File: config.go

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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.

// This package no longer handles safe yaml parsing. In order to
// ensure correct yaml unmarshalling, use "yaml.UnmarshalStrict()".

package config

// 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))
}