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68 lines
1.9 KiB
Go
68 lines
1.9 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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//This is a utility for prometheus pushing functionality.
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package e2e
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import (
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"fmt"
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"github.com/prometheus/client_golang/prometheus"
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)
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// Prometheus stuff: Setup metrics.
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var runningMetric = prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "e2e_running",
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Help: "The num of running pods",
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})
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var pendingMetric = prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "e2e_pending",
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Help: "The num of pending pods",
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})
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// Turn this to true after we register.
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var prom_registered = false
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// Reusable function for pushing metrics to prometheus. Handles initialization and so on.
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func promPushRunningPending(running, pending int) error {
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if testContext.PrometheusPushGateway == "" {
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return nil
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} else {
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// Register metrics if necessary
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if !prom_registered && testContext.PrometheusPushGateway != "" {
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prometheus.Register(runningMetric)
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prometheus.Register(pendingMetric)
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prom_registered = true
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}
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// Update metric values
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runningMetric.Set(float64(running))
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pendingMetric.Set(float64(pending))
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// Push them to the push gateway. This will be scraped by prometheus
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// provided you launch it with the pushgateway as an endpoint.
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if err := prometheus.Push(
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"e2e",
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"none",
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testContext.PrometheusPushGateway, //i.e. "127.0.0.1:9091"
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); err != nil {
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fmt.Println("failed at pushing to pushgateway ", err)
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return err
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}
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}
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return nil
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}
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