func addDefaultingFuncs() {
api.Scheme.AddDefaultingFuncs(
func(obj *PodExecOptions) {
obj.Stdout = true
obj.Stderr = true
},
func(obj *PodAttachOptions) {
obj.Stdout = true
obj.Stderr = true
},
func(obj *ReplicationController) {
var labels map[string]string
if obj.Spec.Template != nil {
labels = obj.Spec.Template.Labels
}
// TODO: support templates defined elsewhere when we support them in the API
if labels != nil {
if len(obj.Spec.Selector) == 0 {
obj.Spec.Selector = labels
}
if len(obj.Labels) == 0 {
obj.Labels = labels
}
}
if obj.Spec.Replicas == nil {
obj.Spec.Replicas = new(int32)
*obj.Spec.Replicas = 1
}
},
func(obj *Volume) {
if util.AllPtrFieldsNil(&obj.VolumeSource) {
obj.VolumeSource = VolumeSource{
EmptyDir: &EmptyDirVolumeSource{},
}
}
},
func(obj *ContainerPort) {
if obj.Protocol == "" {
obj.Protocol = ProtocolTCP
}
},
func(obj *Container) {
if obj.ImagePullPolicy == "" {
// TODO(dchen1107): Move ParseImageName code to pkg/util
parts := strings.Split(obj.Image, ":")
// Check image tag
if parts[len(parts)-1] == "latest" {
obj.ImagePullPolicy = PullAlways
} else {
obj.ImagePullPolicy = PullIfNotPresent
}
}
if obj.TerminationMessagePath == "" {
obj.TerminationMessagePath = TerminationMessagePathDefault
}
},
func(obj *ServiceSpec) {
if obj.SessionAffinity == "" {
obj.SessionAffinity = ServiceAffinityNone
}
if obj.Type == "" {
obj.Type = ServiceTypeClusterIP
}
for i := range obj.Ports {
sp := &obj.Ports[i]
if sp.Protocol == "" {
sp.Protocol = ProtocolTCP
}
if sp.TargetPort == intstr.FromInt(0) || sp.TargetPort == intstr.FromString("") {
sp.TargetPort = intstr.FromInt(int(sp.Port))
}
}
},
func(obj *Pod) {
// If limits are specified, but requests are not, default requests to limits
// This is done here rather than a more specific defaulting pass on ResourceRequirements
// because we only want this defaulting semantic to take place on a Pod and not a PodTemplate
for i := range obj.Spec.Containers {
// set requests to limits if requests are not specified, but limits are
if obj.Spec.Containers[i].Resources.Limits != nil {
if obj.Spec.Containers[i].Resources.Requests == nil {
obj.Spec.Containers[i].Resources.Requests = make(ResourceList)
}
for key, value := range obj.Spec.Containers[i].Resources.Limits {
if _, exists := obj.Spec.Containers[i].Resources.Requests[key]; !exists {
obj.Spec.Containers[i].Resources.Requests[key] = *(value.Copy())
}
}
}
}
},
func(obj *PodSpec) {
if obj.DNSPolicy == "" {
obj.DNSPolicy = DNSClusterFirst
}
if obj.RestartPolicy == "" {
obj.RestartPolicy = RestartPolicyAlways
}
if obj.HostNetwork {
defaultHostNetworkPorts(&obj.Containers)
}
if obj.SecurityContext == nil {
obj.SecurityContext = &PodSecurityContext{}
}
if obj.TerminationGracePeriodSeconds == nil {
period := int64(DefaultTerminationGracePeriodSeconds)
obj.TerminationGracePeriodSeconds = &period
}
},
func(obj *Probe) {
if obj.TimeoutSeconds == 0 {
obj.TimeoutSeconds = 1
}
if obj.PeriodSeconds == 0 {
obj.PeriodSeconds = 10
}
if obj.SuccessThreshold == 0 {
obj.SuccessThreshold = 1
}
if obj.FailureThreshold == 0 {
obj.FailureThreshold = 3
}
},
func(obj *Secret) {
if obj.Type == "" {
obj.Type = SecretTypeOpaque
}
},
func(obj *PersistentVolume) {
if obj.Status.Phase == "" {
obj.Status.Phase = VolumePending
}
if obj.Spec.PersistentVolumeReclaimPolicy == "" {
obj.Spec.PersistentVolumeReclaimPolicy = PersistentVolumeReclaimRetain
}
},
func(obj *PersistentVolumeClaim) {
if obj.Status.Phase == "" {
obj.Status.Phase = ClaimPending
}
},
func(obj *Endpoints) {
for i := range obj.Subsets {
ss := &obj.Subsets[i]
for i := range ss.Ports {
ep := &ss.Ports[i]
if ep.Protocol == "" {
ep.Protocol = ProtocolTCP
}
}
}
},
func(obj *HTTPGetAction) {
if obj.Path == "" {
obj.Path = "/"
}
if obj.Scheme == "" {
obj.Scheme = URISchemeHTTP
}
},
func(obj *NamespaceStatus) {
if obj.Phase == "" {
obj.Phase = NamespaceActive
}
},
func(obj *Node) {
if obj.Spec.ExternalID == "" {
obj.Spec.ExternalID = obj.Name
}
},
func(obj *ObjectFieldSelector) {
if obj.APIVersion == "" {
obj.APIVersion = "v1"
}
},
func(obj *LimitRangeItem) {
// for container limits, we apply default values
if obj.Type == LimitTypeContainer {
if obj.Default == nil {
obj.Default = make(ResourceList)
}
if obj.DefaultRequest == nil {
obj.DefaultRequest = make(ResourceList)
}
// If a default limit is unspecified, but the max is specified, default the limit to the max
for key, value := range obj.Max {
if _, exists := obj.Default[key]; !exists {
obj.Default[key] = *(value.Copy())
}
}
// If a default limit is specified, but the default request is not, default request to limit
for key, value := range obj.Default {
if _, exists := obj.DefaultRequest[key]; !exists {
obj.DefaultRequest[key] = *(value.Copy())
}
}
// If a default request is not specified, but the min is provided, default request to the min
for key, value := range obj.Min {
if _, exists := obj.DefaultRequest[key]; !exists {
obj.DefaultRequest[key] = *(value.Copy())
}
}
}
},
)
}
// FuzzerFor can randomly populate api objects that are destined for version.
func FuzzerFor(t *testing.T, version string, src rand.Source) *fuzz.Fuzzer {
f := fuzz.New().NilChance(.5).NumElements(1, 1)
if src != nil {
f.RandSource(src)
}
f.Funcs(
func(j *int, c fuzz.Continue) {
*j = int(c.Int31())
},
func(j **int, c fuzz.Continue) {
if c.RandBool() {
i := int(c.Int31())
*j = &i
} else {
*j = nil
}
},
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 = ""
},
func(j *unversioned.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()
j.UID = types.UID(c.RandString())
j.GenerateName = c.RandString()
var sec, nsec int64
c.Fuzz(&sec)
c.Fuzz(&nsec)
j.CreationTimestamp = unversioned.Unix(sec, nsec).Rfc3339Copy()
},
func(j *api.ObjectReference, c fuzz.Continue) {
// We have to customize the randomization of TypeMetas because their
// APIVersion and Kind must remain blank in memory.
j.APIVersion = c.RandString()
j.Kind = c.RandString()
j.Namespace = c.RandString()
j.Name = c.RandString()
j.ResourceVersion = strconv.FormatUint(c.RandUint64(), 10)
j.FieldPath = c.RandString()
},
func(j *unversioned.ListMeta, c fuzz.Continue) {
j.ResourceVersion = strconv.FormatUint(c.RandUint64(), 10)
j.SelfLink = c.RandString()
},
func(j *unversioned.ListOptions, c fuzz.Continue) {
// TODO: add some parsing
label, _ := labels.Parse("a=b")
j.LabelSelector = unversioned.LabelSelector{label}
field, _ := fields.ParseSelector("a=b")
j.FieldSelector = unversioned.FieldSelector{field}
},
func(j *api.PodExecOptions, c fuzz.Continue) {
j.Stdout = true
j.Stderr = true
},
func(j *api.PodAttachOptions, c fuzz.Continue) {
j.Stdout = true
j.Stderr = true
},
func(s *api.PodSpec, c fuzz.Continue) {
c.FuzzNoCustom(s)
// has a default value
ttl := int64(30)
if c.RandBool() {
ttl = int64(c.Uint32())
}
s.TerminationGracePeriodSeconds = &ttl
c.Fuzz(s.SecurityContext)
if s.SecurityContext == nil {
s.SecurityContext = new(api.PodSecurityContext)
}
},
func(j *api.PodPhase, c fuzz.Continue) {
statuses := []api.PodPhase{api.PodPending, api.PodRunning, api.PodFailed, api.PodUnknown}
*j = statuses[c.Rand.Intn(len(statuses))]
},
func(j *api.Binding, c fuzz.Continue) {
c.Fuzz(&j.ObjectMeta)
j.Target.Name = c.RandString()
},
func(j *api.ReplicationControllerSpec, c fuzz.Continue) {
c.FuzzNoCustom(j) // fuzz self without calling this function again
//j.TemplateRef = nil // this is required for round trip
},
func(j *extensions.DeploymentStrategy, c fuzz.Continue) {
c.FuzzNoCustom(j) // fuzz self without calling this function again
// Ensure that strategyType is one of valid values.
strategyTypes := []extensions.DeploymentStrategyType{extensions.RecreateDeploymentStrategyType, extensions.RollingUpdateDeploymentStrategyType}
j.Type = strategyTypes[c.Rand.Intn(len(strategyTypes))]
if j.Type != extensions.RollingUpdateDeploymentStrategyType {
j.RollingUpdate = nil
} else {
rollingUpdate := extensions.RollingUpdateDeployment{}
if c.RandBool() {
rollingUpdate.MaxUnavailable = intstr.FromInt(int(c.RandUint64()))
rollingUpdate.MaxSurge = intstr.FromInt(int(c.RandUint64()))
} else {
rollingUpdate.MaxSurge = intstr.FromString(fmt.Sprintf("%d%%", c.RandUint64()))
}
j.RollingUpdate = &rollingUpdate
}
},
func(j *extensions.JobSpec, c fuzz.Continue) {
c.FuzzNoCustom(j) // fuzz self without calling this function again
completions := int(c.Rand.Int31())
parallelism := int(c.Rand.Int31())
j.Completions = &completions
j.Parallelism = ¶llelism
},
func(j *api.List, c fuzz.Continue) {
c.FuzzNoCustom(j) // fuzz self without calling this function again
// TODO: uncomment when round trip starts from a versioned object
if false { //j.Items == nil {
j.Items = []runtime.Object{}
}
},
func(j *runtime.Object, c fuzz.Continue) {
// TODO: uncomment when round trip starts from a versioned object
if true { //c.RandBool() {
*j = &runtime.Unknown{
TypeMeta: runtime.TypeMeta{Kind: "Something", APIVersion: "unknown"},
RawJSON: []byte(`{"apiVersion":"unknown","kind":"Something","someKey":"someValue"}`),
}
} else {
types := []runtime.Object{&api.Pod{}, &api.ReplicationController{}}
t := types[c.Rand.Intn(len(types))]
c.Fuzz(t)
*j = t
}
},
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(q *api.ResourceRequirements, c fuzz.Continue) {
randomQuantity := func() resource.Quantity {
return *resource.NewQuantity(c.Int63n(1000), resource.DecimalExponent)
}
q.Limits = make(api.ResourceList)
q.Requests = make(api.ResourceList)
cpuLimit := randomQuantity()
q.Limits[api.ResourceCPU] = *cpuLimit.Copy()
q.Requests[api.ResourceCPU] = *cpuLimit.Copy()
memoryLimit := randomQuantity()
q.Limits[api.ResourceMemory] = *memoryLimit.Copy()
q.Requests[api.ResourceMemory] = *memoryLimit.Copy()
storageLimit := randomQuantity()
q.Limits[api.ResourceStorage] = *storageLimit.Copy()
q.Requests[api.ResourceStorage] = *storageLimit.Copy()
},
func(q *api.LimitRangeItem, c fuzz.Continue) {
randomQuantity := func() resource.Quantity {
return *resource.NewQuantity(c.Int63n(1000), resource.DecimalExponent)
}
cpuLimit := randomQuantity()
q.Type = api.LimitTypeContainer
q.Default = make(api.ResourceList)
q.Default[api.ResourceCPU] = *(cpuLimit.Copy())
q.DefaultRequest = make(api.ResourceList)
q.DefaultRequest[api.ResourceCPU] = *(cpuLimit.Copy())
q.Max = make(api.ResourceList)
q.Max[api.ResourceCPU] = *(cpuLimit.Copy())
q.Min = make(api.ResourceList)
q.Min[api.ResourceCPU] = *(cpuLimit.Copy())
q.MaxLimitRequestRatio = make(api.ResourceList)
q.MaxLimitRequestRatio[api.ResourceCPU] = resource.MustParse("10")
},
func(p *api.PullPolicy, c fuzz.Continue) {
policies := []api.PullPolicy{api.PullAlways, api.PullNever, api.PullIfNotPresent}
*p = policies[c.Rand.Intn(len(policies))]
},
func(rp *api.RestartPolicy, c fuzz.Continue) {
policies := []api.RestartPolicy{api.RestartPolicyAlways, api.RestartPolicyNever, api.RestartPolicyOnFailure}
*rp = policies[c.Rand.Intn(len(policies))]
},
// Only api.DownwardAPIVolumeFile needs to have a specific func since FieldRef has to be
// defaulted to a version otherwise roundtrip will fail
// For the remaining volume plugins the default fuzzer is enough.
func(m *api.DownwardAPIVolumeFile, c fuzz.Continue) {
m.Path = c.RandString()
versions := []string{"v1"}
m.FieldRef.APIVersion = versions[c.Rand.Intn(len(versions))]
m.FieldRef.FieldPath = c.RandString()
},
func(vs *api.VolumeSource, c fuzz.Continue) {
// Exactly one of the fields must be set.
v := reflect.ValueOf(vs).Elem()
i := int(c.RandUint64() % uint64(v.NumField()))
t := v.Field(i).Addr()
for v.Field(i).IsNil() {
c.Fuzz(t.Interface())
}
},
func(d *api.DNSPolicy, c fuzz.Continue) {
policies := []api.DNSPolicy{api.DNSClusterFirst, api.DNSDefault}
*d = policies[c.Rand.Intn(len(policies))]
},
func(p *api.Protocol, c fuzz.Continue) {
protocols := []api.Protocol{api.ProtocolTCP, api.ProtocolUDP}
*p = protocols[c.Rand.Intn(len(protocols))]
},
func(p *api.ServiceAffinity, c fuzz.Continue) {
types := []api.ServiceAffinity{api.ServiceAffinityClientIP, api.ServiceAffinityNone}
*p = types[c.Rand.Intn(len(types))]
},
func(p *api.ServiceType, c fuzz.Continue) {
types := []api.ServiceType{api.ServiceTypeClusterIP, api.ServiceTypeNodePort, api.ServiceTypeLoadBalancer}
*p = types[c.Rand.Intn(len(types))]
},
func(ct *api.Container, c fuzz.Continue) {
c.FuzzNoCustom(ct) // fuzz self without calling this function again
ct.TerminationMessagePath = "/" + ct.TerminationMessagePath // Must be non-empty
},
func(p *api.Probe, c fuzz.Continue) {
c.FuzzNoCustom(p)
// These fields have default values.
intFieldsWithDefaults := [...]string{"TimeoutSeconds", "PeriodSeconds", "SuccessThreshold", "FailureThreshold"}
v := reflect.ValueOf(p).Elem()
for _, field := range intFieldsWithDefaults {
f := v.FieldByName(field)
if f.Int() == 0 {
f.SetInt(1)
}
}
},
func(ev *api.EnvVar, c fuzz.Continue) {
ev.Name = c.RandString()
if c.RandBool() {
ev.Value = c.RandString()
} else {
ev.ValueFrom = &api.EnvVarSource{}
ev.ValueFrom.FieldRef = &api.ObjectFieldSelector{}
versions := registered.RegisteredGroupVersions
ev.ValueFrom.FieldRef.APIVersion = versions[c.Rand.Intn(len(versions))].String()
ev.ValueFrom.FieldRef.FieldPath = c.RandString()
}
},
func(sc *api.SecurityContext, c fuzz.Continue) {
c.FuzzNoCustom(sc) // fuzz self without calling this function again
if c.RandBool() {
priv := c.RandBool()
sc.Privileged = &priv
}
if c.RandBool() {
sc.Capabilities = &api.Capabilities{
Add: make([]api.Capability, 0),
Drop: make([]api.Capability, 0),
}
c.Fuzz(&sc.Capabilities.Add)
c.Fuzz(&sc.Capabilities.Drop)
}
},
func(s *api.Secret, c fuzz.Continue) {
c.FuzzNoCustom(s) // fuzz self without calling this function again
s.Type = api.SecretTypeOpaque
},
func(pv *api.PersistentVolume, c fuzz.Continue) {
c.FuzzNoCustom(pv) // fuzz self without calling this function again
types := []api.PersistentVolumePhase{api.VolumeAvailable, api.VolumePending, api.VolumeBound, api.VolumeReleased, api.VolumeFailed}
pv.Status.Phase = types[c.Rand.Intn(len(types))]
pv.Status.Message = c.RandString()
reclamationPolicies := []api.PersistentVolumeReclaimPolicy{api.PersistentVolumeReclaimRecycle, api.PersistentVolumeReclaimRetain}
pv.Spec.PersistentVolumeReclaimPolicy = reclamationPolicies[c.Rand.Intn(len(reclamationPolicies))]
},
func(pvc *api.PersistentVolumeClaim, c fuzz.Continue) {
c.FuzzNoCustom(pvc) // fuzz self without calling this function again
types := []api.PersistentVolumeClaimPhase{api.ClaimBound, api.ClaimPending}
pvc.Status.Phase = types[c.Rand.Intn(len(types))]
},
func(s *api.NamespaceSpec, c fuzz.Continue) {
s.Finalizers = []api.FinalizerName{api.FinalizerKubernetes}
},
func(s *api.NamespaceStatus, c fuzz.Continue) {
s.Phase = api.NamespaceActive
},
func(http *api.HTTPGetAction, c fuzz.Continue) {
c.FuzzNoCustom(http) // fuzz self without calling this function again
http.Path = "/" + http.Path // can't be blank
http.Scheme = "x" + http.Scheme // can't be blank
},
func(ss *api.ServiceSpec, c fuzz.Continue) {
c.FuzzNoCustom(ss) // fuzz self without calling this function again
if len(ss.Ports) == 0 {
// There must be at least 1 port.
ss.Ports = append(ss.Ports, api.ServicePort{})
c.Fuzz(&ss.Ports[0])
}
for i := range ss.Ports {
switch ss.Ports[i].TargetPort.Type {
case intstr.Int:
ss.Ports[i].TargetPort.IntVal = 1 + ss.Ports[i].TargetPort.IntVal%65535 // non-zero
case intstr.String:
ss.Ports[i].TargetPort.StrVal = "x" + ss.Ports[i].TargetPort.StrVal // non-empty
}
}
},
func(n *api.Node, c fuzz.Continue) {
c.FuzzNoCustom(n)
n.Spec.ExternalID = "external"
},
func(s *extensions.APIVersion, c fuzz.Continue) {
// We can't use c.RandString() here because it may generate empty
// string, which will cause tests failure.
s.APIGroup = "something"
},
func(s *extensions.HorizontalPodAutoscalerSpec, c fuzz.Continue) {
c.FuzzNoCustom(s) // fuzz self without calling this function again
minReplicas := int(c.Rand.Int31())
s.MinReplicas = &minReplicas
s.CPUUtilization = &extensions.CPUTargetUtilization{TargetPercentage: int(int32(c.RandUint64()))}
},
)
return f
}