mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
13b6c1e684
for i in github.com/BurntSushi/toml github.com/coreos/go-etcd/etcd github.com/coreos/go-log/log github.com/gorilla/context github.com/rcrowley/go-metrics bitbucket.org/kardianos/osext github.com/coreos/go-systemd/journal github.com/coreos/raft code.google.com/p/goprotobuf/proto ; do goven -copy -rewrite $i; done
101 lines
4.2 KiB
Go
101 lines
4.2 KiB
Go
package metrics
|
|
|
|
import (
|
|
"bufio"
|
|
"fmt"
|
|
"log"
|
|
"net"
|
|
"time"
|
|
)
|
|
|
|
// GraphiteConfig provides a container with configuration parameters for
|
|
// the Graphite exporter
|
|
type GraphiteConfig struct {
|
|
Addr *net.TCPAddr // Network address to connect to
|
|
Registry Registry // Registry to be exported
|
|
FlushInterval time.Duration // Flush interval
|
|
DurationUnit time.Duration // Time conversion unit for durations
|
|
Prefix string // Prefix to be prepended to metric names
|
|
}
|
|
|
|
// Graphite is a blocking exporter function which reports metrics in r
|
|
// to a graphite server located at addr, flushing them every d duration
|
|
// and prepending metric names with prefix.
|
|
func Graphite(r Registry, d time.Duration, prefix string, addr *net.TCPAddr) {
|
|
GraphiteWithConfig(GraphiteConfig{
|
|
Addr: addr,
|
|
Registry: r,
|
|
FlushInterval: d,
|
|
DurationUnit: time.Nanosecond,
|
|
Prefix: prefix,
|
|
})
|
|
}
|
|
|
|
// GraphiteWithConfig is a blocking exporter function just like Graphite,
|
|
// but it takes a GraphiteConfig instead.
|
|
func GraphiteWithConfig(c GraphiteConfig) {
|
|
for _ = range time.Tick(c.FlushInterval) {
|
|
if err := graphite(&c); nil != err {
|
|
log.Println(err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func graphite(c *GraphiteConfig) error {
|
|
now := time.Now().Unix()
|
|
du := float64(c.DurationUnit)
|
|
conn, err := net.DialTCP("tcp", nil, c.Addr)
|
|
if nil != err {
|
|
return err
|
|
}
|
|
defer conn.Close()
|
|
w := bufio.NewWriter(conn)
|
|
c.Registry.Each(func(name string, i interface{}) {
|
|
switch metric := i.(type) {
|
|
case Counter:
|
|
fmt.Fprintf(w, "%s.%s.count %d %d\n", c.Prefix, name, metric.Count(), now)
|
|
case Gauge:
|
|
fmt.Fprintf(w, "%s.%s.value %d %d\n", c.Prefix, name, metric.Value(), now)
|
|
case Histogram:
|
|
h := metric.Snapshot()
|
|
ps := h.Percentiles([]float64{0.5, 0.75, 0.95, 0.99, 0.999})
|
|
fmt.Fprintf(w, "%s.%s.count %d %d\n", c.Prefix, name, h.Count(), now)
|
|
fmt.Fprintf(w, "%s.%s.min %d %d\n", c.Prefix, name, h.Min(), now)
|
|
fmt.Fprintf(w, "%s.%s.max %d %d\n", c.Prefix, name, h.Max(), now)
|
|
fmt.Fprintf(w, "%s.%s.mean %.2f %d\n", c.Prefix, name, h.Mean(), now)
|
|
fmt.Fprintf(w, "%s.%s.std-dev %.2f %d\n", c.Prefix, name, h.StdDev(), now)
|
|
fmt.Fprintf(w, "%s.%s.50-percentile %.2f %d\n", c.Prefix, name, ps[0], now)
|
|
fmt.Fprintf(w, "%s.%s.75-percentile %.2f %d\n", c.Prefix, name, ps[1], now)
|
|
fmt.Fprintf(w, "%s.%s.95-percentile %.2f %d\n", c.Prefix, name, ps[2], now)
|
|
fmt.Fprintf(w, "%s.%s.99-percentile %.2f %d\n", c.Prefix, name, ps[3], now)
|
|
fmt.Fprintf(w, "%s.%s.999-percentile %.2f %d\n", c.Prefix, name, ps[4], now)
|
|
case Meter:
|
|
m := metric.Snapshot()
|
|
fmt.Fprintf(w, "%s.%s.count %d %d\n", c.Prefix, name, m.Count(), now)
|
|
fmt.Fprintf(w, "%s.%s.one-minute %.2f %d\n", c.Prefix, name, m.Rate1(), now)
|
|
fmt.Fprintf(w, "%s.%s.five-minute %.2f %d\n", c.Prefix, name, m.Rate5(), now)
|
|
fmt.Fprintf(w, "%s.%s.fifteen-minute %.2f %d\n", c.Prefix, name, m.Rate15(), now)
|
|
fmt.Fprintf(w, "%s.%s.mean %.2f %d\n", c.Prefix, name, m.RateMean(), now)
|
|
case Timer:
|
|
t := metric.Snapshot()
|
|
ps := t.Percentiles([]float64{0.5, 0.75, 0.95, 0.99, 0.999})
|
|
fmt.Fprintf(w, "%s.%s.count %d %d\n", c.Prefix, name, t.Count(), now)
|
|
fmt.Fprintf(w, "%s.%s.min %d %d\n", c.Prefix, name, int64(du)*t.Min(), now)
|
|
fmt.Fprintf(w, "%s.%s.max %d %d\n", c.Prefix, name, int64(du)*t.Max(), now)
|
|
fmt.Fprintf(w, "%s.%s.mean %.2f %d\n", c.Prefix, name, du*t.Mean(), now)
|
|
fmt.Fprintf(w, "%s.%s.std-dev %.2f %d\n", c.Prefix, name, du*t.StdDev(), now)
|
|
fmt.Fprintf(w, "%s.%s.50-percentile %.2f %d\n", c.Prefix, name, du*ps[0], now)
|
|
fmt.Fprintf(w, "%s.%s.75-percentile %.2f %d\n", c.Prefix, name, du*ps[1], now)
|
|
fmt.Fprintf(w, "%s.%s.95-percentile %.2f %d\n", c.Prefix, name, du*ps[2], now)
|
|
fmt.Fprintf(w, "%s.%s.99-percentile %.2f %d\n", c.Prefix, name, du*ps[3], now)
|
|
fmt.Fprintf(w, "%s.%s.999-percentile %.2f %d\n", c.Prefix, name, du*ps[4], now)
|
|
fmt.Fprintf(w, "%s.%s.one-minute %.2f %d\n", c.Prefix, name, t.Rate1(), now)
|
|
fmt.Fprintf(w, "%s.%s.five-minute %.2f %d\n", c.Prefix, name, t.Rate5(), now)
|
|
fmt.Fprintf(w, "%s.%s.fifteen-minute %.2f %d\n", c.Prefix, name, t.Rate15(), now)
|
|
fmt.Fprintf(w, "%s.%s.mean-rate %.2f %d\n", c.Prefix, name, t.RateMean(), now)
|
|
}
|
|
w.Flush()
|
|
})
|
|
return nil
|
|
}
|