resources=openstackmachinetemplates,versions=v1alpha4,name=validation.openstackmachinetemplate.infrastructure.cluster.x-k8s.io,sideEffects=None,admissionReviewVersions=v1beta1
 
 var _ webhook.Validator = &OpenStackMachineTemplate{}