github.com/redhat-appstudio/release-service@v0.0.0-20240507045911-a8558ef3422a/controllers/releaseplan/controller.go (about)

     1  /*
     2  Copyright 2022.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package releaseplan
    18  
    19  import (
    20  	"context"
    21  
    22  	"github.com/konflux-ci/operator-toolkit/controller"
    23  	"sigs.k8s.io/controller-runtime/pkg/cluster"
    24  
    25  	"github.com/go-logr/logr"
    26  	"github.com/redhat-appstudio/release-service/api/v1alpha1"
    27  	"github.com/redhat-appstudio/release-service/controllers/utils/handlers"
    28  	"github.com/redhat-appstudio/release-service/controllers/utils/predicates"
    29  	"github.com/redhat-appstudio/release-service/loader"
    30  	"k8s.io/apimachinery/pkg/api/errors"
    31  	ctrl "sigs.k8s.io/controller-runtime"
    32  	"sigs.k8s.io/controller-runtime/pkg/builder"
    33  	"sigs.k8s.io/controller-runtime/pkg/client"
    34  	"sigs.k8s.io/controller-runtime/pkg/predicate"
    35  )
    36  
    37  // Controller reconciles a ReleasePlan object
    38  type Controller struct {
    39  	client client.Client
    40  	log    logr.Logger
    41  }
    42  
    43  //+kubebuilder:rbac:groups=appstudio.redhat.com,resources=releaseplanadmissions,verbs=get;list;watch
    44  //+kubebuilder:rbac:groups=appstudio.redhat.com,resources=releaseplans,verbs=get;list;watch;create;update;patch;delete
    45  //+kubebuilder:rbac:groups=appstudio.redhat.com,resources=releaseplans/status,verbs=get;update;patch
    46  //+kubebuilder:rbac:groups=appstudio.redhat.com,resources=releaseplans/finalizers,verbs=update
    47  
    48  // Reconcile is part of the main kubernetes reconciliation loop which aims to
    49  // move the current state of the cluster closer to the desired state.
    50  func (c *Controller) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
    51  	logger := c.log.WithValues("ReleasePlan", req.NamespacedName)
    52  
    53  	releasePlan := &v1alpha1.ReleasePlan{}
    54  	err := c.client.Get(ctx, req.NamespacedName, releasePlan)
    55  	if err != nil {
    56  		if errors.IsNotFound(err) {
    57  			return ctrl.Result{}, nil
    58  		}
    59  
    60  		return ctrl.Result{}, err
    61  	}
    62  
    63  	adapter := newAdapter(ctx, c.client, releasePlan, loader.NewLoader(), &logger)
    64  
    65  	return controller.ReconcileHandler([]controller.Operation{
    66  		adapter.EnsureMatchingInformationIsSet,
    67  		adapter.EnsureOwnerReferenceIsSet,
    68  	})
    69  }
    70  
    71  // Register registers the controller with the passed manager and log.
    72  func (c *Controller) Register(mgr ctrl.Manager, log *logr.Logger, _ cluster.Cluster) error {
    73  	c.client = mgr.GetClient()
    74  
    75  	return ctrl.NewControllerManagedBy(mgr).
    76  		For(&v1alpha1.ReleasePlan{}, builder.WithPredicates(predicate.GenerationChangedPredicate{}, predicates.MatchPredicate())).
    77  		Watches(&v1alpha1.ReleasePlanAdmission{}, &handlers.EnqueueRequestForMatchedResource{},
    78  			builder.WithPredicates(predicates.MatchPredicate())).
    79  		Complete(c)
    80  }
    81  
    82  // SetupCache indexes fields for each of the resources used in the releaseplan adapter in those cases where filtering by
    83  // field is required.
    84  // NOTE: Both the release and releaseplan controller need this ReleasePlanAdmission cache. However, it only needs to be added
    85  // once to the manager, so only one controller should add it. If it is removed from the Release controller, it should be added here.
    86  func (c *Controller) SetupCache(mgr ctrl.Manager) error {
    87  	return nil
    88  }