119 lines
3.4 KiB
Go
119 lines
3.4 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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"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/labels"
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"k8s.io/apimachinery/pkg/util/clock"
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"k8s.io/client-go/tools/cache"
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velerov1api "github.com/heptio/velero/pkg/apis/velero/v1"
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velerov1client "github.com/heptio/velero/pkg/generated/clientset/versioned/typed/velero/v1"
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velerov1informers "github.com/heptio/velero/pkg/generated/informers/externalversions/velero/v1"
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velerov1listers "github.com/heptio/velero/pkg/generated/listers/velero/v1"
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"github.com/heptio/velero/pkg/serverstatusrequest"
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kubeutil "github.com/heptio/velero/pkg/util/kube"
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)
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const statusRequestResyncPeriod = 5 * time.Minute
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type statusRequestController struct {
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*genericController
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client velerov1client.ServerStatusRequestsGetter
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lister velerov1listers.ServerStatusRequestLister
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clock clock.Clock
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}
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func NewServerStatusRequestController(
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logger logrus.FieldLogger,
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client velerov1client.ServerStatusRequestsGetter,
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informer velerov1informers.ServerStatusRequestInformer,
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) *statusRequestController {
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c := &statusRequestController{
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genericController: newGenericController("serverstatusrequest", logger),
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client: client,
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lister: informer.Lister(),
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clock: clock.RealClock{},
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}
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c.syncHandler = c.processItem
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c.cacheSyncWaiters = append(c.cacheSyncWaiters, informer.Informer().HasSynced)
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c.resyncFunc = c.enqueueAllItems
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c.resyncPeriod = statusRequestResyncPeriod
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informer.Informer().AddEventHandler(
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cache.ResourceEventHandlerFuncs{
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AddFunc: func(obj interface{}) {
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req := obj.(*velerov1api.ServerStatusRequest)
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key := kubeutil.NamespaceAndName(req)
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c.logger.WithFields(logrus.Fields{
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"serverStatusRequest": key,
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"phase": req.Status.Phase,
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}).Debug("Enqueueing server status request")
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c.queue.Add(key)
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},
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},
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)
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return c
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}
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func (c *statusRequestController) processItem(key string) error {
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log := c.logger.WithField("key", key)
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log.Debug("Running processItem")
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ns, name, err := cache.SplitMetaNamespaceKey(key)
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if err != nil {
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return errors.Wrap(err, "error splitting queue key")
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}
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log.Debug("Getting ServerStatusRequest")
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req, err := c.lister.ServerStatusRequests(ns).Get(name)
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// server status request no longer exists
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if apierrors.IsNotFound(err) {
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log.WithError(err).Debug("ServerStatusRequest not found")
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return nil
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}
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if err != nil {
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return errors.Wrap(err, "error getting ServerStatusRequest")
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}
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return serverstatusrequest.Process(req.DeepCopy(), c.client, c.clock, log)
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}
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func (c *statusRequestController) enqueueAllItems() {
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items, err := c.lister.List(labels.Everything())
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if err != nil {
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c.logger.WithError(err).Error("Error listing all server status requests")
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return
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}
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for _, req := range items {
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c.enqueue(req)
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}
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}
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