ContainerImage.Pinniped/internal/testutil/kube_server_compatibility.go

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// Copyright 2021 the Pinniped contributors. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package testutil
import (
"testing"
"github.com/stretchr/testify/require"
certificatesv1 "k8s.io/api/certificates/v1"
"k8s.io/client-go/discovery"
)
func KubeServerSupportsCertificatesV1API(t *testing.T, discoveryClient discovery.DiscoveryInterface) bool {
t.Helper()
groupList, err := discoveryClient.ServerGroups()
require.NoError(t, err)
for _, group := range groupList.Groups {
if group.Name == certificatesv1.GroupName {
for _, version := range group.Versions {
if version.Version == "v1" {
// Note: v1 should exist in Kubernetes 1.19 and above
return true
}
}
}
continue
}
return false
}