tchughesiv commented on code in PR #345: URL: https://github.com/apache/incubator-kie-kogito-serverless-operator/pull/345#discussion_r1457758695
########## controllers/sonataflowclusterplatform_controller.go: ########## @@ -0,0 +1,175 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you 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" + "fmt" + "time" + + "github.com/apache/incubator-kie-kogito-serverless-operator/api" + operatorapi "github.com/apache/incubator-kie-kogito-serverless-operator/api/v1alpha08" + clientr "github.com/apache/incubator-kie-kogito-serverless-operator/container-builder/client" + "github.com/apache/incubator-kie-kogito-serverless-operator/controllers/clusterplatform" + "github.com/apache/incubator-kie-kogito-serverless-operator/log" + corev1 "k8s.io/api/core/v1" + "k8s.io/apimachinery/pkg/api/errors" + "k8s.io/apimachinery/pkg/runtime" + "k8s.io/apimachinery/pkg/types" + "k8s.io/client-go/rest" + "k8s.io/client-go/tools/record" + "k8s.io/klog/v2" + ctrlrun "sigs.k8s.io/controller-runtime" + "sigs.k8s.io/controller-runtime/pkg/client" + ctrl "sigs.k8s.io/controller-runtime/pkg/client" + "sigs.k8s.io/controller-runtime/pkg/handler" + "sigs.k8s.io/controller-runtime/pkg/reconcile" +) + +// SonataFlowClusterPlatformReconciler reconciles a SonataFlowClusterPlatform object +type SonataFlowClusterPlatformReconciler struct { + // This Client, initialized using mgr.Client() above, is a split Client + // that reads objects from the cache and writes to the API server + ctrl.Client + // Non-caching Client + Reader ctrl.Reader + Scheme *runtime.Scheme + Config *rest.Config + Recorder record.EventRecorder +} + +//+kubebuilder:rbac:groups=sonataflow.org,resources=sonataflowclusterplatforms,verbs=get;list;watch;create;update;patch;delete +//+kubebuilder:rbac:groups=sonataflow.org,resources=sonataflowclusterplatforms/status,verbs=get;update;patch +//+kubebuilder:rbac:groups=sonataflow.org,resources=sonataflowclusterplatforms/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. +// TODO(user): Modify the Reconcile function to compare the state specified by +// the SonataFlowClusterPlatform 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/[email protected]/pkg/reconcile +func (r *SonataFlowClusterPlatformReconciler) Reconcile(ctx context.Context, req reconcile.Request) (reconcile.Result, error) { + + // Fetch the SonataFlowClusterPlatform instance + var instance operatorapi.SonataFlowClusterPlatform + + err := r.Client.Get(ctx, req.NamespacedName, &instance) + if err != nil { + if errors.IsNotFound(err) { + return reconcile.Result{}, nil + } + klog.V(log.E).ErrorS(err, "Failed to get SonataFlowClusterPlatform") + return reconcile.Result{}, err + } + + instance.Status.Manager().InitializeConditions() + + cli, _ := clientr.FromCtrlClientSchemeAndConfig(r.Client, r.Scheme, r.Config) + action := clusterplatform.NewInitializeAction() + action.InjectClient(cli) + klog.V(log.I).InfoS("Invoking action", "Name", action.Name()) + + target := instance.DeepCopy() + + if action.CanHandle(ctx, target) { + if err = action.Handle(ctx, target); err != nil { + target.Status.Manager().MarkFalse(api.SucceedConditionType, operatorapi.PlatformFailureReason, err.Error()) + if err := r.Client.Status().Patch(ctx, target, ctrl.MergeFrom(&instance)); err != nil { + return reconcile.Result{}, err + } + r.Recorder.Event(&instance, corev1.EventTypeWarning, "Failed", fmt.Sprintf("Failed to update SonataFlowClusterPlaform: %s", err)) + return reconcile.Result{}, err + } + + if target != nil { + target.Status.ObservedGeneration = instance.Generation + + if err := r.Client.Status().Patch(ctx, target, ctrl.MergeFrom(&instance)); err != nil { + r.Recorder.Event(&instance, corev1.EventTypeNormal, "Status Updated", fmt.Sprintf("Updated cluster platform condition %s", instance.Status.GetTopLevelCondition())) + return reconcile.Result{}, err + } + } + + // handle one action at time so the resource + // is always at its latest state + r.Recorder.Event(&instance, corev1.EventTypeNormal, "Updated", fmt.Sprintf("Updated cluster platform condition to %s", instance.Status.GetTopLevelCondition())) + + if target != nil && target.Status.IsReady() { + return reconcile.Result{}, nil + } + + // Requeue + return reconcile.Result{ + RequeueAfter: 5 * time.Second, + }, nil + } + + return reconcile.Result{}, nil +} + +// SetupWithManager sets up the controller with the Manager. +func (r *SonataFlowClusterPlatformReconciler) SetupWithManager(mgr ctrlrun.Manager) error { + return ctrlrun.NewControllerManagedBy(mgr). + For(&operatorapi.SonataFlowClusterPlatform{}). + Watches(&operatorapi.SonataFlowPlatform{}, handler.EnqueueRequestsFromMapFunc(r.mapPlatformToClusterPlatformRequests)). + Watches(&operatorapi.SonataFlowClusterPlatform{}, handler.EnqueueRequestsFromMapFunc(r.mapClusterPlatformToClusterPlatformRequests)). + Complete(r) +} + +// if actively referenced sonataflowplatform object is changed, reconcile the active SonataFlowClusterPlatform. +func (r *SonataFlowClusterPlatformReconciler) mapPlatformToClusterPlatformRequests(ctx context.Context, object client.Object) []reconcile.Request { + platform := object.(*operatorapi.SonataFlowPlatform) + sfcPlatform, err := clusterplatform.GetActiveClusterPlatform(ctx, r.Client) + if err != nil && !errors.IsNotFound(err) { + klog.V(log.E).ErrorS(err, "Failed to get active SonataFlowClusterPlatform") Review Comment: its not mandatory, no... but this error is only displayed when something went wrong. the user will not see this error if no active cluster platform is found, hence the `&& !errors.IsNotFound(err) {` check above. -- This is an automated message from the Apache Git Service. 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