mirror of
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608 lines
28 KiB
Go
608 lines
28 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors 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 validation
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import (
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"fmt"
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"net"
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"regexp"
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"strconv"
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"strings"
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"k8s.io/kubernetes/pkg/api"
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apivalidation "k8s.io/kubernetes/pkg/api/validation"
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"k8s.io/kubernetes/pkg/apis/extensions"
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"k8s.io/kubernetes/pkg/labels"
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"k8s.io/kubernetes/pkg/util/intstr"
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"k8s.io/kubernetes/pkg/util/sets"
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"k8s.io/kubernetes/pkg/util/validation"
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)
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// ValidateHorizontalPodAutoscaler can be used to check whether the given autoscaler name is valid.
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// Prefix indicates this name will be used as part of generation, in which case trailing dashes are allowed.
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func ValidateHorizontalPodAutoscalerName(name string, prefix bool) (bool, string) {
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// TODO: finally move it to pkg/api/validation and use nameIsDNSSubdomain function
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return apivalidation.ValidateReplicationControllerName(name, prefix)
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}
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func validateHorizontalPodAutoscalerSpec(autoscaler extensions.HorizontalPodAutoscalerSpec) validation.ErrorList {
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allErrs := validation.ErrorList{}
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if autoscaler.MinReplicas != nil && *autoscaler.MinReplicas < 1 {
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allErrs = append(allErrs, validation.NewFieldInvalid("minReplicas", autoscaler.MinReplicas, `must be bigger or equal to 1`))
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}
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if autoscaler.MaxReplicas < 1 {
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allErrs = append(allErrs, validation.NewFieldInvalid("maxReplicas", autoscaler.MaxReplicas, `must be bigger or equal to 1`))
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}
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if autoscaler.MinReplicas != nil && autoscaler.MaxReplicas < *autoscaler.MinReplicas {
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allErrs = append(allErrs, validation.NewFieldInvalid("maxReplicas", autoscaler.MaxReplicas, `must be bigger or equal to minReplicas`))
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}
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if autoscaler.CPUUtilization != nil && autoscaler.CPUUtilization.TargetPercentage < 1 {
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allErrs = append(allErrs, validation.NewFieldInvalid("cpuUtilization.targetPercentage", autoscaler.CPUUtilization.TargetPercentage, `must be bigger or equal to 1`))
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}
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if refErrs := ValidateSubresourceReference(autoscaler.ScaleRef); len(refErrs) > 0 {
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allErrs = append(allErrs, refErrs.Prefix("scaleRef")...)
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} else if autoscaler.ScaleRef.Subresource != "scale" {
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allErrs = append(allErrs, validation.NewFieldNotSupported("scaleRef.subresource", autoscaler.ScaleRef.Subresource, []string{"scale"}))
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}
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return allErrs
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}
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func ValidateSubresourceReference(ref extensions.SubresourceReference) validation.ErrorList {
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allErrs := validation.ErrorList{}
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if len(ref.Kind) == 0 {
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allErrs = append(allErrs, validation.NewFieldRequired("kind"))
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} else if ok, msg := apivalidation.IsValidPathSegmentName(ref.Kind); !ok {
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allErrs = append(allErrs, validation.NewFieldInvalid("kind", ref.Kind, msg))
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}
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if len(ref.Name) == 0 {
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allErrs = append(allErrs, validation.NewFieldRequired("name"))
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} else if ok, msg := apivalidation.IsValidPathSegmentName(ref.Name); !ok {
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allErrs = append(allErrs, validation.NewFieldInvalid("name", ref.Name, msg))
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}
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if len(ref.Subresource) == 0 {
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allErrs = append(allErrs, validation.NewFieldRequired("subresource"))
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} else if ok, msg := apivalidation.IsValidPathSegmentName(ref.Subresource); !ok {
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allErrs = append(allErrs, validation.NewFieldInvalid("subresource", ref.Subresource, msg))
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}
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return allErrs
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}
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func ValidateHorizontalPodAutoscaler(autoscaler *extensions.HorizontalPodAutoscaler) validation.ErrorList {
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allErrs := validation.ErrorList{}
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allErrs = append(allErrs, apivalidation.ValidateObjectMeta(&autoscaler.ObjectMeta, true, ValidateHorizontalPodAutoscalerName).Prefix("metadata")...)
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allErrs = append(allErrs, validateHorizontalPodAutoscalerSpec(autoscaler.Spec)...)
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return allErrs
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}
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func ValidateHorizontalPodAutoscalerUpdate(newAutoscler, oldAutoscaler *extensions.HorizontalPodAutoscaler) validation.ErrorList {
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allErrs := validation.ErrorList{}
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allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&newAutoscler.ObjectMeta, &oldAutoscaler.ObjectMeta).Prefix("metadata")...)
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allErrs = append(allErrs, validateHorizontalPodAutoscalerSpec(newAutoscler.Spec)...)
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return allErrs
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}
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func ValidateHorizontalPodAutoscalerStatusUpdate(controller, oldController *extensions.HorizontalPodAutoscaler) validation.ErrorList {
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allErrs := validation.ErrorList{}
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allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&controller.ObjectMeta, &oldController.ObjectMeta).Prefix("metadata")...)
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status := controller.Status
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allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(status.CurrentReplicas), "currentReplicas")...)
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allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(status.DesiredReplicas), "desiredReplicas")...)
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return allErrs
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}
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func ValidateThirdPartyResourceUpdate(update, old *extensions.ThirdPartyResource) validation.ErrorList {
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allErrs := validation.ErrorList{}
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allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&update.ObjectMeta, &old.ObjectMeta).Prefix("metadata")...)
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allErrs = append(allErrs, ValidateThirdPartyResource(update)...)
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return allErrs
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}
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func ValidateThirdPartyResourceName(name string, prefix bool) (bool, string) {
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return apivalidation.NameIsDNSSubdomain(name, prefix)
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}
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func ValidateThirdPartyResource(obj *extensions.ThirdPartyResource) validation.ErrorList {
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allErrs := validation.ErrorList{}
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allErrs = append(allErrs, apivalidation.ValidateObjectMeta(&obj.ObjectMeta, true, ValidateThirdPartyResourceName).Prefix("metadata")...)
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versions := sets.String{}
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for ix := range obj.Versions {
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version := &obj.Versions[ix]
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if len(version.Name) == 0 {
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allErrs = append(allErrs, validation.NewFieldInvalid("name", version, "name can not be empty"))
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}
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if versions.Has(version.Name) {
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allErrs = append(allErrs, validation.NewFieldDuplicate("version", version))
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}
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versions.Insert(version.Name)
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}
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return allErrs
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}
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// ValidateDaemonSet tests if required fields in the DaemonSet are set.
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func ValidateDaemonSet(controller *extensions.DaemonSet) validation.ErrorList {
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allErrs := validation.ErrorList{}
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allErrs = append(allErrs, apivalidation.ValidateObjectMeta(&controller.ObjectMeta, true, ValidateDaemonSetName).Prefix("metadata")...)
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allErrs = append(allErrs, ValidateDaemonSetSpec(&controller.Spec).Prefix("spec")...)
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return allErrs
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}
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// ValidateDaemonSetUpdate tests if required fields in the DaemonSet are set.
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func ValidateDaemonSetUpdate(controller, oldController *extensions.DaemonSet) validation.ErrorList {
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allErrs := validation.ErrorList{}
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allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&controller.ObjectMeta, &oldController.ObjectMeta).Prefix("metadata")...)
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allErrs = append(allErrs, ValidateDaemonSetSpec(&controller.Spec).Prefix("spec")...)
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allErrs = append(allErrs, ValidateDaemonSetTemplateUpdate(controller.Spec.Template, oldController.Spec.Template).Prefix("spec.template")...)
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return allErrs
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}
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// validateDaemonSetStatus validates a DaemonSetStatus
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func validateDaemonSetStatus(status *extensions.DaemonSetStatus) validation.ErrorList {
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allErrs := validation.ErrorList{}
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allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(status.CurrentNumberScheduled), "currentNumberScheduled")...)
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allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(status.NumberMisscheduled), "numberMisscheduled")...)
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allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(status.DesiredNumberScheduled), "desiredNumberScheduled")...)
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return allErrs
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}
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// ValidateDaemonSetStatus validates tests if required fields in the DaemonSet Status section
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func ValidateDaemonSetStatusUpdate(controller, oldController *extensions.DaemonSet) validation.ErrorList {
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allErrs := validation.ErrorList{}
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allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&controller.ObjectMeta, &oldController.ObjectMeta).Prefix("metadata")...)
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allErrs = append(allErrs, validateDaemonSetStatus(&controller.Status)...)
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return allErrs
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}
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// ValidateDaemonSetTemplateUpdate tests that certain fields in the daemon set's pod template are not updated.
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func ValidateDaemonSetTemplateUpdate(podTemplate, oldPodTemplate *api.PodTemplateSpec) validation.ErrorList {
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allErrs := validation.ErrorList{}
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podSpec := podTemplate.Spec
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// podTemplate.Spec is not a pointer, so we can modify NodeSelector and NodeName directly.
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podSpec.NodeSelector = oldPodTemplate.Spec.NodeSelector
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podSpec.NodeName = oldPodTemplate.Spec.NodeName
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// In particular, we do not allow updates to container images at this point.
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if !api.Semantic.DeepEqual(oldPodTemplate.Spec, podSpec) {
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// TODO: Pinpoint the specific field that causes the invalid error after we have strategic merge diff
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allErrs = append(allErrs, validation.NewFieldInvalid("spec", "content of spec is not printed out, please refer to the \"details\"", "may not update fields other than spec.nodeSelector"))
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}
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return allErrs
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}
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// ValidateDaemonSetSpec tests if required fields in the DaemonSetSpec are set.
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func ValidateDaemonSetSpec(spec *extensions.DaemonSetSpec) validation.ErrorList {
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allErrs := validation.ErrorList{}
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allErrs = append(allErrs, ValidatePodSelector(spec.Selector)...)
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if spec.Template == nil {
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allErrs = append(allErrs, validation.NewFieldRequired("template"))
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return allErrs
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}
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selector, err := extensions.PodSelectorAsSelector(spec.Selector)
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if err == nil && !selector.Matches(labels.Set(spec.Template.Labels)) {
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allErrs = append(allErrs, validation.NewFieldInvalid("template.metadata.labels", spec.Template.Labels, "selector does not match template"))
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}
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allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpec(spec.Template).Prefix("template")...)
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// Daemons typically run on more than one node, so mark Read-Write persistent disks as invalid.
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allErrs = append(allErrs, apivalidation.ValidateReadOnlyPersistentDisks(spec.Template.Spec.Volumes).Prefix("template.spec.volumes")...)
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// RestartPolicy has already been first-order validated as per ValidatePodTemplateSpec().
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if spec.Template.Spec.RestartPolicy != api.RestartPolicyAlways {
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allErrs = append(allErrs, validation.NewFieldNotSupported("template.spec.restartPolicy", spec.Template.Spec.RestartPolicy, []string{string(api.RestartPolicyAlways)}))
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}
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return allErrs
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}
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// ValidateDaemonSetName can be used to check whether the given daemon set name is valid.
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// Prefix indicates this name will be used as part of generation, in which case
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// trailing dashes are allowed.
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func ValidateDaemonSetName(name string, prefix bool) (bool, string) {
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return apivalidation.NameIsDNSSubdomain(name, prefix)
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}
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// Validates that the given name can be used as a deployment name.
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func ValidateDeploymentName(name string, prefix bool) (bool, string) {
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return apivalidation.NameIsDNSSubdomain(name, prefix)
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}
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func ValidatePositiveIntOrPercent(intOrPercent intstr.IntOrString, fieldName string) validation.ErrorList {
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allErrs := validation.ErrorList{}
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if intOrPercent.Type == intstr.String {
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if !validation.IsValidPercent(intOrPercent.StrVal) {
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allErrs = append(allErrs, validation.NewFieldInvalid(fieldName, intOrPercent, "value should be int(5) or percentage(5%)"))
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}
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} else if intOrPercent.Type == intstr.Int {
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allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(intOrPercent.IntVal), fieldName)...)
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}
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return allErrs
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}
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func getPercentValue(intOrStringValue intstr.IntOrString) (int, bool) {
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if intOrStringValue.Type != intstr.String || !validation.IsValidPercent(intOrStringValue.StrVal) {
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return 0, false
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}
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value, _ := strconv.Atoi(intOrStringValue.StrVal[:len(intOrStringValue.StrVal)-1])
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return value, true
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}
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func getIntOrPercentValue(intOrStringValue intstr.IntOrString) int {
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value, isPercent := getPercentValue(intOrStringValue)
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if isPercent {
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return value
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}
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return intOrStringValue.IntVal
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}
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func IsNotMoreThan100Percent(intOrStringValue intstr.IntOrString, fieldName string) validation.ErrorList {
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allErrs := validation.ErrorList{}
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value, isPercent := getPercentValue(intOrStringValue)
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if !isPercent || value <= 100 {
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return nil
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}
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allErrs = append(allErrs, validation.NewFieldInvalid(fieldName, intOrStringValue, "should not be more than 100%"))
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return allErrs
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}
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func ValidateRollingUpdateDeployment(rollingUpdate *extensions.RollingUpdateDeployment, fieldName string) validation.ErrorList {
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allErrs := validation.ErrorList{}
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allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxUnavailable, fieldName+"maxUnavailable")...)
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allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxSurge, fieldName+".maxSurge")...)
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if getIntOrPercentValue(rollingUpdate.MaxUnavailable) == 0 && getIntOrPercentValue(rollingUpdate.MaxSurge) == 0 {
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// Both MaxSurge and MaxUnavailable cannot be zero.
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allErrs = append(allErrs, validation.NewFieldInvalid(fieldName+".maxUnavailable", rollingUpdate.MaxUnavailable, "cannot be 0 when maxSurge is 0 as well"))
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}
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// Validate that MaxUnavailable is not more than 100%.
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allErrs = append(allErrs, IsNotMoreThan100Percent(rollingUpdate.MaxUnavailable, fieldName+".maxUnavailable")...)
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allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(rollingUpdate.MinReadySeconds), fieldName+".minReadySeconds")...)
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return allErrs
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}
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func ValidateDeploymentStrategy(strategy *extensions.DeploymentStrategy, fieldName string) validation.ErrorList {
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allErrs := validation.ErrorList{}
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if strategy.RollingUpdate == nil {
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return allErrs
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}
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switch strategy.Type {
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case extensions.RecreateDeploymentStrategyType:
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allErrs = append(allErrs, validation.NewFieldForbidden("rollingUpdate", "rollingUpdate should be nil when strategy type is "+extensions.RecreateDeploymentStrategyType))
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case extensions.RollingUpdateDeploymentStrategyType:
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allErrs = append(allErrs, ValidateRollingUpdateDeployment(strategy.RollingUpdate, "rollingUpdate")...)
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}
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return allErrs
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}
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// Validates given deployment spec.
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func ValidateDeploymentSpec(spec *extensions.DeploymentSpec) validation.ErrorList {
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allErrs := validation.ErrorList{}
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allErrs = append(allErrs, apivalidation.ValidateNonEmptySelector(spec.Selector, "selector")...)
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allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(spec.Replicas), "replicas")...)
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allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpecForRC(&spec.Template, spec.Selector, spec.Replicas, "template")...)
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allErrs = append(allErrs, ValidateDeploymentStrategy(&spec.Strategy, "strategy")...)
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allErrs = append(allErrs, apivalidation.ValidateLabelName(spec.UniqueLabelKey, "uniqueLabel")...)
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return allErrs
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}
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func ValidateDeploymentUpdate(update, old *extensions.Deployment) validation.ErrorList {
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allErrs := validation.ErrorList{}
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allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&update.ObjectMeta, &old.ObjectMeta).Prefix("metadata")...)
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allErrs = append(allErrs, ValidateDeploymentSpec(&update.Spec).Prefix("spec")...)
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return allErrs
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}
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func ValidateDeployment(obj *extensions.Deployment) validation.ErrorList {
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allErrs := validation.ErrorList{}
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allErrs = append(allErrs, apivalidation.ValidateObjectMeta(&obj.ObjectMeta, true, ValidateDeploymentName).Prefix("metadata")...)
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allErrs = append(allErrs, ValidateDeploymentSpec(&obj.Spec).Prefix("spec")...)
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return allErrs
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}
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func ValidateThirdPartyResourceDataUpdate(update, old *extensions.ThirdPartyResourceData) validation.ErrorList {
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return ValidateThirdPartyResourceData(update)
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}
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func ValidateThirdPartyResourceData(obj *extensions.ThirdPartyResourceData) validation.ErrorList {
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allErrs := validation.ErrorList{}
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if len(obj.Name) == 0 {
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allErrs = append(allErrs, validation.NewFieldInvalid("name", obj.Name, "name must be non-empty"))
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}
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return allErrs
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}
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func ValidateJob(job *extensions.Job) validation.ErrorList {
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allErrs := validation.ErrorList{}
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// Jobs and rcs have the same name validation
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allErrs = append(allErrs, apivalidation.ValidateObjectMeta(&job.ObjectMeta, true, apivalidation.ValidateReplicationControllerName).Prefix("metadata")...)
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allErrs = append(allErrs, ValidateJobSpec(&job.Spec).Prefix("spec")...)
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return allErrs
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}
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func ValidateJobSpec(spec *extensions.JobSpec) validation.ErrorList {
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allErrs := validation.ErrorList{}
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if spec.Parallelism != nil {
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allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(*spec.Parallelism), "parallelism")...)
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}
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if spec.Completions != nil {
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allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(*spec.Completions), "completions")...)
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}
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if spec.Selector == nil {
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allErrs = append(allErrs, validation.NewFieldRequired("selector"))
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} else {
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allErrs = append(allErrs, ValidatePodSelector(spec.Selector).Prefix("selector")...)
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}
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if selector, err := extensions.PodSelectorAsSelector(spec.Selector); err == nil {
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labels := labels.Set(spec.Template.Labels)
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if !selector.Matches(labels) {
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allErrs = append(allErrs, validation.NewFieldInvalid("template.metadata.labels", spec.Template.Labels, "selector does not match template"))
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}
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}
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allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpec(&spec.Template).Prefix("template")...)
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if spec.Template.Spec.RestartPolicy != api.RestartPolicyOnFailure &&
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spec.Template.Spec.RestartPolicy != api.RestartPolicyNever {
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allErrs = append(allErrs, validation.NewFieldNotSupported("template.spec.restartPolicy",
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spec.Template.Spec.RestartPolicy, []string{string(api.RestartPolicyOnFailure), string(api.RestartPolicyNever)}))
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}
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return allErrs
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}
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func ValidateJobStatus(status *extensions.JobStatus) validation.ErrorList {
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allErrs := validation.ErrorList{}
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allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(status.Active), "active")...)
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allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(status.Succeeded), "succeeded")...)
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allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(status.Failed), "failed")...)
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return allErrs
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}
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func ValidateJobUpdate(job, oldJob *extensions.Job) validation.ErrorList {
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allErrs := validation.ErrorList{}
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allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&oldJob.ObjectMeta, &job.ObjectMeta).Prefix("metadata")...)
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allErrs = append(allErrs, ValidateJobSpecUpdate(job.Spec, oldJob.Spec).Prefix("spec")...)
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return allErrs
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}
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func ValidateJobUpdateStatus(job, oldJob *extensions.Job) validation.ErrorList {
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allErrs := validation.ErrorList{}
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allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&oldJob.ObjectMeta, &job.ObjectMeta).Prefix("metadata")...)
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allErrs = append(allErrs, ValidateJobStatusUpdate(job.Status, oldJob.Status).Prefix("status")...)
|
|
return allErrs
|
|
}
|
|
|
|
func ValidateJobSpecUpdate(spec, oldSpec extensions.JobSpec) validation.ErrorList {
|
|
allErrs := validation.ErrorList{}
|
|
allErrs = append(allErrs, ValidateJobSpec(&spec)...)
|
|
allErrs = append(allErrs, apivalidation.ValidateImmutableField(spec.Completions, oldSpec.Completions, "completions")...)
|
|
allErrs = append(allErrs, apivalidation.ValidateImmutableField(spec.Selector, oldSpec.Selector, "selector")...)
|
|
allErrs = append(allErrs, apivalidation.ValidateImmutableField(spec.Template, oldSpec.Template, "template")...)
|
|
return allErrs
|
|
}
|
|
|
|
func ValidateJobStatusUpdate(status, oldStatus extensions.JobStatus) validation.ErrorList {
|
|
allErrs := validation.ErrorList{}
|
|
allErrs = append(allErrs, ValidateJobStatus(&status)...)
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateIngress tests if required fields in the Ingress are set.
|
|
func ValidateIngress(ingress *extensions.Ingress) validation.ErrorList {
|
|
allErrs := validation.ErrorList{}
|
|
allErrs = append(allErrs, apivalidation.ValidateObjectMeta(&ingress.ObjectMeta, true, ValidateIngressName).Prefix("metadata")...)
|
|
allErrs = append(allErrs, ValidateIngressSpec(&ingress.Spec).Prefix("spec")...)
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateIngressName validates that the given name can be used as an Ingress name.
|
|
func ValidateIngressName(name string, prefix bool) (bool, string) {
|
|
return apivalidation.NameIsDNSSubdomain(name, prefix)
|
|
}
|
|
|
|
// ValidateIngressSpec tests if required fields in the IngressSpec are set.
|
|
func ValidateIngressSpec(spec *extensions.IngressSpec) validation.ErrorList {
|
|
allErrs := validation.ErrorList{}
|
|
// TODO: Is a default backend mandatory?
|
|
if spec.Backend != nil {
|
|
allErrs = append(allErrs, validateIngressBackend(spec.Backend).Prefix("backend")...)
|
|
} else if len(spec.Rules) == 0 {
|
|
allErrs = append(allErrs, validation.NewFieldInvalid("rules", spec.Rules, "Either a default backend or a set of host rules are required for ingress."))
|
|
}
|
|
if len(spec.Rules) > 0 {
|
|
allErrs = append(allErrs, validateIngressRules(spec.Rules).Prefix("rules")...)
|
|
}
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateIngressUpdate tests if required fields in the Ingress are set.
|
|
func ValidateIngressUpdate(ingress, oldIngress *extensions.Ingress) validation.ErrorList {
|
|
allErrs := validation.ErrorList{}
|
|
allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&ingress.ObjectMeta, &oldIngress.ObjectMeta).Prefix("metadata")...)
|
|
allErrs = append(allErrs, ValidateIngressSpec(&ingress.Spec).Prefix("spec")...)
|
|
return allErrs
|
|
}
|
|
|
|
// ValidateIngressStatusUpdate tests if required fields in the Ingress are set when updating status.
|
|
func ValidateIngressStatusUpdate(ingress, oldIngress *extensions.Ingress) validation.ErrorList {
|
|
allErrs := validation.ErrorList{}
|
|
allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&ingress.ObjectMeta, &oldIngress.ObjectMeta).Prefix("metadata")...)
|
|
allErrs = append(allErrs, apivalidation.ValidateLoadBalancerStatus(&ingress.Status.LoadBalancer).Prefix("status.loadBalancer")...)
|
|
return allErrs
|
|
}
|
|
|
|
func validateIngressRules(IngressRules []extensions.IngressRule) validation.ErrorList {
|
|
allErrs := validation.ErrorList{}
|
|
if len(IngressRules) == 0 {
|
|
return append(allErrs, validation.NewFieldRequired("IngressRules"))
|
|
}
|
|
for _, ih := range IngressRules {
|
|
if len(ih.Host) > 0 {
|
|
// TODO: Ports and ips are allowed in the host part of a url
|
|
// according to RFC 3986, consider allowing them.
|
|
if valid, errMsg := apivalidation.NameIsDNSSubdomain(ih.Host, false); !valid {
|
|
allErrs = append(allErrs, validation.NewFieldInvalid("host", ih.Host, errMsg))
|
|
}
|
|
if isIP := (net.ParseIP(ih.Host) != nil); isIP {
|
|
allErrs = append(allErrs, validation.NewFieldInvalid("host", ih.Host, "Host must be a DNS name, not ip address"))
|
|
}
|
|
}
|
|
allErrs = append(allErrs, validateIngressRuleValue(&ih.IngressRuleValue).Prefix("ingressRule")...)
|
|
}
|
|
return allErrs
|
|
}
|
|
|
|
func validateIngressRuleValue(ingressRule *extensions.IngressRuleValue) validation.ErrorList {
|
|
allErrs := validation.ErrorList{}
|
|
if ingressRule.HTTP != nil {
|
|
allErrs = append(allErrs, validateHTTPIngressRuleValue(ingressRule.HTTP).Prefix("http")...)
|
|
}
|
|
return allErrs
|
|
}
|
|
|
|
func validateHTTPIngressRuleValue(httpIngressRuleValue *extensions.HTTPIngressRuleValue) validation.ErrorList {
|
|
allErrs := validation.ErrorList{}
|
|
if len(httpIngressRuleValue.Paths) == 0 {
|
|
allErrs = append(allErrs, validation.NewFieldRequired("paths"))
|
|
}
|
|
for _, rule := range httpIngressRuleValue.Paths {
|
|
if len(rule.Path) > 0 {
|
|
if !strings.HasPrefix(rule.Path, "/") {
|
|
allErrs = append(allErrs, validation.NewFieldInvalid("path", rule.Path, "path must begin with /"))
|
|
}
|
|
// TODO: More draconian path regex validation.
|
|
// Path must be a valid regex. This is the basic requirement.
|
|
// In addition to this any characters not allowed in a path per
|
|
// RFC 3986 section-3.3 cannot appear as a literal in the regex.
|
|
// Consider the example: http://host/valid?#bar, everything after
|
|
// the last '/' is a valid regex that matches valid#bar, which
|
|
// isn't a valid path, because the path terminates at the first ?
|
|
// or #. A more sophisticated form of validation would detect that
|
|
// the user is confusing url regexes with path regexes.
|
|
_, err := regexp.CompilePOSIX(rule.Path)
|
|
if err != nil {
|
|
allErrs = append(allErrs, validation.NewFieldInvalid("path", rule.Path, "httpIngressRuleValue.path must be a valid regex."))
|
|
}
|
|
}
|
|
allErrs = append(allErrs, validateIngressBackend(&rule.Backend).Prefix("backend")...)
|
|
}
|
|
return allErrs
|
|
}
|
|
|
|
// validateIngressBackend tests if a given backend is valid.
|
|
func validateIngressBackend(backend *extensions.IngressBackend) validation.ErrorList {
|
|
allErrs := validation.ErrorList{}
|
|
|
|
// All backends must reference a single local service by name, and a single service port by name or number.
|
|
if len(backend.ServiceName) == 0 {
|
|
return append(allErrs, validation.NewFieldRequired("serviceName"))
|
|
} else if ok, errMsg := apivalidation.ValidateServiceName(backend.ServiceName, false); !ok {
|
|
allErrs = append(allErrs, validation.NewFieldInvalid("serviceName", backend.ServiceName, errMsg))
|
|
}
|
|
if backend.ServicePort.Type == intstr.String {
|
|
if !validation.IsDNS1123Label(backend.ServicePort.StrVal) {
|
|
allErrs = append(allErrs, validation.NewFieldInvalid("servicePort", backend.ServicePort.StrVal, apivalidation.DNS1123LabelErrorMsg))
|
|
}
|
|
if !validation.IsValidPortName(backend.ServicePort.StrVal) {
|
|
allErrs = append(allErrs, validation.NewFieldInvalid("servicePort", backend.ServicePort.StrVal, apivalidation.PortNameErrorMsg))
|
|
}
|
|
} else if !validation.IsValidPortNum(backend.ServicePort.IntVal) {
|
|
allErrs = append(allErrs, validation.NewFieldInvalid("servicePort", backend.ServicePort, apivalidation.PortRangeErrorMsg))
|
|
}
|
|
return allErrs
|
|
}
|
|
|
|
func validateClusterAutoscalerSpec(spec extensions.ClusterAutoscalerSpec) validation.ErrorList {
|
|
allErrs := validation.ErrorList{}
|
|
if spec.MinNodes < 0 {
|
|
allErrs = append(allErrs, validation.NewFieldInvalid("minNodes", spec.MinNodes, `must be non-negative`))
|
|
}
|
|
if spec.MaxNodes < spec.MinNodes {
|
|
allErrs = append(allErrs, validation.NewFieldInvalid("maxNodes", spec.MaxNodes, `must be bigger or equal to minNodes`))
|
|
}
|
|
if len(spec.TargetUtilization) == 0 {
|
|
allErrs = append(allErrs, validation.NewFieldRequired("targetUtilization"))
|
|
}
|
|
for _, target := range spec.TargetUtilization {
|
|
if len(target.Resource) == 0 {
|
|
allErrs = append(allErrs, validation.NewFieldRequired("targetUtilization.resource"))
|
|
}
|
|
if target.Value <= 0 {
|
|
allErrs = append(allErrs, validation.NewFieldInvalid("targetUtilization.value", target.Value, "must be greater than 0"))
|
|
}
|
|
if target.Value > 1 {
|
|
allErrs = append(allErrs, validation.NewFieldInvalid("targetUtilization.value", target.Value, "must be less or equal 1"))
|
|
}
|
|
}
|
|
return allErrs
|
|
}
|
|
|
|
func ValidateClusterAutoscaler(autoscaler *extensions.ClusterAutoscaler) validation.ErrorList {
|
|
allErrs := validation.ErrorList{}
|
|
if autoscaler.Name != "ClusterAutoscaler" {
|
|
allErrs = append(allErrs, validation.NewFieldInvalid("name", autoscaler.Name, `name must be ClusterAutoscaler`))
|
|
}
|
|
if autoscaler.Namespace != api.NamespaceDefault {
|
|
allErrs = append(allErrs, validation.NewFieldInvalid("namespace", autoscaler.Namespace, `namespace must be default`))
|
|
}
|
|
allErrs = append(allErrs, validateClusterAutoscalerSpec(autoscaler.Spec)...)
|
|
return allErrs
|
|
}
|
|
|
|
func ValidatePodSelector(ps *extensions.PodSelector) validation.ErrorList {
|
|
allErrs := validation.ErrorList{}
|
|
if ps == nil {
|
|
return allErrs
|
|
}
|
|
allErrs = append(allErrs, apivalidation.ValidateLabels(ps.MatchLabels, "matchLabels")...)
|
|
for i, expr := range ps.MatchExpressions {
|
|
allErrs = append(allErrs, ValidatePodSelectorRequirement(expr).Prefix(fmt.Sprintf("matchExpressions.[%v]", i))...)
|
|
}
|
|
return allErrs
|
|
}
|
|
|
|
func ValidatePodSelectorRequirement(sr extensions.PodSelectorRequirement) validation.ErrorList {
|
|
allErrs := validation.ErrorList{}
|
|
switch sr.Operator {
|
|
case extensions.PodSelectorOpIn, extensions.PodSelectorOpNotIn:
|
|
if len(sr.Values) == 0 {
|
|
allErrs = append(allErrs, validation.NewFieldInvalid("values", sr.Values, "must be non-empty when operator is In or NotIn"))
|
|
}
|
|
case extensions.PodSelectorOpExists, extensions.PodSelectorOpDoesNotExist:
|
|
if len(sr.Values) > 0 {
|
|
allErrs = append(allErrs, validation.NewFieldInvalid("values", sr.Values, "must be empty when operator is Exists or DoesNotExist"))
|
|
}
|
|
default:
|
|
allErrs = append(allErrs, validation.NewFieldInvalid("operator", sr.Operator, "not a valid pod selector operator"))
|
|
}
|
|
allErrs = append(allErrs, apivalidation.ValidateLabelName(sr.Key, "key")...)
|
|
return allErrs
|
|
}
|
|
|
|
func ValidateScale(scale *extensions.Scale) validation.ErrorList {
|
|
allErrs := validation.ErrorList{}
|
|
allErrs = append(allErrs, apivalidation.ValidateObjectMeta(&scale.ObjectMeta, true, apivalidation.NameIsDNSSubdomain).Prefix("metadata")...)
|
|
|
|
if scale.Spec.Replicas < 0 {
|
|
allErrs = append(allErrs, validation.NewFieldInvalid("spec.replicas", scale.Spec.Replicas, "must be non-negative"))
|
|
}
|
|
|
|
return allErrs
|
|
}
|