func (m *Metrics) Gauge(metric string, value int64) {
if m.storeSnapshots {
m.Lock()
m.gauge[metric] = value
m.Unlock()
}
/*
*if m.logger.ShouldLog(DEBUG) {
* m.logger.Debug("metrics", "gauge."+metric,
* LogFields{"value": strconv.FormatInt(value, 10),
* "type": "gauge"})
*}
*/
if statsd := m.statsd; statsd != nil {
if value >= 0 {
statsd.Gauge(metric, value, 1.0)
return
}
// Gauges cannot be set to negative values; sign prefixes indicate deltas.
if err := statsd.Gauge(metric, 0, 1.0); err != nil {
return
}
statsd.GaugeDelta(metric, value, 1.0)
}
}
func (m *Metrics) Gauge(metric string, value int64) {
if m.storeSnapshots {
m.Lock()
m.gauge[metric] = value
m.Unlock()
}
if statsd := m.statsd; statsd != nil {
if value >= 0 {
statsd.Gauge(m.formatGauge(metric), value, 1.0)
return
}
// Gauges cannot be set to negative values; sign prefixes indicate deltas.
if err := statsd.Gauge(m.formatGauge(metric), 0, 1.0); err != nil {
return
}
statsd.GaugeDelta(m.formatGauge(metric), value, 1.0)
}
}
func main() {
flag.Parse()
// read our configuration
config := ReadConfig(configPath)
// connect to the database
db := DBInit(config.PG.ConnectionString)
defer db.con.Close()
// connect to statsd
statsd, err := statsd.New(config.ST.ConnectionString, config.ST.Prefix)
// handle any errors
if err != nil {
log.Fatal(err)
}
// make sure to clean up
defer statsd.Close()
err = statsd.Gauge("biggest_relation_bytes", db.GetBiggestRelation(), 1.0)
if err != nil {
log.Printf("Error sending metric: %+v", err)
}
/*
statementStats := db.GetStatementStats()
for _, s := range statementStats {
log.Printf("%#v", s)
}
sizeStats := db.GetSizeStats(50)
for _, s := range sizeStats {
log.Printf("%#v", s)
}
*/
}