mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-11-03 19:58:17 +00:00
302 lines
9.0 KiB
Go
302 lines
9.0 KiB
Go
/*
|
|
Copyright 2014 Google Inc. All rights reserved.
|
|
|
|
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 api_test
|
|
|
|
import (
|
|
"encoding/json"
|
|
"flag"
|
|
"math/rand"
|
|
"reflect"
|
|
"strconv"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
|
|
"github.com/GoogleCloudPlatform/kubernetes/pkg/api/latest"
|
|
"github.com/GoogleCloudPlatform/kubernetes/pkg/api/meta"
|
|
"github.com/GoogleCloudPlatform/kubernetes/pkg/api/v1beta1"
|
|
"github.com/GoogleCloudPlatform/kubernetes/pkg/api/v1beta2"
|
|
"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
|
|
"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
|
|
docker "github.com/fsouza/go-dockerclient"
|
|
fuzz "github.com/google/gofuzz"
|
|
)
|
|
|
|
var fuzzIters = flag.Int("fuzz_iters", 40, "How many fuzzing iterations to do.")
|
|
|
|
// apiObjectFuzzer can randomly populate api objects.
|
|
var apiObjectFuzzer = fuzz.New().NilChance(.5).NumElements(1, 1).Funcs(
|
|
func(j *runtime.PluginBase, c fuzz.Continue) {
|
|
// Do nothing; this struct has only a Kind field and it must stay blank in memory.
|
|
},
|
|
func(j *runtime.TypeMeta, c fuzz.Continue) {
|
|
// We have to customize the randomization of TypeMetas because their
|
|
// APIVersion and Kind must remain blank in memory.
|
|
j.APIVersion = ""
|
|
j.Kind = ""
|
|
|
|
j.Name = c.RandString()
|
|
j.ResourceVersion = strconv.FormatUint(c.RandUint64(), 10)
|
|
j.SelfLink = c.RandString()
|
|
|
|
var sec, nsec int64
|
|
c.Fuzz(&sec)
|
|
c.Fuzz(&nsec)
|
|
j.CreationTimestamp = util.Unix(sec, nsec).Rfc3339Copy()
|
|
},
|
|
func(j *api.TypeMeta, c fuzz.Continue) {
|
|
// We have to customize the randomization of TypeMetas because their
|
|
// APIVersion and Kind must remain blank in memory.
|
|
j.APIVersion = ""
|
|
j.Kind = ""
|
|
},
|
|
func(j *api.ObjectMeta, c fuzz.Continue) {
|
|
j.Name = c.RandString()
|
|
j.ResourceVersion = strconv.FormatUint(c.RandUint64(), 10)
|
|
j.SelfLink = c.RandString()
|
|
|
|
var sec, nsec int64
|
|
c.Fuzz(&sec)
|
|
c.Fuzz(&nsec)
|
|
j.CreationTimestamp = util.Unix(sec, nsec).Rfc3339Copy()
|
|
},
|
|
func(j *api.ListMeta, c fuzz.Continue) {
|
|
j.ResourceVersion = strconv.FormatUint(c.RandUint64(), 10)
|
|
j.SelfLink = c.RandString()
|
|
},
|
|
func(j *api.PodPhase, c fuzz.Continue) {
|
|
statuses := []api.PodPhase{api.PodPending, api.PodRunning, api.PodFailed}
|
|
*j = statuses[c.Rand.Intn(len(statuses))]
|
|
},
|
|
func(j *api.ReplicationControllerSpec, c fuzz.Continue) {
|
|
// TemplateRef must be nil for round trip
|
|
c.Fuzz(&j.Template)
|
|
if j.Template == nil {
|
|
// TODO: v1beta1/2 can't round trip a nil template correctly, fix by having v1beta1/2
|
|
// conversion compare converted object to nil via DeepEqual
|
|
j.Template = &api.PodTemplateSpec{}
|
|
}
|
|
j.Template.ObjectMeta = api.ObjectMeta{Labels: j.Template.ObjectMeta.Labels}
|
|
j.Template.Spec.NodeSelector = nil
|
|
c.Fuzz(&j.Selector)
|
|
j.Replicas = int(c.RandUint64())
|
|
},
|
|
func(j *api.ReplicationControllerStatus, c fuzz.Continue) {
|
|
// only replicas round trips
|
|
j.Replicas = int(c.RandUint64())
|
|
},
|
|
func(intstr *util.IntOrString, c fuzz.Continue) {
|
|
// util.IntOrString will panic if its kind is set wrong.
|
|
if c.RandBool() {
|
|
intstr.Kind = util.IntstrInt
|
|
intstr.IntVal = int(c.RandUint64())
|
|
intstr.StrVal = ""
|
|
} else {
|
|
intstr.Kind = util.IntstrString
|
|
intstr.IntVal = 0
|
|
intstr.StrVal = c.RandString()
|
|
}
|
|
},
|
|
func(pb map[docker.Port][]docker.PortBinding, c fuzz.Continue) {
|
|
// This is necessary because keys with nil values get omitted.
|
|
// TODO: Is this a bug?
|
|
pb[docker.Port(c.RandString())] = []docker.PortBinding{
|
|
{c.RandString(), c.RandString()},
|
|
{c.RandString(), c.RandString()},
|
|
}
|
|
},
|
|
func(pm map[string]docker.PortMapping, c fuzz.Continue) {
|
|
// This is necessary because keys with nil values get omitted.
|
|
// TODO: Is this a bug?
|
|
pm[c.RandString()] = docker.PortMapping{
|
|
c.RandString(): c.RandString(),
|
|
}
|
|
},
|
|
func(t *time.Time, c fuzz.Continue) {
|
|
// This is necessary because the standard fuzzed time.Time object is
|
|
// completely nil, but when JSON unmarshals dates it fills in the
|
|
// unexported loc field with the time.UTC object, resulting in
|
|
// reflect.DeepEqual returning false in the round trip tests. We solve it
|
|
// by using a date that will be identical to the one JSON unmarshals.
|
|
*t = time.Date(2000, 1, 1, 1, 1, 1, 0, time.UTC)
|
|
},
|
|
)
|
|
|
|
func runTest(t *testing.T, codec runtime.Codec, source runtime.Object) {
|
|
name := reflect.TypeOf(source).Elem().Name()
|
|
apiObjectFuzzer.Fuzz(source)
|
|
j, err := meta.Accessor(source)
|
|
if err != nil {
|
|
t.Fatalf("Unexpected error %v for %#v", err, source)
|
|
}
|
|
j.SetKind("")
|
|
j.SetAPIVersion("")
|
|
|
|
data, err := codec.Encode(source)
|
|
if err != nil {
|
|
t.Errorf("%v: %v (%#v)", name, err, source)
|
|
return
|
|
}
|
|
|
|
obj2, err := codec.Decode(data)
|
|
if err != nil {
|
|
t.Errorf("%v: %v", name, err)
|
|
return
|
|
}
|
|
if !reflect.DeepEqual(source, obj2) {
|
|
t.Errorf("1: %v: diff: %v\nCodec: %v\nData: %s\nSource: %#v", name, util.ObjectGoPrintDiff(source, obj2), codec, string(data), source)
|
|
return
|
|
}
|
|
|
|
obj3 := reflect.New(reflect.TypeOf(source).Elem()).Interface().(runtime.Object)
|
|
err = codec.DecodeInto(data, obj3)
|
|
if err != nil {
|
|
t.Errorf("2: %v: %v", name, err)
|
|
return
|
|
}
|
|
if !reflect.DeepEqual(source, obj3) {
|
|
t.Errorf("3: %v: diff: %v\nCodec: %v", name, util.ObjectDiff(source, obj3), codec)
|
|
return
|
|
}
|
|
}
|
|
|
|
// For debugging problems
|
|
func TestSpecificKind(t *testing.T) {
|
|
api.Scheme.Log(t)
|
|
kind := "PodList"
|
|
item, err := api.Scheme.New("", kind)
|
|
if err != nil {
|
|
t.Errorf("Couldn't make a %v? %v", kind, err)
|
|
return
|
|
}
|
|
runTest(t, v1beta1.Codec, item)
|
|
runTest(t, v1beta2.Codec, item)
|
|
api.Scheme.Log(nil)
|
|
}
|
|
|
|
var nonRoundTrippableTypes = util.NewStringSet("ContainerManifest")
|
|
|
|
func TestRoundTripTypes(t *testing.T) {
|
|
for kind := range api.Scheme.KnownTypes("") {
|
|
if nonRoundTrippableTypes.Has(kind) {
|
|
continue
|
|
}
|
|
// Try a few times, since runTest uses random values.
|
|
for i := 0; i < *fuzzIters; i++ {
|
|
item, err := api.Scheme.New("", kind)
|
|
if err != nil {
|
|
t.Fatalf("Couldn't make a %v? %v", kind, err)
|
|
}
|
|
if _, err := meta.Accessor(item); err != nil {
|
|
t.Fatalf("%q is not a TypeMeta and cannot be tested - add it to nonRoundTrippableTypes: %v", kind, err)
|
|
}
|
|
runTest(t, v1beta1.Codec, item)
|
|
runTest(t, v1beta2.Codec, item)
|
|
runTest(t, api.Codec, item)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestEncode_Ptr(t *testing.T) {
|
|
pod := &api.Pod{
|
|
ObjectMeta: api.ObjectMeta{
|
|
Labels: map[string]string{"name": "foo"},
|
|
},
|
|
}
|
|
obj := runtime.Object(pod)
|
|
data, err := latest.Codec.Encode(obj)
|
|
obj2, err2 := latest.Codec.Decode(data)
|
|
if err != nil || err2 != nil {
|
|
t.Fatalf("Failure: '%v' '%v'", err, err2)
|
|
}
|
|
if _, ok := obj2.(*api.Pod); !ok {
|
|
t.Fatalf("Got wrong type")
|
|
}
|
|
if !reflect.DeepEqual(obj2, pod) {
|
|
t.Errorf("Expected:\n %#v,\n Got:\n %#v", &pod, obj2)
|
|
}
|
|
}
|
|
|
|
func TestBadJSONRejection(t *testing.T) {
|
|
badJSONMissingKind := []byte(`{ }`)
|
|
if _, err := latest.Codec.Decode(badJSONMissingKind); err == nil {
|
|
t.Errorf("Did not reject despite lack of kind field: %s", badJSONMissingKind)
|
|
}
|
|
badJSONUnknownType := []byte(`{"kind": "bar"}`)
|
|
if _, err1 := latest.Codec.Decode(badJSONUnknownType); err1 == nil {
|
|
t.Errorf("Did not reject despite use of unknown type: %s", badJSONUnknownType)
|
|
}
|
|
/*badJSONKindMismatch := []byte(`{"kind": "Pod"}`)
|
|
if err2 := DecodeInto(badJSONKindMismatch, &Minion{}); err2 == nil {
|
|
t.Errorf("Kind is set but doesn't match the object type: %s", badJSONKindMismatch)
|
|
}*/
|
|
}
|
|
|
|
const benchmarkSeed = 100
|
|
|
|
func BenchmarkEncode(b *testing.B) {
|
|
pod := api.Pod{}
|
|
apiObjectFuzzer.RandSource(rand.NewSource(benchmarkSeed))
|
|
apiObjectFuzzer.Fuzz(&pod)
|
|
for i := 0; i < b.N; i++ {
|
|
latest.Codec.Encode(&pod)
|
|
}
|
|
}
|
|
|
|
// BenchmarkEncodeJSON provides a baseline for regular JSON encode performance
|
|
func BenchmarkEncodeJSON(b *testing.B) {
|
|
pod := api.Pod{}
|
|
apiObjectFuzzer.RandSource(rand.NewSource(benchmarkSeed))
|
|
apiObjectFuzzer.Fuzz(&pod)
|
|
for i := 0; i < b.N; i++ {
|
|
json.Marshal(&pod)
|
|
}
|
|
}
|
|
|
|
func BenchmarkDecode(b *testing.B) {
|
|
pod := api.Pod{}
|
|
apiObjectFuzzer.RandSource(rand.NewSource(benchmarkSeed))
|
|
apiObjectFuzzer.Fuzz(&pod)
|
|
data, _ := latest.Codec.Encode(&pod)
|
|
for i := 0; i < b.N; i++ {
|
|
latest.Codec.Decode(data)
|
|
}
|
|
}
|
|
|
|
func BenchmarkDecodeInto(b *testing.B) {
|
|
pod := api.Pod{}
|
|
apiObjectFuzzer.RandSource(rand.NewSource(benchmarkSeed))
|
|
apiObjectFuzzer.Fuzz(&pod)
|
|
data, _ := latest.Codec.Encode(&pod)
|
|
for i := 0; i < b.N; i++ {
|
|
obj := api.Pod{}
|
|
latest.Codec.DecodeInto(data, &obj)
|
|
}
|
|
}
|
|
|
|
// BenchmarkDecodeJSON provides a baseline for regular JSON decode performance
|
|
func BenchmarkDecodeJSON(b *testing.B) {
|
|
pod := api.Pod{}
|
|
apiObjectFuzzer.RandSource(rand.NewSource(benchmarkSeed))
|
|
apiObjectFuzzer.Fuzz(&pod)
|
|
data, _ := latest.Codec.Encode(&pod)
|
|
for i := 0; i < b.N; i++ {
|
|
obj := api.Pod{}
|
|
json.Unmarshal(data, &obj)
|
|
}
|
|
}
|