mirror of https://github.com/k3s-io/k3s
111 lines
3.6 KiB
Go
111 lines
3.6 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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"fmt"
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authv1 "k8s.io/api/authorization/v1"
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rbacv1 "k8s.io/api/rbac/v1"
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"k8s.io/apimachinery/pkg/util/version"
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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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kubeletConfigConfigMapKey = "kubelet"
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)
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var (
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kubeletConfigConfigMapName string
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kubeletConfigRoleName string
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kubeletConfigRoleBindingName string
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kubeletConfigConfigMapResource = &authv1.ResourceAttributes{
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Namespace: kubeSystemNamespace,
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Name: "",
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Resource: "configmaps",
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Verb: "get",
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}
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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 kubelet-config ConfigMap, that it is properly configured
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// and that all the related RBAC rules are in place
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var _ = KubeadmDescribe("kubelet-config ConfigMap", func() {
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// Get an instance of the k8s test framework
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f := framework.NewDefaultFramework("kubelet-config")
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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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// kubelet-config map is named using the kubernetesVersion as a suffix, and so
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// it is necessary to get it from the kubeadm-config ConfigMap before testing
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BeforeEach(func() {
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// if the kubelet-config map name is already known exit
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if kubeletConfigConfigMapName != "" {
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return
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}
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// gets the ClusterConfiguration from the kubeadm kubeadm-config ConfigMap as a untyped map
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m := getClusterConfiguration(f.ClientSet)
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// Extract the kubernetesVersion
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Expect(m).To(HaveKey("kubernetesVersion"))
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k8sVersionString := m["kubernetesVersion"].(string)
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k8sVersion, err := version.ParseSemantic(k8sVersionString)
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if err != nil {
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framework.Failf("error reading kubernetesVersion from %s ConfigMap: %v", kubeadmConfigName, err)
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}
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// Computes all the names derived from the kubernetesVersion
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kubeletConfigConfigMapName = fmt.Sprintf("kubelet-config-%d.%d", k8sVersion.Major(), k8sVersion.Minor())
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kubeletConfigRoleName = fmt.Sprintf("kubeadm:kubelet-config-%d.%d", k8sVersion.Major(), k8sVersion.Minor())
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kubeletConfigRoleBindingName = kubeletConfigRoleName
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kubeletConfigConfigMapResource.Name = kubeletConfigConfigMapName
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})
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It("should exist and be properly configured", func() {
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cm := GetConfigMap(f.ClientSet, kubeSystemNamespace, kubeletConfigConfigMapName)
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Expect(cm.Data).To(HaveKey(kubeletConfigConfigMapKey))
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})
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It("should have related Role and RoleBinding", func() {
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ExpectRole(f.ClientSet, kubeSystemNamespace, kubeletConfigRoleName)
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ExpectRoleBinding(f.ClientSet, kubeSystemNamespace, kubeletConfigRoleBindingName)
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})
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It("should be accessible for bootstrap tokens", func() {
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ExpectSubjectHasAccessToResource(f.ClientSet,
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rbacv1.GroupKind, bootstrapTokensGroup,
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kubeadmConfigConfigMapResource,
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)
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})
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It("should be accessible for nodes", func() {
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ExpectSubjectHasAccessToResource(f.ClientSet,
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rbacv1.GroupKind, nodesGroup,
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kubeadmConfigConfigMapResource,
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)
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})
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})
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