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// Copyright 2016 The Prometheus Authors
// 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 config
import (
"fmt"
"strings"
)
func checkOverflow(m map[string]interface{}, ctx string) error {
if len(m) > 0 {
var keys []string
for k := range m {
keys = append(keys, k)
}
return fmt.Errorf("unknown fields in %s: %s", ctx, strings.Join(keys, ", "))
}
return nil
}
// Secret special type for storing secrets.
type Secret string
// MarshalYAML implements the yaml.Marshaler interface for Secrets.
func (s Secret) MarshalYAML() (interface{}, error) {
if s != "" {
return "<secret>", nil
}
return nil, nil
}
//UnmarshalYAML implements the yaml.Unmarshaler interface for Secrets.
func (s *Secret) UnmarshalYAML(unmarshal func(interface{}) error) error {
type plain Secret
return unmarshal((*plain)(s))
}
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