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clickhouse_controller.go
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clickhouse_controller.go
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// Copyright (c) 2022 Aiven, Helsinki, Finland. https://aiven.io/
package controllers
import (
"context"
"fmt"
"github.com/aiven/aiven-go-client"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"github.com/aiven/aiven-operator/api/v1alpha1"
)
// ClickhouseReconciler reconciles a Clickhouse object
type ClickhouseReconciler struct {
Controller
}
//+kubebuilder:rbac:groups=aiven.io,resources=clickhouses,verbs=get;list;watch;create;update;patch;delete
//+kubebuilder:rbac:groups=aiven.io,resources=clickhouses/status,verbs=get;update;patch
//+kubebuilder:rbac:groups=aiven.io,resources=clickhouses/finalizers,verbs=update
func (r *ClickhouseReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
return r.reconcileInstance(ctx, req, newGenericServiceHandler(newClickhouseAdapter), &v1alpha1.Clickhouse{})
}
// SetupWithManager sets up the controller with the Manager.
func (r *ClickhouseReconciler) SetupWithManager(mgr ctrl.Manager) error {
return ctrl.NewControllerManagedBy(mgr).
For(&v1alpha1.Clickhouse{}).
Owns(&corev1.Secret{}).
Complete(r)
}
func newClickhouseAdapter(_ *aiven.Client, object client.Object) (serviceAdapter, error) {
clickhouse, ok := object.(*v1alpha1.Clickhouse)
if !ok {
return nil, fmt.Errorf("object is not of type v1alpha1.Clickhouse")
}
return &clickhouseAdapter{clickhouse}, nil
}
// clickhouseAdapter handles an Aiven Clickhouse service
type clickhouseAdapter struct {
*v1alpha1.Clickhouse
}
func (a *clickhouseAdapter) getObjectMeta() *metav1.ObjectMeta {
return &a.ObjectMeta
}
func (a *clickhouseAdapter) getServiceStatus() *v1alpha1.ServiceStatus {
return &a.Status
}
func (a *clickhouseAdapter) getServiceCommonSpec() *v1alpha1.ServiceCommonSpec {
return &a.Spec.ServiceCommonSpec
}
func (a *clickhouseAdapter) getUserConfig() any {
return &a.Spec.UserConfig
}
func (a *clickhouseAdapter) newSecret(s *aiven.Service) (*corev1.Secret, error) {
name := a.Spec.ConnInfoSecretTarget.Name
if name == "" {
name = a.Name
}
stringData := map[string]string{
"HOST": s.URIParams["host"],
"PASSWORD": s.URIParams["password"],
"PORT": s.URIParams["port"],
"USER": s.URIParams["user"],
}
// Removes empties
for k, v := range stringData {
if v == "" {
delete(stringData, k)
}
}
return &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: a.Namespace},
StringData: stringData,
}, nil
}
func (a *clickhouseAdapter) getServiceType() string {
return "clickhouse"
}
func (a *clickhouseAdapter) getDiskSpace() string {
return a.Spec.DiskSpace
}