mirror of https://github.com/k3s-io/k3s
143 lines
3.9 KiB
Go
143 lines
3.9 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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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 componentstatus
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"net/http"
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"reflect"
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"strings"
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"testing"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/apiserver"
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"k8s.io/kubernetes/pkg/util"
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)
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type fakeRoundTripper struct {
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err error
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resp *http.Response
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url string
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}
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func (f *fakeRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
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f.url = req.URL.String()
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return f.resp, f.err
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}
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type testResponse struct {
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code int
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data string
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err error
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}
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func NewTestREST(resp testResponse) *REST {
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return &REST{
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GetServersToValidate: func() map[string]apiserver.Server {
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return map[string]apiserver.Server{
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"test1": {Addr: "testserver1", Port: 8000, Path: "/healthz"},
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}
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},
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rt: &fakeRoundTripper{
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err: resp.err,
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resp: &http.Response{
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Body: ioutil.NopCloser(bytes.NewBufferString(resp.data)),
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StatusCode: resp.code,
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},
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},
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}
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}
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func createTestStatus(name string, status api.ConditionStatus, msg string, err string) *api.ComponentStatus {
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retVal := &api.ComponentStatus{
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Conditions: []api.ComponentCondition{
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{Type: api.ComponentHealthy, Status: status, Message: msg, Error: err},
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},
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}
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retVal.Name = name
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return retVal
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}
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func TestList_NoError(t *testing.T) {
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r := NewTestREST(testResponse{code: 200, data: "ok"})
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got, err := r.List(api.NewContext(), nil)
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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expect := &api.ComponentStatusList{
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Items: []api.ComponentStatus{*(createTestStatus("test1", api.ConditionTrue, "ok", "nil"))},
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}
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if e, a := expect, got; !reflect.DeepEqual(e, a) {
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t.Errorf("Got unexpected object. Diff: %s", util.ObjectDiff(e, a))
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}
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}
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func TestList_FailedCheck(t *testing.T) {
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r := NewTestREST(testResponse{code: 500, data: ""})
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got, err := r.List(api.NewContext(), nil)
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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expect := &api.ComponentStatusList{
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Items: []api.ComponentStatus{
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*(createTestStatus("test1", api.ConditionFalse, "", "unhealthy http status code: 500 ()"))},
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}
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if e, a := expect, got; !reflect.DeepEqual(e, a) {
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t.Errorf("Got unexpected object. Diff: %s", util.ObjectDiff(e, a))
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}
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}
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func TestList_UnknownError(t *testing.T) {
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r := NewTestREST(testResponse{code: 500, data: "", err: fmt.Errorf("fizzbuzz error")})
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got, err := r.List(api.NewContext(), nil)
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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expect := &api.ComponentStatusList{
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Items: []api.ComponentStatus{
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*(createTestStatus("test1", api.ConditionUnknown, "", "Get http://testserver1:8000/healthz: fizzbuzz error"))},
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}
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if e, a := expect, got; !reflect.DeepEqual(e, a) {
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t.Errorf("Got unexpected object. Diff: %s", util.ObjectDiff(e, a))
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}
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}
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func TestGet_NoError(t *testing.T) {
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r := NewTestREST(testResponse{code: 200, data: "ok"})
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got, err := r.Get(api.NewContext(), "test1")
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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expect := createTestStatus("test1", api.ConditionTrue, "ok", "nil")
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if e, a := expect, got; !reflect.DeepEqual(e, a) {
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t.Errorf("Got unexpected object. Diff: %s", util.ObjectDiff(e, a))
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}
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}
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func TestGet_BadName(t *testing.T) {
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r := NewTestREST(testResponse{code: 200, data: "ok"})
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_, err := r.Get(api.NewContext(), "invalidname")
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if err == nil {
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t.Fatalf("Expected error, but did not get one")
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}
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if !strings.Contains(err.Error(), "Component not found: invalidname") {
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t.Fatalf("Got unexpected error: %v", err)
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}
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}
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