/
eventWatchHelper.go
50 lines (42 loc) · 1.19 KB
/
eventWatchHelper.go
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package kubernetes
import (
"context"
"regexp"
"strings"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/watch"
)
type EventWatchHelper struct {
kubernetesProvider *Provider
NameRegexFilter *regexp.Regexp
Kind string
}
func NewEventWatchHelper(kubernetesProvider *Provider, NameRegexFilter *regexp.Regexp, kind string) *EventWatchHelper {
return &EventWatchHelper{
kubernetesProvider: kubernetesProvider,
NameRegexFilter: NameRegexFilter,
Kind: kind,
}
}
// Implements the EventFilterer Interface
func (wh *EventWatchHelper) Filter(wEvent *WatchEvent) (bool, error) {
event, err := wEvent.ToEvent()
if err != nil {
return false, nil
}
if !wh.NameRegexFilter.MatchString(event.Name) {
return false, nil
}
if !strings.EqualFold(event.Regarding.Kind, wh.Kind) {
return false, nil
}
return true, nil
}
// Implements the WatchCreator Interface
func (wh *EventWatchHelper) NewWatcher(ctx context.Context, namespace string) (watch.Interface, error) {
watcher, err := wh.kubernetesProvider.clientSet.EventsV1().Events(namespace).Watch(ctx, metav1.ListOptions{Watch: true})
if err != nil {
return nil, err
}
return watcher, nil
}