func runAMaster(t *testing.T) (*master.Master, *httptest.Server) {
etcdStorage, err := master.NewEtcdStorage(newEtcdClient(), latest.GroupOrDie("").InterfacesFor, testapi.Default.Version(), etcdtest.PathPrefix())
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
storageDestinations := master.NewStorageDestinations()
storageDestinations.AddAPIGroup("", etcdStorage)
m := master.New(&master.Config{
StorageDestinations: storageDestinations,
KubeletClient: client.FakeKubeletClient{},
EnableCoreControllers: true,
EnableLogsSupport: false,
EnableProfiling: true,
EnableUISupport: false,
APIPrefix: "/api",
Authorizer: apiserver.NewAlwaysAllowAuthorizer(),
AdmissionControl: admit.NewAlwaysAdmit(),
StorageVersions: map[string]string{"": testapi.Default.Version()},
})
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
return m, s
}
func TestUnschedulableNodes(t *testing.T) {
etcdStorage, err := framework.NewEtcdStorage()
if err != nil {
t.Fatalf("Couldn't create etcd storage: %v", err)
}
expEtcdStorage, err := framework.NewExtensionsEtcdStorage(nil)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
storageDestinations := master.NewStorageDestinations()
storageDestinations.AddAPIGroup("", etcdStorage)
storageDestinations.AddAPIGroup("extensions", expEtcdStorage)
storageVersions := make(map[string]string)
storageVersions[""] = testapi.Default.Version()
storageVersions["extensions"] = testapi.Extensions.GroupAndVersion()
framework.DeleteAllEtcdKeys()
var m *master.Master
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
defer s.Close()
m = master.New(&master.Config{
StorageDestinations: storageDestinations,
KubeletClient: client.FakeKubeletClient{},
EnableCoreControllers: true,
EnableLogsSupport: false,
EnableUISupport: false,
EnableIndex: true,
APIPrefix: "/api",
Authorizer: apiserver.NewAlwaysAllowAuthorizer(),
AdmissionControl: admit.NewAlwaysAdmit(),
StorageVersions: storageVersions,
})
restClient := client.NewOrDie(&client.Config{Host: s.URL, Version: testapi.Default.Version()})
schedulerConfigFactory := factory.NewConfigFactory(restClient, nil)
schedulerConfig, err := schedulerConfigFactory.Create()
if err != nil {
t.Fatalf("Couldn't create scheduler config: %v", err)
}
eventBroadcaster := record.NewBroadcaster()
schedulerConfig.Recorder = eventBroadcaster.NewRecorder(api.EventSource{Component: "scheduler"})
eventBroadcaster.StartRecordingToSink(restClient.Events(""))
scheduler.New(schedulerConfig).Run()
defer close(schedulerConfig.StopEverything)
DoTestUnschedulableNodes(t, restClient, schedulerConfigFactory.NodeLister.Store)
}
// TestSecrets tests apiserver-side behavior of creation of secret objects and their use by pods.
func TestSecrets(t *testing.T) {
etcdStorage, err := framework.NewEtcdStorage()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
expEtcdStorage, err := framework.NewExtensionsEtcdStorage(nil)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
storageDestinations := master.NewStorageDestinations()
storageDestinations.AddAPIGroup("", etcdStorage)
storageDestinations.AddAPIGroup("extensions", expEtcdStorage)
storageVersions := make(map[string]string)
storageVersions[""] = testapi.Default.Version()
storageVersions["extensions"] = testapi.Extensions.GroupAndVersion()
var m *master.Master
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
defer s.Close()
m = master.New(&master.Config{
StorageDestinations: storageDestinations,
KubeletClient: client.FakeKubeletClient{},
EnableCoreControllers: true,
EnableLogsSupport: false,
EnableUISupport: false,
EnableIndex: true,
APIPrefix: "/api",
Authorizer: apiserver.NewAlwaysAllowAuthorizer(),
AdmissionControl: admit.NewAlwaysAdmit(),
StorageVersions: storageVersions,
})
framework.DeleteAllEtcdKeys()
client := client.NewOrDie(&client.Config{Host: s.URL, Version: testapi.Default.Version()})
DoTestSecrets(t, client, testapi.Default.Version())
}
// startMasterOrDie starts a kubernetes master and an httpserver to handle api requests
func startMasterOrDie(masterConfig *master.Config) (*master.Master, *httptest.Server) {
var m *master.Master
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
if masterConfig == nil {
etcdClient := NewEtcdClient()
storageVersions := make(map[string]string)
etcdStorage, err := master.NewEtcdStorage(etcdClient, latest.GroupOrDie("").InterfacesFor, latest.GroupOrDie("").GroupVersion, etcdtest.PathPrefix())
storageVersions[""] = latest.GroupOrDie("").GroupVersion
if err != nil {
glog.Fatalf("Failed to create etcd storage for master %v", err)
}
expEtcdStorage, err := NewExtensionsEtcdStorage(etcdClient)
storageVersions["extensions"] = testapi.Extensions.GroupAndVersion()
if err != nil {
glog.Fatalf("Failed to create etcd storage for master %v", err)
}
storageDestinations := master.NewStorageDestinations()
storageDestinations.AddAPIGroup("", etcdStorage)
storageDestinations.AddAPIGroup("extensions", expEtcdStorage)
masterConfig = &master.Config{
StorageDestinations: storageDestinations,
StorageVersions: storageVersions,
KubeletClient: client.FakeKubeletClient{},
EnableLogsSupport: false,
EnableProfiling: true,
EnableSwaggerSupport: true,
EnableUISupport: false,
APIPrefix: "/api",
APIGroupPrefix: "/apis",
Authorizer: apiserver.NewAlwaysAllowAuthorizer(),
AdmissionControl: admit.NewAlwaysAdmit(),
}
}
m = master.New(masterConfig)
return m, s
}
func startComponents(firstManifestURL, secondManifestURL string) (string, string) {
// Setup
servers := []string{}
glog.Infof("Creating etcd client pointing to %v", servers)
handler := delegateHandler{}
apiServer := httptest.NewServer(&handler)
etcdClient := etcd.NewClient(servers)
sleep := 4 * time.Second
ok := false
for i := 0; i < 3; i++ {
keys, err := etcdClient.Get("/", false, false)
if err != nil {
glog.Warningf("Unable to list root etcd keys: %v", err)
if i < 2 {
time.Sleep(sleep)
sleep = sleep * sleep
}
continue
}
for _, node := range keys.Node.Nodes {
if _, err := etcdClient.Delete(node.Key, true); err != nil {
glog.Fatalf("Unable delete key: %v", err)
}
}
ok = true
break
}
if !ok {
glog.Fatalf("Failed to connect to etcd")
}
cl := client.NewOrDie(&client.Config{Host: apiServer.URL, Version: testapi.Default.GroupAndVersion()})
// TODO: caesarxuchao: hacky way to specify version of Experimental client.
// We will fix this by supporting multiple group versions in Config
cl.ExtensionsClient = client.NewExtensionsOrDie(&client.Config{Host: apiServer.URL, Version: testapi.Extensions.GroupAndVersion()})
storageVersions := make(map[string]string)
etcdStorage, err := master.NewEtcdStorage(etcdClient, latest.GroupOrDie("").InterfacesFor, testapi.Default.GroupAndVersion(), etcdtest.PathPrefix())
storageVersions[""] = testapi.Default.GroupAndVersion()
if err != nil {
glog.Fatalf("Unable to get etcd storage: %v", err)
}
expEtcdStorage, err := master.NewEtcdStorage(etcdClient, latest.GroupOrDie("extensions").InterfacesFor, testapi.Extensions.GroupAndVersion(), etcdtest.PathPrefix())
storageVersions["extensions"] = testapi.Extensions.GroupAndVersion()
if err != nil {
glog.Fatalf("Unable to get etcd storage for experimental: %v", err)
}
storageDestinations := master.NewStorageDestinations()
storageDestinations.AddAPIGroup("", etcdStorage)
storageDestinations.AddAPIGroup("extensions", expEtcdStorage)
// Master
host, port, err := net.SplitHostPort(strings.TrimLeft(apiServer.URL, "http://"))
if err != nil {
glog.Fatalf("Unable to parse URL '%v': %v", apiServer.URL, err)
}
portNumber, err := strconv.Atoi(port)
if err != nil {
glog.Fatalf("Nonnumeric port? %v", err)
}
publicAddress := net.ParseIP(host)
if publicAddress == nil {
glog.Fatalf("no public address for %s", host)
}
// Create a master and install handlers into mux.
m := master.New(&master.Config{
StorageDestinations: storageDestinations,
KubeletClient: fakeKubeletClient{},
EnableCoreControllers: true,
EnableLogsSupport: false,
EnableProfiling: true,
APIPrefix: "/api",
APIGroupPrefix: "/apis",
Authorizer: apiserver.NewAlwaysAllowAuthorizer(),
AdmissionControl: admit.NewAlwaysAdmit(),
ReadWritePort: portNumber,
PublicAddress: publicAddress,
CacheTimeout: 2 * time.Second,
StorageVersions: storageVersions,
})
handler.delegate = m.Handler
// Scheduler
schedulerConfigFactory := factory.NewConfigFactory(cl, nil)
schedulerConfig, err := schedulerConfigFactory.Create()
if err != nil {
glog.Fatalf("Couldn't create scheduler config: %v", err)
}
eventBroadcaster := record.NewBroadcaster()
schedulerConfig.Recorder = eventBroadcaster.NewRecorder(api.EventSource{Component: "scheduler"})
eventBroadcaster.StartLogging(glog.Infof)
eventBroadcaster.StartRecordingToSink(cl.Events(""))
scheduler.New(schedulerConfig).Run()
// ensure the service endpoints are sync'd several times within the window that the integration tests wait
go endpointcontroller.NewEndpointController(cl, controller.NoResyncPeriodFunc).
Run(3, util.NeverStop)
// TODO: Write an integration test for the replication controllers watch.
go replicationControllerPkg.NewReplicationManager(cl, controller.NoResyncPeriodFunc, replicationControllerPkg.BurstReplicas).
Run(3, util.NeverStop)
nodeController := nodecontroller.NewNodeController(nil, cl, 5*time.Minute, util.NewFakeRateLimiter(), util.NewFakeRateLimiter(),
40*time.Second, 60*time.Second, 5*time.Second, nil, false)
nodeController.Run(5 * time.Second)
cadvisorInterface := new(cadvisor.Fake)
// Kubelet (localhost)
testRootDir := makeTempDirOrDie("kubelet_integ_1.", "")
configFilePath := makeTempDirOrDie("config", testRootDir)
glog.Infof("Using %s as root dir for kubelet #1", testRootDir)
fakeDocker1.VersionInfo = docker.Env{"ApiVersion=1.20"}
kcfg := kubeletapp.SimpleKubelet(
cl,
&fakeDocker1,
"localhost",
testRootDir,
firstManifestURL,
"127.0.0.1",
10250, /* KubeletPort */
0, /* ReadOnlyPort */
api.NamespaceDefault,
empty_dir.ProbeVolumePlugins(),
nil,
cadvisorInterface,
configFilePath,
nil,
kubecontainer.FakeOS{},
1*time.Second, /* FileCheckFrequency */
1*time.Second, /* HTTPCheckFrequency */
10*time.Second, /* MinimumGCAge */
3*time.Second, /* NodeStatusUpdateFrequency */
10*time.Second /* SyncFrequency */)
kubeletapp.RunKubelet(kcfg, nil)
// Kubelet (machine)
// Create a second kubelet so that the guestbook example's two redis slaves both
// have a place they can schedule.
testRootDir = makeTempDirOrDie("kubelet_integ_2.", "")
glog.Infof("Using %s as root dir for kubelet #2", testRootDir)
fakeDocker2.VersionInfo = docker.Env{"ApiVersion=1.20"}
kcfg = kubeletapp.SimpleKubelet(
cl,
&fakeDocker2,
"127.0.0.1",
testRootDir,
secondManifestURL,
"127.0.0.1",
10251, /* KubeletPort */
0, /* ReadOnlyPort */
api.NamespaceDefault,
empty_dir.ProbeVolumePlugins(),
nil,
cadvisorInterface,
"",
nil,
kubecontainer.FakeOS{},
1*time.Second, /* FileCheckFrequency */
1*time.Second, /* HTTPCheckFrequency */
10*time.Second, /* MinimumGCAge */
3*time.Second, /* NodeStatusUpdateFrequency */
10*time.Second /* SyncFrequency */)
kubeletapp.RunKubelet(kcfg, nil)
return apiServer.URL, configFilePath
}
// startServiceAccountTestServer returns a started server
// It is the responsibility of the caller to ensure the returned stopFunc is called
func startServiceAccountTestServer(t *testing.T) (*client.Client, client.Config, func()) {
deleteAllEtcdKeys()
// Etcd
etcdStorage, err := framework.NewEtcdStorage()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
expEtcdStorage, err := framework.NewExtensionsEtcdStorage(nil)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
storageDestinations := master.NewStorageDestinations()
storageDestinations.AddAPIGroup("", etcdStorage)
storageDestinations.AddAPIGroup("extensions", expEtcdStorage)
storageVersions := make(map[string]string)
storageVersions[""] = testapi.Default.Version()
storageVersions["extensions"] = testapi.Extensions.GroupAndVersion()
// Listener
var m *master.Master
apiServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
// Anonymous client config
clientConfig := client.Config{Host: apiServer.URL, Version: testapi.Default.Version()}
// Root client
rootClient := client.NewOrDie(&client.Config{Host: apiServer.URL, Version: testapi.Default.Version(), BearerToken: rootToken})
// Set up two authenticators:
// 1. A token authenticator that maps the rootToken to the "root" user
// 2. A ServiceAccountToken authenticator that validates ServiceAccount tokens
rootTokenAuth := authenticator.TokenFunc(func(token string) (user.Info, bool, error) {
if token == rootToken {
return &user.DefaultInfo{rootUserName, "", []string{}}, true, nil
}
return nil, false, nil
})
serviceAccountKey, err := rsa.GenerateKey(rand.Reader, 2048)
serviceAccountTokenGetter := serviceaccount.NewGetterFromClient(rootClient)
serviceAccountTokenAuth := serviceaccount.JWTTokenAuthenticator([]*rsa.PublicKey{&serviceAccountKey.PublicKey}, true, serviceAccountTokenGetter)
authenticator := union.New(
bearertoken.New(rootTokenAuth),
bearertoken.New(serviceAccountTokenAuth),
)
// Set up a stub authorizer:
// 1. The "root" user is allowed to do anything
// 2. ServiceAccounts named "ro" are allowed read-only operations in their namespace
// 3. ServiceAccounts named "rw" are allowed any operation in their namespace
authorizer := authorizer.AuthorizerFunc(func(attrs authorizer.Attributes) error {
username := attrs.GetUserName()
ns := attrs.GetNamespace()
// If the user is "root"...
if username == rootUserName {
// allow them to do anything
return nil
}
// If the user is a service account...
if serviceAccountNamespace, serviceAccountName, err := serviceaccount.SplitUsername(username); err == nil {
// Limit them to their own namespace
if serviceAccountNamespace == ns {
switch serviceAccountName {
case readOnlyServiceAccountName:
if attrs.IsReadOnly() {
return nil
}
case readWriteServiceAccountName:
return nil
}
}
}
return fmt.Errorf("User %s is denied (ns=%s, readonly=%v, resource=%s)", username, ns, attrs.IsReadOnly(), attrs.GetResource())
})
// Set up admission plugin to auto-assign serviceaccounts to pods
serviceAccountAdmission := serviceaccountadmission.NewServiceAccount(rootClient)
// Create a master and install handlers into mux.
m = master.New(&master.Config{
StorageDestinations: storageDestinations,
KubeletClient: client.FakeKubeletClient{},
EnableLogsSupport: false,
EnableUISupport: false,
EnableIndex: true,
APIPrefix: "/api",
Authenticator: authenticator,
Authorizer: authorizer,
AdmissionControl: serviceAccountAdmission,
StorageVersions: storageVersions,
})
// Start the service account and service account token controllers
tokenController := serviceaccount.NewTokensController(rootClient, serviceaccount.TokensControllerOptions{TokenGenerator: serviceaccount.JWTTokenGenerator(serviceAccountKey)})
tokenController.Run()
serviceAccountController := serviceaccount.NewServiceAccountsController(rootClient, serviceaccount.DefaultServiceAccountsControllerOptions())
serviceAccountController.Run()
// Start the admission plugin reflectors
serviceAccountAdmission.Run()
stop := func() {
tokenController.Stop()
serviceAccountController.Stop()
serviceAccountAdmission.Stop()
apiServer.Close()
}
return rootClient, clientConfig, stop
}
// TestKindAuthorization tests that authorization can be controlled
// by namespace.
func TestKindAuthorization(t *testing.T) {
framework.DeleteAllEtcdKeys()
// This file has alice and bob in it.
// Set up a master
etcdStorage, err := framework.NewEtcdStorage()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
expEtcdStorage, err := framework.NewExtensionsEtcdStorage(nil)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
storageDestinations := master.NewStorageDestinations()
storageDestinations.AddAPIGroup("", etcdStorage)
storageDestinations.AddAPIGroup("extensions", expEtcdStorage)
storageVersions := make(map[string]string)
storageVersions[""] = testapi.Default.Version()
storageVersions["extensions"] = testapi.Extensions.GroupAndVersion()
a := newAuthorizerWithContents(t, `{"resource": "services"}
`)
var m *master.Master
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
defer s.Close()
m = master.New(&master.Config{
StorageDestinations: storageDestinations,
KubeletClient: client.FakeKubeletClient{},
EnableCoreControllers: true,
EnableLogsSupport: false,
EnableUISupport: false,
EnableIndex: true,
APIPrefix: "/api",
Authenticator: getTestTokenAuth(),
Authorizer: a,
AdmissionControl: admit.NewAlwaysAdmit(),
StorageVersions: storageVersions,
})
previousResourceVersion := make(map[string]float64)
transport := http.DefaultTransport
requests := []struct {
verb string
URL string
body string
statusCodes map[int]bool // allowed status codes.
}{
{"POST", timeoutPath("services", api.NamespaceDefault, ""), aService, code201},
{"GET", path("services", api.NamespaceDefault, ""), "", code200},
{"GET", path("services", api.NamespaceDefault, "a"), "", code200},
{"DELETE", timeoutPath("services", api.NamespaceDefault, "a"), "", code200},
{"POST", timeoutPath("pods", api.NamespaceDefault, ""), aPod, code403},
{"GET", path("pods", "", ""), "", code403},
{"GET", path("pods", api.NamespaceDefault, "a"), "", code403},
{"DELETE", timeoutPath("pods", api.NamespaceDefault, "a"), "", code403},
}
for _, r := range requests {
token := BobToken
var bodyStr string
if r.body != "" {
bodyStr = fmt.Sprintf(r.body, "")
if r.verb == "PUT" && r.body != "" {
// For update operations, insert previous resource version
if resVersion := previousResourceVersion[getPreviousResourceVersionKey(r.URL, "")]; resVersion != 0 {
resourceVersionJson := fmt.Sprintf(",\r\n\"resourceVersion\": \"%v\"", resVersion)
bodyStr = fmt.Sprintf(r.body, resourceVersionJson)
}
}
}
r.body = bodyStr
bodyBytes := bytes.NewReader([]byte(bodyStr))
req, err := http.NewRequest(r.verb, s.URL+r.URL, bodyBytes)
if err != nil {
t.Logf("case %v", r)
t.Fatalf("unexpected error: %v", err)
}
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
{
resp, err := transport.RoundTrip(req)
defer resp.Body.Close()
if err != nil {
t.Logf("case %v", r)
t.Fatalf("unexpected error: %v", err)
}
b, _ := ioutil.ReadAll(resp.Body)
if _, ok := r.statusCodes[resp.StatusCode]; !ok {
t.Logf("case %v", r)
t.Errorf("Expected status one of %v, but got %v", r.statusCodes, resp.StatusCode)
t.Errorf("Body: %v", string(b))
} else {
if r.verb == "POST" {
// For successful create operations, extract resourceVersion
id, currentResourceVersion, err := parseResourceVersion(b)
if err == nil {
key := getPreviousResourceVersionKey(r.URL, id)
previousResourceVersion[key] = currentResourceVersion
}
}
}
}
}
}
// TestUnknownUserIsUnauthorized tests that a user who is unknown
// to the authentication system get status code "Unauthorized".
// An authorization module is installed in this scenario for integration
// test purposes, but requests aren't expected to reach it.
func TestUnknownUserIsUnauthorized(t *testing.T) {
framework.DeleteAllEtcdKeys()
// This file has alice and bob in it.
// Set up a master
etcdStorage, err := framework.NewEtcdStorage()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
expEtcdStorage, err := framework.NewExtensionsEtcdStorage(nil)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
storageDestinations := master.NewStorageDestinations()
storageDestinations.AddAPIGroup("", etcdStorage)
storageDestinations.AddAPIGroup("extensions", expEtcdStorage)
storageVersions := make(map[string]string)
storageVersions[""] = testapi.Default.Version()
storageVersions["extensions"] = testapi.Extensions.GroupAndVersion()
var m *master.Master
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
defer s.Close()
m = master.New(&master.Config{
StorageDestinations: storageDestinations,
KubeletClient: client.FakeKubeletClient{},
EnableCoreControllers: true,
EnableLogsSupport: false,
EnableUISupport: false,
EnableIndex: true,
APIPrefix: "/api",
Authenticator: getTestTokenAuth(),
Authorizer: allowAliceAuthorizer{},
AdmissionControl: admit.NewAlwaysAdmit(),
StorageVersions: storageVersions,
})
transport := http.DefaultTransport
for _, r := range getTestRequests() {
token := UnknownToken
bodyBytes := bytes.NewReader([]byte(r.body))
req, err := http.NewRequest(r.verb, s.URL+r.URL, bodyBytes)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
func() {
resp, err := transport.RoundTrip(req)
defer resp.Body.Close()
if err != nil {
t.Logf("case %v", r)
t.Fatalf("unexpected error: %v", err)
}
// Expect all of unauthenticated user's request to be "Unauthorized"
if resp.StatusCode != http.StatusUnauthorized {
t.Logf("case %v", r)
t.Errorf("Expected status %v, but got %v", http.StatusUnauthorized, resp.StatusCode)
b, _ := ioutil.ReadAll(resp.Body)
t.Errorf("Body: %v", string(b))
}
}()
}
}
// TestAliceNotForbiddenOrUnauthorized tests a user who is known to
// the authentication system and authorized to do any actions.
func TestAliceNotForbiddenOrUnauthorized(t *testing.T) {
framework.DeleteAllEtcdKeys()
// This file has alice and bob in it.
// Set up a master
etcdStorage, err := framework.NewEtcdStorage()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
expEtcdStorage, err := framework.NewExtensionsEtcdStorage(nil)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
storageDestinations := master.NewStorageDestinations()
storageDestinations.AddAPIGroup("", etcdStorage)
storageDestinations.AddAPIGroup("extensions", expEtcdStorage)
storageVersions := make(map[string]string)
storageVersions[""] = testapi.Default.Version()
storageVersions["extensions"] = testapi.Extensions.GroupAndVersion()
var m *master.Master
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
defer s.Close()
m = master.New(&master.Config{
StorageDestinations: storageDestinations,
KubeletClient: client.FakeKubeletClient{},
EnableCoreControllers: true,
EnableLogsSupport: false,
EnableUISupport: false,
EnableIndex: true,
APIPrefix: "/api",
Authenticator: getTestTokenAuth(),
Authorizer: allowAliceAuthorizer{},
AdmissionControl: admit.NewAlwaysAdmit(),
StorageVersions: storageVersions,
})
previousResourceVersion := make(map[string]float64)
transport := http.DefaultTransport
for _, r := range getTestRequests() {
token := AliceToken
var bodyStr string
if r.body != "" {
sub := ""
if r.verb == "PUT" {
// For update operations, insert previous resource version
if resVersion := previousResourceVersion[getPreviousResourceVersionKey(r.URL, "")]; resVersion != 0 {
sub += fmt.Sprintf(",\r\n\"resourceVersion\": \"%v\"", resVersion)
}
namespace := "default"
sub += fmt.Sprintf(",\r\n\"namespace\": %q", namespace)
}
bodyStr = fmt.Sprintf(r.body, sub)
}
r.body = bodyStr
bodyBytes := bytes.NewReader([]byte(bodyStr))
req, err := http.NewRequest(r.verb, s.URL+r.URL, bodyBytes)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
if r.verb == "PATCH" {
req.Header.Set("Content-Type", "application/merge-patch+json")
}
func() {
resp, err := transport.RoundTrip(req)
defer resp.Body.Close()
if err != nil {
t.Logf("case %v", r)
t.Fatalf("unexpected error: %v", err)
}
b, _ := ioutil.ReadAll(resp.Body)
if _, ok := r.statusCodes[resp.StatusCode]; !ok {
t.Logf("case %v", r)
t.Errorf("Expected status one of %v, but got %v", r.statusCodes, resp.StatusCode)
t.Errorf("Body: %v", string(b))
} else {
if r.verb == "POST" {
// For successful create operations, extract resourceVersion
id, currentResourceVersion, err := parseResourceVersion(b)
if err == nil {
key := getPreviousResourceVersionKey(r.URL, id)
previousResourceVersion[key] = currentResourceVersion
}
}
}
}()
}
}
func TestAuthModeAlwaysDeny(t *testing.T) {
framework.DeleteAllEtcdKeys()
// Set up a master
etcdStorage, err := framework.NewEtcdStorage()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
expEtcdStorage, err := framework.NewExtensionsEtcdStorage(nil)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
storageDestinations := master.NewStorageDestinations()
storageDestinations.AddAPIGroup("", etcdStorage)
storageDestinations.AddAPIGroup("extensions", expEtcdStorage)
storageVersions := make(map[string]string)
storageVersions[""] = testapi.Default.Version()
storageVersions["extensions"] = testapi.Extensions.GroupAndVersion()
var m *master.Master
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
defer s.Close()
m = master.New(&master.Config{
StorageDestinations: storageDestinations,
KubeletClient: client.FakeKubeletClient{},
EnableCoreControllers: true,
EnableLogsSupport: false,
EnableUISupport: false,
EnableIndex: true,
APIPrefix: "/api",
Authorizer: apiserver.NewAlwaysDenyAuthorizer(),
AdmissionControl: admit.NewAlwaysAdmit(),
StorageVersions: storageVersions,
})
transport := http.DefaultTransport
for _, r := range getTestRequests() {
bodyBytes := bytes.NewReader([]byte(r.body))
req, err := http.NewRequest(r.verb, s.URL+r.URL, bodyBytes)
if err != nil {
t.Logf("case %v", r)
t.Fatalf("unexpected error: %v", err)
}
func() {
resp, err := transport.RoundTrip(req)
defer resp.Body.Close()
if err != nil {
t.Logf("case %v", r)
t.Fatalf("unexpected error: %v", err)
}
if resp.StatusCode != http.StatusForbidden {
t.Logf("case %v", r)
t.Errorf("Expected status Forbidden but got status %v", resp.Status)
}
}()
}
}
// TestReadOnlyAuthorization tests that authorization can be controlled
// by namespace.
func TestReadOnlyAuthorization(t *testing.T) {
framework.DeleteAllEtcdKeys()
// This file has alice and bob in it.
// Set up a master
etcdStorage, err := framework.NewEtcdStorage()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
expEtcdStorage, err := framework.NewExtensionsEtcdStorage(nil)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
storageDestinations := master.NewStorageDestinations()
storageDestinations.AddAPIGroup("", etcdStorage)
storageDestinations.AddAPIGroup("extensions", expEtcdStorage)
storageVersions := make(map[string]string)
storageVersions[""] = testapi.Default.Version()
storageVersions["extensions"] = testapi.Extensions.GroupAndVersion()
a := newAuthorizerWithContents(t, `{"readonly": true}`)
var m *master.Master
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
defer s.Close()
m = master.New(&master.Config{
StorageDestinations: storageDestinations,
KubeletClient: client.FakeKubeletClient{},
EnableCoreControllers: true,
EnableLogsSupport: false,
EnableUISupport: false,
EnableIndex: true,
APIPrefix: "/api",
Authenticator: getTestTokenAuth(),
Authorizer: a,
AdmissionControl: admit.NewAlwaysAdmit(),
StorageVersions: storageVersions,
})
transport := http.DefaultTransport
requests := []struct {
verb string
URL string
body string
statusCodes map[int]bool // allowed status codes.
}{
{"POST", path("pods", "", ""), aPod, code403},
{"GET", path("pods", "", ""), "", code200},
{"GET", path("pods", api.NamespaceDefault, "a"), "", code404},
}
for _, r := range requests {
token := BobToken
bodyBytes := bytes.NewReader([]byte(r.body))
req, err := http.NewRequest(r.verb, s.URL+r.URL, bodyBytes)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
func() {
resp, err := transport.RoundTrip(req)
defer resp.Body.Close()
if err != nil {
t.Logf("case %v", r)
t.Fatalf("unexpected error: %v", err)
}
if _, ok := r.statusCodes[resp.StatusCode]; !ok {
t.Logf("case %v", r)
t.Errorf("Expected status one of %v, but got %v", r.statusCodes, resp.StatusCode)
b, _ := ioutil.ReadAll(resp.Body)
t.Errorf("Body: %v", string(b))
}
}()
}
}
// Run runs the specified APIServer. This should never exit.
func (s *APIServer) Run(_ []string) error {
s.verifyClusterIPFlags()
// If advertise-address is not specified, use bind-address. If bind-address
// is not usable (unset, 0.0.0.0, or loopback), setDefaults() in
// pkg/master/master.go will do the right thing and use the host's default
// interface.
if s.AdvertiseAddress == nil || s.AdvertiseAddress.IsUnspecified() {
s.AdvertiseAddress = s.BindAddress
}
if (s.EtcdConfigFile != "" && len(s.EtcdServerList) != 0) || (s.EtcdConfigFile == "" && len(s.EtcdServerList) == 0) {
glog.Fatalf("specify either --etcd-servers or --etcd-config")
}
capabilities.Initialize(capabilities.Capabilities{
AllowPrivileged: s.AllowPrivileged,
// TODO(vmarmol): Implement support for HostNetworkSources.
PrivilegedSources: capabilities.PrivilegedSources{
HostNetworkSources: []string{},
HostPIDSources: []string{},
HostIPCSources: []string{},
},
PerConnectionBandwidthLimitBytesPerSec: s.MaxConnectionBytesPerSec,
})
cloud, err := cloudprovider.InitCloudProvider(s.CloudProvider, s.CloudConfigFile)
if err != nil {
glog.Fatalf("Cloud provider could not be initialized: %v", err)
}
// Setup tunneler if needed
var tunneler master.Tunneler
var proxyDialerFn apiserver.ProxyDialerFunc
if len(s.SSHUser) > 0 {
// Get ssh key distribution func, if supported
var installSSH master.InstallSSHKey
if cloud != nil {
if instances, supported := cloud.Instances(); supported {
installSSH = instances.AddSSHKeyToAllInstances
}
}
// Set up the tunneler
tunneler = master.NewSSHTunneler(s.SSHUser, s.SSHKeyfile, installSSH)
// Use the tunneler's dialer to connect to the kubelet
s.KubeletConfig.Dial = tunneler.Dial
// Use the tunneler's dialer when proxying to pods, services, and nodes
proxyDialerFn = tunneler.Dial
}
// Proxying to pods and services is IP-based... don't expect to be able to verify the hostname
proxyTLSClientConfig := &tls.Config{InsecureSkipVerify: true}
kubeletClient, err := client.NewKubeletClient(&s.KubeletConfig)
if err != nil {
glog.Fatalf("Failure to start kubelet client: %v", err)
}
apiGroupVersionOverrides, err := s.parseRuntimeConfig()
if err != nil {
glog.Fatalf("error in parsing runtime-config: %s", err)
}
clientConfig := &client.Config{
Host: net.JoinHostPort(s.InsecureBindAddress.String(), strconv.Itoa(s.InsecurePort)),
Version: s.DeprecatedStorageVersion,
}
client, err := client.New(clientConfig)
if err != nil {
glog.Fatalf("Invalid server address: %v", err)
}
legacyV1Group, err := latest.Group("")
if err != nil {
return err
}
storageDestinations := master.NewStorageDestinations()
storageVersions := generateStorageVersionMap(s.DeprecatedStorageVersion, s.StorageVersions)
if _, found := storageVersions[legacyV1Group.Group]; !found {
glog.Fatalf("Couldn't find the storage version for group: %q in storageVersions: %v", legacyV1Group.Group, storageVersions)
}
etcdStorage, err := newEtcd(s.EtcdConfigFile, s.EtcdServerList, legacyV1Group.InterfacesFor, storageVersions[legacyV1Group.Group], s.EtcdPathPrefix)
if err != nil {
glog.Fatalf("Invalid storage version or misconfigured etcd: %v", err)
}
storageDestinations.AddAPIGroup("", etcdStorage)
if !apiGroupVersionOverrides["extensions/v1beta1"].Disable {
expGroup, err := latest.Group("extensions")
if err != nil {
glog.Fatalf("Extensions API is enabled in runtime config, but not enabled in the environment variable KUBE_API_VERSIONS. Error: %v", err)
}
if _, found := storageVersions[expGroup.Group]; !found {
glog.Fatalf("Couldn't find the storage version for group: %q in storageVersions: %v", expGroup.Group, storageVersions)
}
expEtcdStorage, err := newEtcd(s.EtcdConfigFile, s.EtcdServerList, expGroup.InterfacesFor, storageVersions[expGroup.Group], s.EtcdPathPrefix)
if err != nil {
glog.Fatalf("Invalid extensions storage version or misconfigured etcd: %v", err)
}
storageDestinations.AddAPIGroup("extensions", expEtcdStorage)
}
updateEtcdOverrides(s.EtcdServersOverrides, storageVersions, s.EtcdPathPrefix, &storageDestinations, newEtcd)
n := s.ServiceClusterIPRange
// Default to the private server key for service account token signing
if s.ServiceAccountKeyFile == "" && s.TLSPrivateKeyFile != "" {
if apiserver.IsValidServiceAccountKeyFile(s.TLSPrivateKeyFile) {
s.ServiceAccountKeyFile = s.TLSPrivateKeyFile
} else {
glog.Warning("no RSA key provided, service account token authentication disabled")
}
}
authenticator, err := apiserver.NewAuthenticator(apiserver.AuthenticatorConfig{
BasicAuthFile: s.BasicAuthFile,
ClientCAFile: s.ClientCAFile,
TokenAuthFile: s.TokenAuthFile,
OIDCIssuerURL: s.OIDCIssuerURL,
OIDCClientID: s.OIDCClientID,
OIDCCAFile: s.OIDCCAFile,
OIDCUsernameClaim: s.OIDCUsernameClaim,
ServiceAccountKeyFile: s.ServiceAccountKeyFile,
ServiceAccountLookup: s.ServiceAccountLookup,
Storage: etcdStorage,
KeystoneURL: s.KeystoneURL,
})
if err != nil {
glog.Fatalf("Invalid Authentication Config: %v", err)
}
authorizationModeNames := strings.Split(s.AuthorizationMode, ",")
authorizer, err := apiserver.NewAuthorizerFromAuthorizationConfig(authorizationModeNames, s.AuthorizationPolicyFile)
if err != nil {
glog.Fatalf("Invalid Authorization Config: %v", err)
}
admissionControlPluginNames := strings.Split(s.AdmissionControl, ",")
admissionController := admission.NewFromPlugins(client, admissionControlPluginNames, s.AdmissionControlConfigFile)
if len(s.ExternalHost) == 0 {
// TODO: extend for other providers
if s.CloudProvider == "gce" {
instances, supported := cloud.Instances()
if !supported {
glog.Fatalf("gce cloud provider has no instances. this shouldn't happen. exiting.")
}
name, err := os.Hostname()
if err != nil {
glog.Fatalf("failed to get hostname: %v", err)
}
addrs, err := instances.NodeAddresses(name)
if err != nil {
glog.Warningf("unable to obtain external host address from cloud provider: %v", err)
} else {
for _, addr := range addrs {
if addr.Type == api.NodeExternalIP {
s.ExternalHost = addr.Address
}
}
}
}
}
config := &master.Config{
StorageDestinations: storageDestinations,
StorageVersions: storageVersions,
EventTTL: s.EventTTL,
KubeletClient: kubeletClient,
ServiceClusterIPRange: &n,
EnableCoreControllers: true,
EnableLogsSupport: s.EnableLogsSupport,
EnableUISupport: true,
EnableSwaggerSupport: true,
EnableProfiling: s.EnableProfiling,
EnableWatchCache: s.EnableWatchCache,
EnableIndex: true,
APIPrefix: s.APIPrefix,
APIGroupPrefix: s.APIGroupPrefix,
CorsAllowedOriginList: s.CorsAllowedOriginList,
ReadWritePort: s.SecurePort,
PublicAddress: s.AdvertiseAddress,
Authenticator: authenticator,
SupportsBasicAuth: len(s.BasicAuthFile) > 0,
Authorizer: authorizer,
AdmissionControl: admissionController,
APIGroupVersionOverrides: apiGroupVersionOverrides,
MasterServiceNamespace: s.MasterServiceNamespace,
ClusterName: s.ClusterName,
ExternalHost: s.ExternalHost,
MinRequestTimeout: s.MinRequestTimeout,
ProxyDialer: proxyDialerFn,
ProxyTLSClientConfig: proxyTLSClientConfig,
Tunneler: tunneler,
ServiceNodePortRange: s.ServiceNodePortRange,
}
m := master.New(config)
// We serve on 2 ports. See docs/accessing_the_api.md
secureLocation := ""
if s.SecurePort != 0 {
secureLocation = net.JoinHostPort(s.BindAddress.String(), strconv.Itoa(s.SecurePort))
}
insecureLocation := net.JoinHostPort(s.InsecureBindAddress.String(), strconv.Itoa(s.InsecurePort))
// See the flag commentary to understand our assumptions when opening the read-only and read-write ports.
var sem chan bool
if s.MaxRequestsInFlight > 0 {
sem = make(chan bool, s.MaxRequestsInFlight)
}
longRunningRE := regexp.MustCompile(s.LongRunningRequestRE)
longRunningTimeout := func(req *http.Request) (<-chan time.Time, string) {
// TODO unify this with apiserver.MaxInFlightLimit
if longRunningRE.MatchString(req.URL.Path) || req.URL.Query().Get("watch") == "true" {
return nil, ""
}
return time.After(time.Minute), ""
}
if secureLocation != "" {
handler := apiserver.TimeoutHandler(m.Handler, longRunningTimeout)
secureServer := &http.Server{
Addr: secureLocation,
Handler: apiserver.MaxInFlightLimit(sem, longRunningRE, apiserver.RecoverPanics(handler)),
MaxHeaderBytes: 1 << 20,
TLSConfig: &tls.Config{
// Change default from SSLv3 to TLSv1.0 (because of POODLE vulnerability)
MinVersion: tls.VersionTLS10,
},
}
if len(s.ClientCAFile) > 0 {
clientCAs, err := util.CertPoolFromFile(s.ClientCAFile)
if err != nil {
glog.Fatalf("unable to load client CA file: %v", err)
}
// Populate PeerCertificates in requests, but don't reject connections without certificates
// This allows certificates to be validated by authenticators, while still allowing other auth types
secureServer.TLSConfig.ClientAuth = tls.RequestClientCert
// Specify allowed CAs for client certificates
secureServer.TLSConfig.ClientCAs = clientCAs
}
glog.Infof("Serving securely on %s", secureLocation)
if s.TLSCertFile == "" && s.TLSPrivateKeyFile == "" {
s.TLSCertFile = path.Join(s.CertDirectory, "apiserver.crt")
s.TLSPrivateKeyFile = path.Join(s.CertDirectory, "apiserver.key")
// TODO (cjcullen): Is PublicAddress the right address to sign a cert with?
alternateIPs := []net.IP{config.ServiceReadWriteIP}
alternateDNS := []string{"kubernetes.default.svc", "kubernetes.default", "kubernetes"}
// It would be nice to set a fqdn subject alt name, but only the kubelets know, the apiserver is clueless
// alternateDNS = append(alternateDNS, "kubernetes.default.svc.CLUSTER.DNS.NAME")
if err := util.GenerateSelfSignedCert(config.PublicAddress.String(), s.TLSCertFile, s.TLSPrivateKeyFile, alternateIPs, alternateDNS); err != nil {
glog.Errorf("Unable to generate self signed cert: %v", err)
} else {
glog.Infof("Using self-signed cert (%s, %s)", s.TLSCertFile, s.TLSPrivateKeyFile)
}
}
go func() {
defer util.HandleCrash()
for {
// err == systemd.SdNotifyNoSocket when not running on a systemd system
if err := systemd.SdNotify("READY=1\n"); err != nil && err != systemd.SdNotifyNoSocket {
glog.Errorf("Unable to send systemd daemon successful start message: %v\n", err)
}
if err := secureServer.ListenAndServeTLS(s.TLSCertFile, s.TLSPrivateKeyFile); err != nil {
glog.Errorf("Unable to listen for secure (%v); will try again.", err)
}
time.Sleep(15 * time.Second)
}
}()
}
handler := apiserver.TimeoutHandler(m.InsecureHandler, longRunningTimeout)
http := &http.Server{
Addr: insecureLocation,
Handler: apiserver.RecoverPanics(handler),
MaxHeaderBytes: 1 << 20,
}
if secureLocation == "" {
// err == systemd.SdNotifyNoSocket when not running on a systemd system
if err := systemd.SdNotify("READY=1\n"); err != nil && err != systemd.SdNotifyNoSocket {
glog.Errorf("Unable to send systemd daemon successful start message: %v\n", err)
}
}
glog.Infof("Serving insecurely on %s", insecureLocation)
glog.Fatal(http.ListenAndServe())
return nil
}