forked from mirror/client_golang
41 lines
1.2 KiB
Go
41 lines
1.2 KiB
Go
// Copyright 2015 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 registry
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import "github.com/prometheus/client_golang/prometheus/metric"
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func MustRegister(r Registry, c metric.Collector) {
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if err := r.Register(c); err != nil {
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panic(err)
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}
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}
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func RegisterOrGet(r Registry, c metric.Collector) (metric.Collector, error) {
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if err := r.Register(c); err != nil {
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if are, ok := err.(AlreadyRegisteredError); ok {
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return are.ExistingCollector, nil
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}
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return nil, err
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}
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return c, nil
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}
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func MustRegisterOrGet(r Registry, c metric.Collector) metric.Collector {
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existing, err := RegisterOrGet(r, c)
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if err != nil {
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panic(err)
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}
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return existing
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}
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