122 lines
4.1 KiB
Go
122 lines
4.1 KiB
Go
/*
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Copyright 2018 the Velero contributors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package controller
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import (
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"context"
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"time"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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"k8s.io/apimachinery/pkg/runtime"
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ctrl "sigs.k8s.io/controller-runtime"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"sigs.k8s.io/controller-runtime/pkg/controller"
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"github.com/vmware-tanzu/velero/internal/velero"
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velerov1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v1"
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"github.com/vmware-tanzu/velero/pkg/plugin/framework"
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)
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const (
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ttl = time.Minute
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statusRequestResyncPeriod = 5 * time.Minute
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)
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type PluginLister interface {
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// List returns all PluginIdentifiers for kind.
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List(kind framework.PluginKind) []framework.PluginIdentifier
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}
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// ServerStatusRequestReconciler reconciles a ServerStatusRequest object
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type ServerStatusRequestReconciler struct {
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Scheme *runtime.Scheme
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Client client.Client
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Ctx context.Context
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ServerStatus velero.ServerStatus
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Log logrus.FieldLogger
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}
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// +kubebuilder:rbac:groups=velero.io,resources=serverstatusrequests,verbs=get;list;watch;create;update;patch;delete
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// +kubebuilder:rbac:groups=velero.io,resources=serverstatusrequests/status,verbs=get;update;patch
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func (r *ServerStatusRequestReconciler) Reconcile(req ctrl.Request) (ctrl.Result, error) {
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log := r.Log.WithFields(logrus.Fields{
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"controller": ServerStatusRequest,
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"serverStatusRequest": req.NamespacedName,
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})
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// Fetch the ServerStatusRequest instance.
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log.Debug("Getting ServerStatusRequest")
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statusRequest := &velerov1api.ServerStatusRequest{}
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if err := r.Client.Get(r.Ctx, req.NamespacedName, statusRequest); err != nil {
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if apierrors.IsNotFound(err) {
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log.WithError(err).Error("ServerStatusRequest not found")
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return ctrl.Result{}, nil
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}
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log.WithError(err).Error("Error getting ServerStatusRequest")
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// Error reading the object - requeue the request.
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return ctrl.Result{}, err
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}
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log = r.Log.WithFields(logrus.Fields{
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"controller": ServerStatusRequest,
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"serverStatusRequest": req.NamespacedName,
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"phase": statusRequest.Status.Phase,
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})
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switch statusRequest.Status.Phase {
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case "", velerov1api.ServerStatusRequestPhaseNew:
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log.Info("Processing new ServerStatusRequest")
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if err := r.ServerStatus.PatchStatusProcessed(r.Client, statusRequest, r.Ctx); err != nil {
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log.WithError(err).Error("Unable to update the request")
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return ctrl.Result{RequeueAfter: statusRequestResyncPeriod}, err
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}
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case velerov1api.ServerStatusRequestPhaseProcessed:
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log.Debug("Checking whether ServerStatusRequest has expired")
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expiration := statusRequest.Status.ProcessedTimestamp.Add(ttl)
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if expiration.After(r.ServerStatus.Clock.Now()) {
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log.Debug("ServerStatusRequest has not expired")
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return ctrl.Result{RequeueAfter: statusRequestResyncPeriod}, nil
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}
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log.Debug("ServerStatusRequest has expired, deleting it")
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if err := r.Client.Delete(r.Ctx, statusRequest); err != nil {
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log.WithError(err).Error("Unable to delete the request")
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return ctrl.Result{}, nil
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}
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default:
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return ctrl.Result{}, errors.New("unexpected ServerStatusRequest phase")
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}
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// Requeue is mostly to handle deleting any expired status requests that were not
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// deleted as part of the normal client flow for whatever reason.
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return ctrl.Result{RequeueAfter: statusRequestResyncPeriod}, nil
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}
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func (r *ServerStatusRequestReconciler) SetupWithManager(mgr ctrl.Manager) error {
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return ctrl.NewControllerManagedBy(mgr).
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For(&velerov1api.ServerStatusRequest{}).
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WithOptions(controller.Options{
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MaxConcurrentReconciles: 10,
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}).
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Complete(r)
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}
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