Add basic functionality

api/v1alpha1/clustermanagedresource_types.go

@@ -0,0 +1,108 @@
+/*
+Copyright 2024.
+
+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 v1alpha1
+
+import (
+	"fmt"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// NamespaceSelector provides a way to specify targeted namespaces
+type NamespaceSelector struct {
+	// LabelSelector of namespaces to be targeted.
+	// Can be combined with MatchNames to include unlabelled namespaces.
+	LabelSelector *metav1.LabelSelector `json:"labelSelector,omitempty"`
+
+	// MatchNames lists namespace names to be targeted.
+	// Each entry can be a Regex pattern.
+	// A namespace is included if at least one pattern matches.
+	// Invalid patterns will cause the sync to be cancelled and the status conditions will contain the error message.
+	MatchNames []string `json:"matchNames,omitempty"`
+
+	// IgnoreNames lists namespace names to be ignored.
+	// Each entry can be a Regex pattern and if they match
+	// the namespaces will be excluded from the sync even if matching in "matchNames" or via LabelSelector.
+	// A namespace is ignored if at least one pattern matches.
+	// Invalid patterns will cause the sync to be cancelled and the status conditions will contain the error message.
+	IgnoreNames []string `json:"ignoreNames,omitempty"`
+}
+
+// 👇 Finish the description
+// ClusterManagedResourceSpec defines the desired state of ClusterManagedResource.
+type ClusterManagedResourceSpec struct {
+	// +kubebuilder:validation:Optional
+	Context []Context `json:"context,omitempty"`
+
+	// +kubebuilder:validation:Required
+	// Template defines the Jsonnet snippet that generates the output.
+	Template string `json:"template"`
+
+	// +kubebuilder:validation:Optional
+	NamespaceSelector NamespaceSelector `json:"namespaceSelector,omitempty"`
+}
+
+// ClusterManagedResourceStatus defines the observed state of ClusterManagedResource.
+type ClusterManagedResourceStatus struct {
+	// INSERT ADDITIONAL STATUS FIELD - define observed state of cluster
+	// Important: Run "make" to regenerate code after modifying this file
+}
+
+// +kubebuilder:object:root=true
+// +kubebuilder:subresource:status
+
+// ClusterManagedResource is the Schema for the clustermanagedresources API.
+type ClusterManagedResource struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec   ClusterManagedResourceSpec   `json:"spec,omitempty"`
+	Status ClusterManagedResourceStatus `json:"status,omitempty"`
+}
+
+// +kubebuilder:object:root=true
+
+// ClusterManagedResourceList contains a list of ClusterManagedResource.
+type ClusterManagedResourceList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+	Items           []ClusterManagedResource `json:"items"`
+}
+
+func init() {
+	SchemeBuilder.Register(&ClusterManagedResource{}, &ClusterManagedResourceList{})
+}
+
+func (mr *ClusterManagedResource) GetParserName() string {
+	return fmt.Sprintf("cluster/%s", mr.Name)
+}
+
+func (mr *ClusterManagedResource) GetContext() []Context {
+	return mr.Spec.Context
+}
+
+func (mr *ClusterManagedResource) GetTemplate() string {
+	return mr.Spec.Template
+}
+
+func (mr *ClusterManagedResource) GetNamespaceSelector() NamespaceSelector {
+	return mr.Spec.NamespaceSelector
+}
+
+func (mr *ClusterManagedResource) IsNamespaced() bool {
+	return false
+}

api/v1alpha1/groupversion_info.go

@@ -0,0 +1,36 @@
+/*
+Copyright 2024.
+
+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 v1alpha1 contains API Schema definitions for the espejo v1alpha1 API group.
+// +kubebuilder:object:generate=true
+// +groupName=espejo.appuio.io
+package v1alpha1
+
+import (
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"sigs.k8s.io/controller-runtime/pkg/scheme"
+)
+
+var (
+	// GroupVersion is group version used to register these objects.
+	GroupVersion = schema.GroupVersion{Group: "espejo.appuio.io", Version: "v1alpha1"}
+
+	// SchemeBuilder is used to add go types to the GroupVersionKind scheme.
+	SchemeBuilder = &scheme.Builder{GroupVersion: GroupVersion}
+
+	// AddToScheme adds the types in this group-version to the given scheme.
+	AddToScheme = SchemeBuilder.AddToScheme
+)

api/v1alpha1/managedresource_types.go

@@ -0,0 +1,117 @@
+/*
+Copyright 2024.
+
+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 v1alpha1
+
+import (
+	"fmt"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// 👇 Finish the description
+// ManagedResourceSpec defines the <INSERT_TEXT>.
+type ManagedResourceSpec struct {
+	// +kubebuilder:validation:Optional
+	Context []Context `json:"context,omitempty"`
+
+	// +kubebuilder:validation:Required
+	// Template defines the Jsonnet snippet that generates the output.
+	Template string `json:"template"`
+}
+
+// Context defines resources used in the template.
+// Changes to these resources will trigger a reconcile the ManagedResource.
+type Context struct {
+	// +kubebuilder:validation:Required
+	// Alias defines the name of the ext-var in the Jsonnet template.
+	Alias string `json:"alias"`
+
+	// +kubebuilder:validation:Required
+	// APIVersion defines the versioned schema of this representation of an object.
+	APIVersion string `json:"apiVersion"`
+
+	// +kubebuilder:validation:Required
+	// Kind is a string value representing the REST resource this object represents.
+	Kind string `json:"kind"`
+
+	// +kubebuilder:validation:Optional
+	// Name defines the name of the resource to be targeted.
+	// If left empty all resources of that kind will be targeted.
+	Name string `json:"name,omitempty"`
+
+	// +kubebuilder:validation:Optional
+	// Namespace defines the namespaces of the resource to be targeted.
+	// If left empty all valid namespaces will be targeted.
+	Namespace string `json:"namespace,omitempty"`
+
+	// +kubebuilder:validation:Optional
+	// LabelSelector filters results by label.
+	LabelSelector *metav1.LabelSelector `json:"labelSelector,omitempty"`
+}
+
+// ManagedResourceStatus defines the observed state of ManagedResource.
+type ManagedResourceStatus struct {
+	// INSERT ADDITIONAL STATUS FIELD - define observed state of cluster
+	// Important: Run "make" to regenerate code after modifying this file
+}
+
+// +kubebuilder:object:root=true
+// +kubebuilder:subresource:status
+
+// ManagedResource is the Schema for the managedresources API.
+type ManagedResource struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec   ManagedResourceSpec   `json:"spec,omitempty"`
+	Status ManagedResourceStatus `json:"status,omitempty"`
+}
+
+// +kubebuilder:object:root=true
+
+// ManagedResourceList contains a list of ManagedResource.
+type ManagedResourceList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+	Items           []ManagedResource `json:"items"`
+}
+
+func init() {
+	SchemeBuilder.Register(&ManagedResource{}, &ManagedResourceList{})
+}
+
+func (mr *ManagedResource) GetParserName() string {
+	return fmt.Sprintf("%s/%s", mr.Namespace, mr.Name)
+}
+
+func (mr *ManagedResource) GetContext() []Context {
+	return mr.Spec.Context
+}
+
+func (mr *ManagedResource) GetTemplate() string {
+	return mr.Spec.Template
+}
+
+func (mr *ManagedResource) GetNamespaceSelector() NamespaceSelector {
+	return NamespaceSelector{
+		MatchNames: []string{mr.Namespace},
+	}
+}
+
+func (mr *ManagedResource) IsNamespaced() bool {
+	return true
+}