48 lines
1.3 KiB
Go
48 lines
1.3 KiB
Go
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// Copyright 2016 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package config
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import (
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"fmt"
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"strings"
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)
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func checkOverflow(m map[string]interface{}, ctx string) error {
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if len(m) > 0 {
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var keys []string
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for k := range m {
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keys = append(keys, k)
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}
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return fmt.Errorf("unknown fields in %s: %s", ctx, strings.Join(keys, ", "))
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}
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return nil
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}
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// Secret special type for storing secrets.
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type Secret string
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// MarshalYAML implements the yaml.Marshaler interface for Secrets.
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func (s Secret) MarshalYAML() (interface{}, error) {
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if s != "" {
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return "<secret>", nil
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}
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return nil, nil
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}
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//UnmarshalYAML implements the yaml.Unmarshaler interface for Secrets.
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func (s *Secret) UnmarshalYAML(unmarshal func(interface{}) error) error {
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type plain Secret
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return unmarshal((*plain)(s))
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}
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