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kafkauserspec_annotations.go
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kafkauserspec_annotations.go
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// Copyright © 2023 Cisco Systems, Inc. and/or its affiliates
//
// 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 v1alpha1
import (
"fmt"
"time"
"emperror.dev/errors"
"golang.org/x/exp/maps"
)
// annotationsWithValidations is a map whose keys are KafkaUserSpec annotation keys, and values are validators
type annotationsWithValidations map[string]annotationValidator
func (a annotationsWithValidations) validate(as map[string]string) error {
for key, value := range as {
validator, ok := a[key]
if !ok {
return a.getNotSupportedAnnotationError()
}
err := validator.validate(value)
if err != nil {
return err
}
}
return nil
}
func (a annotationsWithValidations) getNotSupportedAnnotationError() error {
return fmt.Errorf("kafkauser annotations contain a not supported annotation for the signer, supported annotations: %v", maps.Keys(a))
}
// annotationValidator is used to implement a single annotation validator
type annotationValidator interface {
validate(string) error
}
// newCertManagerSignerAnnotationsWithValidators returns annotationsWithValidations for cert-manager pki backend signer
func newCertManagerSignerAnnotationsWithValidators() annotationsWithValidations {
var c certManagerRequestDurationValidator
return annotationsWithValidations{
"experimental.cert-manager.io/request-duration": &c,
}
}
// certManagerRequestDurationValidator implements annotationValidator interface
type certManagerRequestDurationValidator func(string) error
func (c certManagerRequestDurationValidator) validate(a string) error {
_, err := time.ParseDuration(a)
if err != nil {
return errors.WrapIf(err, "could not parse certificate request duration")
}
return nil
}