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- drpolicy create/update: - finalizer add if absent - cluster roles manifestwork create, if absent, for each cluster in drpolicy - drpolicy delete: - cluster roles manifestwork delete for each cluster not in any other drpolicy - finalizer remove if present - gomega version increase from 1.14.0 to 1.15.0 Signed-off-by: bhatfiel <bhatfiel@redhat.com>
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/* | ||
Copyright 2021 The RamenDR authors. | ||
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. | ||
*/ | ||
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package controllers | ||
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import ( | ||
"context" | ||
"fmt" | ||
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"github.com/go-logr/logr" | ||
"k8s.io/apimachinery/pkg/runtime" | ||
ctrl "sigs.k8s.io/controller-runtime" | ||
"sigs.k8s.io/controller-runtime/pkg/client" | ||
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil" | ||
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ramen "github.com/ramendr/ramen/api/v1alpha1" | ||
"github.com/ramendr/ramen/controllers/util" | ||
) | ||
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// DRPolicyReconciler reconciles a DRPolicy object | ||
type DRPolicyReconciler struct { | ||
client.Client | ||
Scheme *runtime.Scheme | ||
} | ||
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//+kubebuilder:rbac:groups=ramendr.openshift.io,resources=drpolicies,verbs=get;list;watch;create;update;patch;delete | ||
//+kubebuilder:rbac:groups=ramendr.openshift.io,resources=drpolicies/status,verbs=get;update;patch | ||
//+kubebuilder:rbac:groups=ramendr.openshift.io,resources=drpolicies/finalizers,verbs=update | ||
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// Reconcile is part of the main kubernetes reconciliation loop which aims to | ||
// move the current state of the cluster closer to the desired state. | ||
// TODO(user): Modify the Reconcile function to compare the state specified by | ||
// the DRPolicy object against the actual cluster state, and then | ||
// perform operations to make the cluster state reflect the state specified by | ||
// the user. | ||
// | ||
// For more details, check Reconcile and its Result here: | ||
// - https://pkg.go.dev/sigs.k8s.io/controller-runtime@v0.9.2/pkg/reconcile | ||
func (r *DRPolicyReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) { | ||
log := ctrl.Log.WithName("controllers").WithName("drpolicy").WithValues("name", req.NamespacedName.Name) | ||
log.Info("reconcile enter") | ||
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defer log.Info("reconcile exit") | ||
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drpolicy := &ramen.DRPolicy{} | ||
if err := r.Client.Get(ctx, req.NamespacedName, drpolicy); err != nil { | ||
return ctrl.Result{}, client.IgnoreNotFound(fmt.Errorf("get: %w", err)) | ||
} | ||
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manifestWorkUtil := util.MWUtil{Client: r.Client, Ctx: ctx, Log: log, InstName: "", InstNamespace: ""} | ||
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switch drpolicy.ObjectMeta.DeletionTimestamp.IsZero() { | ||
case true: | ||
log.Info("create/update") | ||
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if err := finalizerAdd(ctx, drpolicy, r.Client, log); err != nil { | ||
return ctrl.Result{}, fmt.Errorf("finalizer add update: %w", err) | ||
} | ||
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if err := manifestWorkUtil.ClusterRolesCreate(drpolicy); err != nil { | ||
return ctrl.Result{}, fmt.Errorf("cluster roles create: %w", err) | ||
} | ||
default: | ||
log.Info("delete") | ||
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if err := manifestWorkUtil.ClusterRolesDelete(drpolicy); err != nil { | ||
return ctrl.Result{}, fmt.Errorf("cluster roles delete: %w", err) | ||
} | ||
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if err := finalizerRemove(ctx, drpolicy, r.Client, log); err != nil { | ||
return ctrl.Result{}, fmt.Errorf("finalizer remove update: %w", err) | ||
} | ||
} | ||
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return ctrl.Result{}, nil | ||
} | ||
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const finalizerName = "drpolicies.ramendr.openshift.io/ramen" | ||
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func finalizerAdd(ctx context.Context, drpolicy *ramen.DRPolicy, client client.Client, log logr.Logger) error { | ||
finalizerCount := len(drpolicy.ObjectMeta.Finalizers) | ||
controllerutil.AddFinalizer(drpolicy, finalizerName) | ||
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if len(drpolicy.ObjectMeta.Finalizers) != finalizerCount { | ||
log.Info("finalizer add") | ||
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return client.Update(ctx, drpolicy) | ||
} | ||
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return nil | ||
} | ||
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func finalizerRemove(ctx context.Context, drpolicy *ramen.DRPolicy, client client.Client, log logr.Logger) error { | ||
finalizerCount := len(drpolicy.ObjectMeta.Finalizers) | ||
controllerutil.RemoveFinalizer(drpolicy, finalizerName) | ||
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if len(drpolicy.ObjectMeta.Finalizers) != finalizerCount { | ||
log.Info("finalizer remove") | ||
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return client.Update(ctx, drpolicy) | ||
} | ||
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return nil | ||
} | ||
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// SetupWithManager sets up the controller with the Manager. | ||
func (r *DRPolicyReconciler) SetupWithManager(mgr ctrl.Manager) error { | ||
return ctrl.NewControllerManagedBy(mgr). | ||
For(&ramen.DRPolicy{}). | ||
Complete(r) | ||
} |
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