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apiextenions.go
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/
apiextenions.go
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/*
* Copyright 2023 RisingWave Labs
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package utils
import (
"context"
"fmt"
"strings"
"github.com/samber/lo"
apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client"
)
// GetCustomResourceDefinition is the helper function to get the CRD for the given group kind.
func GetCustomResourceDefinition(ctx context.Context, client client.Reader, gk metav1.GroupKind) (*apiextensionsv1.CustomResourceDefinition, error) {
var crd apiextensionsv1.CustomResourceDefinition
err := client.Get(ctx, types.NamespacedName{Name: fmt.Sprintf("%ss.%s", strings.ToLower(gk.Kind), gk.Group)}, &crd)
if err != nil {
return nil, err
}
return &crd, nil
}
// IsVersionServingInCustomResourceDefinition returns true when the CRD serves the given version.
func IsVersionServingInCustomResourceDefinition(crd *apiextensionsv1.CustomResourceDefinition, version string) bool {
if crd == nil || version == "" {
return false
}
return lo.ContainsBy(crd.Spec.Versions, func(v apiextensionsv1.CustomResourceDefinitionVersion) bool {
return v.Name == version && v.Served && !v.Deprecated
})
}