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listers.go
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listers.go
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package releasecontroller
import (
imagev1 "github.com/openshift/api/image/v1"
imagelisters "github.com/openshift/client-go/image/listers/image/v1"
"github.com/openshift/release-controller/pkg/apis/release/v1alpha1"
releasepayloadlisters "github.com/openshift/release-controller/pkg/client/listers/release/v1alpha1"
"k8s.io/apimachinery/pkg/labels"
)
// MultiImageStreamLister uses multiple independent namespace listers
// to simulate a full lister so that multiple namespaces can be watched
// for image streams.
type MultiImageStreamLister struct {
Listers map[string]imagelisters.ImageStreamNamespaceLister
}
func (l *MultiImageStreamLister) List(label labels.Selector) ([]*imagev1.ImageStream, error) {
var streams []*imagev1.ImageStream
for _, ns := range l.Listers {
is, err := ns.List(label)
if err != nil {
return nil, err
}
streams = append(streams, is...)
}
return streams, nil
}
func (l *MultiImageStreamLister) ImageStreams(ns string) imagelisters.ImageStreamNamespaceLister {
return l.Listers[ns]
}
// MultiReleasePayloadLister uses multiple independent namespace listers
// to simulate a full lister so that multiple namespaces can be watched
// for releasepayloads.
type MultiReleasePayloadLister struct {
Listers map[string]releasepayloadlisters.ReleasePayloadNamespaceLister
}
func (l *MultiReleasePayloadLister) List(label labels.Selector) ([]*v1alpha1.ReleasePayload, error) {
var releasePayloads []*v1alpha1.ReleasePayload
for _, ns := range l.Listers {
is, err := ns.List(label)
if err != nil {
return nil, err
}
releasePayloads = append(releasePayloads, is...)
}
return releasePayloads, nil
}
func (l *MultiReleasePayloadLister) ReleasePayloads(ns string) releasepayloadlisters.ReleasePayloadNamespaceLister {
return l.Listers[ns]
}