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fix: watch error in resource controller (#4751)

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Signed-off-by: Charles-Edouard Brétéché <charled.breteche@gmail.com>
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Charles-Edouard Brétéché 2022-09-29 20:09:34 +02:00 committed by GitHub
parent 5a3532da91
commit 7fa796e24a
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 38 additions and 29 deletions
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67
pkg/controllers/report/resource/controller.go
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@ -139,37 +139,46 @@ func (c *controller) updateDynamicWatchers() error {
delete(c.dynamicWatchers, gvr)
} else {
logger.Info("start watcher ...", "gvr", gvr)
watchInterface, _ := c.client.GetDynamicInterface().Resource(gvr).Watch(context.TODO(), metav1.ListOptions{})
w := &watcher{
watcher: watchInterface,
gvk: gvr.GroupVersion().WithKind(kind),
hashes: map[types.UID]Resource{},
}
go func() {
gvr := gvr
defer logger.Info("watcher stopped")
for event := range watchInterface.ResultChan() {
switch event.Type {
case watch.Added:
c.updateHash(event.Object.(*unstructured.Unstructured), gvr)
case watch.Modified:
c.updateHash(event.Object.(*unstructured.Unstructured), gvr)
case watch.Deleted:
c.deleteHash(event.Object.(*unstructured.Unstructured), gvr)
watchInterface, err := c.client.GetDynamicInterface().Resource(gvr).Watch(context.TODO(), metav1.ListOptions{})
if err != nil {
logger.Error(err, "failed to create watcher", "gvr", gvr)
} else {
w := &watcher{
watcher: watchInterface,
gvk: gvr.GroupVersion().WithKind(kind),
hashes: map[types.UID]Resource{},
}
go func() {
gvr := gvr
defer logger.Info("watcher stopped")
for event := range watchInterface.ResultChan() {
switch event.Type {
case watch.Added:
c.updateHash(event.Object.(*unstructured.Unstructured), gvr)
case watch.Modified:
c.updateHash(event.Object.(*unstructured.Unstructured), gvr)
case watch.Deleted:
c.deleteHash(event.Object.(*unstructured.Unstructured), gvr)
}
}
}()
objs, err := c.client.GetDynamicInterface().Resource(gvr).List(context.TODO(), metav1.ListOptions{})
if err != nil {
logger.Error(err, "failed to list resources", "gvr", gvr)
watchInterface.Stop()
} else {
for _, obj := range objs.Items {
uid := obj.GetUID()
hash := reportutils.CalculateResourceHash(obj)
w.hashes[uid] = Resource{
Hash: hash,
Namespace: obj.GetNamespace(),
Name: obj.GetName(),
}
c.notify(uid, w.gvk, w.hashes[uid])
}
dynamicWatchers[gvr] = w
}
}()
dynamicWatchers[gvr] = w
objs, _ := c.client.GetDynamicInterface().Resource(gvr).List(context.TODO(), metav1.ListOptions{})
for _, obj := range objs.Items {
uid := obj.GetUID()
hash := reportutils.CalculateResourceHash(obj)
w.hashes[uid] = Resource{
Hash: hash,
Namespace: obj.GetNamespace(),
Name: obj.GetName(),
}
c.notify(uid, w.gvk, w.hashes[uid])
}
}
}