mirror of https://github.com/k3s-io/k3s
70 lines
3.1 KiB
Go
70 lines
3.1 KiB
Go
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/*
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Copyright 2016 The Kubernetes Authors.
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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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apimachineryvalidation "k8s.io/apimachinery/pkg/api/validation"
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unversionedvalidation "k8s.io/apimachinery/pkg/apis/meta/v1/validation"
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"k8s.io/apimachinery/pkg/util/validation/field"
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apivalidation "k8s.io/kubernetes/pkg/apis/core/validation"
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"k8s.io/kubernetes/pkg/apis/settings"
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)
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// ValidatePodPresetName can be used to check whether the given PodPreset 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 ValidatePodPresetName(name string, prefix bool) []string {
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// TODO: Validate that there's name for the suffix inserted by the pods.
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// Currently this is just "-index". In the future we may allow a user
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// specified list of suffixes and we need to validate the longest one.
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return apimachineryvalidation.NameIsDNSSubdomain(name, prefix)
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}
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// ValidatePodPresetSpec tests if required fields in the PodPreset spec are set.
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func ValidatePodPresetSpec(spec *settings.PodPresetSpec, fldPath *field.Path) field.ErrorList {
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allErrs := field.ErrorList{}
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allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(&spec.Selector, fldPath.Child("selector"))...)
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if spec.Env == nil && spec.EnvFrom == nil && spec.VolumeMounts == nil && spec.Volumes == nil {
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allErrs = append(allErrs, field.Required(fldPath.Child("volumes", "env", "envFrom", "volumeMounts"), "must specify at least one"))
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}
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vols, vErrs := apivalidation.ValidateVolumes(spec.Volumes, fldPath.Child("volumes"))
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allErrs = append(allErrs, vErrs...)
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allErrs = append(allErrs, apivalidation.ValidateEnv(spec.Env, fldPath.Child("env"))...)
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allErrs = append(allErrs, apivalidation.ValidateEnvFrom(spec.EnvFrom, fldPath.Child("envFrom"))...)
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allErrs = append(allErrs, apivalidation.ValidateVolumeMounts(spec.VolumeMounts, nil, vols, nil, fldPath.Child("volumeMounts"))...)
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return allErrs
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}
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// ValidatePodPreset validates a PodPreset.
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func ValidatePodPreset(pip *settings.PodPreset) field.ErrorList {
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allErrs := apivalidation.ValidateObjectMeta(&pip.ObjectMeta, true, ValidatePodPresetName, field.NewPath("metadata"))
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allErrs = append(allErrs, ValidatePodPresetSpec(&pip.Spec, field.NewPath("spec"))...)
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return allErrs
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}
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// ValidatePodPresetUpdate tests if required fields in the PodPreset are set.
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func ValidatePodPresetUpdate(pip, oldPip *settings.PodPreset) field.ErrorList {
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allErrs := apivalidation.ValidateObjectMetaUpdate(&pip.ObjectMeta, &oldPip.ObjectMeta, field.NewPath("metadata"))
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allErrs = append(allErrs, ValidatePodPresetSpec(&pip.Spec, field.NewPath("spec"))...)
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return allErrs
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}
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