mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-11-04 04:08:16 +00:00
dfc19185f5
Allows POST to create a binding as a child. Also refactors internal and v1beta3 Binding to be more generic (so that other resources can support Bindings).
222 lines
7.9 KiB
Go
222 lines
7.9 KiB
Go
/*
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Copyright 2015 Google Inc. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package testing
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import (
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"fmt"
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"math/rand"
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"strconv"
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"testing"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api/resource"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/types"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
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"github.com/fsouza/go-dockerclient"
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"github.com/google/gofuzz"
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"speter.net/go/exp/math/dec/inf"
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)
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func fuzzOneOf(c fuzz.Continue, objs ...interface{}) {
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// Use a new fuzzer which cannot populate nil to ensure one obj will be set.
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f := fuzz.New().NilChance(0).NumElements(1, 1)
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i := c.RandUint64() % uint64(len(objs))
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f.Fuzz(objs[i])
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}
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// FuzzerFor can randomly populate api objects that are destined for version.
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func FuzzerFor(t *testing.T, version string, src rand.Source) *fuzz.Fuzzer {
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f := fuzz.New().NilChance(.5).NumElements(1, 1)
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if src != nil {
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f.RandSource(src)
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}
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f.Funcs(
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func(j *runtime.PluginBase, c fuzz.Continue) {
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// Do nothing; this struct has only a Kind field and it must stay blank in memory.
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},
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func(j *runtime.TypeMeta, c fuzz.Continue) {
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// We have to customize the randomization of TypeMetas because their
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// APIVersion and Kind must remain blank in memory.
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j.APIVersion = ""
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j.Kind = ""
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},
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func(j *api.TypeMeta, c fuzz.Continue) {
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// We have to customize the randomization of TypeMetas because their
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// APIVersion and Kind must remain blank in memory.
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j.APIVersion = ""
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j.Kind = ""
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},
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func(j *api.ObjectMeta, c fuzz.Continue) {
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j.Name = c.RandString()
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j.ResourceVersion = strconv.FormatUint(c.RandUint64(), 10)
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j.SelfLink = c.RandString()
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j.UID = types.UID(c.RandString())
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j.GenerateName = c.RandString()
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var sec, nsec int64
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c.Fuzz(&sec)
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c.Fuzz(&nsec)
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j.CreationTimestamp = util.Unix(sec, nsec).Rfc3339Copy()
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},
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func(j *api.ObjectReference, c fuzz.Continue) {
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// We have to customize the randomization of TypeMetas because their
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// APIVersion and Kind must remain blank in memory.
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j.APIVersion = c.RandString()
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j.Kind = c.RandString()
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j.Namespace = c.RandString()
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j.Name = c.RandString()
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j.ResourceVersion = strconv.FormatUint(c.RandUint64(), 10)
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j.FieldPath = c.RandString()
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},
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func(j *api.ListMeta, c fuzz.Continue) {
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j.ResourceVersion = strconv.FormatUint(c.RandUint64(), 10)
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j.SelfLink = c.RandString()
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},
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func(j *api.PodPhase, c fuzz.Continue) {
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statuses := []api.PodPhase{api.PodPending, api.PodRunning, api.PodFailed, api.PodUnknown}
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*j = statuses[c.Rand.Intn(len(statuses))]
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},
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func(j *api.PodTemplateSpec, c fuzz.Continue) {
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// TODO: v1beta1/2 can't round trip a nil template correctly, fix by having v1beta1/2
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// conversion compare converted object to nil via DeepEqual
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j.ObjectMeta = api.ObjectMeta{}
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c.Fuzz(&j.ObjectMeta)
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j.ObjectMeta = api.ObjectMeta{Labels: j.ObjectMeta.Labels}
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j.Spec = api.PodSpec{}
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c.Fuzz(&j.Spec)
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},
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func(j *api.Binding, c fuzz.Continue) {
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c.Fuzz(&j.ObjectMeta)
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j.Target.Name = c.RandString()
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},
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func(j *api.ReplicationControllerSpec, c fuzz.Continue) {
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c.FuzzNoCustom(j) // fuzz self without calling this function again
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j.TemplateRef = nil // this is required for round trip
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},
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func(j *api.ReplicationControllerStatus, c fuzz.Continue) {
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// only replicas round trips
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j.Replicas = int(c.RandUint64())
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},
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func(j *api.List, c fuzz.Continue) {
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c.FuzzNoCustom(j) // fuzz self without calling this function again
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if j.Items == nil {
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j.Items = []runtime.Object{}
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}
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},
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func(j *runtime.Object, c fuzz.Continue) {
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if c.RandBool() {
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*j = &runtime.Unknown{
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TypeMeta: runtime.TypeMeta{Kind: "Something", APIVersion: "unknown"},
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RawJSON: []byte(`{"apiVersion":"unknown","kind":"Something","someKey":"someValue"}`),
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}
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} else {
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types := []runtime.Object{&api.Pod{}, &api.ReplicationController{}}
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t := types[c.Rand.Intn(len(types))]
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c.Fuzz(t)
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*j = t
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}
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},
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func(pb map[docker.Port][]docker.PortBinding, c fuzz.Continue) {
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// This is necessary because keys with nil values get omitted.
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// TODO: Is this a bug?
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pb[docker.Port(c.RandString())] = []docker.PortBinding{
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{c.RandString(), c.RandString()},
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{c.RandString(), c.RandString()},
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}
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},
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func(pm map[string]docker.PortMapping, c fuzz.Continue) {
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// This is necessary because keys with nil values get omitted.
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// TODO: Is this a bug?
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pm[c.RandString()] = docker.PortMapping{
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c.RandString(): c.RandString(),
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}
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},
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func(q *resource.Quantity, c fuzz.Continue) {
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// Real Quantity fuzz testing is done elsewhere;
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// this limited subset of functionality survives
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// round-tripping to v1beta1/2.
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q.Amount = &inf.Dec{}
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q.Format = resource.DecimalExponent
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//q.Amount.SetScale(inf.Scale(-c.Intn(12)))
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q.Amount.SetUnscaled(c.Int63n(1000))
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},
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func(p *api.PullPolicy, c fuzz.Continue) {
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policies := []api.PullPolicy{api.PullAlways, api.PullNever, api.PullIfNotPresent}
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*p = policies[c.Rand.Intn(len(policies))]
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},
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func(rp *api.RestartPolicy, c fuzz.Continue) {
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// Exactly one of the fields should be set.
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fuzzOneOf(c, &rp.Always, &rp.OnFailure, &rp.Never)
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},
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func(vs *api.VolumeSource, c fuzz.Continue) {
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// Exactly one of the fields should be set.
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//FIXME: the fuzz can still end up nil. What if fuzz allowed me to say that?
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fuzzOneOf(c, &vs.HostPath, &vs.EmptyDir, &vs.GCEPersistentDisk, &vs.GitRepo, &vs.Secret)
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},
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func(d *api.DNSPolicy, c fuzz.Continue) {
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policies := []api.DNSPolicy{api.DNSClusterFirst, api.DNSDefault}
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*d = policies[c.Rand.Intn(len(policies))]
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},
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func(p *api.Protocol, c fuzz.Continue) {
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protocols := []api.Protocol{api.ProtocolTCP, api.ProtocolUDP}
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*p = protocols[c.Rand.Intn(len(protocols))]
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},
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func(p *api.AffinityType, c fuzz.Continue) {
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types := []api.AffinityType{api.AffinityTypeClientIP, api.AffinityTypeNone}
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*p = types[c.Rand.Intn(len(types))]
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},
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func(ct *api.Container, c fuzz.Continue) {
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c.FuzzNoCustom(ct) // fuzz self without calling this function again
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ct.TerminationMessagePath = "/" + ct.TerminationMessagePath // Must be non-empty
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},
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func(e *api.Event, c fuzz.Continue) {
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c.FuzzNoCustom(e) // fuzz self without calling this function again
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// Fix event count to 1, otherwise, if a v1beta1 or v1beta2 event has a count set arbitrarily, it's count is ignored
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if e.FirstTimestamp.IsZero() {
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e.Count = 1
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} else {
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c.Fuzz(&e.Count)
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}
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},
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func(s *api.Secret, c fuzz.Continue) {
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c.FuzzNoCustom(s) // fuzz self without calling this function again
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s.Type = api.SecretTypeOpaque
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},
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func(ep *api.Endpoint, c fuzz.Continue) {
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// TODO: If our API used a particular type for IP fields we could just catch that here.
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ep.IP = fmt.Sprintf("%d.%d.%d.%d", c.Rand.Intn(256), c.Rand.Intn(256), c.Rand.Intn(256), c.Rand.Intn(256))
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ep.Port = c.Rand.Intn(65536)
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},
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func(http *api.HTTPGetAction, c fuzz.Continue) {
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c.FuzzNoCustom(http) // fuzz self without calling this function again
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http.Path = "/" + http.Path // can't be blank
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},
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func(ss *api.ServiceSpec, c fuzz.Continue) {
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c.FuzzNoCustom(ss) // fuzz self without calling this function again
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switch ss.ContainerPort.Kind {
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case util.IntstrInt:
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ss.ContainerPort.IntVal = 1 + ss.ContainerPort.IntVal%65535 // non-zero
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case util.IntstrString:
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ss.ContainerPort.StrVal = "x" + ss.ContainerPort.StrVal // non-empty
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}
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},
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)
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return f
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}
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