/
customresource.go
101 lines (85 loc) · 2.57 KB
/
customresource.go
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/*
* 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 testutil
import (
"context"
"io"
"os"
apiextensions "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
apiextcs "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/util/json"
"k8s.io/apimachinery/pkg/util/yaml"
)
// CreateCRD creates the CRD parsed from the path given
func CreateCRD(kubeClient apiextcs.Interface, relativePath string) error {
ctx := context.TODO()
CRD, err := parseCRDYaml(relativePath)
if err != nil {
return err
}
_, err = kubeClient.ApiextensionsV1().CustomResourceDefinitions().Get(ctx, CRD.Name, metav1.GetOptions{})
if err == nil {
err = KubectlApply(relativePath)
if err != nil {
return err
}
} else {
_, err = kubeClient.ApiextensionsV1().CustomResourceDefinitions().Create(ctx, CRD, metav1.CreateOptions{})
if err != nil {
return err
}
}
return nil
}
// DeleteCRD deletes the CRD parsed from the path given
func DeleteCRD(kubeClient apiextcs.Interface, relativePath string) error {
ctx := context.TODO()
CRD, err := parseCRDYaml(relativePath)
if err != nil {
return err
}
if err := kubeClient.ApiextensionsV1().CustomResourceDefinitions().Delete(ctx, CRD.Name, metav1.DeleteOptions{}); err != nil {
return err
}
return nil
}
func parseCRDYaml(relativePath string) (*apiextensions.CustomResourceDefinition, error) {
var manifest *os.File
var err error
var crd apiextensions.CustomResourceDefinition
if manifest, err = PathToOSFile(relativePath); err != nil {
return nil, err
}
decoder := yaml.NewYAMLOrJSONDecoder(manifest, 100)
for {
var out unstructured.Unstructured
err = decoder.Decode(&out)
if err != nil {
// this would indicate it's malformed YAML.
break
}
if out.GetKind() == "CustomResourceDefinition" {
var marshaled []byte
marshaled, err = out.MarshalJSON()
json.Unmarshal(marshaled, &crd)
break
}
}
if err != io.EOF && err != nil {
return nil, err
}
return &crd, nil
}