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collector.go
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/
collector.go
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package cron
import (
"time"
"github.com/open-falcon/agent/funcs"
"github.com/open-falcon/agent/g"
"github.com/open-falcon/common/model"
)
func InitDataHistory() {
for {
funcs.UpdateCpuStat()
funcs.UpdateDiskStats()
time.Sleep(g.COLLECT_INTERVAL)
}
}
func Collect() {
if !g.Config().Transfer.Enabled {
return
}
if len(g.Config().Transfer.Addrs) == 0 {
return
}
for _, v := range funcs.Mappers {
go collect(int64(v.Interval), v.Fs)
}
}
func collect(sec int64, fns []func() []*model.MetricValue) {
t := time.NewTicker(time.Second * time.Duration(sec)).C
for {
<-t
hostname, err := g.Hostname()
if err != nil {
continue
}
mvs := []*model.MetricValue{}
ignoreMetrics := g.Config().IgnoreMetrics
for _, fn := range fns {
items := fn()
if items == nil {
continue
}
if len(items) == 0 {
continue
}
for _, mv := range items {
if b, ok := ignoreMetrics[mv.Metric]; ok && b {
continue
} else {
mvs = append(mvs, mv)
}
}
}
now := time.Now().Unix()
for j := 0; j < len(mvs); j++ {
mvs[j].Step = sec
mvs[j].Endpoint = hostname
mvs[j].Timestamp = now
}
g.SendToTransfer(mvs)
}
}