/
wansync_controller.go
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/
wansync_controller.go
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package hazelcast
import (
"context"
"fmt"
"github.com/go-logr/logr"
kerrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
hazelcastv1alpha1 "github.com/hazelcast/hazelcast-platform-operator/api/v1alpha1"
controllers "github.com/hazelcast/hazelcast-platform-operator/internal/controller"
hzclient "github.com/hazelcast/hazelcast-platform-operator/internal/hazelcast-client"
n "github.com/hazelcast/hazelcast-platform-operator/internal/naming"
"github.com/hazelcast/hazelcast-platform-operator/internal/util"
)
// WanSyncReconciler reconciles a WanSync object
type WanSyncReconciler struct {
client.Client
logr.Logger
Scheme *runtime.Scheme
clientRegistry hzclient.ClientRegistry
wanSyncService *hzclient.WanSyncService
phoneHomeTrigger chan struct{}
}
func NewWanSyncReconciler(c client.Client, log logr.Logger, scheme *runtime.Scheme, cs hzclient.ClientRegistry, pht chan struct{}) *WanSyncReconciler {
return &WanSyncReconciler{
Client: c,
Logger: log,
Scheme: scheme,
clientRegistry: cs,
phoneHomeTrigger: pht,
wanSyncService: hzclient.NewWanSyncService(cs),
}
}
//+kubebuilder:rbac:groups=hazelcast.com,resources=wansyncs,verbs=get;list;watch;create;update;patch;delete
//+kubebuilder:rbac:groups=hazelcast.com,resources=wansyncs/status,verbs=get;update;patch
//+kubebuilder:rbac:groups=hazelcast.com,resources=wansyncs/finalizers,verbs=update
func (r *WanSyncReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
logger := r.WithValues("name", req.Name, "namespace", req.NamespacedName)
wan := &hazelcastv1alpha1.WanSync{}
if err := r.Get(ctx, req.NamespacedName, wan); err != nil {
if kerrors.IsNotFound(err) {
logger.V(util.DebugLevel).Info("Could not find WanSync, it is probably already deleted")
return ctrl.Result{}, nil
}
return updateWanSyncStatus(ctx, r.Client, wan,
wanSyncFailedStatus(fmt.Errorf("could not get WanSync: %w", err)))
}
if !controllerutil.ContainsFinalizer(wan, n.Finalizer) && wan.GetDeletionTimestamp().IsZero() {
controllerutil.AddFinalizer(wan, n.Finalizer)
if err := r.Update(ctx, wan); err != nil {
return ctrl.Result{}, err
}
return ctrl.Result{}, nil
}
//Check if the WanSync CR is marked to be deleted
if wan.GetDeletionTimestamp() != nil {
err := r.executeFinalizer(ctx, wan, logger)
if err != nil {
return updateWanSyncStatus(ctx, r.Client, wan, wanSyncFailedStatus(err))
}
logger.V(util.DebugLevel).Info("Finalizer's pre-delete function executed successfully and the finalizer removed from custom resource", "Name:", n.Finalizer)
return ctrl.Result{}, nil
}
if err := hazelcastv1alpha1.ValidateWanSyncSpec(wan); err != nil {
return updateWanSyncStatus(ctx, r.Client, wan, wanSyncFailedStatus(err))
}
wr, err := r.getWanReplication(ctx, wan)
if err != nil {
return updateWanSyncStatus(ctx, r.Client, wan, wanSyncFailedStatus(err))
}
if wr.Status.Status != hazelcastv1alpha1.WanStatusSuccess {
return updateWanSyncStatus(ctx, r.Client, wan, wanSyncPendingStatus())
}
maps, err := getMapsGroupByHazelcastName(ctx, r.Client, wr)
if err != nil {
return updateWanSyncStatus(ctx, r.Client, wan,
wanSyncFailedStatus(fmt.Errorf("could not get WanSync maps: %w", err)))
}
if !controllers.IsApplied(wan.ObjectMeta) {
if err := r.Update(ctx, controllers.InsertLastAppliedSpec(wan.Spec, wan)); err != nil {
return updateWanSyncStatus(ctx, r.Client, wan, wanSyncFailedStatus(err))
} else {
return updateWanSyncStatus(ctx, r.Client, wan, wanSyncStatus(maps))
}
}
if err = r.runWanSyncJobs(ctx, maps, wan, wr, logger); err != nil {
return updateWanSyncStatus(ctx, r.Client, wan, wanSyncFailedStatus(err))
}
if util.IsPhoneHomeEnabled() && !controllers.IsSuccessfullyApplied(wan) {
go func() { r.phoneHomeTrigger <- struct{}{} }()
}
if err = r.Update(ctx, controllers.InsertLastSuccessfullyAppliedSpec(wan.Spec, wan)); err != nil {
return updateWanSyncStatus(ctx, r.Client, wan, wanSyncFailedStatus(err))
}
return ctrl.Result{}, nil
}
func (r *WanSyncReconciler) runWanSyncJobs(ctx context.Context, maps map[string][]hazelcastv1alpha1.Map, wan *hazelcastv1alpha1.WanSync, wr *hazelcastv1alpha1.WanReplication, logger logr.Logger) error {
wsrs := make([]hzclient.WanSyncMapRequest, 0)
for hzResourceName, mps := range maps {
h := &hazelcastv1alpha1.Hazelcast{}
if err := r.Client.Get(ctx, types.NamespacedName{Name: hzResourceName, Namespace: wan.Namespace}, h); err != nil {
return fmt.Errorf("failed to get Hazelcast CR for WAN Sync: %w", err)
}
logger.Info("Maps size", "size", len(mps))
for _, m := range mps {
mapWanKey := wanMapKey(hzResourceName, m.MapName())
if m.Status.State != hazelcastv1alpha1.MapSuccess {
logger.Info("Not running WAN Sync for ", "mapKey", mapWanKey, "because the map state is ", m.Status.State)
continue
}
if mapStatus, ok := wan.Status.WanSyncMapsStatus[mapWanKey]; ok && mapStatus.Phase != hazelcastv1alpha1.WanSyncNotStarted {
logger.V(util.DebugLevel).Info("WAN Sync Job already queued",
"name", m.Name, "namespace", m.Namespace, "map", m.MapName())
continue
}
logger.V(util.DebugLevel).Info("Creating WanSync for map:",
"name", m.Name, "namespace", m.Namespace)
wsrs = append(wsrs, hzclient.NewWanSyncMapRequest(
types.NamespacedName{Name: hzResourceName, Namespace: wan.Namespace},
wan.Name, m.MapName(), wanName(m.MapName()), wr.PublisherId(m.Name)))
}
}
if len(wsrs) == 0 {
return nil
}
r.wanSyncService.AddWanSyncRequests(types.NamespacedName{Name: wan.Name, Namespace: wan.Namespace}, wsrs)
r.wanSyncService.StartSyncJob(ctx, r.stateEventUpdate(ctx, wan, logger), logger)
return nil
}
func (r *WanSyncReconciler) stateEventUpdate(ctx context.Context, ws *hazelcastv1alpha1.WanSync, logger logr.Logger) func(event hzclient.WanSyncMapResponse) {
return func(event hzclient.WanSyncMapResponse) {
logger.V(util.DebugLevel).Info(
"Updating the WAN Sync map status", "map", event.Event.MapName(), "uuid", event.Event.UUID(), "type", event.Event.Type)
if !event.Event.Type.IsWanSync() {
return
}
ms := wanSyncMapStatus{
phase: hazelcastv1alpha1.WanSyncPending,
}
if event.Event.Type.IsDone() {
ms = wanSyncMapStatus{
phase: hazelcastv1alpha1.WanSyncCompleted,
publisherId: event.Event.PublisherId(),
}
} else if event.Event.Type.IsError() {
ms = wanSyncMapStatus{
phase: hazelcastv1alpha1.WanSyncFailed,
message: event.Event.Reason(),
publisherId: event.Event.PublisherId(),
}
}
key := wanMapKey(event.HazelcastName.Name, event.Event.MapName())
logger.V(util.DebugLevel).Info("Map status to update", "key", key, "phase", ms.phase)
err := updateWanSyncMapStatus(ctx, r.Client, types.NamespacedName{Name: ws.Name, Namespace: ws.Namespace}, key, ms)
if err != nil {
logger.Error(err, "unable to update map WAN Sync status")
}
}
}
func (r *WanSyncReconciler) getWanReplication(ctx context.Context, ws *hazelcastv1alpha1.WanSync) (*hazelcastv1alpha1.WanReplication, error) {
var wr = &hazelcastv1alpha1.WanReplication{}
if ws.Spec.WanReplicationResourceName != "" {
err := r.Client.Get(ctx, types.NamespacedName{Name: ws.Spec.WanReplicationResourceName, Namespace: ws.Namespace}, wr)
if err != nil {
return nil, err
}
return wr, nil
}
err := r.Client.Get(ctx, types.NamespacedName{Name: ws.Name, Namespace: ws.Namespace}, wr)
if err != nil {
return nil, err
}
return wr, nil
}
func (r *WanSyncReconciler) executeFinalizer(ctx context.Context, ws *hazelcastv1alpha1.WanSync, logger logr.Logger) error {
if !controllerutil.ContainsFinalizer(ws, n.Finalizer) {
return nil
}
controllerutil.RemoveFinalizer(ws, n.Finalizer)
if err := r.Update(ctx, ws); err != nil {
return fmt.Errorf("failed to remove finalizer from custom resource: %w", err)
}
return nil
}
// SetupWithManager sets up the controller with the Manager.
func (r *WanSyncReconciler) SetupWithManager(mgr ctrl.Manager) error {
return ctrl.NewControllerManagedBy(mgr).
For(&hazelcastv1alpha1.WanSync{}).
Complete(r)
}