forked from openshift/deadmanssnitch-operator
/
localmetrics.go
66 lines (54 loc) · 2.09 KB
/
localmetrics.go
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// Copyright 2019 RedHat
//
// 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 localmetrics
import (
"net/http"
"time"
dms "github.com/openshift/deadmanssnitch-operator/pkg/controller/deadmanssnitch"
"github.com/prometheus/client_golang/prometheus"
)
var (
MetricDeadMansSnitchHeartbeat = prometheus.NewGaugeVec(prometheus.GaugeOpts{
Name: "metricDeadMansSnitchHeartbeat",
Help: "Metric for heartbeating the Dead Man's Snitch api",
}, []string{"name"})
MetricsList = []prometheus.Collector{
MetricDeadMansSnitchHeartbeat,
}
)
// UpdateMetrics updates all the metrics ever 5 minutes
func UpdateMetrics() {
d := time.Tick(5 * time.Minute)
for range d {
UpdateMetricDeadMansSnitchHeartbeatGauge()
}
}
// UpdateMetricDeadMansSnitchHeartbeatGauge curls the DMS API, updates the gauge to 1 when successful.
func UpdateMetricDeadMansSnitchHeartbeatGauge() {
req, err := http.NewRequest("GET", "https://api.deadmanssnitch.com/v1/snitches", nil)
if err != nil {
MetricDeadMansSnitchHeartbeat.With(prometheus.Labels{"name": "deadmanssnitch-operator"}).Set(float64(0))
}
req.SetBasicAuth(dms.DeadMansSnitchAPISecretName, "")
resp, err := http.DefaultClient.Do(req)
if err != nil {
MetricDeadMansSnitchHeartbeat.With(prometheus.Labels{"name": "deadmanssnitch-operator"}).Set(float64(0))
}
defer resp.Body.Close()
if resp.StatusCode >= 200 && resp.StatusCode <= 299 {
MetricDeadMansSnitchHeartbeat.With(prometheus.Labels{"name": "deadmanssnitch-operator"}).Set(float64(1))
} else {
MetricDeadMansSnitchHeartbeat.With(prometheus.Labels{"name": "deadmanssnitch-operator"}).Set(float64(0))
}
}