代码拉取完成,页面将自动刷新
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package auth
import (
"fmt"
"time"
"k8s.io/api/core/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/wait"
clientset "k8s.io/client-go/kubernetes"
restclient "k8s.io/client-go/rest"
"k8s.io/kubernetes/test/e2e/framework"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
const (
NodesGroup = "system:nodes"
NodeNamePrefix = "system:node:"
)
var _ = SIGDescribe("[Feature:NodeAuthorizer]", func() {
f := framework.NewDefaultFramework("node-authz")
// client that will impersonate a node
var c clientset.Interface
var ns string
var asUser string
var defaultSaSecret string
var nodeName string
BeforeEach(func() {
ns = f.Namespace.Name
nodeList, err := f.ClientSet.CoreV1().Nodes().List(metav1.ListOptions{})
Expect(err).NotTo(HaveOccurred())
Expect(len(nodeList.Items)).NotTo(Equal(0))
nodeName = nodeList.Items[0].Name
asUser = NodeNamePrefix + nodeName
sa, err := f.ClientSet.CoreV1().ServiceAccounts(ns).Get("default", metav1.GetOptions{})
Expect(len(sa.Secrets)).NotTo(Equal(0))
Expect(err).NotTo(HaveOccurred())
defaultSaSecret = sa.Secrets[0].Name
By("Creating a kubernetes client that impersonates a node")
config, err := framework.LoadConfig()
Expect(err).NotTo(HaveOccurred())
config.Impersonate = restclient.ImpersonationConfig{
UserName: asUser,
Groups: []string{NodesGroup},
}
c, err = clientset.NewForConfig(config)
Expect(err).NotTo(HaveOccurred())
})
It("Getting a non-existent secret should exit with the Forbidden error, not a NotFound error", func() {
_, err := c.CoreV1().Secrets(ns).Get("foo", metav1.GetOptions{})
Expect(apierrors.IsForbidden(err)).Should(Equal(true))
})
It("Getting an existent secret should exit with the Forbidden error", func() {
_, err := c.CoreV1().Secrets(ns).Get(defaultSaSecret, metav1.GetOptions{})
Expect(apierrors.IsForbidden(err)).Should(Equal(true))
})
It("Getting a secret for a workload the node has access to should succeed", func() {
By("Create a secret for testing")
secret := &v1.Secret{
ObjectMeta: metav1.ObjectMeta{
Namespace: ns,
Name: "node-auth-secret",
},
Data: map[string][]byte{
"data": []byte("keep it secret"),
},
}
_, err := f.ClientSet.CoreV1().Secrets(ns).Create(secret)
Expect(err).NotTo(HaveOccurred())
By("Node should not get the secret")
_, err = c.CoreV1().Secrets(ns).Get(secret.Name, metav1.GetOptions{})
Expect(apierrors.IsForbidden(err)).Should(Equal(true))
By("Create a pod that use the secret")
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pause",
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "pause",
Image: framework.GetPauseImageName(f.ClientSet),
},
},
NodeName: nodeName,
Volumes: []v1.Volume{
{
Name: "node-auth-secret",
VolumeSource: v1.VolumeSource{
Secret: &v1.SecretVolumeSource{
SecretName: secret.Name,
},
},
},
},
},
}
_, err = f.ClientSet.CoreV1().Pods(ns).Create(pod)
Expect(err).NotTo(HaveOccurred())
By("The node should able to access the secret")
err = wait.Poll(framework.Poll, 1*time.Minute, func() (bool, error) {
_, err = c.CoreV1().Secrets(ns).Get(secret.Name, metav1.GetOptions{})
if err != nil {
framework.Logf("Failed to get secret %v, err: %v", secret.Name, err)
return false, nil
}
return true, nil
})
Expect(err).NotTo(HaveOccurred())
})
It("A node shouldn't be able to create an other node", func() {
node := &v1.Node{
ObjectMeta: metav1.ObjectMeta{Name: "foo"},
TypeMeta: metav1.TypeMeta{
Kind: "Node",
APIVersion: "v1",
},
}
By(fmt.Sprintf("Create node foo by user: %v", asUser))
_, err := c.CoreV1().Nodes().Create(node)
Expect(apierrors.IsForbidden(err)).Should(Equal(true))
})
It("A node shouldn't be able to delete an other node", func() {
By(fmt.Sprintf("Create node foo by user: %v", asUser))
err := c.CoreV1().Nodes().Delete("foo", &metav1.DeleteOptions{})
Expect(apierrors.IsForbidden(err)).Should(Equal(true))
})
})
此处可能存在不合适展示的内容,页面不予展示。您可通过相关编辑功能自查并修改。
如您确认内容无涉及 不当用语 / 纯广告导流 / 暴力 / 低俗色情 / 侵权 / 盗版 / 虚假 / 无价值内容或违法国家有关法律法规的内容,可点击提交进行申诉,我们将尽快为您处理。