func TestDoRequestNewWayFile(t *testing.T) {
reqObj := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}
reqBodyExpected, err := testapi.Codec().Encode(reqObj)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
file, err := ioutil.TempFile("", "foo")
if err != nil {
t.Errorf("unexpected error: %v", err)
}
_, err = file.Write(reqBodyExpected)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
expectedObj := &api.Service{Spec: api.ServiceSpec{Ports: []api.ServicePort{{
Protocol: "TCP",
Port: 12345,
TargetPort: util.NewIntOrStringFromInt(12345),
}}}}
expectedBody, _ := testapi.Codec().Encode(expectedObj)
fakeHandler := util.FakeHandler{
StatusCode: 200,
ResponseBody: string(expectedBody),
T: t,
}
testServer := httptest.NewServer(&fakeHandler)
c := NewOrDie(&Config{Host: testServer.URL, Version: testapi.Version(), Username: "******", Password: "******"})
wasCreated := true
obj, err := c.Verb("POST").
Prefix("foo/bar", "baz").
Timeout(time.Second).
Body(file.Name()).
Do().WasCreated(&wasCreated).Get()
if err != nil {
t.Errorf("Unexpected error: %v %#v", err, err)
return
}
if obj == nil {
t.Error("nil obj")
} else if !api.Semantic.DeepDerivative(expectedObj, obj) {
t.Errorf("Expected: %#v, got %#v", expectedObj, obj)
}
if wasCreated {
t.Errorf("expected object was not created")
}
tmpStr := string(reqBodyExpected)
requestURL := testapi.ResourcePathWithPrefix("foo/bar/baz", "", "", "")
requestURL += "?timeout=1s"
fakeHandler.ValidateRequest(t, requestURL, "POST", &tmpStr)
if fakeHandler.RequestReceived.Header["Authorization"] == nil {
t.Errorf("Request is missing authorization header: %#v", *fakeHandler.RequestReceived)
}
}
func TestListWatchesCanList(t *testing.T) {
fieldSelectorQueryParamName := api.FieldSelectorQueryParam(testapi.Version())
table := []struct {
location string
resource string
namespace string
fieldSelector fields.Selector
}{
// Minion
{
location: testapi.ResourcePath("minions", api.NamespaceAll, ""),
resource: "minions",
namespace: api.NamespaceAll,
fieldSelector: parseSelectorOrDie(""),
},
// pod with "assigned" field selector.
{
location: buildLocation(
testapi.ResourcePath("pods", api.NamespaceAll, ""),
buildQueryValues(url.Values{fieldSelectorQueryParamName: []string{"spec.host="}})),
resource: "pods",
namespace: api.NamespaceAll,
fieldSelector: fields.Set{"spec.host": ""}.AsSelector(),
},
// pod in namespace "foo"
{
location: buildLocation(
testapi.ResourcePath("pods", "foo", ""),
buildQueryValues(url.Values{fieldSelectorQueryParamName: []string{"spec.host="}})),
resource: "pods",
namespace: "foo",
fieldSelector: fields.Set{"spec.host": ""}.AsSelector(),
},
}
for _, item := range table {
handler := util.FakeHandler{
StatusCode: 500,
ResponseBody: "",
T: t,
}
server := httptest.NewServer(&handler)
defer server.Close()
client := client.NewOrDie(&client.Config{Host: server.URL, Version: testapi.Version()})
lw := NewListWatchFromClient(client, item.resource, item.namespace, item.fieldSelector)
// This test merely tests that the correct request is made.
lw.List()
handler.ValidateRequest(t, item.location, "GET", nil)
}
}
func TestSyncReplicationControllerDormancy(t *testing.T) {
// Setup a test server so we can lie about the current state of pods
fakeHandler := util.FakeHandler{
StatusCode: 200,
ResponseBody: "",
}
testServer := httptest.NewServer(&fakeHandler)
defer testServer.Close()
client := client.NewOrDie(&client.Config{Host: testServer.URL, Version: testapi.Version()})
fakePodControl := FakePodControl{}
manager := NewReplicationManager(client, BurstReplicas)
manager.podStoreSynced = alwaysReady
manager.podControl = &fakePodControl
controllerSpec := newReplicationController(2)
manager.controllerStore.Store.Add(controllerSpec)
newPodList(manager.podStore.Store, 1, api.PodRunning, controllerSpec)
// Creates a replica and sets expectations
controllerSpec.Status.Replicas = 1
manager.syncReplicationController(getKey(controllerSpec, t))
validateSyncReplication(t, &fakePodControl, 1, 0)
// Expectations prevents replicas but not an update on status
controllerSpec.Status.Replicas = 0
fakePodControl.clear()
manager.syncReplicationController(getKey(controllerSpec, t))
validateSyncReplication(t, &fakePodControl, 0, 0)
// Lowering expectations should lead to a sync that creates a replica, however the
// fakePodControl error will prevent this, leaving expectations at 0, 0
manager.expectations.CreationObserved(controllerSpec)
controllerSpec.Status.Replicas = 1
fakePodControl.clear()
fakePodControl.err = fmt.Errorf("Fake Error")
manager.syncReplicationController(getKey(controllerSpec, t))
validateSyncReplication(t, &fakePodControl, 0, 0)
// This replica should not need a Lowering of expectations, since the previous create failed
fakePodControl.err = nil
manager.syncReplicationController(getKey(controllerSpec, t))
validateSyncReplication(t, &fakePodControl, 1, 0)
// 1 PUT for the rc status during dormancy window.
// Note that the pod creates go through pod control so they're not recorded.
fakeHandler.ValidateRequestCount(t, 1)
}
func TestDoRequestNewWayObj(t *testing.T) {
reqObj := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}
reqBodyExpected, _ := testapi.Codec().Encode(reqObj)
expectedObj := &api.Service{Spec: api.ServiceSpec{Ports: []api.ServicePort{{
Protocol: "TCP",
Port: 12345,
TargetPort: util.NewIntOrStringFromInt(12345),
}}}}
expectedBody, _ := testapi.Codec().Encode(expectedObj)
fakeHandler := util.FakeHandler{
StatusCode: 200,
ResponseBody: string(expectedBody),
T: t,
}
testServer := httptest.NewServer(&fakeHandler)
c := NewOrDie(&Config{Host: testServer.URL, Version: testapi.Version(), Username: "******", Password: "******"})
obj, err := c.Verb("POST").
Suffix("baz").
Name("bar").
Resource("foo").
LabelsSelectorParam(labels.Set{"name": "foo"}.AsSelector()).
Timeout(time.Second).
Body(reqObj).
Do().Get()
if err != nil {
t.Errorf("Unexpected error: %v %#v", err, err)
return
}
if obj == nil {
t.Error("nil obj")
} else if !api.Semantic.DeepDerivative(expectedObj, obj) {
t.Errorf("Expected: %#v, got %#v", expectedObj, obj)
}
tmpStr := string(reqBodyExpected)
requestURL := testapi.ResourcePath("foo", "", "bar/baz")
requestURL += "?" + api.LabelSelectorQueryParam(testapi.Version()) + "=name%3Dfoo&timeout=1s"
fakeHandler.ValidateRequest(t, requestURL, "POST", &tmpStr)
if fakeHandler.RequestReceived.Header["Authorization"] == nil {
t.Errorf("Request is missing authorization header: %#v", *fakeHandler.RequestReceived)
}
}
func TestControllerUpdateRequeue(t *testing.T) {
// This server should force a requeue of the controller becuase it fails to update status.Replicas.
fakeHandler := util.FakeHandler{
StatusCode: 500,
ResponseBody: "",
}
testServer := httptest.NewServer(&fakeHandler)
defer testServer.Close()
client := client.NewOrDie(&client.Config{Host: testServer.URL, Version: testapi.Version()})
manager := NewReplicationManager(client, BurstReplicas)
manager.podStoreSynced = alwaysReady
rc := newReplicationController(1)
manager.controllerStore.Store.Add(rc)
rc.Status = api.ReplicationControllerStatus{Replicas: 2}
newPodList(manager.podStore.Store, 1, api.PodRunning, rc)
fakePodControl := FakePodControl{}
manager.podControl = &fakePodControl
manager.syncReplicationController(getKey(rc, t))
ch := make(chan interface{})
go func() {
item, _ := manager.queue.Get()
ch <- item
}()
select {
case key := <-ch:
expectedKey := getKey(rc, t)
if key != expectedKey {
t.Errorf("Expected requeue of controller with key %s got %s", expectedKey, key)
}
case <-time.After(controllerTimeout):
manager.queue.ShutDown()
t.Errorf("Expected to find an rc in the queue, found none.")
}
// 1 Update and 1 GET, both of which fail
fakeHandler.ValidateRequestCount(t, 2)
}
func TestStatusUpdatesWithoutReplicasChange(t *testing.T) {
// Setup a fake server to listen for requests, and run the rc manager in steady state
fakeHandler := util.FakeHandler{
StatusCode: 200,
ResponseBody: "",
}
testServer := httptest.NewServer(&fakeHandler)
defer testServer.Close()
client := client.NewOrDie(&client.Config{Host: testServer.URL, Version: testapi.Version()})
manager := NewReplicationManager(client, BurstReplicas)
manager.podStoreSynced = alwaysReady
// Steady state for the replication controller, no Status.Replicas updates expected
activePods := 5
rc := newReplicationController(activePods)
manager.controllerStore.Store.Add(rc)
rc.Status = api.ReplicationControllerStatus{Replicas: activePods}
newPodList(manager.podStore.Store, activePods, api.PodRunning, rc)
fakePodControl := FakePodControl{}
manager.podControl = &fakePodControl
manager.syncReplicationController(getKey(rc, t))
validateSyncReplication(t, &fakePodControl, 0, 0)
if fakeHandler.RequestReceived != nil {
t.Errorf("Unexpected update when pods and rcs are in a steady state")
}
// This response body is just so we don't err out decoding the http response, all
// we care about is the request body sent below.
response := runtime.EncodeOrDie(testapi.Codec(), &api.ReplicationController{})
fakeHandler.ResponseBody = response
rc.Generation = rc.Generation + 1
manager.syncReplicationController(getKey(rc, t))
rc.Status.ObservedGeneration = rc.Generation
updatedRc := runtime.EncodeOrDie(testapi.Codec(), rc)
fakeHandler.ValidateRequest(t, testapi.ResourcePath(replicationControllerResourceName(), rc.Namespace, rc.Name), "PUT", &updatedRc)
}
func TestDoRequestWithoutPassword(t *testing.T) {
status := &api.Status{Status: api.StatusFailure}
expectedBody, _ := latest.Codec.Encode(status)
fakeHandler := util.FakeHandler{
StatusCode: 400,
ResponseBody: string(expectedBody),
T: t,
}
testServer := httptest.NewServer(&fakeHandler)
defer testServer.Close()
c, err := RESTClientFor(&Config{
Host: testServer.URL,
Version: testapi.Version(),
Codec: testapi.Codec(),
Username: "******",
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
body, err := c.Get().Prefix("test").Do().Raw()
if err == nil {
t.Fatalf("Unexpected non-error")
}
if fakeHandler.RequestReceived.Header["Authorization"] == nil {
t.Errorf("Request is missing authorization header: %#v", fakeHandler.RequestReceived)
}
se, ok := err.(APIStatus)
if !ok {
t.Fatalf("Unexpected kind of error: %#v", err)
}
if !reflect.DeepEqual(se.Status(), *status) {
t.Errorf("Unexpected status: %#v %#v", se.Status(), status)
}
if body != nil {
t.Errorf("Expected nil body, but saw: '%s'", string(body))
}
fakeHandler.ValidateRequest(t, "/"+testapi.Version()+"/test", "GET", nil)
}
func TestDoRequestNewWay(t *testing.T) {
reqBody := "request body"
expectedObj := &api.Service{Spec: api.ServiceSpec{Ports: []api.ServicePort{{
Protocol: "TCP",
Port: 12345,
TargetPort: util.NewIntOrStringFromInt(12345),
}}}}
expectedBody, _ := testapi.Codec().Encode(expectedObj)
fakeHandler := util.FakeHandler{
StatusCode: 200,
ResponseBody: string(expectedBody),
T: t,
}
testServer := httptest.NewServer(&fakeHandler)
defer testServer.Close()
c := NewOrDie(&Config{Host: testServer.URL, Version: testapi.Version(), Username: "******", Password: "******"})
obj, err := c.Verb("POST").
Prefix("foo", "bar").
Suffix("baz").
Timeout(time.Second).
Body([]byte(reqBody)).
Do().Get()
if err != nil {
t.Errorf("Unexpected error: %v %#v", err, err)
return
}
if obj == nil {
t.Error("nil obj")
} else if !api.Semantic.DeepDerivative(expectedObj, obj) {
t.Errorf("Expected: %#v, got %#v", expectedObj, obj)
}
requestURL := testapi.ResourcePathWithPrefix("foo/bar", "", "", "baz")
requestURL += "?timeout=1s"
fakeHandler.ValidateRequest(t, requestURL, "POST", &reqBody)
if fakeHandler.RequestReceived.Header["Authorization"] == nil {
t.Errorf("Request is missing authorization header: %#v", *fakeHandler.RequestReceived)
}
}
func TestControllerUpdateReplicas(t *testing.T) {
// This is a happy server just to record the PUT request we expect for status.Replicas
fakeHandler := util.FakeHandler{
StatusCode: 200,
ResponseBody: "",
}
testServer := httptest.NewServer(&fakeHandler)
defer testServer.Close()
client := client.NewOrDie(&client.Config{Host: testServer.URL, Version: testapi.Version()})
manager := NewReplicationManager(client, BurstReplicas)
manager.podStoreSynced = alwaysReady
// Insufficient number of pods in the system, and Status.Replicas is wrong;
// Status.Replica should update to match number of pods in system, 1 new pod should be created.
rc := newReplicationController(5)
manager.controllerStore.Store.Add(rc)
rc.Status = api.ReplicationControllerStatus{Replicas: 2, ObservedGeneration: 0}
rc.Generation = 1
newPodList(manager.podStore.Store, 4, api.PodRunning, rc)
// This response body is just so we don't err out decoding the http response
response := runtime.EncodeOrDie(testapi.Codec(), &api.ReplicationController{})
fakeHandler.ResponseBody = response
fakePodControl := FakePodControl{}
manager.podControl = &fakePodControl
manager.syncReplicationController(getKey(rc, t))
// 1. Status.Replicas should go up from 2->4 even though we created 5-4=1 pod.
// 2. Every update to the status should include the Generation of the spec.
rc.Status = api.ReplicationControllerStatus{Replicas: 4, ObservedGeneration: 1}
decRc := runtime.EncodeOrDie(testapi.Codec(), rc)
fakeHandler.ValidateRequest(t, testapi.ResourcePath(replicationControllerResourceName(), rc.Namespace, rc.Name), "PUT", &decRc)
validateSyncReplication(t, &fakePodControl, 1, 0)
}
func TestCreateReplica(t *testing.T) {
ns := api.NamespaceDefault
body := runtime.EncodeOrDie(testapi.Codec(), &api.Pod{ObjectMeta: api.ObjectMeta{Name: "empty_pod"}})
fakeHandler := util.FakeHandler{
StatusCode: 200,
ResponseBody: string(body),
}
testServer := httptest.NewServer(&fakeHandler)
defer testServer.Close()
client := client.NewOrDie(&client.Config{Host: testServer.URL, Version: testapi.Version()})
podControl := RealPodControl{
qingClient: client,
recorder: &record.FakeRecorder{},
}
controllerSpec := newReplicationController(1)
// Make sure createReplica sends a POST to the apiserver with a pod from the controllers pod template
podControl.createReplica(ns, controllerSpec)
expectedPod := api.Pod{
ObjectMeta: api.ObjectMeta{
Labels: controllerSpec.Spec.Template.Labels,
GenerateName: fmt.Sprintf("%s-", controllerSpec.Name),
},
Spec: controllerSpec.Spec.Template.Spec,
}
fakeHandler.ValidateRequest(t, testapi.ResourcePath("pods", api.NamespaceDefault, ""), "POST", nil)
actualPod, err := client.Codec.Decode([]byte(fakeHandler.RequestBody))
if err != nil {
t.Errorf("Unexpected error: %#v", err)
}
if !api.Semantic.DeepDerivative(&expectedPod, actualPod) {
t.Logf("Body: %s", fakeHandler.RequestBody)
t.Errorf("Unexpected mismatch. Expected\n %#v,\n Got:\n %#v", &expectedPod, actualPod)
}
}
func TestDoRequestCreated(t *testing.T) {
status := &api.Status{Status: api.StatusSuccess}
expectedBody, _ := latest.Codec.Encode(status)
fakeHandler := util.FakeHandler{
StatusCode: 201,
ResponseBody: string(expectedBody),
T: t,
}
testServer := httptest.NewServer(&fakeHandler)
defer testServer.Close()
c, err := RESTClientFor(&Config{
Host: testServer.URL,
Version: testapi.Version(),
Codec: testapi.Codec(),
Username: "******",
Password: "******",
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
created := false
body, err := c.Get().Prefix("test").Do().WasCreated(&created).Raw()
if err != nil {
t.Errorf("Unexpected error %#v", err)
}
if !created {
t.Errorf("Expected object to be created")
}
statusOut, err := latest.Codec.Decode(body)
if err != nil {
t.Errorf("Unexpected error %#v", err)
}
if !reflect.DeepEqual(status, statusOut) {
t.Errorf("Unexpected mis-match. Expected %#v. Saw %#v", status, statusOut)
}
fakeHandler.ValidateRequest(t, "/"+testapi.Version()+"/test", "GET", nil)
}
func TestDoRequestSuccess(t *testing.T) {
status := &api.Status{Status: api.StatusSuccess}
expectedBody, _ := latest.Codec.Encode(status)
fakeHandler := util.FakeHandler{
StatusCode: 200,
ResponseBody: string(expectedBody),
T: t,
}
testServer := httptest.NewServer(&fakeHandler)
defer testServer.Close()
c, err := RESTClientFor(&Config{
Host: testServer.URL,
Version: testapi.Version(),
Codec: testapi.Codec(),
Username: "******",
Password: "******",
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
body, err := c.Get().Prefix("test").Do().Raw()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if fakeHandler.RequestReceived.Header["Authorization"] == nil {
t.Errorf("Request is missing authorization header: %#v", fakeHandler.RequestReceived)
}
statusOut, err := latest.Codec.Decode(body)
if err != nil {
t.Errorf("Unexpected error %#v", err)
}
if !reflect.DeepEqual(status, statusOut) {
t.Errorf("Unexpected mis-match. Expected %#v. Saw %#v", status, statusOut)
}
fakeHandler.ValidateRequest(t, "/"+testapi.Version()+"/test", "GET", nil)
}