/
registry.go
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/
registry.go
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// Copyright © 2019 The Things Network Foundation, The Things Industries B.V.
//
// 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 metrics
import (
"net/http"
ocprom "contrib.go.opencensus.io/exporter/prometheus"
"github.com/prometheus/client_golang/prometheus"
"go.opencensus.io/stats/view"
)
var registry = prometheus.NewRegistry()
var exporter, _ = ocprom.NewExporter(ocprom.Options{
Registry: registry,
})
// Exporter for the metrics registry.
var Exporter http.Handler = exporter
// Registry for metrics.
var Registry prometheus.Registerer = registry
func init() {
registry.MustRegister(prometheus.NewProcessCollector(prometheus.ProcessCollectorOpts{}))
registry.MustRegister(prometheus.NewGoCollector())
registry.MustRegister(ttnInfo)
view.RegisterExporter(exporter)
}
// Register registers the given Collector in the registry.
func Register(c prometheus.Collector) error {
return registry.Register(c)
}
// MustRegister registers the given Collectors in the registry and panics on errors.
func MustRegister(cs ...prometheus.Collector) {
registry.MustRegister(cs...)
}
// Unregister the given Collector from the Prometheus registry.
func Unregister(c prometheus.Collector) bool {
return registry.Unregister(c)
}