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service_controller.go
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service_controller.go
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package service
import (
"context"
"time"
cloudruncontrollerv1alpha1 "github.com/barpilot/cloud-run-controller/pkg/apis/cloudruncontroller/v1alpha1"
"github.com/barpilot/cloud-run-controller/pkg/run"
"github.com/barpilot/cloud-run-controller/pkg/utils"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller"
"sigs.k8s.io/controller-runtime/pkg/handler"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
logf "sigs.k8s.io/controller-runtime/pkg/runtime/log"
"sigs.k8s.io/controller-runtime/pkg/source"
)
var log = logf.Log.WithName("controller_service")
const requeueAfter = time.Minute * 5
const (
serviceFinalizer = "finalizer.service.cloud-run-controler.barpilot.io/v1alpha1"
annotationDeletion = "removeOnDelete"
)
/**
* USER ACTION REQUIRED: This is a scaffold file intended for the user to modify with their own Controller
* business logic. Delete these comments after modifying this file.*
*/
// Add creates a new Service Controller and adds it to the Manager. The Manager will set fields on the Controller
// and Start it when the Manager is Started.
func Add(mgr manager.Manager) error {
return add(mgr, newReconciler(mgr))
}
// newReconciler returns a new reconcile.Reconciler
func newReconciler(mgr manager.Manager) reconcile.Reconciler {
return &ReconcileService{
client: mgr.GetClient(),
scheme: mgr.GetScheme(),
finalizer: utils.NewFinalizer(serviceFinalizer),
}
}
// add adds a new Controller to mgr with r as the reconcile.Reconciler
func add(mgr manager.Manager, r reconcile.Reconciler) error {
// Create a new controller
c, err := controller.New("service-controller", mgr, controller.Options{Reconciler: r})
if err != nil {
return err
}
// Watch for changes to primary resource Service
err = c.Watch(&source.Kind{Type: &cloudruncontrollerv1alpha1.Service{}}, &handler.EnqueueRequestForObject{})
if err != nil {
return err
}
return nil
}
var _ reconcile.Reconciler = &ReconcileService{}
// ReconcileService reconciles a Service object
type ReconcileService struct {
// This client, initialized using mgr.Client() above, is a split client
// that reads objects from the cache and writes to the apiserver
client client.Client
scheme *runtime.Scheme
finalizer *utils.Finalizer
}
// Reconcile reads that state of the cluster for a Service object and makes changes based on the state read
// and what is in the Service.Spec
// TODO(user): Modify this Reconcile function to implement your Controller logic. This example creates
// a Pod as an example
// Note:
// The Controller will requeue the Request to be processed again if the returned error is non-nil or
// Result.Requeue is true, otherwise upon completion it will remove the work from the queue.
func (r *ReconcileService) Reconcile(request reconcile.Request) (reconcile.Result, error) {
reqLogger := log.WithValues("Request.Namespace", request.Namespace, "Request.Name", request.Name)
reqLogger.Info("Reconciling Service")
// Fetch the Service instance
instance := &cloudruncontrollerv1alpha1.Service{}
err := r.client.Get(context.TODO(), request.NamespacedName, instance)
if err != nil {
if errors.IsNotFound(err) {
// Request object not found, could have been deleted after reconcile request.
// Owned objects are automatically garbage collected. For additional cleanup logic use finalizers.
// Return and don't requeue
return reconcile.Result{}, nil
}
// Error reading the object - requeue the request.
return reconcile.Result{}, err
}
rm, err := run.NewRunManager(instance.Spec.Project)
if err != nil {
return reconcile.Result{}, err
}
parent := utils.Parent(instance.Spec.Project, instance.Spec.Location)
if r.finalizer.IsDeletionCandidate(instance) {
if value, exists := instance.GetAnnotations()[annotationDeletion]; exists && value == "true" {
log.Info("Delete Cloud Run Service", "service", instance.Spec.Service)
if err := rm.Delete(parent, instance.Spec.Service); err != nil {
return reconcile.Result{}, err
}
}
r.finalizer.Remove(instance)
return reconcile.Result{}, r.client.Update(context.TODO(), instance)
}
// Be sure namespace is correctly set
if instance.Spec.Service.Metadata.Namespace == "" {
instance.Spec.Service.Metadata.Namespace = instance.Spec.Project
}
r.finalizer.Add(instance)
if err := rm.CreateOrUpdate(parent, instance.Spec.Service); err != nil {
return reconcile.Result{}, err
}
reqLogger.Info("End of work", "requeue", requeueAfter)
return reconcile.Result{RequeueAfter: requeueAfter}, nil
}