mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-12-20 07:26:08 +01:00
113 lines
3.1 KiB
Go
113 lines
3.1 KiB
Go
// Copyright 2015 The Prometheus Authors
|
|
// 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.
|
|
|
|
// +build !norunit
|
|
|
|
package collector
|
|
|
|
import (
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
"github.com/prometheus/common/log"
|
|
"github.com/soundcloud/go-runit/runit"
|
|
)
|
|
|
|
type runitCollector struct {
|
|
state, stateDesired, stateNormal, stateTimestamp *prometheus.GaugeVec
|
|
}
|
|
|
|
func init() {
|
|
Factories["runit"] = NewRunitCollector
|
|
}
|
|
|
|
func NewRunitCollector() (Collector, error) {
|
|
var (
|
|
subsystem = "service"
|
|
constLabels = prometheus.Labels{"supervisor": "runit"}
|
|
labelNames = []string{"service"}
|
|
)
|
|
|
|
return &runitCollector{
|
|
state: prometheus.NewGaugeVec(
|
|
prometheus.GaugeOpts{
|
|
Namespace: Namespace,
|
|
Subsystem: subsystem,
|
|
Name: "state",
|
|
Help: "State of runit service.",
|
|
ConstLabels: constLabels,
|
|
},
|
|
labelNames,
|
|
),
|
|
stateDesired: prometheus.NewGaugeVec(
|
|
prometheus.GaugeOpts{
|
|
Namespace: Namespace,
|
|
Subsystem: subsystem,
|
|
Name: "desired_state",
|
|
Help: "Desired state of runit service.",
|
|
ConstLabels: constLabels,
|
|
},
|
|
labelNames,
|
|
),
|
|
stateNormal: prometheus.NewGaugeVec(
|
|
prometheus.GaugeOpts{
|
|
Namespace: Namespace,
|
|
Subsystem: subsystem,
|
|
Name: "normal_state",
|
|
Help: "Normal state of runit service.",
|
|
ConstLabels: constLabels,
|
|
},
|
|
labelNames,
|
|
),
|
|
stateTimestamp: prometheus.NewGaugeVec(
|
|
prometheus.GaugeOpts{
|
|
Namespace: Namespace,
|
|
Subsystem: subsystem,
|
|
Name: "state_last_change_timestamp_seconds",
|
|
Help: "Unix timestamp of the last runit service state change.",
|
|
ConstLabels: constLabels,
|
|
},
|
|
labelNames,
|
|
),
|
|
}, nil
|
|
}
|
|
|
|
func (c *runitCollector) Update(ch chan<- prometheus.Metric) error {
|
|
services, err := runit.GetServices("/etc/service")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
for _, service := range services {
|
|
status, err := service.Status()
|
|
if err != nil {
|
|
log.Debugf("Couldn't get status for %s: %s, skipping...", service.Name, err)
|
|
continue
|
|
}
|
|
|
|
log.Debugf("%s is %d on pid %d for %d seconds", service.Name, status.State, status.Pid, status.Duration)
|
|
c.state.WithLabelValues(service.Name).Set(float64(status.State))
|
|
c.stateDesired.WithLabelValues(service.Name).Set(float64(status.Want))
|
|
c.stateTimestamp.WithLabelValues(service.Name).Set(float64(status.Timestamp.Unix()))
|
|
if status.NormallyUp {
|
|
c.stateNormal.WithLabelValues(service.Name).Set(1)
|
|
} else {
|
|
c.stateNormal.WithLabelValues(service.Name).Set(0)
|
|
}
|
|
}
|
|
c.state.Collect(ch)
|
|
c.stateDesired.Collect(ch)
|
|
c.stateNormal.Collect(ch)
|
|
c.stateTimestamp.Collect(ch)
|
|
|
|
return nil
|
|
}
|