mirror of
https://github.com/arangodb/kube-arangodb.git
synced 2024-12-15 17:51:03 +00:00
88 lines
1.6 KiB
Go
88 lines
1.6 KiB
Go
//
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// DISCLAIMER
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//
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// Copyright 2016-2022 ArangoDB GmbH, Cologne, Germany
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//
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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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//
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// Copyright holder is ArangoDB GmbH, Cologne, Germany
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//
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package metrics
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import (
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"github.com/prometheus/client_golang/prometheus"
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dto "github.com/prometheus/client_model/go"
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)
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type Metric interface {
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prometheus.Metric
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}
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type Gauge interface {
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Metric
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}
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type Error interface {
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Metric
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}
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type errorRet struct {
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desc Description
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err error
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}
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func (e errorRet) Desc() *prometheus.Desc {
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return e.desc.Desc()
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}
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func (e errorRet) Write(metric *dto.Metric) error {
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return e.err
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}
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func newError(desc Description, value error) Error {
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return errorRet{
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desc: desc,
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err: value,
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}
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}
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func newGauge(desc Description, value float64, labels ...string) Gauge {
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return gauge{
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desc: desc,
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labels: labels,
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value: value,
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}
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}
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type gauge struct {
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desc Description
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labels []string
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value float64
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}
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func (g gauge) Desc() *prometheus.Desc {
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return g.desc.Desc()
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}
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func (g gauge) Write(metric *dto.Metric) error {
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metric.Label = g.desc.Labels(g.labels...)
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metric.Gauge = &dto.Gauge{
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Value: &g.value,
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}
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return nil
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}
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