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validation.go
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validation.go
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// Copyright (c) 2019 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 (
"k8s.io/apimachinery/pkg/util/validation/field"
"github.com/gardener/gardener/pkg/logger"
schedulerapi "github.com/gardener/gardener/pkg/scheduler/apis/config"
"k8s.io/apimachinery/pkg/util/sets"
)
// ValidateConfiguration validates the configuration.
func ValidateConfiguration(config *schedulerapi.SchedulerConfiguration) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, validateStrategy(config.Schedulers.Shoot.Strategy, field.NewPath("schedulers", "shoot", "strategy"))...)
if config.LogLevel != "" {
if !sets.NewString(logger.AllLogLevels...).Has(config.LogLevel) {
allErrs = append(allErrs, field.NotSupported(field.NewPath("logLevel"), config.LogLevel, logger.AllLogLevels))
}
}
if config.LogFormat != "" {
if !sets.NewString(logger.AllLogFormats...).Has(config.LogFormat) {
allErrs = append(allErrs, field.NotSupported(field.NewPath("logFormat"), config.LogFormat, logger.AllLogFormats))
}
}
return allErrs
}
func validateStrategy(strategy schedulerapi.CandidateDeterminationStrategy, fldPath *field.Path) field.ErrorList {
var (
allErrs = field.ErrorList{}
supportedStrategies []string
)
for _, s := range schedulerapi.Strategies {
supportedStrategies = append(supportedStrategies, string(s))
if s == strategy {
return allErrs
}
}
allErrs = append(allErrs, field.NotSupported(fldPath, strategy, supportedStrategies))
return allErrs
}