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statefulset.go
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statefulset.go
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// Copyright 2020 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package statusreaders
import (
"context"
appsv1 "k8s.io/api/apps/v1"
"k8s.io/apimachinery/pkg/api/meta"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime/schema"
"sigs.k8s.io/cli-utils/pkg/kstatus/polling/engine"
"sigs.k8s.io/cli-utils/pkg/kstatus/polling/event"
)
func NewStatefulSetResourceReader(mapper meta.RESTMapper, podResourceReader resourceTypeStatusReader) engine.StatusReader {
return &baseStatusReader{
mapper: mapper,
resourceStatusReader: &statefulSetResourceReader{
mapper: mapper,
podResourceReader: podResourceReader,
},
}
}
// statefulSetResourceReader is an implementation of the ResourceReader interface
// that can fetch StatefulSet resources from the cluster, knows how to find any
// Pods belonging to the StatefulSet, and compute status for the StatefulSet.
type statefulSetResourceReader struct {
mapper meta.RESTMapper
podResourceReader resourceTypeStatusReader
}
var _ resourceTypeStatusReader = &statefulSetResourceReader{}
func (s *statefulSetResourceReader) Supports(gk schema.GroupKind) bool {
return gk == appsv1.SchemeGroupVersion.WithKind("StatefulSet").GroupKind()
}
func (s *statefulSetResourceReader) ReadStatusForObject(ctx context.Context, reader engine.ClusterReader,
statefulSet *unstructured.Unstructured) (*event.ResourceStatus, error) {
return newPodControllerStatusReader(s.mapper, s.podResourceReader).readStatus(ctx, reader, statefulSet)
}