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/
crd.go
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/
crd.go
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package k8sutil
import (
"fmt"
"log"
"time"
"github.com/samsung-cnct/cluster-manager-api/pkg/util/retryutil"
apiextensionsv1beta1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
apiextensionsclient "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// CreateCRD creates the objects in kubernetes
func CreateCRD(clientset apiextensionsclient.Interface, crd apiextensionsv1beta1.CustomResourceDefinition) error {
_, err := clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Create(&crd)
if err != nil && !IsResourceAlreadyExistsError(err) {
log.Printf("Error %v\n", err)
return err
} else if IsResourceAlreadyExistsError(err) {
log.Printf("CRD %s already exists, need to work on a patch/update\n", crd.Name)
}
return nil
}
// WaitCRDReady waits until proper condition is obtained.
func WaitCRDReady(clientset apiextensionsclient.Interface, crdName string) error {
err := retryutil.Retry(5*time.Second, 20, func() (bool, error) {
crd, err := clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Get(crdName, metav1.GetOptions{})
if err != nil {
return false, err
}
for _, cond := range crd.Status.Conditions {
switch cond.Type {
case apiextensionsv1beta1.Established:
if cond.Status == apiextensionsv1beta1.ConditionTrue {
return true, nil
}
case apiextensionsv1beta1.NamesAccepted:
if cond.Status == apiextensionsv1beta1.ConditionFalse {
return false, fmt.Errorf("Name conflict: %v", cond.Reason)
}
}
}
return false, nil
})
if err != nil {
return fmt.Errorf("wait CRD created failed: %v", err)
}
return nil
}