71 lines
2.1 KiB
Go
71 lines
2.1 KiB
Go
package main
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import (
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"fmt"
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"log"
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"time"
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apiextensionsv1beta1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
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apiextensionsclient "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
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apiErrors "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/errors"
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"k8s.io/apimachinery/pkg/util/wait"
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)
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func CreateCustomResourceDefinition(clientset apiextensionsclient.Interface, name, groupName, version, plural, kind string) (*apiextensionsv1beta1.CustomResourceDefinition, error) {
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crd := &apiextensionsv1beta1.CustomResourceDefinition{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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},
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Spec: apiextensionsv1beta1.CustomResourceDefinitionSpec{
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Group: groupName,
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Version: version,
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Scope: apiextensionsv1beta1.NamespaceScoped,
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Names: apiextensionsv1beta1.CustomResourceDefinitionNames{
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Plural: plural,
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Kind: kind,
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},
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},
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}
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crd, err := clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Create(crd)
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if err != nil {
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if apiErrors.IsAlreadyExists(err) {
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return crd, nil
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}
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return nil, err
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}
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// wait for CRD being established
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err = wait.Poll(500*time.Millisecond, 60*time.Second, func() (bool, error) {
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crd, err = clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Get(name, metav1.GetOptions{})
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if err != nil {
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return false, err
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}
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for _, cond := range crd.Status.Conditions {
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switch cond.Type {
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case apiextensionsv1beta1.Established:
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if cond.Status == apiextensionsv1beta1.ConditionTrue {
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return true, err
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}
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case apiextensionsv1beta1.NamesAccepted:
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if cond.Status == apiextensionsv1beta1.ConditionFalse {
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fmt.Printf("Name conflict: %v\n", cond.Reason)
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}
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}
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}
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return false, err
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})
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if err != nil {
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deleteErr := clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Delete(name, nil)
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if deleteErr != nil {
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return nil, errors.NewAggregate([]error{err, deleteErr})
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}
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return nil, err
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}
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log.Printf("Registered CustomResourceDefinition for apiVersion=%s/%s kind=%s", groupName, version, kind)
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return crd, nil
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}
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