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validation.go
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validation.go
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// Copyright (c) 2020 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package validation
import (
"github.com/gardener/gardener/pkg/controllermanager/apis/config"
metav1validation "k8s.io/apimachinery/pkg/apis/meta/v1/validation"
"k8s.io/apimachinery/pkg/util/validation/field"
)
// ValidateControllerManagerConfiguration validates the given `ControllerManagerConfiguration`.
func ValidateControllerManagerConfiguration(conf *config.ControllerManagerConfiguration) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, validateControllerManagerControllerConfiguration(conf.Controllers, field.NewPath("controllers"))...)
return allErrs
}
func validateControllerManagerControllerConfiguration(conf config.ControllerManagerControllerConfiguration, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
projectFldPath := fldPath.Child("project")
if conf.Project != nil {
allErrs = append(allErrs, validateProjectControllerConfiguration(conf.Project, projectFldPath)...)
}
return allErrs
}
func validateProjectControllerConfiguration(conf *config.ProjectControllerConfiguration, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
for i, quotaConfig := range conf.Quotas {
allErrs = append(allErrs, validateProjectQuotaConfiguration(quotaConfig, fldPath.Child("quotas").Index(i))...)
}
return allErrs
}
func validateProjectQuotaConfiguration(conf config.QuotaConfiguration, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, metav1validation.ValidateLabelSelector(conf.ProjectSelector, fldPath.Child("projectSelector"))...)
if conf.Config == nil {
allErrs = append(allErrs, field.Required(fldPath.Child("config"), "must provide a quota config"))
}
return allErrs
}