/
apimanagerrestore_controller.go
125 lines (100 loc) · 4.22 KB
/
apimanagerrestore_controller.go
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/*
Copyright 2020 Red Hat.
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 controllers
import (
"context"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
appsv1alpha1 "github.com/3scale/3scale-operator/apis/apps/v1alpha1"
"github.com/3scale/3scale-operator/pkg/reconcilers"
"github.com/3scale/3scale-operator/pkg/restore"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
)
// APIManagerRestoreReconciler reconciles a APIManagerRestore object
type APIManagerRestoreReconciler struct {
*reconcilers.BaseReconciler
}
// +kubebuilder:rbac:groups=apps.3scale.net,namespace=placeholder,resources=apimanagerrestores,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=apps.3scale.net,namespace=placeholder,resources=apimanagerrestores/status,verbs=get;update;patch
// +kubebuilder:rbac:groups=apps.3scale.net,namespace=placeholder,resources=apimanagerrestores/finalizers,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=core,namespace=placeholder,resources=pods/exec,verbs=create
// +kubebuilder:rbac:groups=batch,namespace=placeholder,resources=jobs,verbs=get;list;watch;create;update;patch;delete
func (r *APIManagerRestoreReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
logger := r.Logger().WithValues("apimanagerrestore", req.NamespacedName)
// Fetch the APIManagerRestore instance
instance, err := r.getAPIManagerRestoreCR(req)
if err != nil {
if errors.IsNotFound(err) {
logger.Info("APIManagerRestore not found")
return reconcile.Result{}, nil
}
r.Logger().Error(err, "Error getting APIManagerRestore")
return reconcile.Result{}, err
}
res, err := r.setAPIManagerRestoreDefaults(instance)
if err != nil {
logger.Error(err, "Error")
return reconcile.Result{}, err
}
if res.Requeue {
logger.Info("Defaults set for APIManagerRestore resource")
return res, nil
}
// TODO prepare / implement something related to version annotations or upgrade?
apiManagerRestoreLogicReconciler, err := r.apiManagerRestoreLogicReconciler(instance)
if err != nil {
return reconcile.Result{}, err
}
res, err = apiManagerRestoreLogicReconciler.Reconcile()
if err != nil {
logger.Error(err, "Error during reconciliation")
return res, err
}
if res.Requeue {
logger.Info("Reconciling not finished. Requeueing.")
return res, nil
}
logger.Info("Reconciliation finished")
return ctrl.Result{}, nil
}
func (r *APIManagerRestoreReconciler) getAPIManagerRestoreCR(request ctrl.Request) (*appsv1alpha1.APIManagerRestore, error) {
instance := appsv1alpha1.APIManagerRestore{}
err := r.Client().Get(context.TODO(), request.NamespacedName, &instance)
return &instance, err
}
func (r *APIManagerRestoreReconciler) setAPIManagerRestoreDefaults(cr *appsv1alpha1.APIManagerRestore) (ctrl.Result, error) {
changed, err := cr.SetDefaults() // TODO check where to put this
if err != nil {
return ctrl.Result{}, err
}
if changed {
err = r.Client().Update(context.TODO(), cr)
}
return ctrl.Result{Requeue: changed}, err
}
func (r *APIManagerRestoreReconciler) apiManagerRestoreLogicReconciler(cr *appsv1alpha1.APIManagerRestore) (*APIManagerRestoreLogicReconciler, error) {
apiManagerRestoreOptionsProvider := restore.NewAPIManagerRestoreOptionsProvider(cr, r.BaseReconciler.Client())
options, err := apiManagerRestoreOptionsProvider.Options()
if err != nil {
return nil, err
}
apiManagerRestore := restore.NewAPIManagerRestore(options)
return NewAPIManagerRestoreLogicReconciler(r.BaseReconciler, cr, apiManagerRestore), nil
}
func (r *APIManagerRestoreReconciler) SetupWithManager(mgr ctrl.Manager) error {
return ctrl.NewControllerManagedBy(mgr).
For(&appsv1alpha1.APIManagerRestore{}).
Owns(&corev1.Pod{}).
Complete(r)
}