utils.go

Documentation: k8s.io/kubernetes/test/e2e/windows

     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 windows
    18  
    19  import (
    20  	"context"
    21  	"fmt"
    22  	"math/rand"
    23  	"strings"
    24  	"time"
    25  
    26  	"github.com/onsi/ginkgo/v2"
    27  	appsv1 "k8s.io/api/apps/v1"
    28  	v1 "k8s.io/api/core/v1"
    29  	apierrors "k8s.io/apimachinery/pkg/api/errors"
    30  	"k8s.io/apimachinery/pkg/util/wait"
    31  	"k8s.io/kubernetes/pkg/controller/deployment/util"
    32  	"k8s.io/kubernetes/test/e2e/framework"
    33  	e2eskipper "k8s.io/kubernetes/test/e2e/framework/skipper"
    34  
    35  	semver "github.com/blang/semver/v4"
    36  )
    37  
    38  // waits for a deployment to be created and the desired replicas
    39  // are updated and available, and no old pods are running.
    40  func waitForDeployment(getDeploymentFunc func() (*appsv1.Deployment, error), interval, timeout time.Duration) error {
    41  	return wait.PollImmediate(interval, timeout, func() (bool, error) {
    42  		deployment, err := getDeploymentFunc()
    43  		if err != nil {
    44  			if apierrors.IsNotFound(err) {
    45  				framework.Logf("deployment not found, continue waiting: %s", err)
    46  				return false, nil
    47  			}
    48  
    49  			framework.Logf("error while deploying, error %s", err)
    50  			return false, err
    51  		}
    52  		framework.Logf("deployment status %s", &deployment.Status)
    53  		return util.DeploymentComplete(deployment, &deployment.Status), nil
    54  	})
    55  }
    56  
    57  // gets the container runtime and version for a node
    58  func getNodeContainerRuntimeAndVersion(n v1.Node) (string, semver.Version, error) {
    59  	containerRuntimeVersionString := n.Status.NodeInfo.DeepCopy().ContainerRuntimeVersion
    60  	parts := strings.Split(containerRuntimeVersionString, "://")
    61  
    62  	if len(parts) != 2 {
    63  		return "", semver.Version{}, fmt.Errorf("could not get container runtime and version from '%s'", containerRuntimeVersionString)
    64  	}
    65  
    66  	v, err := semver.ParseTolerant(parts[1])
    67  	if err != nil {
    68  		return "", semver.Version{}, err
    69  	}
    70  
    71  	return parts[0], v, nil
    72  }
    73  
    74  func getRandomUserGrounName() string {
    75  	var letters = []rune("abcdefghijklmnopqrstuvwxya")
    76  
    77  	s := make([]rune, 8)
    78  	for i := range s {
    79  		s[i] = letters[rand.Intn(len(letters))]
    80  	}
    81  
    82  	return "hpc-" + string(s)
    83  }
    84  
    85  func skipUnlessContainerdOneSevenOrGreater(ctx context.Context, f *framework.Framework) {
    86  	ginkgo.By("Ensuring Windows nodes are running containerd v1.7+")
    87  	windowsNode, err := findWindowsNode(ctx, f)
    88  	framework.ExpectNoError(err, "error finding Windows node")
    89  	r, v, err := getNodeContainerRuntimeAndVersion(windowsNode)
    90  	framework.ExpectNoError(err, "error getting node container runtime and version")
    91  	framework.Logf("Got runtime: %s, version %v for node %s", r, v, windowsNode.Name)
    92  
    93  	if !strings.EqualFold(r, "containerd") {
    94  		e2eskipper.Skipf("container runtime is not containerd")
    95  	}
    96  
    97  	v1dot7 := semver.MustParse("1.7.0-alpha.1")
    98  	if v.LT(v1dot7) {
    99  		e2eskipper.Skipf("container runtime is < 1.7.0")
   100  	}
   101  }
   102
View as plain text