c2a8cd359f
Signed-off-by: XinYang <xinydev@gmail.com> Update cmd/kubeadm/app/cmd/join.go Co-authored-by: Lubomir I. Ivanov <neolit123@gmail.com>
126 lines
3.7 KiB
Go
126 lines
3.7 KiB
Go
/*
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Copyright 2020 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 patchnode
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import (
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"bytes"
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"encoding/json"
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"net/http"
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"net/http/httptest"
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"testing"
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kubeadmconstants "k8s.io/kubernetes/cmd/kubeadm/app/constants"
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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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clientset "k8s.io/client-go/kubernetes"
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restclient "k8s.io/client-go/rest"
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)
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func TestAnnotateCRISocket(t *testing.T) {
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tests := []struct {
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name string
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currentCRISocketAnnotation string
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newCRISocketAnnotation string
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expectedPatch string
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}{
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{
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name: "CRI-socket annotation missing",
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currentCRISocketAnnotation: "",
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newCRISocketAnnotation: "/run/containerd/containerd.sock",
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expectedPatch: `{"metadata":{"annotations":{"kubeadm.alpha.kubernetes.io/cri-socket":"/run/containerd/containerd.sock"}}}`,
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},
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{
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name: "CRI-socket annotation already exists",
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currentCRISocketAnnotation: "/run/containerd/containerd.sock",
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newCRISocketAnnotation: "/run/containerd/containerd.sock",
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expectedPatch: `{}`,
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},
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{
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name: "CRI-socket annotation needs to be updated",
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currentCRISocketAnnotation: "/var/run/dockershim.sock",
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newCRISocketAnnotation: "/run/containerd/containerd.sock",
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expectedPatch: `{"metadata":{"annotations":{"kubeadm.alpha.kubernetes.io/cri-socket":"/run/containerd/containerd.sock"}}}`,
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},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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nodename := "node01"
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node := &v1.Node{
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ObjectMeta: metav1.ObjectMeta{
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Name: nodename,
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Labels: map[string]string{
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v1.LabelHostname: nodename,
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},
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Annotations: map[string]string{},
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},
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}
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if tc.currentCRISocketAnnotation != "" {
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node.ObjectMeta.Annotations[kubeadmconstants.AnnotationKubeadmCRISocket] = tc.currentCRISocketAnnotation
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}
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jsonNode, err := json.Marshal(node)
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if err != nil {
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t.Fatalf("unexpected encoding error: %v", err)
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}
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var patchRequest string
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s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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if req.URL.Path != "/api/v1/nodes/"+nodename {
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t.Errorf("request for unexpected HTTP resource: %v", req.URL.Path)
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http.Error(w, "", http.StatusNotFound)
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return
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}
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switch req.Method {
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case "GET":
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case "PATCH":
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buf := new(bytes.Buffer)
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buf.ReadFrom(req.Body)
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patchRequest = buf.String()
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default:
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t.Errorf("request for unexpected HTTP verb: %v", req.Method)
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http.Error(w, "", http.StatusNotFound)
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return
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}
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w.WriteHeader(http.StatusOK)
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w.Write(jsonNode)
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}))
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defer s.Close()
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cs, err := clientset.NewForConfig(&restclient.Config{Host: s.URL})
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if err != nil {
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t.Fatalf("unexpected error building clientset: %v", err)
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}
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if err := AnnotateCRISocket(cs, nodename, tc.newCRISocketAnnotation); err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if tc.expectedPatch != patchRequest {
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t.Errorf("expected patch %v, got %v", tc.expectedPatch, patchRequest)
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}
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})
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}
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}
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