f2cfbf44b1
This changes the text registration so that tags for which the framework has a dedicated API (features, feature gates, slow, serial, etc.) those APIs are used. Arbitrary, custom tags are still left in place for now.
103 lines
3.6 KiB
Go
103 lines
3.6 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package auth
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import (
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"context"
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"fmt"
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"net"
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"strconv"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/kubernetes/pkg/cluster/ports"
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"k8s.io/kubernetes/test/e2e/feature"
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"k8s.io/kubernetes/test/e2e/framework"
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e2enode "k8s.io/kubernetes/test/e2e/framework/node"
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e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
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e2eoutput "k8s.io/kubernetes/test/e2e/framework/pod/output"
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admissionapi "k8s.io/pod-security-admission/api"
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"github.com/onsi/ginkgo/v2"
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"github.com/onsi/gomega"
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)
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var _ = SIGDescribe(feature.NodeAuthenticator, func() {
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f := framework.NewDefaultFramework("node-authn")
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f.NamespacePodSecurityLevel = admissionapi.LevelBaseline
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var ns string
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var nodeIPs []string
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ginkgo.BeforeEach(func(ctx context.Context) {
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ns = f.Namespace.Name
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nodes, err := e2enode.GetBoundedReadySchedulableNodes(ctx, f.ClientSet, 1)
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framework.ExpectNoError(err)
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family := v1.IPv4Protocol
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if framework.TestContext.ClusterIsIPv6() {
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family = v1.IPv6Protocol
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}
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nodeIPs := e2enode.GetAddressesByTypeAndFamily(&nodes.Items[0], v1.NodeInternalIP, family)
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gomega.Expect(nodeIPs).NotTo(gomega.BeEmpty())
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})
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ginkgo.It("The kubelet's main port 10250 should reject requests with no credentials", func(ctx context.Context) {
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pod := createNodeAuthTestPod(ctx, f)
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for _, nodeIP := range nodeIPs {
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// Anonymous authentication is disabled by default
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host := net.JoinHostPort(nodeIP, strconv.Itoa(ports.KubeletPort))
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result := e2eoutput.RunHostCmdOrDie(ns, pod.Name, fmt.Sprintf("curl -sIk -o /dev/null -w '%s' https://%s/metrics", "%{http_code}", host))
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gomega.Expect(result).To(gomega.Or(gomega.Equal("401"), gomega.Equal("403")), "the kubelet's main port 10250 should reject requests with no credentials")
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}
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})
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ginkgo.It("The kubelet can delegate ServiceAccount tokens to the API server", func(ctx context.Context) {
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ginkgo.By("create a new ServiceAccount for authentication")
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trueValue := true
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newSA := &v1.ServiceAccount{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: ns,
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Name: "node-auth-newsa",
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},
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AutomountServiceAccountToken: &trueValue,
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}
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_, err := f.ClientSet.CoreV1().ServiceAccounts(ns).Create(ctx, newSA, metav1.CreateOptions{})
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framework.ExpectNoError(err, "failed to create service account (%s:%s)", ns, newSA.Name)
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pod := createNodeAuthTestPod(ctx, f)
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for _, nodeIP := range nodeIPs {
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host := net.JoinHostPort(nodeIP, strconv.Itoa(ports.KubeletPort))
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result := e2eoutput.RunHostCmdOrDie(ns,
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pod.Name,
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fmt.Sprintf("curl -sIk -o /dev/null -w '%s' --header \"Authorization: Bearer `%s`\" https://%s/metrics",
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"%{http_code}",
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"cat /var/run/secrets/kubernetes.io/serviceaccount/token",
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host))
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gomega.Expect(result).To(gomega.Or(gomega.Equal("401"), gomega.Equal("403")), "the kubelet can delegate ServiceAccount tokens to the API server")
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}
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})
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})
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func createNodeAuthTestPod(ctx context.Context, f *framework.Framework) *v1.Pod {
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pod := e2epod.NewAgnhostPod(f.Namespace.Name, "agnhost-pod", nil, nil, nil)
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pod.ObjectMeta.GenerateName = "test-node-authn-"
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return e2epod.NewPodClient(f).CreateSync(ctx, pod)
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}
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