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lib/promscrape/discovery/kubernetes: refresh role: endpoints targets on service object removal as Prometheus does

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This is a follow-up for ae37cfd528

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1240
This commit is contained in:
Aliaksandr Valialkin 2021-04-23 20:26:34 +03:00
parent db27dbab5e
commit 34321e5f8d
1 changed files with 16 additions and 8 deletions
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24
lib/promscrape/discovery/kubernetes/api_watcher.go
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@ -301,6 +301,13 @@ func (gw *groupWatcher) getCachedObjectByRole(role, namespace, name string) obje
return nil
}
func (gw *groupWatcher) refreshEndpointsLabels(namespace, key string) {
// Refresh endpoints and endpointslices labels for the corresponding service as Prometheus does.
// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1240
gw.refreshObjectLabels("endpoints", namespace, key)
gw.refreshObjectLabels("endpointslices", namespace, key)
}
func (gw *groupWatcher) refreshObjectLabels(role, namespace, key string) {
// There is no need in starting url watcher for the given role,
// since there is no (namespace, key) object yet for this role.
@ -550,13 +557,10 @@ func (uw *urlWatcher) reloadObjects() string {
uw.reloadScrapeWorksForAPIWatchers(aws, objectsByKey)
if uw.role == "service" {
// Update endpoints and endpointslices for the corresponding service as Prometheus does.
// Refresh endpoints labels for the corresponding services as Prometheus does.
// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1240
gw := uw.gw
namespace := uw.namespace
for key := range objectsByKey {
gw.refreshObjectLabels("endpoints", namespace, key)
gw.refreshObjectLabels("endpointslices", namespace, key)
uw.gw.refreshEndpointsLabels(uw.namespace, key)
}
}
logger.Infof("reloaded %d objects from %q", len(objectsByKey), requestURL)
@ -686,10 +690,9 @@ func (uw *urlWatcher) readObjectUpdateStream(r io.Reader) error {
}
}
if uw.role == "service" {
// Update endpoints and endpointslices for the corresponding service as Prometheus does.
// Refresh endpoints labels for the corresponding service as Prometheus does.
// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1240
uw.gw.refreshObjectLabels("endpoints", uw.namespace, key)
uw.gw.refreshObjectLabels("endpointslices", uw.namespace, key)
uw.gw.refreshEndpointsLabels(uw.namespace, key)
}
case "DELETED":
o, err := uw.parseObject(we.Object)
@ -708,6 +711,11 @@ func (uw *urlWatcher) readObjectUpdateStream(r io.Reader) error {
for _, aw := range aws {
aw.removeScrapeWorks(uw.namespace, key)
}
if uw.role == "service" {
// Refresh endpoints labels for the corresponding service as Prometheus does.
// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1240
uw.gw.refreshEndpointsLabels(uw.namespace, key)
}
case "BOOKMARK":
// See https://kubernetes.io/docs/reference/using-api/api-concepts/#watch-bookmarks
bm, err := parseBookmark(we.Object)