Merge pull request #19 from kraken-iac/config-export

Add ConfigExport API and controller

PROJECT

@@ -26,4 +26,13 @@ resources:
   kind: StateDeclaration
   path: github.com/kraken-iac/kraken/api/v1alpha1
   version: v1alpha1
+- api:
+    crdVersion: v1
+    namespaced: true
+  controller: true
+  domain: kraken-iac.eoinfennessy.com
+  group: configexport
+  kind: ConfigExport
+  path: github.com/kraken-iac/kraken/api/configexport/v1alpha1
+  version: v1alpha1
 version: "3"

api/configexport/v1alpha1/configexport_types.go

@@ -0,0 +1,107 @@
+/*
+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"
+	"reflect"
+
+	"github.com/kraken-iac/common/types/option"
+	corev1alpha1 "github.com/kraken-iac/kraken/api/core/v1alpha1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+const (
+	ConditionTypeReady string = "Ready"
+
+	ConfigTypeConfigMap string = "ConfigMap"
+	ConfigTypeSecret    string = "Secret"
+)
+
+type ConfigExportEntry struct {
+	Key           string `json:"key"`
+	option.String `json:",inline"`
+}
+
+type ConfigMeta struct {
+	Name      string `json:"name"`
+	Namespace string `json:"namespace"`
+}
+
+// ConfigExportSpec defines the desired state of ConfigExport
+type ConfigExportSpec struct {
+
+	// +kubebuilder:validation:Enum=ConfigMap;Secret
+	ConfigType string `json:"configType"`
+
+	ConfigMeta ConfigMeta          `json:"configMetadata"`
+	Entries    []ConfigExportEntry `json:"entries,omitempty"`
+}
+
+func (s ConfigExportSpec) GenerateDependencyRequestSpec() corev1alpha1.DependencyRequestSpec {
+	dr := corev1alpha1.DependencyRequestSpec{}
+	for _, entry := range s.Entries {
+		if entry.ValueFrom != nil {
+			entry.ValueFrom.AddToDependencyRequestSpec(&dr, reflect.String)
+		}
+	}
+	return dr
+}
+
+func (s ConfigExportSpec) ToApplicableValues(depValues corev1alpha1.DependentValues) (map[string]string, error) {
+	av := make(map[string]string, len(s.Entries))
+	for _, entry := range s.Entries {
+		if val, err := entry.ToApplicableValue(depValues); err != nil {
+			return nil, err
+		} else if val == nil {
+			return nil, fmt.Errorf("no applicable value provided for %s", entry.Key)
+		} else {
+			av[entry.Key] = *val
+		}
+	}
+	return av, nil
+}
+
+// ConfigExportStatus defines the observed state of ConfigExport
+type ConfigExportStatus struct {
+	Conditions []metav1.Condition `json:"conditions,omitempty" patchStrategy:"merge" patchMergeKey:"type" protobuf:"bytes,1,rep,name=conditions"`
+}
+
+//+kubebuilder:object:root=true
+//+kubebuilder:subresource:status
+
+// ConfigExport is the Schema for the configexports API
+type ConfigExport struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec   ConfigExportSpec   `json:"spec,omitempty"`
+	Status ConfigExportStatus `json:"status,omitempty"`
+}
+
+//+kubebuilder:object:root=true
+
+// ConfigExportList contains a list of ConfigExport
+type ConfigExportList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+	Items           []ConfigExport `json:"items"`
+}
+
+func init() {
+	SchemeBuilder.Register(&ConfigExport{}, &ConfigExportList{})
+}

api/configexport/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 configexport v1alpha1 API group
+// +kubebuilder:object:generate=true
+// +groupName=configexport.kraken-iac.eoinfennessy.com
+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: "configexport.kraken-iac.eoinfennessy.com", 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
+)

cmd/main.go

@@ -32,7 +32,9 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/log/zap"
 	metricsserver "sigs.k8s.io/controller-runtime/pkg/metrics/server"
 
+	configexportv1alpha1 "github.com/kraken-iac/kraken/api/configexport/v1alpha1"
 	corev1alpha1 "github.com/kraken-iac/kraken/api/core/v1alpha1"
+	configexportcontroller "github.com/kraken-iac/kraken/internal/controller/configexport"
 	controller "github.com/kraken-iac/kraken/internal/controller/core"
 	//+kubebuilder:scaffold:imports
 )
@@ -46,6 +48,7 @@ func init() {
 	utilruntime.Must(clientgoscheme.AddToScheme(scheme))
 
 	utilruntime.Must(corev1alpha1.AddToScheme(scheme))
+	utilruntime.Must(configexportv1alpha1.AddToScheme(scheme))
 	//+kubebuilder:scaffold:scheme
 }
 
@@ -96,6 +99,13 @@ func main() {
 		setupLog.Error(err, "unable to create controller", "controller", "DependencyRequest")
 		os.Exit(1)
 	}
+	if err = (&configexportcontroller.ConfigExportReconciler{
+		Client: mgr.GetClient(),
+		Scheme: mgr.GetScheme(),
+	}).SetupWithManager(mgr); err != nil {
+		setupLog.Error(err, "unable to create controller", "controller", "ConfigExport")
+		os.Exit(1)
+	}
 	//+kubebuilder:scaffold:builder
 
 	if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil {