/
wait_crd.go
39 lines (33 loc) · 1.03 KB
/
wait_crd.go
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package kubeutils
import (
"time"
"github.com/avast/retry-go"
"github.com/wx-chevalier/go-utils/errutils"
"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
apiexts "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// Waits for a CRD to be "established" in kubernetes, which means it's active an can be
// CRUD'ed by clients
func WaitForCrdActive(apiexts apiexts.Interface, crdName string) error {
return retry.Do(func() error {
crd, err := apiexts.ApiextensionsV1beta1().CustomResourceDefinitions().Get(crdName, metav1.GetOptions{})
if err != nil {
return errors.Wrapf(err, "lookup crd %v", crdName)
}
var established bool
for _, status := range crd.Status.Conditions {
if status.Type == v1beta1.Established {
established = true
break
}
}
if !established {
return errors.Errorf("crd %v exists but not yet established by kube", crdName)
}
return nil
},
retry.Delay(time.Millisecond*500),
retry.DelayType(retry.FixedDelay),
)
}