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83 lines
3.1 KiB
Go
83 lines
3.1 KiB
Go
/*
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Copyright 2019 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 e2e_kubeadm
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import (
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corev1 "k8s.io/api/core/v1"
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rbacv1 "k8s.io/api/rbac/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/kubernetes/test/e2e/framework"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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const (
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bootstrapTokensGroup = "system:bootstrappers:kubeadm:default-node-token"
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bootstrapTokensAllowPostCSRClusterRoleBinding = "kubeadm:kubelet-bootstrap"
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bootstrapTokensAllowPostCSRClusterRoleName = "system:node-bootstrapper"
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bootstrapTokensCSRAutoApprovalClusterRoleBinding = "kubeadm:node-autoapprove-bootstrap"
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bootstrapTokensCSRAutoApprovalClusterRoleName = "system:certificates.k8s.io:certificatesigningrequests:nodeclient"
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)
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// Define container for all the test specification aimed at verifying
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// that kubeadm creates the bootstrap token, the system:bootstrappers:kubeadm:default-node-token group
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// and that all the related RBAC rules are in place
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var _ = KubeadmDescribe("bootstrap token", func() {
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// Get an instance of the k8s test framework
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f := framework.NewDefaultFramework("bootstrap token")
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// Tests in this container are not expected to create new objects in the cluster
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// so we are disabling the creation of a namespace in order to get a faster execution
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f.SkipNamespaceCreation = true
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It("should exist and be properly configured", func() {
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secrets, err := f.ClientSet.CoreV1().
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Secrets(kubeSystemNamespace).
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List(metav1.ListOptions{})
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framework.ExpectNoError(err, "error reading Secrets")
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tokenNum := 0
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for _, s := range secrets.Items {
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if s.Type == corev1.SecretTypeBootstrapToken {
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//TODO: might be we want to further check tokens (auth-extra-groups, usage etc)
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tokenNum++
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}
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}
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Expect(tokenNum).Should(BeNumerically(">", 0), "At least one bootstrap token should exist")
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})
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It("should be allowed to post CSR for kubelet certificates on joining nodes", func() {
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ExpectClusterRoleBindingWithSubjectAndRole(f.ClientSet,
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bootstrapTokensAllowPostCSRClusterRoleBinding,
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rbacv1.GroupKind, bootstrapTokensGroup,
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bootstrapTokensAllowPostCSRClusterRoleName,
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)
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//TODO: check if possible to verify "allowed to post CSR" using subject asses review as well
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})
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It("should be allowed to auto approve CSR for kubelet certificates on joining nodes", func() {
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ExpectClusterRoleBindingWithSubjectAndRole(f.ClientSet,
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bootstrapTokensCSRAutoApprovalClusterRoleBinding,
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rbacv1.GroupKind, bootstrapTokensGroup,
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bootstrapTokensCSRAutoApprovalClusterRoleName,
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)
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//TODO: check if possible to verify "allowed to auto approve CSR" using subject asses review as well
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})
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})
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