mirror of
https://github.com/prometheus/statsd_exporter.git
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42 lines
1.2 KiB
Go
42 lines
1.2 KiB
Go
// Copyright 2013 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 mapper
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import "fmt"
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type ObserverType string
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const (
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ObserverTypeHistogram ObserverType = "histogram"
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ObserverTypeSummary ObserverType = "summary"
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ObserverTypeDefault ObserverType = ""
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)
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func (t *ObserverType) UnmarshalYAML(unmarshal func(interface{}) error) error {
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var v string
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if err := unmarshal(&v); err != nil {
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return err
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}
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switch ObserverType(v) {
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case ObserverTypeHistogram:
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*t = ObserverTypeHistogram
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case ObserverTypeSummary, ObserverTypeDefault:
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*t = ObserverTypeSummary
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default:
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return fmt.Errorf("invalid observer type '%s'", v)
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}
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return nil
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}
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