karmada/test/e2e/framework/dynamic.go

37 lines
1.1 KiB
Go

package framework
import (
"context"
"github.com/onsi/gomega"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/util/rand"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/client-go/dynamic"
)
// GetResourceNames list resources and return their names.
func GetResourceNames(client dynamic.ResourceInterface) sets.String {
list, err := client.List(context.TODO(), metav1.ListOptions{})
gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
names := sets.NewString()
for _, item := range list.Items {
names.Insert(item.GetName())
}
return names
}
// GetAnyResourceOrFail list resources and return anyone. Failed if listing empty.
func GetAnyResourceOrFail(client dynamic.ResourceInterface) *unstructured.Unstructured {
list, err := client.List(context.TODO(), metav1.ListOptions{})
gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
gomega.Expect(list.Items).ShouldNot(gomega.BeEmpty())
if len(list.Items) == 1 {
return &list.Items[0]
}
return &list.Items[rand.Intn(len(list.Items))]
}