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add resource enablement check for e2e tests of beta APIs

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Kubernetes-commit: 8ab8d05cc40c391f8ac650f50f23500666bfc943
This commit is contained in:
David Eads 2022-03-01 11:51:16 -05:00 committed by Kubernetes Publisher
parent eb103e0abf
commit 7d7fd497a0
1 changed files with 21 additions and 0 deletions
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21
discovery/helper.go
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@ -19,12 +19,33 @@ package discovery
import (
"fmt"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/util/sets"
apimachineryversion "k8s.io/apimachinery/pkg/version"
)
// IsResourceEnabled queries the server to determine if the resource specified is present on the server.
// This is particularly helpful when writing a controller or an e2e test that requires a particular resource to function.
func IsResourceEnabled(client DiscoveryInterface, resourceToCheck schema.GroupVersionResource) (bool, error) {
// this is a single request. The ServerResourcesForGroupVersion handles the core v1 group as legacy.
resourceList, err := client.ServerResourcesForGroupVersion(resourceToCheck.GroupVersion().String())
if apierrors.IsNotFound(err) { // if the discovery endpoint isn't present, then the resource isn't present.
return false, nil
}
if err != nil {
return false, err
}
for _, actualResource := range resourceList.APIResources {
if actualResource.Name == resourceToCheck.Resource {
return true, nil
}
}
return false, nil
}
// MatchesServerVersion queries the server to compares the build version
// (git hash) of the client with the server's build version. It returns an error
// if it failed to contact the server or if the versions are not an exact match.