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managementcenter_controller.go
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/
managementcenter_controller.go
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package managementcenter
import (
"context"
"encoding/json"
"reflect"
"time"
"github.com/go-logr/logr"
routev1 "github.com/openshift/api/route/v1"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
"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"
recoptions "github.com/hazelcast/hazelcast-platform-operator/controllers"
n "github.com/hazelcast/hazelcast-platform-operator/internal/naming"
"github.com/hazelcast/hazelcast-platform-operator/internal/util"
)
const retryAfter = 10 * time.Second
// ManagementCenterReconciler reconciles a ManagementCenter object
type ManagementCenterReconciler struct {
client.Client
Log logr.Logger
Scheme *runtime.Scheme
phoneHomeTrigger chan struct{}
}
func NewManagementCenterReconciler(c client.Client, log logr.Logger, s *runtime.Scheme, pht chan struct{}) *ManagementCenterReconciler {
return &ManagementCenterReconciler{
Client: c,
Log: log,
Scheme: s,
phoneHomeTrigger: pht,
}
}
// Role related to CRs
//+kubebuilder:rbac:groups=hazelcast.com,resources=managementcenters,verbs=get;list;watch;create;update;patch;delete,namespace=watched
//+kubebuilder:rbac:groups=hazelcast.com,resources=managementcenters/status,verbs=get;update;patch,namespace=watched
//+kubebuilder:rbac:groups=hazelcast.com,resources=managementcenters/finalizers,verbs=update,namespace=watched
// Role related to Reconcile() duplicated in hazelcast_controller.go
//+kubebuilder:rbac:groups="",resources=events;services;pods,verbs=get;list;watch;create;update;patch;delete,namespace=watched
//+kubebuilder:rbac:groups="apps",resources=statefulsets,verbs=get;list;watch;create;update;patch;delete,namespace=watched
// Role related to Reconcile()
//+kubebuilder:rbac:groups="networking.k8s.io",resources=ingresses,verbs=get;list;watch;create;update;patch;delete,namespace=watched
//+kubebuilder:rbac:groups="route.openshift.io",resources=routes,verbs=get;list;watch;create;update;patch;delete,namespace=watched
//+kubebuilder:rbac:groups="route.openshift.io",resources=routes/custom-host,verbs=create,namespace=watched
//+kubebuilder:rbac:groups="route.openshift.io",resources=routes/status,verbs=get,namespace=watched
func (r *ManagementCenterReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
logger := r.Log.WithValues("management-center", req.NamespacedName)
mc := &hazelcastv1alpha1.ManagementCenter{}
err := r.Client.Get(ctx, req.NamespacedName, mc)
if err != nil {
if errors.IsNotFound(err) {
logger.Info("Management Center resource not found. Ignoring since object must be deleted.")
return ctrl.Result{}, nil
}
return update(ctx, r.Client, mc, recoptions.Error(err), withMcFailedPhase(err.Error()))
}
err = util.AddFinalizer(ctx, r.Client, mc, logger)
if err != nil {
return update(ctx, r.Client, mc, recoptions.Error(err), withMcFailedPhase(err.Error()))
}
//Check if the ManagementCenter CR is marked to be deleted
if mc.GetDeletionTimestamp() != nil {
// Execute finalizer's pre-delete function to delete MC metric
err = r.executeFinalizer(ctx, mc)
if err != nil {
return update(ctx, r.Client, mc, recoptions.Error(err), withMcFailedPhase(err.Error()))
}
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
}
err = hazelcastv1alpha1.ValidateManagementCenterSpec(mc)
if err != nil {
return update(ctx, r.Client, mc, recoptions.Error(err), withMcFailedPhase(err.Error()))
}
err = r.reconcileService(ctx, mc, logger)
if err != nil {
return update(ctx, r.Client, mc, recoptions.Error(err), withMcFailedPhase(err.Error()))
}
err = r.reconcileIngress(ctx, mc, logger)
if err != nil {
return update(ctx, r.Client, mc, recoptions.Error(err), withMcFailedPhase(err.Error()))
}
err = r.reconcileRoute(ctx, mc, logger)
if err != nil {
return update(ctx, r.Client, mc, recoptions.Error(err), withMcFailedPhase(err.Error()))
}
err = r.reconcileSecret(ctx, mc, logger)
if err != nil {
return update(ctx, r.Client, mc, recoptions.Error(err), withMcFailedPhase(err.Error()))
}
if reconfigured := isMCReconfigured(mc); reconfigured {
return update(ctx, r.Client, mc, recoptions.Error(err), withMcPhase(hazelcastv1alpha1.McPending), withConfigured(false))
}
err = r.reconcileStatefulset(ctx, mc, logger)
if err != nil {
// Conflicts are expected and will be handled on the next reconcile loop, no need to error out here
if errors.IsConflict(err) {
return ctrl.Result{}, nil
} else {
return update(ctx, r.Client, mc, recoptions.Error(err), withMcFailedPhase(err.Error()))
}
}
var statefulSet appsv1.StatefulSet
if err := r.Client.Get(ctx, req.NamespacedName, &statefulSet); err != nil {
if errors.IsNotFound(err) {
if mc.Status.Phase == hazelcastv1alpha1.McConfiguring {
return update(ctx, r.Client, mc, recoptions.RetryAfter(retryAfter),
withMcPhase(hazelcastv1alpha1.McConfiguring),
)
}
return update(ctx, r.Client, mc, recoptions.RetryAfter(retryAfter), withMcPhase(hazelcastv1alpha1.McPending))
}
return update(ctx, r.Client, mc, recoptions.Error(err), withMcFailedPhase(err.Error()))
}
if ok, err := util.CheckIfRunning(ctx, r.Client, &statefulSet, 1); !ok {
if mc.Status.Phase == hazelcastv1alpha1.McConfiguring {
return update(ctx, r.Client, mc, recoptions.RetryAfter(retryAfter), withMcPhase(hazelcastv1alpha1.McConfiguring))
}
if err != nil {
return update(ctx, r.Client, mc, recoptions.Error(err), withMcFailedPhase(err.Error()))
}
return update(ctx, r.Client, mc, recoptions.RetryAfter(retryAfter), withMcPhase(hazelcastv1alpha1.McPending))
}
if util.IsPhoneHomeEnabled() && !util.IsSuccessfullyApplied(mc) {
go func() { r.phoneHomeTrigger <- struct{}{} }()
}
err = r.updateLastSuccessfulConfiguration(ctx, mc, logger)
if err != nil {
logger.Info("Could not save the current successful spec as annotation to the custom resource")
}
externalAddrs := util.GetExternalAddressesForMC(ctx, r.Client, mc, logger)
enrichedAddrs := enrichPublicAddresses(ctx, r.Client, mc, externalAddrs)
if mc.Spec.SecurityProviders.IsEnabled() && mc.Status.Phase == hazelcastv1alpha1.McPending {
return update(ctx, r.Client, mc, recoptions.Empty(), withMcPhase(hazelcastv1alpha1.McConfiguring), withConfigured(true))
}
return update(ctx, r.Client, mc, recoptions.Empty(), withMcPhase(hazelcastv1alpha1.McRunning), withMcExternalAddresses(enrichedAddrs))
}
func isMCReconfigured(mc *hazelcastv1alpha1.ManagementCenter) bool {
last, ok := mc.ObjectMeta.Annotations[n.LastSuccessfulSpecAnnotation]
if !ok {
return false
}
parsed := &hazelcastv1alpha1.ManagementCenterSpec{}
if err := json.Unmarshal([]byte(last), parsed); err != nil {
return false
}
return !reflect.DeepEqual(parsed.SecurityProviders, mc.Spec.SecurityProviders) && mc.Status.Configured
}
// SetupWithManager sets up the controller with the Manager.
func (r *ManagementCenterReconciler) SetupWithManager(mgr ctrl.Manager) error {
return ctrl.NewControllerManagedBy(mgr).
For(&hazelcastv1alpha1.ManagementCenter{}).
Owns(&appsv1.StatefulSet{}).
Owns(&corev1.Service{}).
Complete(r)
}
func (r *ManagementCenterReconciler) updateLastSuccessfulConfiguration(ctx context.Context, h *hazelcastv1alpha1.ManagementCenter, logger logr.Logger) error {
hs, err := json.Marshal(h.Spec)
if err != nil {
return err
}
opResult, err := util.Update(ctx, r.Client, h, func() error {
if h.ObjectMeta.Annotations == nil {
h.ObjectMeta.Annotations = map[string]string{}
}
h.ObjectMeta.Annotations[n.LastSuccessfulSpecAnnotation] = string(hs)
return nil
})
if opResult != controllerutil.OperationResultNone {
logger.Info("Operation result", "Management Center Annotation", h.Name, "result", opResult)
}
return err
}
func enrichPublicAddresses(ctx context.Context, cli client.Client, mc *hazelcastv1alpha1.ManagementCenter, externalAddresses []string) []string {
if mc.Spec.ExternalConnectivity.Ingress.IsEnabled() {
externalAddresses = append(externalAddresses, mc.Spec.ExternalConnectivity.Ingress.Hostname+":80")
}
if mc.Spec.ExternalConnectivity.Route.IsEnabled() {
route := &routev1.Route{}
err := cli.Get(ctx, types.NamespacedName{Name: mc.Name, Namespace: mc.Namespace}, route)
if err != nil {
return externalAddresses
}
externalAddresses = append(externalAddresses, route.Spec.Host+":80")
}
return externalAddresses
}