mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-26 08:10:20 +00:00
312 lines
9.3 KiB
Go
312 lines
9.3 KiB
Go
/*
|
|
Copyright 2016 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package rest
|
|
|
|
import (
|
|
"fmt"
|
|
"net/http"
|
|
"reflect"
|
|
"strconv"
|
|
"testing"
|
|
|
|
clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
|
|
)
|
|
|
|
func TestAuthPluginWrapTransport(t *testing.T) {
|
|
if err := RegisterAuthProviderPlugin("pluginA", pluginAProvider); err != nil {
|
|
t.Errorf("Unexpected error: failed to register pluginA: %v", err)
|
|
}
|
|
if err := RegisterAuthProviderPlugin("pluginB", pluginBProvider); err != nil {
|
|
t.Errorf("Unexpected error: failed to register pluginB: %v", err)
|
|
}
|
|
if err := RegisterAuthProviderPlugin("pluginFail", pluginFailProvider); err != nil {
|
|
t.Errorf("Unexpected error: failed to register pluginFail: %v", err)
|
|
}
|
|
testCases := []struct {
|
|
useWrapTransport bool
|
|
plugin string
|
|
expectErr bool
|
|
expectPluginA bool
|
|
expectPluginB bool
|
|
}{
|
|
{false, "", false, false, false},
|
|
{false, "pluginA", false, true, false},
|
|
{false, "pluginB", false, false, true},
|
|
{false, "pluginFail", true, false, false},
|
|
{false, "pluginUnknown", true, false, false},
|
|
}
|
|
for i, tc := range testCases {
|
|
c := Config{}
|
|
if tc.useWrapTransport {
|
|
// Specify an existing WrapTransport in the config to make sure that
|
|
// plugins play nicely.
|
|
c.WrapTransport = func(rt http.RoundTripper) http.RoundTripper {
|
|
return &wrapTransport{rt}
|
|
}
|
|
}
|
|
if len(tc.plugin) != 0 {
|
|
c.AuthProvider = &clientcmdapi.AuthProviderConfig{Name: tc.plugin}
|
|
}
|
|
tConfig, err := c.TransportConfig()
|
|
if err != nil {
|
|
// Unknown/bad plugins are expected to fail here.
|
|
if !tc.expectErr {
|
|
t.Errorf("%d. Did not expect errors loading Auth Plugin: %q. Got: %v", i, tc.plugin, err)
|
|
}
|
|
continue
|
|
}
|
|
var fullyWrappedTransport http.RoundTripper
|
|
fullyWrappedTransport = &emptyTransport{}
|
|
if tConfig.WrapTransport != nil {
|
|
fullyWrappedTransport = tConfig.WrapTransport(&emptyTransport{})
|
|
}
|
|
res, err := fullyWrappedTransport.RoundTrip(&http.Request{})
|
|
if err != nil {
|
|
t.Errorf("%d. Unexpected error in RoundTrip: %v", i, err)
|
|
continue
|
|
}
|
|
hasWrapTransport := res.Header.Get("wrapTransport") == "Y"
|
|
hasPluginA := res.Header.Get("pluginA") == "Y"
|
|
hasPluginB := res.Header.Get("pluginB") == "Y"
|
|
if hasWrapTransport != tc.useWrapTransport {
|
|
t.Errorf("%d. Expected Existing config.WrapTransport: %t; Got: %t", i, tc.useWrapTransport, hasWrapTransport)
|
|
}
|
|
if hasPluginA != tc.expectPluginA {
|
|
t.Errorf("%d. Expected Plugin A: %t; Got: %t", i, tc.expectPluginA, hasPluginA)
|
|
}
|
|
if hasPluginB != tc.expectPluginB {
|
|
t.Errorf("%d. Expected Plugin B: %t; Got: %t", i, tc.expectPluginB, hasPluginB)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestAuthPluginPersist(t *testing.T) {
|
|
// register pluginA by a different name so we don't collide across tests.
|
|
if err := RegisterAuthProviderPlugin("pluginA2", pluginAProvider); err != nil {
|
|
t.Errorf("Unexpected error: failed to register pluginA: %v", err)
|
|
}
|
|
if err := RegisterAuthProviderPlugin("pluginPersist", pluginPersistProvider); err != nil {
|
|
t.Errorf("Unexpected error: failed to register pluginPersist: %v", err)
|
|
}
|
|
fooBarConfig := map[string]string{"foo": "bar"}
|
|
testCases := []struct {
|
|
plugin string
|
|
startingConfig map[string]string
|
|
expectedConfigAfterLogin map[string]string
|
|
expectedConfigAfterRoundTrip map[string]string
|
|
}{
|
|
// non-persisting plugins should work fine without modifying config.
|
|
{"pluginA2", map[string]string{}, map[string]string{}, map[string]string{}},
|
|
{"pluginA2", fooBarConfig, fooBarConfig, fooBarConfig},
|
|
// plugins that persist config should be able to persist when they want.
|
|
{
|
|
"pluginPersist",
|
|
map[string]string{},
|
|
map[string]string{
|
|
"login": "Y",
|
|
},
|
|
map[string]string{
|
|
"login": "Y",
|
|
"roundTrips": "1",
|
|
},
|
|
},
|
|
{
|
|
"pluginPersist",
|
|
map[string]string{
|
|
"login": "Y",
|
|
"roundTrips": "123",
|
|
},
|
|
map[string]string{
|
|
"login": "Y",
|
|
"roundTrips": "123",
|
|
},
|
|
map[string]string{
|
|
"login": "Y",
|
|
"roundTrips": "124",
|
|
},
|
|
},
|
|
}
|
|
for i, tc := range testCases {
|
|
cfg := &clientcmdapi.AuthProviderConfig{
|
|
Name: tc.plugin,
|
|
Config: tc.startingConfig,
|
|
}
|
|
persister := &inMemoryPersister{make(map[string]string)}
|
|
persister.Persist(tc.startingConfig)
|
|
plugin, err := GetAuthProvider("127.0.0.1", cfg, persister)
|
|
if err != nil {
|
|
t.Errorf("%d. Unexpected error: failed to get plugin %q: %v", i, tc.plugin, err)
|
|
}
|
|
if err := plugin.Login(); err != nil {
|
|
t.Errorf("%d. Unexpected error calling Login() w/ plugin %q: %v", i, tc.plugin, err)
|
|
}
|
|
// Make sure the plugin persisted what we expect after Login().
|
|
if !reflect.DeepEqual(persister.savedConfig, tc.expectedConfigAfterLogin) {
|
|
t.Errorf("%d. Unexpected persisted config after calling %s.Login(): \nGot:\n%v\nExpected:\n%v",
|
|
i, tc.plugin, persister.savedConfig, tc.expectedConfigAfterLogin)
|
|
}
|
|
if _, err := plugin.WrapTransport(&emptyTransport{}).RoundTrip(&http.Request{}); err != nil {
|
|
t.Errorf("%d. Unexpected error round-tripping w/ plugin %q: %v", i, tc.plugin, err)
|
|
}
|
|
// Make sure the plugin persisted what we expect after RoundTrip().
|
|
if !reflect.DeepEqual(persister.savedConfig, tc.expectedConfigAfterRoundTrip) {
|
|
t.Errorf("%d. Unexpected persisted config after calling %s.WrapTransport.RoundTrip(): \nGot:\n%v\nExpected:\n%v",
|
|
i, tc.plugin, persister.savedConfig, tc.expectedConfigAfterLogin)
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// emptyTransport provides an empty http.Response with an initialized header
|
|
// to allow wrapping RoundTrippers to set header values.
|
|
type emptyTransport struct{}
|
|
|
|
func (*emptyTransport) RoundTrip(req *http.Request) (*http.Response, error) {
|
|
res := &http.Response{
|
|
Header: make(map[string][]string),
|
|
}
|
|
return res, nil
|
|
}
|
|
|
|
// wrapTransport sets "wrapTransport" = "Y" on the response.
|
|
type wrapTransport struct {
|
|
rt http.RoundTripper
|
|
}
|
|
|
|
func (w *wrapTransport) RoundTrip(req *http.Request) (*http.Response, error) {
|
|
res, err := w.rt.RoundTrip(req)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
res.Header.Add("wrapTransport", "Y")
|
|
return res, nil
|
|
}
|
|
|
|
// wrapTransportA sets "pluginA" = "Y" on the response.
|
|
type wrapTransportA struct {
|
|
rt http.RoundTripper
|
|
}
|
|
|
|
func (w *wrapTransportA) RoundTrip(req *http.Request) (*http.Response, error) {
|
|
res, err := w.rt.RoundTrip(req)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
res.Header.Add("pluginA", "Y")
|
|
return res, nil
|
|
}
|
|
|
|
type pluginA struct{}
|
|
|
|
func (*pluginA) WrapTransport(rt http.RoundTripper) http.RoundTripper {
|
|
return &wrapTransportA{rt}
|
|
}
|
|
|
|
func (*pluginA) Login() error { return nil }
|
|
|
|
func pluginAProvider(string, map[string]string, AuthProviderConfigPersister) (AuthProvider, error) {
|
|
return &pluginA{}, nil
|
|
}
|
|
|
|
// wrapTransportB sets "pluginB" = "Y" on the response.
|
|
type wrapTransportB struct {
|
|
rt http.RoundTripper
|
|
}
|
|
|
|
func (w *wrapTransportB) RoundTrip(req *http.Request) (*http.Response, error) {
|
|
res, err := w.rt.RoundTrip(req)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
res.Header.Add("pluginB", "Y")
|
|
return res, nil
|
|
}
|
|
|
|
type pluginB struct{}
|
|
|
|
func (*pluginB) WrapTransport(rt http.RoundTripper) http.RoundTripper {
|
|
return &wrapTransportB{rt}
|
|
}
|
|
|
|
func (*pluginB) Login() error { return nil }
|
|
|
|
func pluginBProvider(string, map[string]string, AuthProviderConfigPersister) (AuthProvider, error) {
|
|
return &pluginB{}, nil
|
|
}
|
|
|
|
// pluginFailProvider simulates a registered AuthPlugin that fails to load.
|
|
func pluginFailProvider(string, map[string]string, AuthProviderConfigPersister) (AuthProvider, error) {
|
|
return nil, fmt.Errorf("Failed to load AuthProvider")
|
|
}
|
|
|
|
type inMemoryPersister struct {
|
|
savedConfig map[string]string
|
|
}
|
|
|
|
func (i *inMemoryPersister) Persist(config map[string]string) error {
|
|
i.savedConfig = make(map[string]string)
|
|
for k, v := range config {
|
|
i.savedConfig[k] = v
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// wrapTransportPersist increments the "roundTrips" entry from the config when
|
|
// roundTrip is called.
|
|
type wrapTransportPersist struct {
|
|
rt http.RoundTripper
|
|
config map[string]string
|
|
persister AuthProviderConfigPersister
|
|
}
|
|
|
|
func (w *wrapTransportPersist) RoundTrip(req *http.Request) (*http.Response, error) {
|
|
roundTrips := 0
|
|
if rtVal, ok := w.config["roundTrips"]; ok {
|
|
var err error
|
|
roundTrips, err = strconv.Atoi(rtVal)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
roundTrips++
|
|
w.config["roundTrips"] = fmt.Sprintf("%d", roundTrips)
|
|
if err := w.persister.Persist(w.config); err != nil {
|
|
return nil, err
|
|
}
|
|
return w.rt.RoundTrip(req)
|
|
}
|
|
|
|
type pluginPersist struct {
|
|
config map[string]string
|
|
persister AuthProviderConfigPersister
|
|
}
|
|
|
|
func (p *pluginPersist) WrapTransport(rt http.RoundTripper) http.RoundTripper {
|
|
return &wrapTransportPersist{rt, p.config, p.persister}
|
|
}
|
|
|
|
// Login sets the config entry "login" to "Y".
|
|
func (p *pluginPersist) Login() error {
|
|
p.config["login"] = "Y"
|
|
p.persister.Persist(p.config)
|
|
return nil
|
|
}
|
|
|
|
func pluginPersistProvider(_ string, config map[string]string, persister AuthProviderConfigPersister) (AuthProvider, error) {
|
|
return &pluginPersist{config, persister}, nil
|
|
}
|