Merge pull request #2 from prometheus/feature/runit-exporter

Add runit exporter
This commit is contained in:
Johannes 'fish' Ziemke 2013-07-29 00:57:38 -07:00
commit 4c2a270174
2 changed files with 85 additions and 1 deletions

View File

@ -80,12 +80,17 @@ func New(configFile string) (e exporter, err error) {
log.Fatalf("Couldn't attach collector: %s", err)
}
cr, err := NewRunitCollector(e.config, e.registry)
if err != nil {
log.Fatalf("Couldn't attach collector: %s", err)
}
cg, err := NewGmondCollector(e.config, e.registry)
if err != nil {
log.Fatalf("Couldn't attach collector: %s", err)
}
e.collectors = []Collector{&cn, &cg}
e.collectors = []Collector{&cn, &cr, &cg}
if e.config.ListeningAddress != "" {
e.listeningAddress = e.config.ListeningAddress

View File

@ -0,0 +1,79 @@
package exporter
import (
"github.com/prometheus/client_golang/prometheus"
"github.com/soundcloud/go-runit/runit"
)
type runitCollector struct {
name string
config config
state prometheus.Gauge
stateDesired prometheus.Gauge
stateNormal prometheus.Gauge
}
func NewRunitCollector(config config, registry prometheus.Registry) (runitCollector, error) {
c := runitCollector{
name: "runit_collector",
config: config,
state: prometheus.NewGauge(),
stateDesired: prometheus.NewGauge(),
stateNormal: prometheus.NewGauge(),
}
registry.Register(
"node_service_state",
"node_exporter: state of runit service.",
prometheus.NilLabels,
c.state,
)
registry.Register(
"node_service_desired_state",
"node_exporter: desired status of runit service.",
prometheus.NilLabels,
c.stateDesired,
)
registry.Register(
"node_service_normal_state",
"node_exporter: status of runit service.",
prometheus.NilLabels,
c.stateNormal,
)
return c, nil
}
func (c *runitCollector) Name() string { return c.name }
func (c *runitCollector) Update() (updates int, err error) {
services, err := runit.GetServices()
if err != nil {
return 0, err
}
for _, service := range services {
status, err := service.Status()
if err != nil {
return 0, err
}
debug(c.Name(), "%s is %d on pid %d for %d seconds", service.Name, status.State, status.Pid, status.Duration)
labels := map[string]string{
"service": service.Name,
}
c.state.Set(labels, float64(status.State))
c.stateDesired.Set(labels, float64(status.Want))
if status.NormallyUp {
c.stateNormal.Set(labels, 1)
} else {
c.stateNormal.Set(labels, 1)
}
updates += 3
}
return updates, err
}