wait.go

Documentation: k8s.io/kubernetes/test/e2e/framework/service

     1  /*
     2  Copyright 2019 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package service
    18  
    19  import (
    20  	"context"
    21  	"fmt"
    22  
    23  	apierrors "k8s.io/apimachinery/pkg/api/errors"
    24  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    25  	"k8s.io/apimachinery/pkg/util/wait"
    26  	clientset "k8s.io/client-go/kubernetes"
    27  	servicehelper "k8s.io/cloud-provider/service/helpers"
    28  	"k8s.io/kubernetes/test/e2e/framework"
    29  
    30  	"github.com/onsi/ginkgo/v2"
    31  )
    32  
    33  // WaitForServiceDeletedWithFinalizer waits for the service with finalizer to be deleted.
    34  func WaitForServiceDeletedWithFinalizer(ctx context.Context, cs clientset.Interface, namespace, name string) {
    35  	ginkgo.By("Delete service with finalizer")
    36  	if err := cs.CoreV1().Services(namespace).Delete(ctx, name, metav1.DeleteOptions{}); err != nil {
    37  		framework.Failf("Failed to delete service %s/%s", namespace, name)
    38  	}
    39  
    40  	ginkgo.By("Wait for service to disappear")
    41  	if pollErr := wait.PollUntilContextTimeout(ctx, LoadBalancerPollInterval, GetServiceLoadBalancerCreationTimeout(ctx, cs), true, func(ctx context.Context) (bool, error) {
    42  		svc, err := cs.CoreV1().Services(namespace).Get(ctx, name, metav1.GetOptions{})
    43  		if err != nil {
    44  			if apierrors.IsNotFound(err) {
    45  				framework.Logf("Service %s/%s is gone.", namespace, name)
    46  				return true, nil
    47  			}
    48  			return false, err
    49  		}
    50  		framework.Logf("Service %s/%s still exists with finalizers: %v", namespace, name, svc.Finalizers)
    51  		return false, nil
    52  	}); pollErr != nil {
    53  		framework.Failf("Failed to wait for service to disappear: %v", pollErr)
    54  	}
    55  }
    56  
    57  // WaitForServiceUpdatedWithFinalizer waits for the service to be updated to have or
    58  // don't have a finalizer.
    59  func WaitForServiceUpdatedWithFinalizer(ctx context.Context, cs clientset.Interface, namespace, name string, hasFinalizer bool) {
    60  	ginkgo.By(fmt.Sprintf("Wait for service to hasFinalizer=%t", hasFinalizer))
    61  	if pollErr := wait.PollUntilContextTimeout(ctx, LoadBalancerPollInterval, GetServiceLoadBalancerCreationTimeout(ctx, cs), true, func(ctx context.Context) (bool, error) {
    62  		svc, err := cs.CoreV1().Services(namespace).Get(ctx, name, metav1.GetOptions{})
    63  		if err != nil {
    64  			return false, err
    65  		}
    66  		foundFinalizer := false
    67  		for _, finalizer := range svc.Finalizers {
    68  			if finalizer == servicehelper.LoadBalancerCleanupFinalizer {
    69  				foundFinalizer = true
    70  				break
    71  			}
    72  		}
    73  		if foundFinalizer != hasFinalizer {
    74  			framework.Logf("Service %s/%s hasFinalizer=%t, want %t", namespace, name, foundFinalizer, hasFinalizer)
    75  			return false, nil
    76  		}
    77  		return true, nil
    78  	}); pollErr != nil {
    79  		framework.Failf("Failed to wait for service to hasFinalizer=%t: %v", hasFinalizer, pollErr)
    80  	}
    81  }
    82
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