Move extensions validation to apps

pull/58/head
Jordan Liggitt 2018-10-19 12:46:53 -04:00
parent 4e980bbf08
commit 283e282515
4 changed files with 2454 additions and 2459 deletions

View File

@ -18,12 +18,15 @@ package validation
import ( import (
"fmt" "fmt"
"strconv"
apiequality "k8s.io/apimachinery/pkg/api/equality" apiequality "k8s.io/apimachinery/pkg/api/equality"
apimachineryvalidation "k8s.io/apimachinery/pkg/api/validation" apimachineryvalidation "k8s.io/apimachinery/pkg/api/validation"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
unversionedvalidation "k8s.io/apimachinery/pkg/apis/meta/v1/validation" unversionedvalidation "k8s.io/apimachinery/pkg/apis/meta/v1/validation"
"k8s.io/apimachinery/pkg/labels" "k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/apimachinery/pkg/util/validation"
"k8s.io/apimachinery/pkg/util/validation/field" "k8s.io/apimachinery/pkg/util/validation/field"
"k8s.io/kubernetes/pkg/apis/apps" "k8s.io/kubernetes/pkg/apis/apps"
api "k8s.io/kubernetes/pkg/apis/core" api "k8s.io/kubernetes/pkg/apis/core"
@ -236,3 +239,433 @@ func ValidateControllerRevisionUpdate(newHistory, oldHistory *apps.ControllerRev
errs = append(errs, apivalidation.ValidateImmutableField(newHistory.Data, oldHistory.Data, field.NewPath("data"))...) errs = append(errs, apivalidation.ValidateImmutableField(newHistory.Data, oldHistory.Data, field.NewPath("data"))...)
return errs return errs
} }
// ValidateDaemonSet tests if required fields in the DaemonSet are set.
func ValidateDaemonSet(ds *apps.DaemonSet) field.ErrorList {
allErrs := apivalidation.ValidateObjectMeta(&ds.ObjectMeta, true, ValidateDaemonSetName, field.NewPath("metadata"))
allErrs = append(allErrs, ValidateDaemonSetSpec(&ds.Spec, field.NewPath("spec"))...)
return allErrs
}
// ValidateDaemonSetUpdate tests if required fields in the DaemonSet are set.
func ValidateDaemonSetUpdate(ds, oldDS *apps.DaemonSet) field.ErrorList {
allErrs := apivalidation.ValidateObjectMetaUpdate(&ds.ObjectMeta, &oldDS.ObjectMeta, field.NewPath("metadata"))
allErrs = append(allErrs, ValidateDaemonSetSpecUpdate(&ds.Spec, &oldDS.Spec, field.NewPath("spec"))...)
allErrs = append(allErrs, ValidateDaemonSetSpec(&ds.Spec, field.NewPath("spec"))...)
return allErrs
}
func ValidateDaemonSetSpecUpdate(newSpec, oldSpec *apps.DaemonSetSpec, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
// TemplateGeneration shouldn't be decremented
if newSpec.TemplateGeneration < oldSpec.TemplateGeneration {
allErrs = append(allErrs, field.Invalid(fldPath.Child("templateGeneration"), newSpec.TemplateGeneration, "must not be decremented"))
}
// TemplateGeneration should be increased when and only when template is changed
templateUpdated := !apiequality.Semantic.DeepEqual(newSpec.Template, oldSpec.Template)
if newSpec.TemplateGeneration == oldSpec.TemplateGeneration && templateUpdated {
allErrs = append(allErrs, field.Invalid(fldPath.Child("templateGeneration"), newSpec.TemplateGeneration, "must be incremented upon template update"))
} else if newSpec.TemplateGeneration > oldSpec.TemplateGeneration && !templateUpdated {
allErrs = append(allErrs, field.Invalid(fldPath.Child("templateGeneration"), newSpec.TemplateGeneration, "must not be incremented without template update"))
}
return allErrs
}
// validateDaemonSetStatus validates a DaemonSetStatus
func validateDaemonSetStatus(status *apps.DaemonSetStatus, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.CurrentNumberScheduled), fldPath.Child("currentNumberScheduled"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.NumberMisscheduled), fldPath.Child("numberMisscheduled"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.DesiredNumberScheduled), fldPath.Child("desiredNumberScheduled"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.NumberReady), fldPath.Child("numberReady"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(status.ObservedGeneration, fldPath.Child("observedGeneration"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.UpdatedNumberScheduled), fldPath.Child("updatedNumberScheduled"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.NumberAvailable), fldPath.Child("numberAvailable"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.NumberUnavailable), fldPath.Child("numberUnavailable"))...)
if status.CollisionCount != nil {
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*status.CollisionCount), fldPath.Child("collisionCount"))...)
}
return allErrs
}
// ValidateDaemonSetStatus validates tests if required fields in the DaemonSet Status section
func ValidateDaemonSetStatusUpdate(ds, oldDS *apps.DaemonSet) field.ErrorList {
allErrs := apivalidation.ValidateObjectMetaUpdate(&ds.ObjectMeta, &oldDS.ObjectMeta, field.NewPath("metadata"))
allErrs = append(allErrs, validateDaemonSetStatus(&ds.Status, field.NewPath("status"))...)
if apivalidation.IsDecremented(ds.Status.CollisionCount, oldDS.Status.CollisionCount) {
value := int32(0)
if ds.Status.CollisionCount != nil {
value = *ds.Status.CollisionCount
}
allErrs = append(allErrs, field.Invalid(field.NewPath("status").Child("collisionCount"), value, "cannot be decremented"))
}
return allErrs
}
// ValidateDaemonSetSpec tests if required fields in the DaemonSetSpec are set.
func ValidateDaemonSetSpec(spec *apps.DaemonSetSpec, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(spec.Selector, fldPath.Child("selector"))...)
selector, err := metav1.LabelSelectorAsSelector(spec.Selector)
if err == nil && !selector.Matches(labels.Set(spec.Template.Labels)) {
allErrs = append(allErrs, field.Invalid(fldPath.Child("template", "metadata", "labels"), spec.Template.Labels, "`selector` does not match template `labels`"))
}
if spec.Selector != nil && len(spec.Selector.MatchLabels)+len(spec.Selector.MatchExpressions) == 0 {
allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "empty selector is invalid for daemonset"))
}
allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpec(&spec.Template, fldPath.Child("template"))...)
// Daemons typically run on more than one node, so mark Read-Write persistent disks as invalid.
allErrs = append(allErrs, apivalidation.ValidateReadOnlyPersistentDisks(spec.Template.Spec.Volumes, fldPath.Child("template", "spec", "volumes"))...)
// RestartPolicy has already been first-order validated as per ValidatePodTemplateSpec().
if spec.Template.Spec.RestartPolicy != api.RestartPolicyAlways {
allErrs = append(allErrs, field.NotSupported(fldPath.Child("template", "spec", "restartPolicy"), spec.Template.Spec.RestartPolicy, []string{string(api.RestartPolicyAlways)}))
}
if spec.Template.Spec.ActiveDeadlineSeconds != nil {
allErrs = append(allErrs, field.Invalid(fldPath.Child("template", "spec", "activeDeadlineSeconds"), spec.Template.Spec.ActiveDeadlineSeconds, "must not be specified"))
}
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.MinReadySeconds), fldPath.Child("minReadySeconds"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.TemplateGeneration), fldPath.Child("templateGeneration"))...)
allErrs = append(allErrs, ValidateDaemonSetUpdateStrategy(&spec.UpdateStrategy, fldPath.Child("updateStrategy"))...)
if spec.RevisionHistoryLimit != nil {
// zero is a valid RevisionHistoryLimit
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*spec.RevisionHistoryLimit), fldPath.Child("revisionHistoryLimit"))...)
}
return allErrs
}
func ValidateRollingUpdateDaemonSet(rollingUpdate *apps.RollingUpdateDaemonSet, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxUnavailable, fldPath.Child("maxUnavailable"))...)
if getIntOrPercentValue(rollingUpdate.MaxUnavailable) == 0 {
// MaxUnavailable cannot be 0.
allErrs = append(allErrs, field.Invalid(fldPath.Child("maxUnavailable"), rollingUpdate.MaxUnavailable, "cannot be 0"))
}
// Validate that MaxUnavailable is not more than 100%.
allErrs = append(allErrs, IsNotMoreThan100Percent(rollingUpdate.MaxUnavailable, fldPath.Child("maxUnavailable"))...)
return allErrs
}
func ValidateDaemonSetUpdateStrategy(strategy *apps.DaemonSetUpdateStrategy, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
switch strategy.Type {
case apps.OnDeleteDaemonSetStrategyType:
case apps.RollingUpdateDaemonSetStrategyType:
// Make sure RollingUpdate field isn't nil.
if strategy.RollingUpdate == nil {
allErrs = append(allErrs, field.Required(fldPath.Child("rollingUpdate"), ""))
return allErrs
}
allErrs = append(allErrs, ValidateRollingUpdateDaemonSet(strategy.RollingUpdate, fldPath.Child("rollingUpdate"))...)
default:
validValues := []string{string(apps.RollingUpdateDaemonSetStrategyType), string(apps.OnDeleteDaemonSetStrategyType)}
allErrs = append(allErrs, field.NotSupported(fldPath, strategy, validValues))
}
return allErrs
}
// ValidateDaemonSetName can be used to check whether the given daemon set name is valid.
// Prefix indicates this name will be used as part of generation, in which case
// trailing dashes are allowed.
var ValidateDaemonSetName = apimachineryvalidation.NameIsDNSSubdomain
// Validates that the given name can be used as a deployment name.
var ValidateDeploymentName = apimachineryvalidation.NameIsDNSSubdomain
func ValidatePositiveIntOrPercent(intOrPercent intstr.IntOrString, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
switch intOrPercent.Type {
case intstr.String:
for _, msg := range validation.IsValidPercent(intOrPercent.StrVal) {
allErrs = append(allErrs, field.Invalid(fldPath, intOrPercent, msg))
}
case intstr.Int:
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(intOrPercent.IntValue()), fldPath)...)
default:
allErrs = append(allErrs, field.Invalid(fldPath, intOrPercent, "must be an integer or percentage (e.g '5%%')"))
}
return allErrs
}
func getPercentValue(intOrStringValue intstr.IntOrString) (int, bool) {
if intOrStringValue.Type != intstr.String {
return 0, false
}
if len(validation.IsValidPercent(intOrStringValue.StrVal)) != 0 {
return 0, false
}
value, _ := strconv.Atoi(intOrStringValue.StrVal[:len(intOrStringValue.StrVal)-1])
return value, true
}
func getIntOrPercentValue(intOrStringValue intstr.IntOrString) int {
value, isPercent := getPercentValue(intOrStringValue)
if isPercent {
return value
}
return intOrStringValue.IntValue()
}
func IsNotMoreThan100Percent(intOrStringValue intstr.IntOrString, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
value, isPercent := getPercentValue(intOrStringValue)
if !isPercent || value <= 100 {
return nil
}
allErrs = append(allErrs, field.Invalid(fldPath, intOrStringValue, "must not be greater than 100%"))
return allErrs
}
func ValidateRollingUpdateDeployment(rollingUpdate *apps.RollingUpdateDeployment, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxUnavailable, fldPath.Child("maxUnavailable"))...)
allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxSurge, fldPath.Child("maxSurge"))...)
if getIntOrPercentValue(rollingUpdate.MaxUnavailable) == 0 && getIntOrPercentValue(rollingUpdate.MaxSurge) == 0 {
// Both MaxSurge and MaxUnavailable cannot be zero.
allErrs = append(allErrs, field.Invalid(fldPath.Child("maxUnavailable"), rollingUpdate.MaxUnavailable, "may not be 0 when `maxSurge` is 0"))
}
// Validate that MaxUnavailable is not more than 100%.
allErrs = append(allErrs, IsNotMoreThan100Percent(rollingUpdate.MaxUnavailable, fldPath.Child("maxUnavailable"))...)
return allErrs
}
func ValidateDeploymentStrategy(strategy *apps.DeploymentStrategy, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
switch strategy.Type {
case apps.RecreateDeploymentStrategyType:
if strategy.RollingUpdate != nil {
allErrs = append(allErrs, field.Forbidden(fldPath.Child("rollingUpdate"), "may not be specified when strategy `type` is '"+string(apps.RecreateDeploymentStrategyType+"'")))
}
case apps.RollingUpdateDeploymentStrategyType:
// This should never happen since it's set and checked in defaults.go
if strategy.RollingUpdate == nil {
allErrs = append(allErrs, field.Required(fldPath.Child("rollingUpdate"), "this should be defaulted and never be nil"))
} else {
allErrs = append(allErrs, ValidateRollingUpdateDeployment(strategy.RollingUpdate, fldPath.Child("rollingUpdate"))...)
}
default:
validValues := []string{string(apps.RecreateDeploymentStrategyType), string(apps.RollingUpdateDeploymentStrategyType)}
allErrs = append(allErrs, field.NotSupported(fldPath, strategy, validValues))
}
return allErrs
}
func ValidateRollback(rollback *apps.RollbackConfig, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
v := rollback.Revision
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(v), fldPath.Child("version"))...)
return allErrs
}
// Validates given deployment spec.
func ValidateDeploymentSpec(spec *apps.DeploymentSpec, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.Replicas), fldPath.Child("replicas"))...)
if spec.Selector == nil {
allErrs = append(allErrs, field.Required(fldPath.Child("selector"), ""))
} else {
allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(spec.Selector, fldPath.Child("selector"))...)
if len(spec.Selector.MatchLabels)+len(spec.Selector.MatchExpressions) == 0 {
allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "empty selector is invalid for deployment"))
}
}
selector, err := metav1.LabelSelectorAsSelector(spec.Selector)
if err != nil {
allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "invalid label selector"))
} else {
allErrs = append(allErrs, ValidatePodTemplateSpecForReplicaSet(&spec.Template, selector, spec.Replicas, fldPath.Child("template"))...)
}
allErrs = append(allErrs, ValidateDeploymentStrategy(&spec.Strategy, fldPath.Child("strategy"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.MinReadySeconds), fldPath.Child("minReadySeconds"))...)
if spec.RevisionHistoryLimit != nil {
// zero is a valid RevisionHistoryLimit
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*spec.RevisionHistoryLimit), fldPath.Child("revisionHistoryLimit"))...)
}
if spec.RollbackTo != nil {
allErrs = append(allErrs, ValidateRollback(spec.RollbackTo, fldPath.Child("rollback"))...)
}
if spec.ProgressDeadlineSeconds != nil {
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*spec.ProgressDeadlineSeconds), fldPath.Child("progressDeadlineSeconds"))...)
if *spec.ProgressDeadlineSeconds <= spec.MinReadySeconds {
allErrs = append(allErrs, field.Invalid(fldPath.Child("progressDeadlineSeconds"), spec.ProgressDeadlineSeconds, "must be greater than minReadySeconds"))
}
}
return allErrs
}
// Validates given deployment status.
func ValidateDeploymentStatus(status *apps.DeploymentStatus, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(status.ObservedGeneration, fldPath.Child("observedGeneration"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.Replicas), fldPath.Child("replicas"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.UpdatedReplicas), fldPath.Child("updatedReplicas"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.ReadyReplicas), fldPath.Child("readyReplicas"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.AvailableReplicas), fldPath.Child("availableReplicas"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.UnavailableReplicas), fldPath.Child("unavailableReplicas"))...)
if status.CollisionCount != nil {
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*status.CollisionCount), fldPath.Child("collisionCount"))...)
}
msg := "cannot be greater than status.replicas"
if status.UpdatedReplicas > status.Replicas {
allErrs = append(allErrs, field.Invalid(fldPath.Child("updatedReplicas"), status.UpdatedReplicas, msg))
}
if status.ReadyReplicas > status.Replicas {
allErrs = append(allErrs, field.Invalid(fldPath.Child("readyReplicas"), status.ReadyReplicas, msg))
}
if status.AvailableReplicas > status.Replicas {
allErrs = append(allErrs, field.Invalid(fldPath.Child("availableReplicas"), status.AvailableReplicas, msg))
}
if status.AvailableReplicas > status.ReadyReplicas {
allErrs = append(allErrs, field.Invalid(fldPath.Child("availableReplicas"), status.AvailableReplicas, "cannot be greater than readyReplicas"))
}
return allErrs
}
func ValidateDeploymentUpdate(update, old *apps.Deployment) field.ErrorList {
allErrs := apivalidation.ValidateObjectMetaUpdate(&update.ObjectMeta, &old.ObjectMeta, field.NewPath("metadata"))
allErrs = append(allErrs, ValidateDeploymentSpec(&update.Spec, field.NewPath("spec"))...)
return allErrs
}
func ValidateDeploymentStatusUpdate(update, old *apps.Deployment) field.ErrorList {
allErrs := apivalidation.ValidateObjectMetaUpdate(&update.ObjectMeta, &old.ObjectMeta, field.NewPath("metadata"))
fldPath := field.NewPath("status")
allErrs = append(allErrs, ValidateDeploymentStatus(&update.Status, fldPath)...)
if apivalidation.IsDecremented(update.Status.CollisionCount, old.Status.CollisionCount) {
value := int32(0)
if update.Status.CollisionCount != nil {
value = *update.Status.CollisionCount
}
allErrs = append(allErrs, field.Invalid(fldPath.Child("collisionCount"), value, "cannot be decremented"))
}
return allErrs
}
func ValidateDeployment(obj *apps.Deployment) field.ErrorList {
allErrs := apivalidation.ValidateObjectMeta(&obj.ObjectMeta, true, ValidateDeploymentName, field.NewPath("metadata"))
allErrs = append(allErrs, ValidateDeploymentSpec(&obj.Spec, field.NewPath("spec"))...)
return allErrs
}
func ValidateDeploymentRollback(obj *apps.DeploymentRollback) field.ErrorList {
allErrs := apivalidation.ValidateAnnotations(obj.UpdatedAnnotations, field.NewPath("updatedAnnotations"))
if len(obj.Name) == 0 {
allErrs = append(allErrs, field.Required(field.NewPath("name"), "name is required"))
}
allErrs = append(allErrs, ValidateRollback(&obj.RollbackTo, field.NewPath("rollback"))...)
return allErrs
}
// ValidateReplicaSetName can be used to check whether the given ReplicaSet
// name is valid.
// Prefix indicates this name will be used as part of generation, in which case
// trailing dashes are allowed.
var ValidateReplicaSetName = apimachineryvalidation.NameIsDNSSubdomain
// ValidateReplicaSet tests if required fields in the ReplicaSet are set.
func ValidateReplicaSet(rs *apps.ReplicaSet) field.ErrorList {
allErrs := apivalidation.ValidateObjectMeta(&rs.ObjectMeta, true, ValidateReplicaSetName, field.NewPath("metadata"))
allErrs = append(allErrs, ValidateReplicaSetSpec(&rs.Spec, field.NewPath("spec"))...)
return allErrs
}
// ValidateReplicaSetUpdate tests if required fields in the ReplicaSet are set.
func ValidateReplicaSetUpdate(rs, oldRs *apps.ReplicaSet) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&rs.ObjectMeta, &oldRs.ObjectMeta, field.NewPath("metadata"))...)
allErrs = append(allErrs, ValidateReplicaSetSpec(&rs.Spec, field.NewPath("spec"))...)
return allErrs
}
// ValidateReplicaSetStatusUpdate tests if required fields in the ReplicaSet are set.
func ValidateReplicaSetStatusUpdate(rs, oldRs *apps.ReplicaSet) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&rs.ObjectMeta, &oldRs.ObjectMeta, field.NewPath("metadata"))...)
allErrs = append(allErrs, ValidateReplicaSetStatus(rs.Status, field.NewPath("status"))...)
return allErrs
}
func ValidateReplicaSetStatus(status apps.ReplicaSetStatus, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.Replicas), fldPath.Child("replicas"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.FullyLabeledReplicas), fldPath.Child("fullyLabeledReplicas"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.ReadyReplicas), fldPath.Child("readyReplicas"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.AvailableReplicas), fldPath.Child("availableReplicas"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.ObservedGeneration), fldPath.Child("observedGeneration"))...)
msg := "cannot be greater than status.replicas"
if status.FullyLabeledReplicas > status.Replicas {
allErrs = append(allErrs, field.Invalid(fldPath.Child("fullyLabeledReplicas"), status.FullyLabeledReplicas, msg))
}
if status.ReadyReplicas > status.Replicas {
allErrs = append(allErrs, field.Invalid(fldPath.Child("readyReplicas"), status.ReadyReplicas, msg))
}
if status.AvailableReplicas > status.Replicas {
allErrs = append(allErrs, field.Invalid(fldPath.Child("availableReplicas"), status.AvailableReplicas, msg))
}
if status.AvailableReplicas > status.ReadyReplicas {
allErrs = append(allErrs, field.Invalid(fldPath.Child("availableReplicas"), status.AvailableReplicas, "cannot be greater than readyReplicas"))
}
return allErrs
}
// ValidateReplicaSetSpec tests if required fields in the ReplicaSet spec are set.
func ValidateReplicaSetSpec(spec *apps.ReplicaSetSpec, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.Replicas), fldPath.Child("replicas"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.MinReadySeconds), fldPath.Child("minReadySeconds"))...)
if spec.Selector == nil {
allErrs = append(allErrs, field.Required(fldPath.Child("selector"), ""))
} else {
allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(spec.Selector, fldPath.Child("selector"))...)
if len(spec.Selector.MatchLabels)+len(spec.Selector.MatchExpressions) == 0 {
allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "empty selector is invalid for deployment"))
}
}
selector, err := metav1.LabelSelectorAsSelector(spec.Selector)
if err != nil {
allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "invalid label selector"))
} else {
allErrs = append(allErrs, ValidatePodTemplateSpecForReplicaSet(&spec.Template, selector, spec.Replicas, fldPath.Child("template"))...)
}
return allErrs
}
// Validates the given template and ensures that it is in accordance with the desired selector and replicas.
func ValidatePodTemplateSpecForReplicaSet(template *api.PodTemplateSpec, selector labels.Selector, replicas int32, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
if template == nil {
allErrs = append(allErrs, field.Required(fldPath, ""))
} else {
if !selector.Empty() {
// Verify that the ReplicaSet selector matches the labels in template.
labels := labels.Set(template.Labels)
if !selector.Matches(labels) {
allErrs = append(allErrs, field.Invalid(fldPath.Child("metadata", "labels"), template.Labels, "`selector` does not match template `labels`"))
}
}
allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpec(template, fldPath)...)
if replicas > 1 {
allErrs = append(allErrs, apivalidation.ValidateReadOnlyPersistentDisks(template.Spec.Volumes, fldPath.Child("spec", "volumes"))...)
}
// RestartPolicy has already been first-order validated as per ValidatePodTemplateSpec().
if template.Spec.RestartPolicy != api.RestartPolicyAlways {
allErrs = append(allErrs, field.NotSupported(fldPath.Child("spec", "restartPolicy"), template.Spec.RestartPolicy, []string{string(api.RestartPolicyAlways)}))
}
if template.Spec.ActiveDeadlineSeconds != nil {
allErrs = append(allErrs, field.Invalid(fldPath.Child("spec", "activeDeadlineSeconds"), template.Spec.ActiveDeadlineSeconds, "must not be specified"))
}
}
return allErrs
}

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@ -19,347 +19,15 @@ package validation
import ( import (
"net" "net"
"regexp" "regexp"
"strconv"
"strings" "strings"
apiequality "k8s.io/apimachinery/pkg/api/equality"
apimachineryvalidation "k8s.io/apimachinery/pkg/api/validation" apimachineryvalidation "k8s.io/apimachinery/pkg/api/validation"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
unversionedvalidation "k8s.io/apimachinery/pkg/apis/meta/v1/validation"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/apimachinery/pkg/util/validation" "k8s.io/apimachinery/pkg/util/validation"
"k8s.io/apimachinery/pkg/util/validation/field" "k8s.io/apimachinery/pkg/util/validation/field"
api "k8s.io/kubernetes/pkg/apis/core"
apivalidation "k8s.io/kubernetes/pkg/apis/core/validation" apivalidation "k8s.io/kubernetes/pkg/apis/core/validation"
"k8s.io/kubernetes/pkg/apis/extensions" "k8s.io/kubernetes/pkg/apis/extensions"
) )
// ValidateDaemonSet tests if required fields in the DaemonSet are set.
func ValidateDaemonSet(ds *extensions.DaemonSet) field.ErrorList {
allErrs := apivalidation.ValidateObjectMeta(&ds.ObjectMeta, true, ValidateDaemonSetName, field.NewPath("metadata"))
allErrs = append(allErrs, ValidateDaemonSetSpec(&ds.Spec, field.NewPath("spec"))...)
return allErrs
}
// ValidateDaemonSetUpdate tests if required fields in the DaemonSet are set.
func ValidateDaemonSetUpdate(ds, oldDS *extensions.DaemonSet) field.ErrorList {
allErrs := apivalidation.ValidateObjectMetaUpdate(&ds.ObjectMeta, &oldDS.ObjectMeta, field.NewPath("metadata"))
allErrs = append(allErrs, ValidateDaemonSetSpecUpdate(&ds.Spec, &oldDS.Spec, field.NewPath("spec"))...)
allErrs = append(allErrs, ValidateDaemonSetSpec(&ds.Spec, field.NewPath("spec"))...)
return allErrs
}
func ValidateDaemonSetSpecUpdate(newSpec, oldSpec *extensions.DaemonSetSpec, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
// TemplateGeneration shouldn't be decremented
if newSpec.TemplateGeneration < oldSpec.TemplateGeneration {
allErrs = append(allErrs, field.Invalid(fldPath.Child("templateGeneration"), newSpec.TemplateGeneration, "must not be decremented"))
}
// TemplateGeneration should be increased when and only when template is changed
templateUpdated := !apiequality.Semantic.DeepEqual(newSpec.Template, oldSpec.Template)
if newSpec.TemplateGeneration == oldSpec.TemplateGeneration && templateUpdated {
allErrs = append(allErrs, field.Invalid(fldPath.Child("templateGeneration"), newSpec.TemplateGeneration, "must be incremented upon template update"))
} else if newSpec.TemplateGeneration > oldSpec.TemplateGeneration && !templateUpdated {
allErrs = append(allErrs, field.Invalid(fldPath.Child("templateGeneration"), newSpec.TemplateGeneration, "must not be incremented without template update"))
}
return allErrs
}
// validateDaemonSetStatus validates a DaemonSetStatus
func validateDaemonSetStatus(status *extensions.DaemonSetStatus, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.CurrentNumberScheduled), fldPath.Child("currentNumberScheduled"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.NumberMisscheduled), fldPath.Child("numberMisscheduled"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.DesiredNumberScheduled), fldPath.Child("desiredNumberScheduled"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.NumberReady), fldPath.Child("numberReady"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(status.ObservedGeneration, fldPath.Child("observedGeneration"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.UpdatedNumberScheduled), fldPath.Child("updatedNumberScheduled"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.NumberAvailable), fldPath.Child("numberAvailable"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.NumberUnavailable), fldPath.Child("numberUnavailable"))...)
if status.CollisionCount != nil {
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*status.CollisionCount), fldPath.Child("collisionCount"))...)
}
return allErrs
}
// ValidateDaemonSetStatus validates tests if required fields in the DaemonSet Status section
func ValidateDaemonSetStatusUpdate(ds, oldDS *extensions.DaemonSet) field.ErrorList {
allErrs := apivalidation.ValidateObjectMetaUpdate(&ds.ObjectMeta, &oldDS.ObjectMeta, field.NewPath("metadata"))
allErrs = append(allErrs, validateDaemonSetStatus(&ds.Status, field.NewPath("status"))...)
if apivalidation.IsDecremented(ds.Status.CollisionCount, oldDS.Status.CollisionCount) {
value := int32(0)
if ds.Status.CollisionCount != nil {
value = *ds.Status.CollisionCount
}
allErrs = append(allErrs, field.Invalid(field.NewPath("status").Child("collisionCount"), value, "cannot be decremented"))
}
return allErrs
}
// ValidateDaemonSetSpec tests if required fields in the DaemonSetSpec are set.
func ValidateDaemonSetSpec(spec *extensions.DaemonSetSpec, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(spec.Selector, fldPath.Child("selector"))...)
selector, err := metav1.LabelSelectorAsSelector(spec.Selector)
if err == nil && !selector.Matches(labels.Set(spec.Template.Labels)) {
allErrs = append(allErrs, field.Invalid(fldPath.Child("template", "metadata", "labels"), spec.Template.Labels, "`selector` does not match template `labels`"))
}
if spec.Selector != nil && len(spec.Selector.MatchLabels)+len(spec.Selector.MatchExpressions) == 0 {
allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "empty selector is invalid for daemonset"))
}
allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpec(&spec.Template, fldPath.Child("template"))...)
// Daemons typically run on more than one node, so mark Read-Write persistent disks as invalid.
allErrs = append(allErrs, apivalidation.ValidateReadOnlyPersistentDisks(spec.Template.Spec.Volumes, fldPath.Child("template", "spec", "volumes"))...)
// RestartPolicy has already been first-order validated as per ValidatePodTemplateSpec().
if spec.Template.Spec.RestartPolicy != api.RestartPolicyAlways {
allErrs = append(allErrs, field.NotSupported(fldPath.Child("template", "spec", "restartPolicy"), spec.Template.Spec.RestartPolicy, []string{string(api.RestartPolicyAlways)}))
}
if spec.Template.Spec.ActiveDeadlineSeconds != nil {
allErrs = append(allErrs, field.Invalid(fldPath.Child("template", "spec", "activeDeadlineSeconds"), spec.Template.Spec.ActiveDeadlineSeconds, "must not be specified"))
}
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.MinReadySeconds), fldPath.Child("minReadySeconds"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.TemplateGeneration), fldPath.Child("templateGeneration"))...)
allErrs = append(allErrs, ValidateDaemonSetUpdateStrategy(&spec.UpdateStrategy, fldPath.Child("updateStrategy"))...)
if spec.RevisionHistoryLimit != nil {
// zero is a valid RevisionHistoryLimit
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*spec.RevisionHistoryLimit), fldPath.Child("revisionHistoryLimit"))...)
}
return allErrs
}
func ValidateRollingUpdateDaemonSet(rollingUpdate *extensions.RollingUpdateDaemonSet, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxUnavailable, fldPath.Child("maxUnavailable"))...)
if getIntOrPercentValue(rollingUpdate.MaxUnavailable) == 0 {
// MaxUnavailable cannot be 0.
allErrs = append(allErrs, field.Invalid(fldPath.Child("maxUnavailable"), rollingUpdate.MaxUnavailable, "cannot be 0"))
}
// Validate that MaxUnavailable is not more than 100%.
allErrs = append(allErrs, IsNotMoreThan100Percent(rollingUpdate.MaxUnavailable, fldPath.Child("maxUnavailable"))...)
return allErrs
}
func ValidateDaemonSetUpdateStrategy(strategy *extensions.DaemonSetUpdateStrategy, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
switch strategy.Type {
case extensions.OnDeleteDaemonSetStrategyType:
case extensions.RollingUpdateDaemonSetStrategyType:
// Make sure RollingUpdate field isn't nil.
if strategy.RollingUpdate == nil {
allErrs = append(allErrs, field.Required(fldPath.Child("rollingUpdate"), ""))
return allErrs
}
allErrs = append(allErrs, ValidateRollingUpdateDaemonSet(strategy.RollingUpdate, fldPath.Child("rollingUpdate"))...)
default:
validValues := []string{string(extensions.RollingUpdateDaemonSetStrategyType), string(extensions.OnDeleteDaemonSetStrategyType)}
allErrs = append(allErrs, field.NotSupported(fldPath, strategy, validValues))
}
return allErrs
}
// ValidateDaemonSetName can be used to check whether the given daemon set name is valid.
// Prefix indicates this name will be used as part of generation, in which case
// trailing dashes are allowed.
var ValidateDaemonSetName = apimachineryvalidation.NameIsDNSSubdomain
// Validates that the given name can be used as a deployment name.
var ValidateDeploymentName = apimachineryvalidation.NameIsDNSSubdomain
func ValidatePositiveIntOrPercent(intOrPercent intstr.IntOrString, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
switch intOrPercent.Type {
case intstr.String:
for _, msg := range validation.IsValidPercent(intOrPercent.StrVal) {
allErrs = append(allErrs, field.Invalid(fldPath, intOrPercent, msg))
}
case intstr.Int:
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(intOrPercent.IntValue()), fldPath)...)
default:
allErrs = append(allErrs, field.Invalid(fldPath, intOrPercent, "must be an integer or percentage (e.g '5%%')"))
}
return allErrs
}
func getPercentValue(intOrStringValue intstr.IntOrString) (int, bool) {
if intOrStringValue.Type != intstr.String {
return 0, false
}
if len(validation.IsValidPercent(intOrStringValue.StrVal)) != 0 {
return 0, false
}
value, _ := strconv.Atoi(intOrStringValue.StrVal[:len(intOrStringValue.StrVal)-1])
return value, true
}
func getIntOrPercentValue(intOrStringValue intstr.IntOrString) int {
value, isPercent := getPercentValue(intOrStringValue)
if isPercent {
return value
}
return intOrStringValue.IntValue()
}
func IsNotMoreThan100Percent(intOrStringValue intstr.IntOrString, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
value, isPercent := getPercentValue(intOrStringValue)
if !isPercent || value <= 100 {
return nil
}
allErrs = append(allErrs, field.Invalid(fldPath, intOrStringValue, "must not be greater than 100%"))
return allErrs
}
func ValidateRollingUpdateDeployment(rollingUpdate *extensions.RollingUpdateDeployment, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxUnavailable, fldPath.Child("maxUnavailable"))...)
allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxSurge, fldPath.Child("maxSurge"))...)
if getIntOrPercentValue(rollingUpdate.MaxUnavailable) == 0 && getIntOrPercentValue(rollingUpdate.MaxSurge) == 0 {
// Both MaxSurge and MaxUnavailable cannot be zero.
allErrs = append(allErrs, field.Invalid(fldPath.Child("maxUnavailable"), rollingUpdate.MaxUnavailable, "may not be 0 when `maxSurge` is 0"))
}
// Validate that MaxUnavailable is not more than 100%.
allErrs = append(allErrs, IsNotMoreThan100Percent(rollingUpdate.MaxUnavailable, fldPath.Child("maxUnavailable"))...)
return allErrs
}
func ValidateDeploymentStrategy(strategy *extensions.DeploymentStrategy, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
switch strategy.Type {
case extensions.RecreateDeploymentStrategyType:
if strategy.RollingUpdate != nil {
allErrs = append(allErrs, field.Forbidden(fldPath.Child("rollingUpdate"), "may not be specified when strategy `type` is '"+string(extensions.RecreateDeploymentStrategyType+"'")))
}
case extensions.RollingUpdateDeploymentStrategyType:
// This should never happen since it's set and checked in defaults.go
if strategy.RollingUpdate == nil {
allErrs = append(allErrs, field.Required(fldPath.Child("rollingUpdate"), "this should be defaulted and never be nil"))
} else {
allErrs = append(allErrs, ValidateRollingUpdateDeployment(strategy.RollingUpdate, fldPath.Child("rollingUpdate"))...)
}
default:
validValues := []string{string(extensions.RecreateDeploymentStrategyType), string(extensions.RollingUpdateDeploymentStrategyType)}
allErrs = append(allErrs, field.NotSupported(fldPath, strategy, validValues))
}
return allErrs
}
func ValidateRollback(rollback *extensions.RollbackConfig, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
v := rollback.Revision
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(v), fldPath.Child("version"))...)
return allErrs
}
// Validates given deployment spec.
func ValidateDeploymentSpec(spec *extensions.DeploymentSpec, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.Replicas), fldPath.Child("replicas"))...)
if spec.Selector == nil {
allErrs = append(allErrs, field.Required(fldPath.Child("selector"), ""))
} else {
allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(spec.Selector, fldPath.Child("selector"))...)
if len(spec.Selector.MatchLabels)+len(spec.Selector.MatchExpressions) == 0 {
allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "empty selector is invalid for deployment"))
}
}
selector, err := metav1.LabelSelectorAsSelector(spec.Selector)
if err != nil {
allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "invalid label selector"))
} else {
allErrs = append(allErrs, ValidatePodTemplateSpecForReplicaSet(&spec.Template, selector, spec.Replicas, fldPath.Child("template"))...)
}
allErrs = append(allErrs, ValidateDeploymentStrategy(&spec.Strategy, fldPath.Child("strategy"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.MinReadySeconds), fldPath.Child("minReadySeconds"))...)
if spec.RevisionHistoryLimit != nil {
// zero is a valid RevisionHistoryLimit
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*spec.RevisionHistoryLimit), fldPath.Child("revisionHistoryLimit"))...)
}
if spec.RollbackTo != nil {
allErrs = append(allErrs, ValidateRollback(spec.RollbackTo, fldPath.Child("rollback"))...)
}
if spec.ProgressDeadlineSeconds != nil {
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*spec.ProgressDeadlineSeconds), fldPath.Child("progressDeadlineSeconds"))...)
if *spec.ProgressDeadlineSeconds <= spec.MinReadySeconds {
allErrs = append(allErrs, field.Invalid(fldPath.Child("progressDeadlineSeconds"), spec.ProgressDeadlineSeconds, "must be greater than minReadySeconds"))
}
}
return allErrs
}
// Validates given deployment status.
func ValidateDeploymentStatus(status *extensions.DeploymentStatus, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(status.ObservedGeneration, fldPath.Child("observedGeneration"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.Replicas), fldPath.Child("replicas"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.UpdatedReplicas), fldPath.Child("updatedReplicas"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.ReadyReplicas), fldPath.Child("readyReplicas"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.AvailableReplicas), fldPath.Child("availableReplicas"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.UnavailableReplicas), fldPath.Child("unavailableReplicas"))...)
if status.CollisionCount != nil {
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*status.CollisionCount), fldPath.Child("collisionCount"))...)
}
msg := "cannot be greater than status.replicas"
if status.UpdatedReplicas > status.Replicas {
allErrs = append(allErrs, field.Invalid(fldPath.Child("updatedReplicas"), status.UpdatedReplicas, msg))
}
if status.ReadyReplicas > status.Replicas {
allErrs = append(allErrs, field.Invalid(fldPath.Child("readyReplicas"), status.ReadyReplicas, msg))
}
if status.AvailableReplicas > status.Replicas {
allErrs = append(allErrs, field.Invalid(fldPath.Child("availableReplicas"), status.AvailableReplicas, msg))
}
if status.AvailableReplicas > status.ReadyReplicas {
allErrs = append(allErrs, field.Invalid(fldPath.Child("availableReplicas"), status.AvailableReplicas, "cannot be greater than readyReplicas"))
}
return allErrs
}
func ValidateDeploymentUpdate(update, old *extensions.Deployment) field.ErrorList {
allErrs := apivalidation.ValidateObjectMetaUpdate(&update.ObjectMeta, &old.ObjectMeta, field.NewPath("metadata"))
allErrs = append(allErrs, ValidateDeploymentSpec(&update.Spec, field.NewPath("spec"))...)
return allErrs
}
func ValidateDeploymentStatusUpdate(update, old *extensions.Deployment) field.ErrorList {
allErrs := apivalidation.ValidateObjectMetaUpdate(&update.ObjectMeta, &old.ObjectMeta, field.NewPath("metadata"))
fldPath := field.NewPath("status")
allErrs = append(allErrs, ValidateDeploymentStatus(&update.Status, fldPath)...)
if apivalidation.IsDecremented(update.Status.CollisionCount, old.Status.CollisionCount) {
value := int32(0)
if update.Status.CollisionCount != nil {
value = *update.Status.CollisionCount
}
allErrs = append(allErrs, field.Invalid(fldPath.Child("collisionCount"), value, "cannot be decremented"))
}
return allErrs
}
func ValidateDeployment(obj *extensions.Deployment) field.ErrorList {
allErrs := apivalidation.ValidateObjectMeta(&obj.ObjectMeta, true, ValidateDeploymentName, field.NewPath("metadata"))
allErrs = append(allErrs, ValidateDeploymentSpec(&obj.Spec, field.NewPath("spec"))...)
return allErrs
}
func ValidateDeploymentRollback(obj *extensions.DeploymentRollback) field.ErrorList {
allErrs := apivalidation.ValidateAnnotations(obj.UpdatedAnnotations, field.NewPath("updatedAnnotations"))
if len(obj.Name) == 0 {
allErrs = append(allErrs, field.Required(field.NewPath("name"), "name is required"))
}
allErrs = append(allErrs, ValidateRollback(&obj.RollbackTo, field.NewPath("rollback"))...)
return allErrs
}
// ValidateIngress tests if required fields in the Ingress are set. // ValidateIngress tests if required fields in the Ingress are set.
func ValidateIngress(ingress *extensions.Ingress) field.ErrorList { func ValidateIngress(ingress *extensions.Ingress) field.ErrorList {
allErrs := apivalidation.ValidateObjectMeta(&ingress.ObjectMeta, true, ValidateIngressName, field.NewPath("metadata")) allErrs := apivalidation.ValidateObjectMeta(&ingress.ObjectMeta, true, ValidateIngressName, field.NewPath("metadata"))
@ -502,108 +170,3 @@ func validateIngressBackend(backend *extensions.IngressBackend, fldPath *field.P
allErrs = append(allErrs, apivalidation.ValidatePortNumOrName(backend.ServicePort, fldPath.Child("servicePort"))...) allErrs = append(allErrs, apivalidation.ValidatePortNumOrName(backend.ServicePort, fldPath.Child("servicePort"))...)
return allErrs return allErrs
} }
// ValidateReplicaSetName can be used to check whether the given ReplicaSet
// name is valid.
// Prefix indicates this name will be used as part of generation, in which case
// trailing dashes are allowed.
var ValidateReplicaSetName = apimachineryvalidation.NameIsDNSSubdomain
// ValidateReplicaSet tests if required fields in the ReplicaSet are set.
func ValidateReplicaSet(rs *extensions.ReplicaSet) field.ErrorList {
allErrs := apivalidation.ValidateObjectMeta(&rs.ObjectMeta, true, ValidateReplicaSetName, field.NewPath("metadata"))
allErrs = append(allErrs, ValidateReplicaSetSpec(&rs.Spec, field.NewPath("spec"))...)
return allErrs
}
// ValidateReplicaSetUpdate tests if required fields in the ReplicaSet are set.
func ValidateReplicaSetUpdate(rs, oldRs *extensions.ReplicaSet) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&rs.ObjectMeta, &oldRs.ObjectMeta, field.NewPath("metadata"))...)
allErrs = append(allErrs, ValidateReplicaSetSpec(&rs.Spec, field.NewPath("spec"))...)
return allErrs
}
// ValidateReplicaSetStatusUpdate tests if required fields in the ReplicaSet are set.
func ValidateReplicaSetStatusUpdate(rs, oldRs *extensions.ReplicaSet) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&rs.ObjectMeta, &oldRs.ObjectMeta, field.NewPath("metadata"))...)
allErrs = append(allErrs, ValidateReplicaSetStatus(rs.Status, field.NewPath("status"))...)
return allErrs
}
func ValidateReplicaSetStatus(status extensions.ReplicaSetStatus, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.Replicas), fldPath.Child("replicas"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.FullyLabeledReplicas), fldPath.Child("fullyLabeledReplicas"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.ReadyReplicas), fldPath.Child("readyReplicas"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.AvailableReplicas), fldPath.Child("availableReplicas"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.ObservedGeneration), fldPath.Child("observedGeneration"))...)
msg := "cannot be greater than status.replicas"
if status.FullyLabeledReplicas > status.Replicas {
allErrs = append(allErrs, field.Invalid(fldPath.Child("fullyLabeledReplicas"), status.FullyLabeledReplicas, msg))
}
if status.ReadyReplicas > status.Replicas {
allErrs = append(allErrs, field.Invalid(fldPath.Child("readyReplicas"), status.ReadyReplicas, msg))
}
if status.AvailableReplicas > status.Replicas {
allErrs = append(allErrs, field.Invalid(fldPath.Child("availableReplicas"), status.AvailableReplicas, msg))
}
if status.AvailableReplicas > status.ReadyReplicas {
allErrs = append(allErrs, field.Invalid(fldPath.Child("availableReplicas"), status.AvailableReplicas, "cannot be greater than readyReplicas"))
}
return allErrs
}
// ValidateReplicaSetSpec tests if required fields in the ReplicaSet spec are set.
func ValidateReplicaSetSpec(spec *extensions.ReplicaSetSpec, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.Replicas), fldPath.Child("replicas"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.MinReadySeconds), fldPath.Child("minReadySeconds"))...)
if spec.Selector == nil {
allErrs = append(allErrs, field.Required(fldPath.Child("selector"), ""))
} else {
allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(spec.Selector, fldPath.Child("selector"))...)
if len(spec.Selector.MatchLabels)+len(spec.Selector.MatchExpressions) == 0 {
allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "empty selector is invalid for deployment"))
}
}
selector, err := metav1.LabelSelectorAsSelector(spec.Selector)
if err != nil {
allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "invalid label selector"))
} else {
allErrs = append(allErrs, ValidatePodTemplateSpecForReplicaSet(&spec.Template, selector, spec.Replicas, fldPath.Child("template"))...)
}
return allErrs
}
// Validates the given template and ensures that it is in accordance with the desired selector and replicas.
func ValidatePodTemplateSpecForReplicaSet(template *api.PodTemplateSpec, selector labels.Selector, replicas int32, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
if template == nil {
allErrs = append(allErrs, field.Required(fldPath, ""))
} else {
if !selector.Empty() {
// Verify that the ReplicaSet selector matches the labels in template.
labels := labels.Set(template.Labels)
if !selector.Matches(labels) {
allErrs = append(allErrs, field.Invalid(fldPath.Child("metadata", "labels"), template.Labels, "`selector` does not match template `labels`"))
}
}
allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpec(template, fldPath)...)
if replicas > 1 {
allErrs = append(allErrs, apivalidation.ValidateReadOnlyPersistentDisks(template.Spec.Volumes, fldPath.Child("spec", "volumes"))...)
}
// RestartPolicy has already been first-order validated as per ValidatePodTemplateSpec().
if template.Spec.RestartPolicy != api.RestartPolicyAlways {
allErrs = append(allErrs, field.NotSupported(fldPath.Child("spec", "restartPolicy"), template.Spec.RestartPolicy, []string{string(api.RestartPolicyAlways)}))
}
if template.Spec.ActiveDeadlineSeconds != nil {
allErrs = append(allErrs, field.Invalid(fldPath.Child("spec", "activeDeadlineSeconds"), template.Spec.ActiveDeadlineSeconds, "must not be specified"))
}
}
return allErrs
}

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