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91 lines
2.1 KiB
91 lines
2.1 KiB
// +build !norunit
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package collector
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import (
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"github.com/golang/glog"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/soundcloud/go-runit/runit"
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)
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type runitCollector struct {
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config Config
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state, stateDesired, stateNormal *prometheus.GaugeVec
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}
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func init() {
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Factories["runit"] = NewRunitCollector
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}
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func NewRunitCollector(config Config) (Collector, error) {
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var (
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subsystem = "service"
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constLabels = prometheus.Labels{"supervisor": "runit"}
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labelNames = []string{"service"}
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)
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return &runitCollector{
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config: config,
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state: prometheus.NewGaugeVec(
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prometheus.GaugeOpts{
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Namespace: Namespace,
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Subsystem: subsystem,
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Name: "state",
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Help: "state of runit service.",
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ConstLabels: constLabels,
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},
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labelNames,
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),
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stateDesired: prometheus.NewGaugeVec(
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prometheus.GaugeOpts{
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Namespace: Namespace,
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Subsystem: subsystem,
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Name: "desired_state",
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Help: "desired state of runit service.",
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ConstLabels: constLabels,
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},
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labelNames,
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),
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stateNormal: prometheus.NewGaugeVec(
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prometheus.GaugeOpts{
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Namespace: Namespace,
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Subsystem: subsystem,
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Name: "normal_state",
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Help: "normal state of runit service.",
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ConstLabels: constLabels,
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},
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labelNames,
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),
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}, nil
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}
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func (c *runitCollector) Update(ch chan<- prometheus.Metric) error {
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services, err := runit.GetServices("/etc/service")
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if err != nil {
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return err
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}
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for _, service := range services {
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status, err := service.Status()
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if err != nil {
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glog.V(1).Infof("Couldn't get status for %s: %s, skipping...", service.Name, err)
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continue
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}
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glog.V(1).Infof("%s is %d on pid %d for %d seconds", service.Name, status.State, status.Pid, status.Duration)
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c.state.WithLabelValues(service.Name).Set(float64(status.State))
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c.stateDesired.WithLabelValues(service.Name).Set(float64(status.Want))
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if status.NormallyUp {
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c.stateNormal.WithLabelValues(service.Name).Set(1)
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} else {
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c.stateNormal.WithLabelValues(service.Name).Set(0)
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}
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}
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c.state.Collect(ch)
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c.stateDesired.Collect(ch)
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c.stateNormal.Collect(ch)
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return nil
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}
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