// roundTrip applies a single round-trip test to the given runtime object
// using the given codec. The round-trip test ensures that an object can be
// deep-copied and converted from internal -> versioned -> internal without
// loss of data.
func roundTrip(t *testing.T, codec runtime.Codec, item runtime.Object) {
printer := spew.ConfigState{DisableMethods: true}
original := item
// deep copy the original object
copied, err := api.Scheme.DeepCopy(item)
if err != nil {
panic(fmt.Sprintf("unable to copy: %v", err))
}
item = copied.(runtime.Object)
name := reflect.TypeOf(item).Elem().Name()
// encode (serialize) the deep copy using the provided codec
data, err := runtime.Encode(codec, item)
if err != nil {
if runtime.IsNotRegisteredError(err) {
t.Logf("%v: not registered: %v (%s)", name, err, printer.Sprintf("%#v", item))
} else {
t.Errorf("%v: %v (%s)", name, err, printer.Sprintf("%#v", item))
}
return
}
// ensure that the deep copy is equal to the original; neither the deep
// copy or conversion should alter the object
if !api.Semantic.DeepEqual(original, item) {
t.Errorf("0: %v: encode altered the object, diff: %v", name, diff.ObjectReflectDiff(original, item))
return
}
// decode (deserialize) the encoded data back into an object
obj2, err := runtime.Decode(codec, data)
if err != nil {
t.Errorf("0: %v: %v\nCodec: %#v\nData: %s\nSource: %#v", name, err, codec, dataAsString(data), printer.Sprintf("%#v", item))
panic("failed")
}
// ensure that the object produced from decoding the encoded data is equal
// to the original object
if !api.Semantic.DeepEqual(original, obj2) {
t.Errorf("\n1: %v: diff: %v\nCodec: %#v\nSource:\n\n%#v\n\nEncoded:\n\n%s\n\nFinal:\n\n%#v", name, diff.ObjectReflectDiff(item, obj2), codec, printer.Sprintf("%#v", item), dataAsString(data), printer.Sprintf("%#v", obj2))
return
}
// decode the encoded data into a new object (instead of letting the codec
// create a new object)
obj3 := reflect.New(reflect.TypeOf(item).Elem()).Interface().(runtime.Object)
if err := runtime.DecodeInto(codec, data, obj3); err != nil {
t.Errorf("2: %v: %v", name, err)
return
}
// ensure that the new runtime object is equal to the original after being
// decoded into
if !api.Semantic.DeepEqual(item, obj3) {
t.Errorf("3: %v: diff: %v\nCodec: %#v", name, diff.ObjectReflectDiff(item, obj3), codec)
return
}
}
func BenchmarkNodeConversion(b *testing.B) {
data, err := ioutil.ReadFile("node_example.json")
if err != nil {
b.Fatalf("Unexpected error while reading file: %v", err)
}
var node api.Node
if err := runtime.DecodeInto(testapi.Default.Codec(), data, &node); err != nil {
b.Fatalf("Unexpected error decoding node: %v", err)
}
scheme := api.Scheme
var result *api.Node
b.ResetTimer()
for i := 0; i < b.N; i++ {
versionedObj, err := scheme.UnsafeConvertToVersion(&node, api.Registry.GroupOrDie(api.GroupName).GroupVersion)
if err != nil {
b.Fatalf("Conversion error: %v", err)
}
obj, err := scheme.UnsafeConvertToVersion(versionedObj, testapi.Default.InternalGroupVersion())
if err != nil {
b.Fatalf("Conversion error: %v", err)
}
result = obj.(*api.Node)
}
b.StopTimer()
if !api.Semantic.DeepDerivative(node, *result) {
b.Fatalf("Incorrect conversion: %s", diff.ObjectDiff(node, *result))
}
}
func runTest(t *testing.T, source interface{}) {
name := reflect.TypeOf(source).Elem().Name()
TestObjectFuzzer.Fuzz(source)
_, codec := GetTestScheme()
data, err := runtime.Encode(codec, source.(runtime.Object))
if err != nil {
t.Errorf("%v: %v (%#v)", name, err, source)
return
}
obj2, err := runtime.Decode(codec, data)
if err != nil {
t.Errorf("%v: %v (%v)", name, err, string(data))
return
}
if !semantic.DeepEqual(source, obj2) {
t.Errorf("1: %v: diff: %v", name, diff.ObjectGoPrintSideBySide(source, obj2))
return
}
obj3 := reflect.New(reflect.TypeOf(source).Elem()).Interface()
if err := runtime.DecodeInto(codec, data, obj3.(runtime.Object)); err != nil {
t.Errorf("2: %v: %v", name, err)
return
}
if !semantic.DeepEqual(source, obj3) {
t.Errorf("3: %v: diff: %v", name, diff.ObjectDiff(source, obj3))
return
}
}
func createConfig(s *options.SchedulerServer, kubecli *clientset.Clientset) (*scheduler.Config, error) {
configFactory := factory.NewConfigFactory(kubecli, s.SchedulerName, s.HardPodAffinitySymmetricWeight, s.FailureDomains)
if _, err := os.Stat(s.PolicyConfigFile); err == nil {
var (
policy schedulerapi.Policy
configData []byte
)
configData, err := ioutil.ReadFile(s.PolicyConfigFile)
if err != nil {
return nil, fmt.Errorf("unable to read policy config: %v", err)
}
if err := runtime.DecodeInto(latestschedulerapi.Codec, configData, &policy); err != nil {
return nil, fmt.Errorf("invalid configuration: %v", err)
}
return configFactory.CreateFromConfig(policy)
}
// if the config file isn't provided, use the specified (or default) provider
config, err := configFactory.CreateFromProvider(s.AlgorithmProvider)
if err != nil {
return nil, err
}
eventBroadcaster := record.NewBroadcaster()
config.Recorder = eventBroadcaster.NewRecorder(v1.EventSource{Component: s.SchedulerName})
eventBroadcaster.StartLogging(glog.Infof)
eventBroadcaster.StartRecordingToSink(&v1core.EventSinkImpl{Interface: kubecli.Core().Events("")})
return config, nil
}
// Try to check for config on the API server, return that config if we get it, and start
// a background thread that checks for updates to configs.
func initKubeletConfigSync(s *options.KubeletServer) (*componentconfig.KubeletConfiguration, error) {
jsonstr, err := getRemoteKubeletConfig(s, nil)
if err == nil {
// We will compare future API server config against the config we just got (jsonstr):
startKubeletConfigSyncLoop(s, jsonstr)
// Convert json from API server to external type struct, and convert that to internal type struct
extKC := componentconfigv1alpha1.KubeletConfiguration{}
err := runtime.DecodeInto(api.Codecs.UniversalDecoder(), []byte(jsonstr), &extKC)
if err != nil {
return nil, err
}
api.Scheme.Default(&extKC)
kc := componentconfig.KubeletConfiguration{}
err = api.Scheme.Convert(&extKC, &kc, nil)
if err != nil {
return nil, err
}
return &kc, nil
} else {
// Couldn't get a configuration from the API server yet.
// Restart as soon as anything comes back from the API server.
startKubeletConfigSyncLoop(s, "")
return nil, err
}
}
func BenchmarkReplicationControllerConversion(b *testing.B) {
data, err := ioutil.ReadFile("replication_controller_example.json")
if err != nil {
b.Fatalf("Unexpected error while reading file: %v", err)
}
var replicationController api.ReplicationController
if err := runtime.DecodeInto(testapi.Default.Codec(), data, &replicationController); err != nil {
b.Fatalf("Unexpected error decoding node: %v", err)
}
scheme := api.Scheme
var result *api.ReplicationController
b.ResetTimer()
for i := 0; i < b.N; i++ {
versionedObj, err := scheme.UnsafeConvertToVersion(&replicationController, api.Registry.GroupOrDie(api.GroupName).GroupVersion)
if err != nil {
b.Fatalf("Conversion error: %v", err)
}
obj, err := scheme.UnsafeConvertToVersion(versionedObj, testapi.Default.InternalGroupVersion())
if err != nil {
b.Fatalf("Conversion error: %v", err)
}
result = obj.(*api.ReplicationController)
}
b.StopTimer()
if !api.Semantic.DeepDerivative(replicationController, *result) {
b.Fatalf("Incorrect conversion: expected %v, got %v", replicationController, *result)
}
}
func NewJoin(cfgPath string, args []string, cfg *kubeadmapi.NodeConfiguration, skipPreFlight bool) (*Join, error) {
fmt.Println("[kubeadm] WARNING: kubeadm is in alpha, please do not use it for production clusters.")
if cfgPath != "" {
b, err := ioutil.ReadFile(cfgPath)
if err != nil {
return nil, fmt.Errorf("unable to read config from %q [%v]", cfgPath, err)
}
if err := runtime.DecodeInto(api.Codecs.UniversalDecoder(), b, cfg); err != nil {
return nil, fmt.Errorf("unable to decode config from %q [%v]", cfgPath, err)
}
}
if !skipPreFlight {
fmt.Println("[preflight] Running pre-flight checks")
// First, check if we're root separately from the other preflight checks and fail fast
if err := preflight.RunRootCheckOnly(); err != nil {
return nil, err
}
// Then continue with the others...
if err := preflight.RunJoinNodeChecks(cfg); err != nil {
return nil, err
}
} else {
fmt.Println("[preflight] Skipping pre-flight checks")
}
// Try to start the kubelet service in case it's inactive
preflight.TryStartKubelet()
return &Join{cfg: cfg}, nil
}
func readServiceFromFile(t *testing.T, filename string) *api.Service {
data := readBytesFromFile(t, filename)
svc := api.Service{}
if err := runtime.DecodeInto(testapi.Default.Codec(), data, &svc); err != nil {
t.Fatal(err)
}
return &svc
}
func readReplicationControllerFromFile(t *testing.T, filename string) *api.ReplicationController {
data := readBytesFromFile(t, filename)
rc := api.ReplicationController{}
if err := runtime.DecodeInto(testapi.Default.Codec(), data, &rc); err != nil {
t.Fatal(err)
}
return &rc
}
func TestSetControllerConversion(t *testing.T) {
if err := api.Scheme.AddConversionFuncs(Convert_v1beta1_ReplicaSet_to_api_ReplicationController); err != nil {
t.Fatal(err)
}
rs := &extensions.ReplicaSet{}
rc := &api.ReplicationController{}
extGroup := testapi.Extensions
defaultGroup := testapi.Default
fuzzInternalObject(t, extGroup.InternalGroupVersion(), rs, rand.Int63())
t.Logf("rs._internal.extensions -> rs.v1beta1.extensions")
data, err := runtime.Encode(extGroup.Codec(), rs)
if err != nil {
t.Fatalf("unexpected encoding error: %v", err)
}
decoder := api.Codecs.DecoderToVersion(
api.Codecs.UniversalDeserializer(),
runtime.NewMultiGroupVersioner(
*defaultGroup.GroupVersion(),
schema.GroupKind{Group: defaultGroup.GroupVersion().Group},
schema.GroupKind{Group: extGroup.GroupVersion().Group},
),
)
t.Logf("rs.v1beta1.extensions -> rc._internal")
if err := runtime.DecodeInto(decoder, data, rc); err != nil {
t.Fatalf("unexpected decoding error: %v", err)
}
t.Logf("rc._internal -> rc.v1")
data, err = runtime.Encode(defaultGroup.Codec(), rc)
if err != nil {
t.Fatalf("unexpected encoding error: %v", err)
}
t.Logf("rc.v1 -> rs._internal.extensions")
if err := runtime.DecodeInto(decoder, data, rs); err != nil {
t.Fatalf("unexpected decoding error: %v", err)
}
}
// rcFromManifest reads a .json/yaml file and returns the rc in it.
func rcFromManifest(fileName string) *v1.ReplicationController {
var controller v1.ReplicationController
framework.Logf("Parsing rc from %v", fileName)
data := generated.ReadOrDie(fileName)
json, err := utilyaml.ToJSON(data)
Expect(err).NotTo(HaveOccurred())
Expect(runtime.DecodeInto(api.Codecs.UniversalDecoder(), json, &controller)).NotTo(HaveOccurred())
return &controller
}
func unstructuredToPod(obj *unstructured.Unstructured) (*v1.Pod, error) {
json, err := runtime.Encode(unstructured.UnstructuredJSONScheme, obj)
if err != nil {
return nil, err
}
pod := new(v1.Pod)
err = runtime.DecodeInto(testapi.Default.Codec(), json, pod)
pod.Kind = ""
pod.APIVersion = ""
return pod, err
}
// svcFromManifest reads a .json/yaml file and returns the rc in it.
func svcFromManifest(fileName string) *v1.Service {
var svc v1.Service
framework.Logf("Parsing service from %v", fileName)
data := generated.ReadOrDie(fileName)
json, err := utilyaml.ToJSON(data)
Expect(err).NotTo(HaveOccurred())
Expect(runtime.DecodeInto(api.Codecs.UniversalDecoder(), json, &svc)).NotTo(HaveOccurred())
return &svc
}
// RCFromManifest reads a .json file and returns the rc in it.
func RCFromManifest(fileName string) *v1.ReplicationController {
data, err := ioutil.ReadFile(fileName)
if err != nil {
glog.Fatalf("Unexpected error reading rc manifest %v", err)
}
var controller v1.ReplicationController
if err := runtime.DecodeInto(testapi.Default.Codec(), data, &controller); err != nil {
glog.Fatalf("Unexpected error reading rc manifest %v", err)
}
return &controller
}
// ingFromManifest reads a .json/yaml file and returns the rc in it.
func ingFromManifest(fileName string) *extensions.Ingress {
var ing extensions.Ingress
framework.Logf("Parsing ingress from %v", fileName)
data, err := ioutil.ReadFile(fileName)
framework.ExpectNoError(err)
json, err := utilyaml.ToJSON(data)
framework.ExpectNoError(err)
framework.ExpectNoError(runtime.DecodeInto(api.Codecs.UniversalDecoder(), json, &ing))
return &ing
}
func podFromManifest(filename string) (*v1.Pod, error) {
var pod v1.Pod
framework.Logf("Parsing pod from %v", filename)
data := generated.ReadOrDie(filename)
json, err := utilyaml.ToJSON(data)
if err != nil {
return nil, err
}
if err := runtime.DecodeInto(api.Codecs.UniversalDecoder(), json, &pod); err != nil {
return nil, err
}
return &pod, nil
}
func TestBadJSONRejection(t *testing.T) {
log.SetOutput(os.Stderr)
_, codec := GetTestScheme()
badJSONs := [][]byte{
[]byte(`{"myVersionKey":"v1"}`), // Missing kind
[]byte(`{"myVersionKey":"v1","myKindKey":"bar"}`), // Unknown kind
[]byte(`{"myVersionKey":"bar","myKindKey":"TestType1"}`), // Unknown version
[]byte(`{"myKindKey":"TestType1"}`), // Missing version
}
for _, b := range badJSONs {
if _, err := runtime.Decode(codec, b); err == nil {
t.Errorf("Did not reject bad json: %s", string(b))
}
}
badJSONKindMismatch := []byte(`{"myVersionKey":"v1","myKindKey":"ExternalInternalSame"}`)
if err := runtime.DecodeInto(codec, badJSONKindMismatch, &TestType1{}); err == nil {
t.Errorf("Kind is set but doesn't match the object type: %s", badJSONKindMismatch)
}
if err := runtime.DecodeInto(codec, []byte(``), &TestType1{}); err != nil {
t.Errorf("Should allow empty decode: %v", err)
}
if _, _, err := codec.Decode([]byte(``), &schema.GroupVersionKind{Kind: "ExternalInternalSame"}, nil); err == nil {
t.Errorf("Did not give error for empty data with only kind default")
}
if _, _, err := codec.Decode([]byte(`{"myVersionKey":"v1"}`), &schema.GroupVersionKind{Kind: "ExternalInternalSame"}, nil); err != nil {
t.Errorf("Gave error for version and kind default")
}
if _, _, err := codec.Decode([]byte(`{"myKindKey":"ExternalInternalSame"}`), &schema.GroupVersionKind{Version: "v1"}, nil); err != nil {
t.Errorf("Gave error for version and kind default")
}
if _, _, err := codec.Decode([]byte(``), &schema.GroupVersionKind{Kind: "ExternalInternalSame", Version: "v1"}, nil); err != nil {
t.Errorf("Gave error for version and kind defaulted: %v", err)
}
if _, err := runtime.Decode(codec, []byte(``)); err == nil {
t.Errorf("Did not give error for empty data")
}
}
func statefulSetFromManifest(fileName, ns string) *apps.StatefulSet {
var ss apps.StatefulSet
framework.Logf("Parsing statefulset from %v", fileName)
data, err := ioutil.ReadFile(fileName)
Expect(err).NotTo(HaveOccurred())
json, err := utilyaml.ToJSON(data)
Expect(err).NotTo(HaveOccurred())
Expect(runtime.DecodeInto(api.Codecs.UniversalDecoder(), json, &ss)).NotTo(HaveOccurred())
ss.Namespace = ns
if ss.Spec.Selector == nil {
ss.Spec.Selector = &metav1.LabelSelector{
MatchLabels: ss.Spec.Template.Labels,
}
}
return &ss
}
func (o *DrainOptions) getPodCreator(pod api.Pod) (*api.SerializedReference, error) {
creatorRef, found := pod.ObjectMeta.Annotations[api.CreatedByAnnotation]
if !found {
return nil, nil
}
// Now verify that the specified creator actually exists.
sr := &api.SerializedReference{}
if err := runtime.DecodeInto(o.factory.Decoder(true), []byte(creatorRef), sr); err != nil {
return nil, err
}
// We assume the only reason for an error is because the controller is
// gone/missing, not for any other cause. TODO(mml): something more
// sophisticated than this
_, err := o.getController(sr)
if err != nil {
return nil, err
}
return sr, nil
}
// LoadPodFromFile will read, decode, and return a Pod from a file.
func LoadPodFromFile(filePath string) (*v1.Pod, error) {
if filePath == "" {
return nil, fmt.Errorf("file path not specified")
}
podDef, err := ioutil.ReadFile(filePath)
if err != nil {
return nil, fmt.Errorf("failed to read file path %s: %+v", filePath, err)
}
if len(podDef) == 0 {
return nil, fmt.Errorf("file was empty: %s", filePath)
}
pod := &v1.Pod{}
codec := api.Codecs.LegacyCodec(api.Registry.GroupOrDie(v1.GroupName).GroupVersion)
if err := runtime.DecodeInto(codec, podDef, pod); err != nil {
return nil, fmt.Errorf("failed decoding file: %v", err)
}
return pod, nil
}
// applyPatchToObject applies a strategic merge patch of <patchMap> to
// <originalMap> and stores the result in <objToUpdate>, though it operates
// on versioned map[string]interface{} representations.
func applyPatchToObject(
codec runtime.Codec,
originalMap map[string]interface{},
patchMap map[string]interface{},
objToUpdate runtime.Object,
versionedObj runtime.Object,
) error {
patchedObjMap, err := strategicpatch.StrategicMergeMapPatch(originalMap, patchMap, versionedObj)
if err != nil {
return err
}
// TODO: This should be one-step conversion that doesn't require
// json marshaling and unmarshaling once #39017 is fixed.
data, err := json.Marshal(patchedObjMap)
if err != nil {
return err
}
return runtime.DecodeInto(codec, data, objToUpdate)
}
func NewInit(cfgPath string, cfg *kubeadmapi.MasterConfiguration, skipPreFlight bool) (*Init, error) {
fmt.Println("[kubeadm] WARNING: kubeadm is in alpha, please do not use it for production clusters.")
if cfgPath != "" {
b, err := ioutil.ReadFile(cfgPath)
if err != nil {
return nil, fmt.Errorf("unable to read config from %q [%v]", cfgPath, err)
}
if err := runtime.DecodeInto(api.Codecs.UniversalDecoder(), b, cfg); err != nil {
return nil, fmt.Errorf("unable to decode config from %q [%v]", cfgPath, err)
}
}
// Set defaults dynamically that the API group defaulting can't (by fetching information from the internet, looking up network interfaces, etc.)
err := setInitDynamicDefaults(cfg)
if err != nil {
return nil, err
}
if !skipPreFlight {
fmt.Println("[preflight] Running pre-flight checks")
// First, check if we're root separately from the other preflight checks and fail fast
if err := preflight.RunRootCheckOnly(); err != nil {
return nil, err
}
// Then continue with the others...
if err := preflight.RunInitMasterChecks(cfg); err != nil {
return nil, err
}
} else {
fmt.Println("[preflight] Skipping pre-flight checks")
}
// Try to start the kubelet service in case it's inactive
preflight.TryStartKubelet()
return &Init{cfg: cfg}, nil
}
func TestCreateFromEmptyConfig(t *testing.T) {
var configData []byte
var policy schedulerapi.Policy
handler := utiltesting.FakeHandler{
StatusCode: 500,
ResponseBody: "",
T: t,
}
server := httptest.NewServer(&handler)
defer server.Close()
client := clientset.NewForConfigOrDie(&restclient.Config{Host: server.URL, ContentConfig: restclient.ContentConfig{GroupVersion: &api.Registry.GroupOrDie(v1.GroupName).GroupVersion}})
factory := NewConfigFactory(client, v1.DefaultSchedulerName, v1.DefaultHardPodAffinitySymmetricWeight, v1.DefaultFailureDomains)
configData = []byte(`{}`)
if err := runtime.DecodeInto(latestschedulerapi.Codec, configData, &policy); err != nil {
t.Errorf("Invalid configuration: %v", err)
}
factory.CreateFromConfig(policy)
}
// Test configures a scheduler from a policies defined in a file
// It combines some configurable predicate/priorities with some pre-defined ones
func TestCreateFromConfig(t *testing.T) {
var configData []byte
var policy schedulerapi.Policy
handler := utiltesting.FakeHandler{
StatusCode: 500,
ResponseBody: "",
T: t,
}
server := httptest.NewServer(&handler)
defer server.Close()
client := clientset.NewForConfigOrDie(&restclient.Config{Host: server.URL, ContentConfig: restclient.ContentConfig{GroupVersion: &api.Registry.GroupOrDie(v1.GroupName).GroupVersion}})
factory := NewConfigFactory(client, v1.DefaultSchedulerName, v1.DefaultHardPodAffinitySymmetricWeight, v1.DefaultFailureDomains)
// Pre-register some predicate and priority functions
RegisterFitPredicate("PredicateOne", PredicateOne)
RegisterFitPredicate("PredicateTwo", PredicateTwo)
RegisterPriorityFunction("PriorityOne", PriorityOne, 1)
RegisterPriorityFunction("PriorityTwo", PriorityTwo, 1)
configData = []byte(`{
"kind" : "Policy",
"apiVersion" : "v1",
"predicates" : [
{"name" : "TestZoneAffinity", "argument" : {"serviceAffinity" : {"labels" : ["zone"]}}},
{"name" : "TestRequireZone", "argument" : {"labelsPresence" : {"labels" : ["zone"], "presence" : true}}},
{"name" : "PredicateOne"},
{"name" : "PredicateTwo"}
],
"priorities" : [
{"name" : "RackSpread", "weight" : 3, "argument" : {"serviceAntiAffinity" : {"label" : "rack"}}},
{"name" : "PriorityOne", "weight" : 2},
{"name" : "PriorityTwo", "weight" : 1} ]
}`)
if err := runtime.DecodeInto(latestschedulerapi.Codec, configData, &policy); err != nil {
t.Errorf("Invalid configuration: %v", err)
}
factory.CreateFromConfig(policy)
}
// patchObjectJSON patches the <originalObject> with <patchJS> and stores
// the result in <objToUpdate>.
// Currently it also returns the original and patched objects serialized to
// JSONs (this may not be needed once we can apply patches at the
// map[string]interface{} level).
func patchObjectJSON(
patchType types.PatchType,
codec runtime.Codec,
originalObject runtime.Object,
patchJS []byte,
objToUpdate runtime.Object,
versionedObj runtime.Object,
) (originalObjJS []byte, patchedObjJS []byte, retErr error) {
js, err := runtime.Encode(codec, originalObject)
if err != nil {
return nil, nil, err
}
originalObjJS = js
switch patchType {
case types.JSONPatchType:
patchObj, err := jsonpatch.DecodePatch(patchJS)
if err != nil {
return nil, nil, err
}
if patchedObjJS, err = patchObj.Apply(originalObjJS); err != nil {
return nil, nil, err
}
case types.MergePatchType:
if patchedObjJS, err = jsonpatch.MergePatch(originalObjJS, patchJS); err != nil {
return nil, nil, err
}
case types.StrategicMergePatchType:
if patchedObjJS, err = strategicpatch.StrategicMergePatch(originalObjJS, patchJS, versionedObj); err != nil {
return nil, nil, err
}
default:
// only here as a safety net - go-restful filters content-type
return nil, nil, fmt.Errorf("unknown Content-Type header for patch: %v", patchType)
}
if err := runtime.DecodeInto(codec, patchedObjJS, objToUpdate); err != nil {
return nil, nil, err
}
return
}
func TestConvertTypesWhenDefaultNamesMatch(t *testing.T) {
internalGV := schema.GroupVersion{Version: runtime.APIVersionInternal}
externalGV := schema.GroupVersion{Version: "v1"}
s := runtime.NewScheme()
// create two names internally, with TestType1 being preferred
s.AddKnownTypeWithName(internalGV.WithKind("TestType1"), &TestType1{})
s.AddKnownTypeWithName(internalGV.WithKind("OtherType1"), &TestType1{})
// create two names externally, with TestType1 being preferred
s.AddKnownTypeWithName(externalGV.WithKind("TestType1"), &ExternalTestType1{})
s.AddKnownTypeWithName(externalGV.WithKind("OtherType1"), &ExternalTestType1{})
ext := &ExternalTestType1{}
ext.APIVersion = "v1"
ext.ObjectKind = "OtherType1"
ext.A = "test"
data, err := json.Marshal(ext)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
expect := &TestType1{A: "test"}
codec := newCodecFactory(s, newSerializersForScheme(s, testMetaFactory{})).LegacyCodec(schema.GroupVersion{Version: "v1"})
obj, err := runtime.Decode(codec, data)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if !semantic.DeepEqual(expect, obj) {
t.Errorf("unexpected object: %#v", obj)
}
into := &TestType1{}
if err := runtime.DecodeInto(codec, data, into); err != nil {
t.Fatalf("unexpected error: %v", err)
}
if !semantic.DeepEqual(expect, into) {
t.Errorf("unexpected object: %#v", obj)
}
}
func BenchmarkDecodeIntoInternalCodec(b *testing.B) {
codec := testapi.Default.Codec()
items := benchmarkItems()
width := len(items)
encoded := make([][]byte, width)
for i := range items {
data, err := runtime.Encode(codec, &items[i])
if err != nil {
b.Fatal(err)
}
encoded[i] = data
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
obj := api.Pod{}
if err := runtime.DecodeInto(codec, encoded[i%width], &obj); err != nil {
b.Fatal(err)
}
}
b.StopTimer()
}
func BenchmarkReplicationControllerCopy(b *testing.B) {
data, err := ioutil.ReadFile("replication_controller_example.json")
if err != nil {
b.Fatalf("Unexpected error while reading file: %v", err)
}
var replicationController api.ReplicationController
if err := runtime.DecodeInto(testapi.Default.Codec(), data, &replicationController); err != nil {
b.Fatalf("Unexpected error decoding node: %v", err)
}
var result *api.ReplicationController
for i := 0; i < b.N; i++ {
obj, err := api.Scheme.DeepCopy(&replicationController)
if err != nil {
b.Fatalf("Unexpected error copying replication controller: %v", err)
}
result = obj.(*api.ReplicationController)
}
if !api.Semantic.DeepEqual(replicationController, *result) {
b.Fatalf("Incorrect copy: expected %v, got %v", replicationController, *result)
}
}
func BenchmarkNodeCopy(b *testing.B) {
data, err := ioutil.ReadFile("node_example.json")
if err != nil {
b.Fatalf("Unexpected error while reading file: %v", err)
}
var node api.Node
if err := runtime.DecodeInto(testapi.Default.Codec(), data, &node); err != nil {
b.Fatalf("Unexpected error decoding node: %v", err)
}
var result *api.Node
for i := 0; i < b.N; i++ {
obj, err := api.Scheme.DeepCopy(&node)
if err != nil {
b.Fatalf("Unexpected error copying node: %v", err)
}
result = obj.(*api.Node)
}
if !api.Semantic.DeepEqual(node, *result) {
b.Fatalf("Incorrect copy: expected %v, got %v", node, *result)
}
}
// The label kubernetesPodLabel is added a long time ago (#7421), it serialized the whole v1.Pod to a docker label.
// We want to remove this label because it serialized too much useless information. However kubelet may still work
// with old containers which only have this label for a long time until we completely deprecate the old label.
// Before that to ensure correctness we have to supply information with the old labels when newly added labels
// are not available.
// TODO(random-liu): Remove this function when we can completely remove label kubernetesPodLabel, probably after
// dropping support for v1.1.
func supplyContainerInfoWithOldLabel(labels map[string]string, containerInfo *labelledContainerInfo) {
// Get v1.Pod from old label
var pod *v1.Pod
data, found := labels[kubernetesPodLabel]
if !found {
// Don't report any error here, because it's normal that a container has no pod label, especially
// when we gradually deprecate the old label
return
}
pod = &v1.Pod{}
if err := runtime.DecodeInto(api.Codecs.UniversalDecoder(), []byte(data), pod); err != nil {
// If the pod label can't be parsed, we should report an error
logError(containerInfo, kubernetesPodLabel, err)
return
}
if containerInfo.PodDeletionGracePeriod == nil {
containerInfo.PodDeletionGracePeriod = pod.DeletionGracePeriodSeconds
}
if containerInfo.PodTerminationGracePeriod == nil {
containerInfo.PodTerminationGracePeriod = pod.Spec.TerminationGracePeriodSeconds
}
// Get v1.Container from v1.Pod
var container *v1.Container
for i := range pod.Spec.Containers {
if pod.Spec.Containers[i].Name == containerInfo.Name {
container = &pod.Spec.Containers[i]
break
}
}
if container == nil {
glog.Errorf("Unable to find container %q in pod %q", containerInfo.Name, format.Pod(pod))
return
}
if containerInfo.PreStopHandler == nil && container.Lifecycle != nil {
containerInfo.PreStopHandler = container.Lifecycle.PreStop
}
}