keycloak-operator/controllers/keycloakrealm_controller.go

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/*
Copyright 2021.
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"
"github.com/go-logr/logr"
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apierrs "k8s.io/apimachinery/pkg/api/errors"
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"k8s.io/apimachinery/pkg/runtime"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
keycloakv1alpha1 "git.zom.bi/images/keycloak-operator/api/v1alpha1"
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"git.zom.bi/images/keycloak-operator/controllers/keycloak"
)
const (
// FinalizerName is the Name of our finalizer used by this package
FinalizerName = "finalizer.keycloak.bitmask.me"
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)
// KeycloakRealmReconciler reconciles a KeycloakRealm object
type KeycloakRealmReconciler struct {
client.Client
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Keycloak *keycloak.Keycloak
Log logr.Logger
Scheme *runtime.Scheme
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}
// +kubebuilder:rbac:groups=keycloak.bitmask.me,resources=keycloakrealms,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=keycloak.bitmask.me,resources=keycloakrealms/status,verbs=get;update;patch
// +kubebuilder:rbac:groups=keycloak.bitmask.me,resources=keycloakrealms/finalizers,verbs=update
// Reconcile is part of the main kubernetes reconciliation loop which aims to
// move the current state of the cluster closer to the desired state.
// For more details, check Reconcile and its Result here:
// - https://pkg.go.dev/sigs.k8s.io/controller-runtime@v0.7.0/pkg/reconcile
func (r *KeycloakRealmReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
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log := r.Log.WithValues("keycloakrealm", req.NamespacedName)
log.Info("reconciling")
var realm keycloakv1alpha1.KeycloakRealm
if err := r.Get(ctx, req.NamespacedName, &realm); err != nil {
if apierrs.IsNotFound(err) {
log.Info("I would now unregister the realm")
return ctrl.Result{}, nil
}
}
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if realm.Status.Available {
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// try to get existing realm
log.Info("Would try to fetch the realm by its id.",
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"id", realm.Spec.RealmName)
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// if found {
log.Info("will act like i found it, updating.")
// update()
return ctrl.Result{}, nil
// }
}
log.Info("Would now create the realm.")
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realm.Status.Available = true
r.Status().Update(ctx, &realm)
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return ctrl.Result{}, nil
}
// SetupWithManager sets up the controller with the Manager.
func (r *KeycloakRealmReconciler) SetupWithManager(mgr ctrl.Manager) error {
return ctrl.NewControllerManagedBy(mgr).
For(&keycloakv1alpha1.KeycloakRealm{}).
Complete(r)
}