package controllers import ( "context" "time" appsv1 "k8s.io/api/apps/v1" corev1 "k8s.io/api/core/v1" "k8s.io/apimachinery/pkg/api/errors" "k8s.io/apimachinery/pkg/types" ctrl "sigs.k8s.io/controller-runtime" seaweedv1 "github.com/seaweedfs/seaweedfs-operator/api/v1" ) const ( MasterClusterSize = 3 ) func (r *SeaweedReconciler) ensureMaster(seaweedCR *seaweedv1.Seaweed) (done bool, result ctrl.Result, err error) { _ = context.Background() _ = r.Log.WithValues("seaweed", seaweedCR.Name) if done, result, err = r.ensureMasterService(seaweedCR); done { return } if done, result, err = r.ensureMasterStatefulSet(seaweedCR); done { return } return } func (r *SeaweedReconciler) ensureMasterStatefulSet(seaweedCR *seaweedv1.Seaweed) (bool, ctrl.Result, error) { ctx := context.Background() log := r.Log.WithValues("sw-master-statefulset", seaweedCR.Name) masterStatefulSet := &appsv1.StatefulSet{} err := r.Get(ctx, types.NamespacedName{Name: seaweedCR.Name + "-master", Namespace: seaweedCR.Namespace}, masterStatefulSet) if err != nil && errors.IsNotFound(err) { // Define a new deployment dep := r.createMasterStatefulSet(seaweedCR) log.Info("Creating a new master statefulset", "Namespace", dep.Namespace, "Name", dep.Name) err = r.Create(ctx, dep) if err != nil { log.Error(err, "Failed to create master statefulset", "Namespace", dep.Namespace, "Name", dep.Name) return ReconcileResult(err) } // sleep 60 seconds for DNS to have pod IP addresses ready time.Sleep(time.Minute) // Deployment created successfully - return and requeue return ReconcileResult(err) } else if err != nil { log.Error(err, "Failed to get Deployment") return ReconcileResult(err) } log.Info("master version " + masterStatefulSet.Spec.Template.Spec.Containers[0].Image + " expected " + seaweedCR.Spec.Image) if masterStatefulSet.Spec.Template.Spec.Containers[0].Image != seaweedCR.Spec.Image { masterStatefulSet.Spec.Template.Spec.Containers[0].Image = seaweedCR.Spec.Image if err = r.Update(ctx, masterStatefulSet); err != nil { log.Error(err, "Failed to update master statefulset", "Namespace", masterStatefulSet.Namespace, "Name", masterStatefulSet.Name) return ReconcileResult(err) } // Deployment created successfully - return and requeue return ReconcileResult(err) } log.Info("Get master stateful set " + masterStatefulSet.Name) return ReconcileResult(err) } func (r *SeaweedReconciler) ensureMasterService(seaweedCR *seaweedv1.Seaweed) (bool, ctrl.Result, error) { ctx := context.Background() log := r.Log.WithValues("sw-master-service", seaweedCR.Name) masterService := &corev1.Service{} err := r.Get(ctx, types.NamespacedName{Name: seaweedCR.Name + "-master", Namespace: seaweedCR.Namespace}, masterService) if err != nil && errors.IsNotFound(err) { // Define a new deployment dep := r.createMasterService(seaweedCR) log.Info("Creating a new master service", "Namespace", dep.Namespace, "Name", dep.Name) err = r.Create(ctx, dep) if err != nil { log.Error(err, "Failed to create master service", "Namespace", dep.Namespace, "Name", dep.Name) return ReconcileResult(err) } // Deployment created successfully - return and requeue return ReconcileResult(err) } else if err != nil { log.Error(err, "Failed to get master service", "Namespace", seaweedCR.Namespace, "Name", seaweedCR.Name+"-master") return ReconcileResult(err) } log.Info("Get master service " + masterService.Name) return ReconcileResult(err) } func labelsForMaster(name string) map[string]string { return map[string]string{"app": "seaweedfs", "role": "master", "name": name} }