63 lines
1.9 KiB
Go
63 lines
1.9 KiB
Go
/*
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Copyright 2017 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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"k8s.io/apimachinery/pkg/util/validation/field"
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"k8s.io/apiserver/pkg/apis/audit"
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)
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func ValidatePolicy(policy *audit.Policy) field.ErrorList {
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var allErrs field.ErrorList
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rulePath := field.NewPath("rules")
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for i, rule := range policy.Rules {
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allErrs = append(allErrs, validatePolicyRule(rule, rulePath.Index(i))...)
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}
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return allErrs
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}
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func validatePolicyRule(rule audit.PolicyRule, fldPath *field.Path) field.ErrorList {
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var allErrs field.ErrorList
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allErrs = append(allErrs, validateLevel(rule.Level, fldPath.Child("level"))...)
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if len(rule.NonResourceURLs) > 0 {
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if len(rule.Resources) > 0 || len(rule.Namespaces) > 0 {
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allErrs = append(allErrs, field.Invalid(fldPath.Child("nonResourceURLs"), rule.NonResourceURLs, "rules cannot apply to both regular resources and non-resource URLs"))
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}
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}
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return allErrs
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}
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var validLevels = []string{
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string(audit.LevelNone),
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string(audit.LevelMetadata),
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string(audit.LevelRequest),
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string(audit.LevelRequestResponse),
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}
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func validateLevel(level audit.Level, fldPath *field.Path) field.ErrorList {
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switch level {
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case audit.LevelNone, audit.LevelMetadata, audit.LevelRequest, audit.LevelRequestResponse:
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return nil
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case "":
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return field.ErrorList{field.Required(fldPath, "")}
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default:
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return field.ErrorList{field.NotSupported(fldPath, level, validLevels)}
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}
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}
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