func addDefaultingFuncs(scheme *runtime.Scheme) {
scheme.AddDefaultingFuncs(
func(obj *APIVersion) {
if len(obj.APIGroup) == 0 {
obj.APIGroup = GroupName
}
},
func(obj *DaemonSet) {
labels := obj.Spec.Template.Labels
// TODO: support templates defined elsewhere when we support them in the API
if labels != nil {
if obj.Spec.Selector == nil {
obj.Spec.Selector = &LabelSelector{
MatchLabels: labels,
}
}
if len(obj.Labels) == 0 {
obj.Labels = labels
}
}
updateStrategy := &obj.Spec.UpdateStrategy
if updateStrategy.Type == "" {
updateStrategy.Type = RollingUpdateDaemonSetStrategyType
}
if updateStrategy.Type == RollingUpdateDaemonSetStrategyType {
if updateStrategy.RollingUpdate == nil {
rollingUpdate := RollingUpdateDaemonSet{}
updateStrategy.RollingUpdate = &rollingUpdate
}
if updateStrategy.RollingUpdate.MaxUnavailable == nil {
// Set default MaxUnavailable as 1 by default.
maxUnavailable := intstr.FromInt(1)
updateStrategy.RollingUpdate.MaxUnavailable = &maxUnavailable
}
}
if obj.Spec.UniqueLabelKey == nil {
obj.Spec.UniqueLabelKey = new(string)
*obj.Spec.UniqueLabelKey = DefaultDaemonSetUniqueLabelKey
}
},
func(obj *Deployment) {
// Default labels and selector to labels from pod template spec.
labels := obj.Spec.Template.Labels
if labels != nil {
if len(obj.Spec.Selector) == 0 {
obj.Spec.Selector = labels
}
if len(obj.Labels) == 0 {
obj.Labels = labels
}
}
// Set DeploymentSpec.Replicas to 1 if it is not set.
if obj.Spec.Replicas == nil {
obj.Spec.Replicas = new(int32)
*obj.Spec.Replicas = 1
}
strategy := &obj.Spec.Strategy
// Set default DeploymentStrategyType as RollingUpdate.
if strategy.Type == "" {
strategy.Type = RollingUpdateDeploymentStrategyType
}
if strategy.Type == RollingUpdateDeploymentStrategyType {
if strategy.RollingUpdate == nil {
rollingUpdate := RollingUpdateDeployment{}
strategy.RollingUpdate = &rollingUpdate
}
if strategy.RollingUpdate.MaxUnavailable == nil {
// Set default MaxUnavailable as 1 by default.
maxUnavailable := intstr.FromInt(1)
strategy.RollingUpdate.MaxUnavailable = &maxUnavailable
}
if strategy.RollingUpdate.MaxSurge == nil {
// Set default MaxSurge as 1 by default.
maxSurge := intstr.FromInt(1)
strategy.RollingUpdate.MaxSurge = &maxSurge
}
}
if obj.Spec.UniqueLabelKey == nil {
obj.Spec.UniqueLabelKey = new(string)
*obj.Spec.UniqueLabelKey = DefaultDeploymentUniqueLabelKey
}
},
func(obj *Job) {
labels := obj.Spec.Template.Labels
// TODO: support templates defined elsewhere when we support them in the API
if labels != nil {
if obj.Spec.Selector == nil {
obj.Spec.Selector = &LabelSelector{
MatchLabels: labels,
}
}
if len(obj.Labels) == 0 {
obj.Labels = labels
}
}
// For a non-parallel job, you can leave both `.spec.completions` and
// `.spec.parallelism` unset. When both are unset, both are defaulted to 1.
if obj.Spec.Completions == nil && obj.Spec.Parallelism == nil {
obj.Spec.Completions = new(int32)
*obj.Spec.Completions = 1
obj.Spec.Parallelism = new(int32)
*obj.Spec.Parallelism = 1
}
if obj.Spec.Parallelism == nil {
obj.Spec.Parallelism = new(int32)
*obj.Spec.Parallelism = 1
}
},
func(obj *HorizontalPodAutoscaler) {
if obj.Spec.MinReplicas == nil {
minReplicas := int32(1)
obj.Spec.MinReplicas = &minReplicas
}
if obj.Spec.CPUUtilization == nil {
obj.Spec.CPUUtilization = &CPUTargetUtilization{TargetPercentage: 80}
}
},
func(obj *ReplicaSet) {
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 obj.Spec.Selector == nil {
obj.Spec.Selector = &LabelSelector{
MatchLabels: labels,
}
}
if len(obj.Labels) == 0 {
obj.Labels = labels
}
}
if obj.Spec.Replicas == nil {
obj.Spec.Replicas = new(int32)
*obj.Spec.Replicas = 1
}
},
)
}
func addDefaultingFuncs(scheme *runtime.Scheme) {
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 == "" {
_, tag := parsers.ParseImageName(obj.Image)
// Check image tag
if tag == "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 *ISCSIVolumeSource) {
if obj.ISCSIInterface == "" {
obj.ISCSIInterface = "default"
}
},
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 *NodeStatus) {
if obj.Allocatable == nil && obj.Capacity != nil {
obj.Allocatable = make(ResourceList, len(obj.Capacity))
for key, value := range obj.Capacity {
obj.Allocatable[key] = *(value.Copy())
}
obj.Allocatable = obj.Capacity
}
},
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())
}
}
}
},
func(obj *ConfigMap) {
if obj.Data == nil {
obj.Data = make(map[string]string)
}
},
)
}
func addDefaultingFuncs(scheme *runtime.Scheme) {
scheme.AddDefaultingFuncs()
}