Merge pull request #2 from prometheus/feature/runit-exporter
Add runit exporter
This commit is contained in:
commit
4c2a270174
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@ -80,12 +80,17 @@ func New(configFile string) (e exporter, err error) {
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log.Fatalf("Couldn't attach collector: %s", err)
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}
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cr, err := NewRunitCollector(e.config, e.registry)
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if err != nil {
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log.Fatalf("Couldn't attach collector: %s", err)
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}
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cg, err := NewGmondCollector(e.config, e.registry)
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if err != nil {
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log.Fatalf("Couldn't attach collector: %s", err)
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}
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e.collectors = []Collector{&cn, &cg}
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e.collectors = []Collector{&cn, &cr, &cg}
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if e.config.ListeningAddress != "" {
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e.listeningAddress = e.config.ListeningAddress
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@ -0,0 +1,79 @@
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package exporter
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import (
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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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name string
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config config
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state prometheus.Gauge
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stateDesired prometheus.Gauge
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stateNormal prometheus.Gauge
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}
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func NewRunitCollector(config config, registry prometheus.Registry) (runitCollector, error) {
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c := runitCollector{
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name: "runit_collector",
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config: config,
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state: prometheus.NewGauge(),
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stateDesired: prometheus.NewGauge(),
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stateNormal: prometheus.NewGauge(),
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}
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registry.Register(
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"node_service_state",
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"node_exporter: state of runit service.",
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prometheus.NilLabels,
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c.state,
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)
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registry.Register(
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"node_service_desired_state",
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"node_exporter: desired status of runit service.",
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prometheus.NilLabels,
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c.stateDesired,
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)
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registry.Register(
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"node_service_normal_state",
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"node_exporter: status of runit service.",
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prometheus.NilLabels,
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c.stateNormal,
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)
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return c, nil
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}
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func (c *runitCollector) Name() string { return c.name }
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func (c *runitCollector) Update() (updates int, err error) {
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services, err := runit.GetServices()
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if err != nil {
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return 0, 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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return 0, err
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}
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debug(c.Name(), "%s is %d on pid %d for %d seconds", service.Name, status.State, status.Pid, status.Duration)
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labels := map[string]string{
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"service": service.Name,
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}
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c.state.Set(labels, float64(status.State))
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c.stateDesired.Set(labels, float64(status.Want))
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if status.NormallyUp {
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c.stateNormal.Set(labels, 1)
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} else {
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c.stateNormal.Set(labels, 1)
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}
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updates += 3
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}
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return updates, err
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}
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