mirror of
https://github.com/kubevirt/containerized-data-importer.git
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78 lines
2.2 KiB
Go
78 lines
2.2 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"context"
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"github.com/go-logr/logr"
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appsv1 "k8s.io/api/apps/v1"
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"k8s.io/apimachinery/pkg/api/errors"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"sigs.k8s.io/controller-runtime/pkg/reconcile"
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)
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// reconcileReplicaSet reconciles ReplicaSets
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type reconcileReplicaSet struct {
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// client can be used to retrieve objects from the APIServer.
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client client.Client
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log logr.Logger
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}
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// Implement reconcile.Reconciler so the controller can reconcile objects
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var _ reconcile.Reconciler = &reconcileReplicaSet{}
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func (r *reconcileReplicaSet) Reconcile(request reconcile.Request) (reconcile.Result, error) {
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// set up a convinient log object so we don't have to type request over and over again
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log := r.log.WithValues("request", request)
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// Fetch the ReplicaSet from the cache
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rs := &appsv1.ReplicaSet{}
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err := r.client.Get(context.TODO(), request.NamespacedName, rs)
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if errors.IsNotFound(err) {
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log.Error(nil, "Could not find ReplicaSet")
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return reconcile.Result{}, nil
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}
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if err != nil {
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log.Error(err, "Could not fetch ReplicaSet")
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return reconcile.Result{}, err
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}
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// Print the ReplicaSet
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log.Info("Reconciling ReplicaSet", "container name", rs.Spec.Template.Spec.Containers[0].Name)
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// Set the label if it is missing
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if rs.Labels == nil {
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rs.Labels = map[string]string{}
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}
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if rs.Labels["hello"] == "world" {
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return reconcile.Result{}, nil
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}
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// Update the ReplicaSet
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rs.Labels["hello"] = "world"
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err = r.client.Update(context.TODO(), rs)
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if err != nil {
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log.Error(err, "Could not write ReplicaSet")
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return reconcile.Result{}, err
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}
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return reconcile.Result{}, nil
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}
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