mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-07-28 05:57:25 +00:00
106 lines
3.1 KiB
Go
106 lines
3.1 KiB
Go
/*
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Copyright 2017 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 kubelet
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import (
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"bytes"
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"io"
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"os"
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"path/filepath"
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"testing"
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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/apimachinery/pkg/runtime"
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"k8s.io/client-go/kubernetes/fake"
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core "k8s.io/client-go/testing"
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configutil "k8s.io/kubernetes/cmd/kubeadm/app/util/config"
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)
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func TestCreateConfigMap(t *testing.T) {
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nodeName := "fake-node"
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client := fake.NewSimpleClientset()
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client.PrependReactor("get", "nodes", func(action core.Action) (bool, runtime.Object, error) {
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return true, &v1.Node{
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ObjectMeta: metav1.ObjectMeta{
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Name: nodeName,
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},
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Spec: v1.NodeSpec{},
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}, nil
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})
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client.PrependReactor("create", "roles", func(action core.Action) (bool, runtime.Object, error) {
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return true, nil, nil
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})
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client.PrependReactor("create", "rolebindings", func(action core.Action) (bool, runtime.Object, error) {
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return true, nil, nil
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})
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client.PrependReactor("create", "configmaps", func(action core.Action) (bool, runtime.Object, error) {
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return true, nil, nil
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})
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internalcfg, err := configutil.DefaultedStaticInitConfiguration()
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if err != nil {
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t.Fatalf("unexpected failure when defaulting InitConfiguration: %v", err)
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}
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if err := CreateConfigMap(&internalcfg.ClusterConfiguration, "", client); err != nil {
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t.Errorf("CreateConfigMap: unexpected error %v", err)
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}
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}
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func TestCreateConfigMapRBACRules(t *testing.T) {
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client := fake.NewSimpleClientset()
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client.PrependReactor("create", "roles", func(action core.Action) (bool, runtime.Object, error) {
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return true, nil, nil
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})
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client.PrependReactor("create", "rolebindings", func(action core.Action) (bool, runtime.Object, error) {
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return true, nil, nil
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})
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if err := createConfigMapRBACRules(client); err != nil {
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t.Errorf("createConfigMapRBACRules: unexpected error %v", err)
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}
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}
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func TestApplyKubeletConfigPatches(t *testing.T) {
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var (
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input = []byte("bar: 0\nfoo: 0\n")
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patch = []byte("bar: 1\n")
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expectedOutput = []byte("bar: 1\nfoo: 0\n")
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)
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dir, err := os.MkdirTemp("", "patches")
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if err != nil {
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t.Fatalf("could not create temp dir: %v", err)
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}
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defer os.RemoveAll(dir)
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if err := os.WriteFile(filepath.Join(dir, "kubeletconfiguration.yaml"), patch, 0644); err != nil {
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t.Fatalf("could not write patch file: %v", err)
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}
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output, err := applyKubeletConfigPatches(input, dir, io.Discard)
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if err != nil {
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t.Fatalf("could not apply patch: %v", err)
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}
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if !bytes.Equal(output, expectedOutput) {
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t.Fatalf("expected output:\n%s\ngot\n%s\n", expectedOutput, output)
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}
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}
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