agones.dev/agones@v1.54.0/pkg/util/crd/crd.go (about)

     1  // Copyright 2018 Google LLC All Rights Reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // Package crd contains utilities for working with
    16  // CustomResourceDefinitions.
    17  package crd
    18  
    19  import (
    20  	"context"
    21  	"time"
    22  
    23  	"github.com/sirupsen/logrus"
    24  	apiextv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
    25  	apiextclientv1 "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset/typed/apiextensions/v1"
    26  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    27  	"k8s.io/apimachinery/pkg/util/wait"
    28  )
    29  
    30  // WaitForEstablishedCRD blocks until CRD comes to an Established state.
    31  // Has a deadline of 60 seconds for this to occur.
    32  func WaitForEstablishedCRD(_ context.Context, crdGetter apiextclientv1.CustomResourceDefinitionInterface, name string, logger *logrus.Entry) error {
    33  	return wait.PollUntilContextTimeout(context.Background(), time.Second, 60*time.Second, true, func(ctx context.Context) (done bool, err error) {
    34  		crd, err := crdGetter.Get(ctx, name, metav1.GetOptions{})
    35  		if err != nil {
    36  			return false, err
    37  		}
    38  
    39  		for _, cond := range crd.Status.Conditions {
    40  			if cond.Type == apiextv1.Established {
    41  				if cond.Status == apiextv1.ConditionTrue {
    42  					logger.WithField("crd", crd.ObjectMeta.Name).Debug("custom resource definition established")
    43  					return true, err
    44  				}
    45  			}
    46  		}
    47  
    48  		return false, nil
    49  	})
    50  }