// circonusRegistry returns a provider that reports to Circonus.
func circonusRegistry(prefix string,
circKey string,
circApp string,
circURL string,
circBrokerID string,
circCheckID string,
interval time.Duration) (Registry, error) {
var initError error
once.Do(func() {
if circKey == "" {
initError = errors.New("metrics: Circonus API token key")
return
}
if circApp == "" {
circApp = serviceName
}
host, err := os.Hostname()
if err != nil {
initError = fmt.Errorf("metrics: unable to initialize Circonus %s", err)
return
}
cfg := &cgm.Config{}
cfg.CheckManager.API.TokenKey = circKey
cfg.CheckManager.API.TokenApp = circApp
cfg.CheckManager.API.URL = circURL
cfg.CheckManager.Check.ID = circCheckID
cfg.CheckManager.Broker.ID = circBrokerID
cfg.Interval = fmt.Sprintf("%.0fs", interval.Seconds())
cfg.CheckManager.Check.InstanceID = host
cfg.CheckManager.Check.DisplayName = fmt.Sprintf("%s /%s", host, serviceName)
cfg.CheckManager.Check.SearchTag = fmt.Sprintf("service:%s", serviceName)
metrics, err := cgm.NewCirconusMetrics(cfg)
if err != nil {
initError = fmt.Errorf("metrics: unable to initialize Circonus %s", err)
return
}
circonus = &cgmRegistry{metrics, prefix}
metrics.Start()
log.Print("[INFO] Sending metrics to Circonus")
})
return circonus, initError
}
// NewCirconusSink - create new metric sink for circonus
//
// one of the following must be supplied:
// - API Token - search for an existing check or create a new check
// - API Token + Check Id - the check identified by check id will be used
// - API Token + Check Submission URL - the check identified by the submission url will be used
// - Check Submission URL - the check identified by the submission url will be used
// metric management will be *disabled*
//
// Note: If submission url is supplied w/o an api token, the public circonus ca cert will be used
// to verify the broker for metrics submission.
func NewCirconusSink(cc *Config) (*CirconusSink, error) {
cfg := cgm.Config{}
if cc != nil {
cfg = cgm.Config(*cc)
}
metrics, err := cgm.NewCirconusMetrics(&cfg)
if err != nil {
return nil, err
}
return &CirconusSink{
metrics: metrics,
}, nil
}